#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for tcpdump 4.10.0-PRE-GIT.
+# Generated by GNU Autoconf 2.69 for tcpdump 4.99.4-PRE-GIT.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
# Identity of this package.
PACKAGE_NAME='tcpdump'
PACKAGE_TARNAME='tcpdump'
-PACKAGE_VERSION='4.10.0-PRE-GIT'
-PACKAGE_STRING='tcpdump 4.10.0-PRE-GIT'
+PACKAGE_VERSION='4.99.4-PRE-GIT'
+PACKAGE_STRING='tcpdump 4.99.4-PRE-GIT'
PACKAGE_BUGREPORT=''
PACKAGE_URL=''
AR
RANLIB
PCAP_CONFIG
+PKG_CONFIG
LIBOBJS
EGREP
GREP
with_user
with_chroot
with_sandbox_capsicum
-with_system_libpcap
+enable_local_libpcap
with_crypto
with_cap_ng
'
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
-\`configure' configures tcpdump 4.10.0-PRE-GIT to adapt to many kinds of systems.
+\`configure' configures tcpdump 4.99.4-PRE-GIT to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of tcpdump 4.10.0-PRE-GIT:";;
+ short | recursive ) echo "Configuration of tcpdump 4.99.4-PRE-GIT:";;
esac
cat <<\_ACEOF
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--disable-universal don't build universal on macOS
- --enable-smb enable possibly-buggy SMB printer default=yes
- --disable-smb disable possibly-buggy SMB printer
+ --enable-smb enable possibly-buggy SMB printer [default=no]
+ --disable-local-libpcap don't look for a local libpcap [default=check for a
+ local libpcap]
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--without-gcc don't use gcc
- --with-smi link with libsmi (allows to load MIBs on the fly to decode SNMP packets. default=yes
- --without-smi don't link with libsmi
+ --with-smi link with libsmi (allows to load MIBs on the fly to
+ decode SNMP packets) [default=yes, if available]
--with-user=USERNAME drop privileges by default to USERNAME
--with-chroot=DIRECTORY when dropping privileges, chroot to DIRECTORY
--with-sandbox-capsicum use Capsicum security functions [default=yes, if
available]
- --with-system-libpcap don't use local pcap library
--with-crypto[=DIR] use OpenSSL/libressl libcrypto (located in directory
DIR, if specified) [default=yes, if available]
--with-cap-ng use libcap-ng [default=yes, if available]
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
-tcpdump configure 4.10.0-PRE-GIT
+tcpdump configure 4.99.4-PRE-GIT
generated by GNU Autoconf 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
} # ac_fn_c_check_func
+# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
+# --------------------------------------------
+# Tries to find the compile-time value of EXPR in a program that includes
+# INCLUDES, setting VAR accordingly. Returns whether the value could be
+# computed
+ac_fn_c_compute_int ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ if test "$cross_compiling" = yes; then
+ # Depending upon the size, compute the lo and hi bounds.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= 0)];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_lo=0 ac_mid=0
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=$ac_mid; break
+else
+ as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+ if test $ac_lo -le $ac_mid; then
+ ac_lo= ac_hi=
+ break
+ fi
+ as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) < 0)];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=-1 ac_mid=-1
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_lo=$ac_mid; break
+else
+ as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+ if test $ac_mid -le $ac_hi; then
+ ac_lo= ac_hi=
+ break
+ fi
+ as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ ac_lo= ac_hi=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=$ac_mid
+else
+ as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in #((
+?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
+'') ac_retval=1 ;;
+esac
+ else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+static long int longval () { return $2; }
+static unsigned long int ulongval () { return $2; }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+ FILE *f = fopen ("conftest.val", "w");
+ if (! f)
+ return 1;
+ if (($2) < 0)
+ {
+ long int i = longval ();
+ if (i != ($2))
+ return 1;
+ fprintf (f, "%ld", i);
+ }
+ else
+ {
+ unsigned long int i = ulongval ();
+ if (i != ($2))
+ return 1;
+ fprintf (f, "%lu", i);
+ }
+ /* Do not output a trailing newline, as this causes \r\n confusion
+ on some platforms. */
+ return ferror (f) || fclose (f) != 0;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ echo >>conftest.val; read $3 <conftest.val; ac_retval=0
+else
+ ac_retval=1
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f conftest.val
+
+ fi
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ as_fn_set_status $ac_retval
+
+} # ac_fn_c_compute_int
+
# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
# ---------------------------------------------
# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-It was created by tcpdump $as_me 4.10.0-PRE-GIT, which was
+It was created by tcpdump $as_me 4.99.4-PRE-GIT, which was
generated by GNU Autoconf 2.69. Invocation command line was
$ $0 $@
export CC
fi
+#
+# Try to enable as many C99 features as we can.
+# At minimum, we want C++/C99-style // comments.
+#
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
fi
-
+if test "$ac_cv_prog_cc_c99" = "no"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The C compiler does not support C99; there may be compiler errors" >&5
+$as_echo "$as_me: WARNING: The C compiler does not support C99; there may be compiler errors" >&2;}
+fi
# -Werror forces warnings to be errors.
#
ac_lbl_cc_force_warning_errors=-Werror
-
- #
- # Use -ffloat-store so that, on 32-bit x86, we don't
- # do 80-bit arithmetic with the FPU; that way we should
- # get the same results for floating-point calculations
- # on x86-32 and x86-64.
- #
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -ffloat-store option" >&5
-$as_echo_n "checking whether the compiler supports the -ffloat-store option... " >&6; }
- save_CFLAGS="$CFLAGS"
- if expr "x-ffloat-store" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -ffloat-store"
- elif expr "x-ffloat-store" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -ffloat-store"
- elif expr "x-ffloat-store" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -ffloat-store"
- else
- CFLAGS="$CFLAGS -ffloat-store"
- fi
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
- CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -ffloat-store"
-
-else
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
- CFLAGS="$save_CFLAGS"
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
else
V_INCLS="$V_INCLS -I/usr/local/include"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
;;
osf*)
- #
+ #
# Presumed to be DEC OSF/1, Digital UNIX, or
# Tru64 UNIX.
#
if ${ac_cv_lbl_cc_const_proto+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/types.h>
int
done
-for ac_header in fcntl.h rpc/rpc.h rpc/rpcent.h
+for ac_header in fcntl.h rpc/rpc.h rpc/rpcent.h net/if.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
done
-for ac_header in net/pfvar.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "net/pfvar.h" "ac_cv_header_net_pfvar_h" "#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-"
-if test "x$ac_cv_header_net_pfvar_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NET_PFVAR_H 1
-_ACEOF
-
-fi
-
-done
-
-if test "$ac_cv_header_net_pfvar_h" = yes; then
- for ac_header in net/if_pflog.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "net/if_pflog.h" "ac_cv_header_net_if_pflog_h" "#include <sys/types.h>
- #include <sys/socket.h>
- #include <net/if.h>
- #include <net/pfvar.h>
-"
-if test "x$ac_cv_header_net_if_pflog_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NET_IF_PFLOG_H 1
-_ACEOF
-
-fi
-
-done
-
- if test "$ac_cv_header_net_if_pflog_h" = yes; then
- LOCALSRC="print-pflog.c $LOCALSRC"
- fi
-fi
-for ac_header in netinet/if_ether.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "netinet/if_ether.h" "ac_cv_header_netinet_if_ether_h" "#include <sys/types.h>
-#include <sys/socket.h>
-"
-if test "x$ac_cv_header_netinet_if_ether_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NETINET_IF_ETHER_H 1
-_ACEOF
-
-fi
-
-done
-
-if test "$ac_cv_header_netinet_if_ether_h" != yes; then
- #
- # The simple test didn't work.
- # Do we need to include <net/if.h> first?
- # Unset ac_cv_header_netinet_if_ether_h so we don't
- # treat the previous failure as a cached value and
- # suppress the next test.
- #
- { $as_echo "$as_me:${as_lineno-$LINENO}: Rechecking with some additional includes" >&5
-$as_echo "$as_me: Rechecking with some additional includes" >&6;}
- unset ac_cv_header_netinet_if_ether_h
- for ac_header in netinet/if_ether.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "netinet/if_ether.h" "ac_cv_header_netinet_if_ether_h" "#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-struct mbuf;
-struct rtentry;
-#include <net/if.h>
-"
-if test "x$ac_cv_header_netinet_if_ether_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NETINET_IF_ETHER_H 1
-_ACEOF
-
-fi
-
-done
-
-fi
case "$host_os" in
/* end confdefs.h. */
/* libsmi available check */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <smi.h>
-main()
+int main()
{
int current, revision, age, n;
const int required = 2;
if test "${enable_smb+set}" = set; then :
enableval=$enable_smb;
else
- enableval=yes
+ enableval=no
fi
case "$enableval" in
yes) { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The SMB printer may have exploitable buffer overflows!!!" >&5
-$as_echo "$as_me: WARNING: The SMB printer may have exploitable buffer overflows!!!" >&2;}
$as_echo "#define ENABLE_SMB 1" >>confdefs.h
# XXX - do we need to check for all of them, or are there some that, if
# present, imply others are present?
#
-if test ! -z "$with_sandbox-capsicum" && test "$with_sandbox-capsicum" != "no" ; then
- for ac_func in cap_enter cap_rights_limit cap_ioctls_limit openat
+if test -z "$with_sandbox_capsicum" || test "$with_sandbox_capsicum" != "no" ; then
+ #
+ # First, make sure we have the required header.
+ #
+ ac_fn_c_check_header_mongrel "$LINENO" "sys/capsicum.h" "ac_cv_header_sys_capsicum_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_capsicum_h" = xyes; then :
+
+ #
+ # We do; now make sure we have the required functions.
+ #
+ for ac_func in cap_enter cap_rights_limit cap_ioctls_limit openat
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
fi
done
+
+fi
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cap_init in -lcasper" >&5
$as_echo_n "checking for cap_init in -lcasper... " >&6; }
if ${ac_cv_lib_casper_cap_init+:} false; then :
/* end confdefs.h. */
+#include <string.h>
/* AF_INET6 available check */
#include <sys/types.h>
#ifdef _WIN32
fi
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dnet_htoa" >&5
-$as_echo_n "checking for library containing dnet_htoa... " >&6; }
-if ${ac_cv_search_dnet_htoa+:} false; then :
- $as_echo_n "(cached) " >&6
+ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
+if test "x$ac_cv_func_strlcat" = xyes; then :
+ $as_echo "#define HAVE_STRLCAT 1" >>confdefs.h
+
else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dnet_htoa ();
-int
-main ()
-{
-return dnet_htoa ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' dnet; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_search_dnet_htoa=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if ${ac_cv_search_dnet_htoa+:} false; then :
- break
-fi
-done
-if ${ac_cv_search_dnet_htoa+:} false; then :
-
-else
- ac_cv_search_dnet_htoa=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dnet_htoa" >&5
-$as_echo "$ac_cv_search_dnet_htoa" >&6; }
-ac_res=$ac_cv_search_dnet_htoa
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-
-$as_echo "#define HAVE_DNET_HTOA 1" >>confdefs.h
-
- #
- # OK, we have dnet_htoa(). Do we have netdnet/dnetdb.h?
- #
- for ac_header in netdnet/dnetdb.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "netdnet/dnetdb.h" "ac_cv_header_netdnet_dnetdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_netdnet_dnetdb_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NETDNET_DNETDB_H 1
-_ACEOF
-
-fi
-
-done
-
- if test "$ac_cv_header_netdnet_dnetdb_h" = "yes"; then
- #
- # Yes. Does it declare dnet_htoa()?
- #
- ac_fn_c_check_decl "$LINENO" "dnet_htoa" "ac_cv_have_decl_dnet_htoa" "
-$ac_includes_default
-#include <netdnet/dnetdb.h>
-
-"
-if test "x$ac_cv_have_decl_dnet_htoa" = xyes; then :
-
- # Yes.
-
-$as_echo "#define NETDNET_DNETDB_H_DECLARES_DNET_HTOA /**/" >>confdefs.h
-
-
-fi
-
- fi
-
- #
- # Do we have netdnet/dn.h?
- #
- for ac_header in netdnet/dn.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "netdnet/dn.h" "ac_cv_header_netdnet_dn_h" "$ac_includes_default"
-if test "x$ac_cv_header_netdnet_dn_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NETDNET_DN_H 1
-_ACEOF
-
-fi
-
-done
-
- if test "$ac_cv_header_netdnet_dn_h" = "yes"; then
- #
- # Yes. Does it declare struct dn_naddr?
- #
- ac_fn_c_check_type "$LINENO" "struct dn_naddr" "ac_cv_type_struct_dn_naddr" "
-#include <netdnet/dn.h>
-
-"
-if test "x$ac_cv_type_struct_dn_naddr" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_DN_NADDR 1
-_ACEOF
-
-
-fi
-
- fi
-
-fi
-
-
-ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
-if test "x$ac_cv_func_strlcat" = xyes; then :
- $as_echo "#define HAVE_STRLCAT 1" >>confdefs.h
-
-else
- case " $LIBOBJS " in
- *" strlcat.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS strlcat.$ac_objext"
- ;;
-esac
+ case " $LIBOBJS " in
+ *" strlcat.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strlcat.$ac_objext"
+ ;;
+esac
fi
fi
-for ac_func in fork vfork strftime
+for ac_func in fork vfork
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
done
-needsnprintf=no
-for ac_func in vsnprintf snprintf
-do :
- as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+#
+# Make sure we have vsnprintf() and snprintf(); we require them.
+#
+ac_fn_c_check_func "$LINENO" "vsnprintf" "ac_cv_func_vsnprintf"
+if test "x$ac_cv_func_vsnprintf" = xyes; then :
else
- needsnprintf=yes
+ as_fn_error $? "vsnprintf() is required but wasn't found" "$LINENO" 5
fi
-done
-if test $needsnprintf = yes; then
- case " $LIBOBJS " in
- *" snprintf.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
- ;;
-esac
+ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
+if test "x$ac_cv_func_snprintf" = xyes; then :
+
+else
+ as_fn_error $? "snprintf() is required but wasn't found" "$LINENO" 5
+fi
+
+
+#
+# Define HAVE_NO_PRINTF_Z to make it possible to disable test cases that
+# depend on %zu.
+#
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether printf(3) supports the z length modifier" >&5
+$as_echo_n "checking whether printf(3) supports the z length modifier... " >&6; }
+if test "$cross_compiling" = yes; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not while cross-compiling" >&5
+$as_echo "not while cross-compiling" >&6; }
+
+
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+
+#include <stdio.h>
+#include <string.h>
+
+int main()
+{
+ char buf[100];
+ snprintf(buf, sizeof(buf), "%zu", sizeof(buf));
+ return strncmp(buf, "100", sizeof(buf)) ? 1 : 0;
+}
+
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+$as_echo "#define HAVE_NO_PRINTF_Z 1" >>confdefs.h
+
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lrpc" >&5
$as_echo_n "checking for main in -lrpc... " >&6; }
if ${ac_cv_lib_rpc_main+:} false; then :
fi
fi
libpcap=FAIL
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to look for a local libpcap" >&5
+$as_echo_n "checking whether to look for a local libpcap... " >&6; }
+ # Check whether --enable-local-libpcap was given.
+if test "${enable_local_libpcap+set}" = set; then :
+ enableval=$enable_local_libpcap;
+else
+ enableval=yes
+fi
-# Check whether --with-system-libpcap was given.
-if test "${with_system_libpcap+set}" = set; then :
- withval=$with_system_libpcap;
- #
- # Don't look for a local libpcap.
- #
- using_local_libpcap=no
+ case "$enableval" in
-else
+ no)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ #
+ # Don't look for a local libpcap.
+ #
+ using_local_libpcap=no
+ ;;
+ *)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ #
+ # Look for a local pcap library.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for local pcap library" >&5
+$as_echo_n "checking for local pcap library... " >&6; }
+ lastdir=FAIL
+ places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
+ egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT|rc.)?$'`
+ places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
+ egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT|rc.)?$'`
+ for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
+ basedir=`echo $dir | sed -e 's/[ab][0-9]*$//' | \
+ sed -e 's/-PRE-GIT$//' `
+ if test $lastdir = $basedir ; then
+ continue;
+ fi
+ lastdir=$dir
+ if test -r $dir/libpcap.a ; then
+ libpcap=$dir/libpcap.a
+ local_pcap_dir=$dir
+ fi
+ done
+ if test $libpcap = FAIL ; then
#
- # Look for a local pcap library.
+ # We didn't find a local libpcap.
#
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for local pcap library" >&5
-$as_echo_n "checking for local pcap library... " >&6; }
- lastdir=FAIL
- places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
- egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT)?$'`
- places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
- egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT)?$'`
- for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
- basedir=`echo $dir | sed -e 's/[ab][0-9]*$//' | \
- sed -e 's/-PRE-GIT$//' `
- if test $lastdir = $basedir ; then
- continue;
- fi
- lastdir=$dir
- if test -r $dir/libpcap.a ; then
- libpcap=$dir/libpcap.a
- local_pcap_dir=$dir
- fi
- done
- if test $libpcap = FAIL ; then
- #
- # We didn't find a local libpcap.
- #
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
$as_echo "not found" >&6; }
- using_local_libpcap=no;
- else
- #
- # We found a local libpcap.
- #
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libpcap" >&5
+ using_local_libpcap=no;
+ else
+ #
+ # We found a local libpcap.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libpcap" >&5
$as_echo "$libpcap" >&6; }
- using_local_libpcap=yes
- fi
-
-fi
-
+ using_local_libpcap=yes
+ fi
+ ;;
+ esac
if test $using_local_libpcap = no ; then
#
# We didn't find a local libpcap.
- # Look for an installed pcap-config.
+ # Look for an installed pkg-config.
#
if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}pcap-config", so it can be a program name with args.
-set dummy ${ac_tool_prefix}pcap-config; ac_word=$2
+ # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PCAP_CONFIG+:} false; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
$as_echo_n "(cached) " >&6
else
- case $PCAP_CONFIG in
+ case $PKG_CONFIG in
[\\/]* | ?:[\\/]*)
- ac_cv_path_PCAP_CONFIG="$PCAP_CONFIG" # Let the user override the test with a path.
+ ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
;;
*)
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_path_PCAP_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
;;
esac
fi
-PCAP_CONFIG=$ac_cv_path_PCAP_CONFIG
-if test -n "$PCAP_CONFIG"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PCAP_CONFIG" >&5
-$as_echo "$PCAP_CONFIG" >&6; }
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
-if test -z "$ac_cv_path_PCAP_CONFIG"; then
- ac_pt_PCAP_CONFIG=$PCAP_CONFIG
- # Extract the first word of "pcap-config", so it can be a program name with args.
-set dummy pcap-config; ac_word=$2
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+ ac_pt_PKG_CONFIG=$PKG_CONFIG
+ # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_ac_pt_PCAP_CONFIG+:} false; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
$as_echo_n "(cached) " >&6
else
- case $ac_pt_PCAP_CONFIG in
+ case $ac_pt_PKG_CONFIG in
[\\/]* | ?:[\\/]*)
- ac_cv_path_ac_pt_PCAP_CONFIG="$ac_pt_PCAP_CONFIG" # Let the user override the test with a path.
+ ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
;;
*)
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_path_ac_pt_PCAP_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
;;
esac
fi
-ac_pt_PCAP_CONFIG=$ac_cv_path_ac_pt_PCAP_CONFIG
-if test -n "$ac_pt_PCAP_CONFIG"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PCAP_CONFIG" >&5
-$as_echo "$ac_pt_PCAP_CONFIG" >&6; }
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+$as_echo "$ac_pt_PKG_CONFIG" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
- if test "x$ac_pt_PCAP_CONFIG" = x; then
- PCAP_CONFIG=""
+ if test "x$ac_pt_PKG_CONFIG" = x; then
+ PKG_CONFIG=""
else
case $cross_compiling:$ac_tool_warned in
yes:)
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
- PCAP_CONFIG=$ac_pt_PCAP_CONFIG
+ PKG_CONFIG=$ac_pt_PKG_CONFIG
fi
else
- PCAP_CONFIG="$ac_cv_path_PCAP_CONFIG"
+ PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
fi
- if test -n "$PCAP_CONFIG" ; then
+ if test -n "$PKG_CONFIG" ; then
+ #
+ # We have it. Are there .pc files for libpcap?
+ #
+ # --exists was introduced in pkg-config 0.4.0; that
+ # dates back to late 2000, so we won't worry about
+ # earlier releases that lack it.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether there are .pc files for libpcap" >&5
+$as_echo_n "checking whether there are .pc files for libpcap... " >&6; }
+ if "$PKG_CONFIG" libpcap --exists ; then
+ #
+ # Yes, so we can use pkg-config to get configuration
+ # information for libpcap.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ pkg_config_usable=yes
+ else
+ #
+ # No, so we can't use pkg-config to get configuration
+ # information for libpcap.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ pkg_config_usable=no
+ fi
+ else
+ #
+ # We don't have it, so we obviously can't use it.
+ #
+ pkg_config_usable=no
+ fi
+ if test "$pkg_config_usable" = "yes" ; then
#
- # Found - use it to get the include flags for
+ # Found both - use pkg-config to get the include flags for
# libpcap and the flags to link with libpcap.
#
# Please read section 11.6 "Shell Substitutions"
# double-quoted strings inside double-quoted back-quoted
# expressions (pfew!)."
#
- cflags=`"$PCAP_CONFIG" --cflags`
+ cflags=`"$PKG_CONFIG" libpcap --cflags`
V_INCLS="$cflags $V_INCLS"
- libpcap=`"$PCAP_CONFIG" --libs`
+ libpcap=`"$PKG_CONFIG" libpcap --libs`
else
#
- # Not found; look for an installed pcap.
+ # No pkg-config
+ # Look for an installed pcap-config.
#
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lpcap" >&5
-$as_echo_n "checking for main in -lpcap... " >&6; }
-if ${ac_cv_lib_pcap_main+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpcap $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-
-int
-main ()
-{
-return main ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_pcap_main=yes
-else
- ac_cv_lib_pcap_main=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_main" >&5
-$as_echo "$ac_cv_lib_pcap_main" >&6; }
-if test "x$ac_cv_lib_pcap_main" = xyes; then :
- libpcap="-lpcap"
-fi
-
- if test $libpcap = FAIL ; then
- as_fn_error $? "see the INSTALL doc for more info" "$LINENO" 5
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for extraneous pcap header directories" >&5
-$as_echo_n "checking for extraneous pcap header directories... " >&6; }
- if test \( ! -r /usr/local/include/pcap.h \) -a \
- \( ! -r /usr/include/pcap.h \); then
- if test -r /usr/local/include/pcap/pcap.h; then
- d="/usr/local/include/pcap"
- elif test -r /usr/include/pcap/pcap.h; then
- d="/usr/include/pcap"
- fi
- fi
- if test -z "$d" ; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-$as_echo "not found" >&6; }
- else
- V_INCLS="-I$d $V_INCLS"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: found -- -I$d added" >&5
-$as_echo "found -- -I$d added" >&6; }
- fi
- fi
- else
- #
- # We found a local libpcap.
- # Look for its pcap-config script.
- #
- # Extract the first word of "pcap-config", so it can be a program name with args.
-set dummy pcap-config; ac_word=$2
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}pcap-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pcap-config; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_path_PCAP_CONFIG+:} false; then :
;;
*)
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $local_pcap_dir
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_path_PCAP_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+PCAP_CONFIG=$ac_cv_path_PCAP_CONFIG
+if test -n "$PCAP_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PCAP_CONFIG" >&5
+$as_echo "$PCAP_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PCAP_CONFIG"; then
+ ac_pt_PCAP_CONFIG=$PCAP_CONFIG
+ # Extract the first word of "pcap-config", so it can be a program name with args.
+set dummy pcap-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_PCAP_CONFIG+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $ac_pt_PCAP_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_ac_pt_PCAP_CONFIG="$ac_pt_PCAP_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_path_ac_pt_PCAP_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+ac_pt_PCAP_CONFIG=$ac_cv_path_ac_pt_PCAP_CONFIG
+if test -n "$ac_pt_PCAP_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PCAP_CONFIG" >&5
+$as_echo "$ac_pt_PCAP_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_pt_PCAP_CONFIG" = x; then
+ PCAP_CONFIG=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ PCAP_CONFIG=$ac_pt_PCAP_CONFIG
+ fi
+else
+ PCAP_CONFIG="$ac_cv_path_PCAP_CONFIG"
+fi
+
+ if test -n "$PCAP_CONFIG" ; then
+ #
+ # Found - use it to get the include flags for
+ # libpcap and the flags to link with libpcap.
+ #
+ # If this is a vendor-supplied pcap-config, which
+ # we define as being "a pcap-config in /usr/bin
+ # or /usr/ccs/bin" (the latter is for Solaris and
+ # Sun/Oracle Studio), there are some issues. Work
+ # around them.
+ #
+ if test \( "$PCAP_CONFIG" = "/usr/bin/pcap-config" \) -o \
+ \( "$PCAP_CONFIG" = "/usr/ccs/bin/pcap-config" \) ; then
+ #
+ # It's vendor-supplied.
+ #
+ case "$host_os" in
+
+ darwin*)
+ #
+ # This is macOS or another Darwin-based OS.
+ #
+ # That means that /usr/bin/pcap-config it
+ # may provide -I/usr/local/include with --cflags
+ # and -L/usr/local/lib with --libs, rather than
+ # pointing to the OS-supplied library and
+ # Xcode-supplied headers. Remember that, so we
+ # ignore those values.
+ #
+ _broken_apple_pcap_config=yes
+ ;;
+
+ solaris*)
+ #
+ # This is Solaris 2 or later, i.e. SunOS 5.x.
+ #
+ # At least on Solaris 11; there's /usr/bin/pcap-config,
+ # which reports -L/usr/lib with --libs, causing
+ # the 32-bit libraries to be found, and there's
+ # /usr/bin/{64bitarch}/pcap-config, where {64bitarch}
+ # is a name for the 64-bit version of the instruction
+ # set, which reports -L /usr/lib/{64bitarch}, causing
+ # the 64-bit libraries to be found.
+ #
+ # So if we're building 64-bit targets, we replace
+ # PCAP_CONFIG with /usr/bin/{64bitarch}; we get
+ # {64bitarch} as the output of "isainfo -n".
+ #
+ # Are we building 32-bit or 64-bit? Get the
+ # size of void *, and check that.
+ #
+ # The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
+$as_echo_n "checking size of void *... " >&6; }
+if ${ac_cv_sizeof_void_p+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default"; then :
+
+else
+ if test "$ac_cv_type_void_p" = yes; then
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (void *)
+See \`config.log' for more details" "$LINENO" 5; }
+ else
+ ac_cv_sizeof_void_p=0
+ fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
+$as_echo "$ac_cv_sizeof_void_p" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
+_ACEOF
+
+
+ if test ac_cv_sizeof_void_p -eq 8 ; then
+ isainfo_output=`isainfo -n`
+ if test ! -z "$isainfo_output" ; then
+ #
+ # Success - change PCAP_CONFIG.
+ #
+ PCAP_CONFIG=`echo $PCAP_CONFIG | sed "s;/bin/;/bin/$isainfo_output/;"`
+ fi
+ fi
+ ;;
+ esac
+ fi
+ #
+ # Please read section 11.6 "Shell Substitutions"
+ # in the autoconf manual before doing anything
+ # to this that involves quoting. Especially note
+ # the statement "There is just no portable way to use
+ # double-quoted strings inside double-quoted back-quoted
+ # expressions (pfew!)."
+ #
+ cflags=`"$PCAP_CONFIG" --cflags`
+ #
+ # Work around macOS (and probably other Darwin) brokenness,
+ # by not adding /usr/local/include if it's from the broken
+ # Apple pcap-config.
+ #
+ if test "$_broken_apple_pcap_config" = "yes" ; then
+ #
+ # Strip -I/usr/local/include with sed.
+ #
+ cflags=`echo $cflags | sed 's;-I/usr/local/include;;'`
+ fi
+ V_INCLS="$cflags $V_INCLS"
+ libpcap=`"$PCAP_CONFIG" --libs`
+ #
+ # Work around macOS (and probably other Darwin) brokenness,
+ # by not adding /usr/local/lib if it's from the broken
+ # Apple pcap-config.
+ #
+ if test "$_broken_apple_pcap_config" = "yes" ; then
+ #
+ # Strip -L/usr/local/lib with sed.
+ #
+ libpcap=`echo $libpcap | sed 's;-L/usr/local/lib;;'`
+ fi
+ else
+ #
+ # Not found; look for an installed pcap.
+ #
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lpcap" >&5
+$as_echo_n "checking for main in -lpcap... " >&6; }
+if ${ac_cv_lib_pcap_main+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpcap $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+
+int
+main ()
+{
+return main ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_pcap_main=yes
+else
+ ac_cv_lib_pcap_main=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_main" >&5
+$as_echo "$ac_cv_lib_pcap_main" >&6; }
+if test "x$ac_cv_lib_pcap_main" = xyes; then :
+ libpcap="-lpcap"
+fi
+
+ if test $libpcap = FAIL ; then
+ as_fn_error $? "see the INSTALL doc for more info" "$LINENO" 5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for extraneous pcap header directories" >&5
+$as_echo_n "checking for extraneous pcap header directories... " >&6; }
+ if test \( ! -r /usr/local/include/pcap.h \) -a \
+ \( ! -r /usr/include/pcap.h \); then
+ if test -r /usr/local/include/pcap/pcap.h; then
+ d="/usr/local/include/pcap"
+ elif test -r /usr/include/pcap/pcap.h; then
+ d="/usr/include/pcap"
+ fi
+ fi
+ if test -z "$d" ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+$as_echo "not found" >&6; }
+ else
+ V_INCLS="-I$d $V_INCLS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: found -- -I$d added" >&5
+$as_echo "found -- -I$d added" >&6; }
+ fi
+ fi
+ fi
+ else
+ #
+ # We found a local libpcap. Add it to the dependencies for
+ # tcpdump.
+ #
+ V_PCAPDEP=$libpcap
+
+ #
+ # Look for its pcap-config script.
+ #
+ # Extract the first word of "pcap-config", so it can be a program name with args.
+set dummy pcap-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PCAP_CONFIG+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $PCAP_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_PCAP_CONFIG="$PCAP_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $local_pcap_dir
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
# routines in those libraries, so we'll need to link with
# them, because we'll be linking statically with it.
#
+ # If it supports --static-pcap-only. use that, as we will be
+ # linking with a static libpcap but won't be linking
+ # statically with any of the libraries on which it depends;
+ # those libraries might not even have static versions
+ # installed.
+ #
+ # That means we need to find out the libraries on which
+ # libpcap directly depends, so we can link with them, but we
+ # don't need to link with the libraries on which those
+ # libraries depend as, on all UN*Xes with which I'm
+ # familiar, the libraries on which a shared library depends
+ # are stored in the library and are automatically loaded by
+ # the run-time linker, without the executable having to be
+ # linked with those libraries. (This allows a library to be
+ # changed to depend on more libraries without breaking that
+ # library's ABI.)
+ #
+ # The only way to test for that support is to see if the
+ # script contains the string "static-pcap-only"; we can't
+ # try using that flag and checking for errors, as the
+ # versions of the script that didn't have that flag wouldn't
+ # report or return an error for an unsupported command-line
+ # flag. Those older versions provided, with --static, only
+ # the libraries on which libpcap depends, not the
+ # dependencies of those libraries; the versions with
+ # --static-pcap-only provide all the dependencies with
+ # --static, for the benefit of programs that are completely
+ # statically linked, and provide only the direct
+ # dependencies with --static-pcap-only.
+ #
+ if grep -s -q "static-pcap-only" "$PCAP_CONFIG"
+ then
+ static_opt="--static-pcap-only"
+ else
+ static_opt="--static"
+ fi
V_INCLS="-I$local_pcap_dir $V_INCLS"
- additional_libs=`"$PCAP_CONFIG" --static --additional-libs`
+ additional_libs=`"$PCAP_CONFIG" $static_opt --additional-libs`
libpcap="$libpcap $additional_libs"
else
#
# It doesn't have a pcap-config script.
# Make sure it has a pcap.h file.
#
- V_PCAPDEP=$libpcap
places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
egrep '/libpcap-[0-9]*.[0-9]*(.[0-9]*)?([ab][0-9]*)?$'`
places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
fi
fi
- if test -z "$PCAP_CONFIG"; then
+ if test -z "$PKG_CONFIG" -a -z "$PCAP_CONFIG"; then
#
- # We don't have pcap-config; find out any additional link flags
- # we need. (If we have pcap-config, we assume it tells us what
- # we need.)
+ # We don't have pkg-config or pcap-config; find out any additional
+ # link flags we need. (If we have pkg-config or pcap-config, we
+ # assume it tells us what we need.)
#
case "$host_os" in
else
- as_fn_error $? "This is a bug, please follow the guidelines in CONTRIBUTING and include the
+ as_fn_error $? "This is a bug, please follow the guidelines in CONTRIBUTING.md and include the
config.log file in your report. If you have downloaded libpcap from
tcpdump.org, and built it yourself, please also include the config.log
file from the libpcap source directory, the Makefile from the libpcap
#
# You are in a twisty little maze of UN*Xes, all different.
# Some might not have ether_ntohost().
-# Some might have it, but not declare it in any header file.
-# Some might have it, but declare it in <netinet/if_ether.h>.
-# Some might have it, but declare it in <netinet/ether.h>
-# (And some might have it but document it as something declared in
-# <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.)
+# Some might have it and declare it in <net/ethernet.h>.
+# Some might have it and declare it in <netinet/ether.h>
+# Some might have it and declare it in <sys/ethernet.h>.
+# Some might have it and declare it in <arpa/inet.h>.
+# Some might have it and declare it in <netinet/if_ether.h>.
+# Some might have it and not declare it in any header file.
#
# Before you is a C compiler.
#
/* end confdefs.h. */
#include <netdb.h>
+ #include <netinet/ether.h>
+ #include <stdlib.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
if test "$ac_cv_func_ether_ntohost" = yes -a \
"$ac_cv_buggy_ether_ntohost" = "no"; then
#
- # OK, we have ether_ntohost(). Do we have <netinet/if_ether.h>?
+ # OK, we have ether_ntohost(). Is it declared in <net/ethernet.h>?
+ #
+ # This test fails if we don't have <net/ethernet.h> or if we do
+ # but it doesn't declare ether_ntohost().
+ #
+ ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
+#include <net/ethernet.h>
+
+"
+if test "x$ac_cv_have_decl_ether_ntohost" = xyes; then :
+
+
+$as_echo "#define NET_ETHERNET_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
+
+
+fi
+
+ #
+ # Did that succeed?
#
- if test "$ac_cv_header_netinet_if_ether_h" = yes; then
+ if test "$ac_cv_have_decl_ether_ntohost" != yes; then
+ #
+ # No, how about <netinet/ether.h>, as on Linux?
#
- # Yes. Does it declare ether_ntohost()?
+ # This test fails if we don't have <netinet/ether.h>
+ # or if we do but it doesn't declare ether_ntohost().
#
+ # Unset ac_cv_have_decl_ether_ntohost so we don't
+ # treat the previous failure as a cached value and
+ # suppress the next test.
+ #
+ unset ac_cv_have_decl_ether_ntohost
ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-struct mbuf;
-struct rtentry;
-#include <net/if.h>
-#include <netinet/if_ether.h>
+#include <netinet/ether.h>
"
if test "x$ac_cv_have_decl_ether_ntohost" = xyes; then :
-$as_echo "#define NETINET_IF_ETHER_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
+$as_echo "#define NETINET_ETHER_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
fi
#
if test "$ac_cv_have_decl_ether_ntohost" != yes; then
#
- # No, how about <netinet/ether.h>, as on Linux?
+ # No, how about <sys/ethernet.h>, as on Solaris 10
+ # and later?
#
- for ac_header in netinet/ether.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "netinet/ether.h" "ac_cv_header_netinet_ether_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_ether_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_NETINET_ETHER_H 1
-_ACEOF
+ # This test fails if we don't have <sys/ethernet.h>
+ # or if we do but it doesn't declare ether_ntohost().
+ #
+ # Unset ac_cv_have_decl_ether_ntohost so we don't
+ # treat the previous failure as a cached value and
+ # suppress the next test.
+ #
+ unset ac_cv_have_decl_ether_ntohost
+ ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
+#include <sys/ethernet.h>
-fi
+"
+if test "x$ac_cv_have_decl_ether_ntohost" = xyes; then :
-done
- if test "$ac_cv_header_netinet_ether_h" = yes; then
- #
- # We have it - does it declare ether_ntohost()?
- # Unset ac_cv_have_decl_ether_ntohost so we don't
- # treat the previous failure as a cached value and
- # suppress the next test.
- #
- unset ac_cv_have_decl_ether_ntohost
- ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
-#include <netinet/ether.h>
+$as_echo "#define SYS_ETHERNET_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
+
+
+fi
+
+ fi
+ #
+ # Did that succeed?
+ #
+ if test "$ac_cv_have_decl_ether_ntohost" != yes; then
+ #
+ # No, how about <arpa/inet.h>, as in AIX?
+ #
+ # This test fails if we don't have <arpa/inet.h>
+ # (if we have ether_ntohost(), we should have
+ # networking, and if we have networking, we should
+ # have <arpa/inet.h>) or if we do but it doesn't
+ # declare ether_ntohost().
+ #
+ # Unset ac_cv_have_decl_ether_ntohost so we don't
+ # treat the previous failure as a cached value and
+ # suppress the next test.
+ #
+ unset ac_cv_have_decl_ether_ntohost
+ ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
+#include <arpa/inet.h>
"
if test "x$ac_cv_have_decl_ether_ntohost" = xyes; then :
-$as_echo "#define NETINET_ETHER_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
+$as_echo "#define ARPA_INET_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
fi
- fi
fi
#
- # Is ether_ntohost() declared?
+ # Did that succeed?
#
if test "$ac_cv_have_decl_ether_ntohost" != yes; then
#
- # No, we'll have to declare it ourselves.
- # Do we have "struct ether_addr"?
+ # No, how about <netinet/if_ether.h>?
+ # On some platforms, it requires <net/if.h> and
+ # <netinet/in.h>, and we always include it with
+ # both of them, so test it with both of them.
#
- ac_fn_c_check_type "$LINENO" "struct ether_addr" "ac_cv_type_struct_ether_addr" "
+ # This test fails if we don't have <netinet/if_ether.h>
+ # and the headers we include before it, or if we do but
+ # <netinet/if_ether.h> doesn't declare ether_hostton().
+ #
+ # Unset ac_cv_have_decl_ether_ntohost so we don't
+ # treat the previous failure as a cached value and
+ # suppress the next test.
+ #
+ unset ac_cv_have_decl_ether_ntohost
+ ac_fn_c_check_decl "$LINENO" "ether_ntohost" "ac_cv_have_decl_ether_ntohost" "
#include <sys/types.h>
#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-struct mbuf;
-struct rtentry;
#include <net/if.h>
+#include <netinet/in.h>
#include <netinet/if_ether.h>
"
-if test "x$ac_cv_type_struct_ether_addr" = xyes; then :
+if test "x$ac_cv_have_decl_ether_ntohost" = xyes; then :
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_ETHER_ADDR 1
-_ACEOF
+
+$as_echo "#define NETINET_IF_ETHER_H_DECLARES_ETHER_NTOHOST /**/" >>confdefs.h
fi
+ fi
+ #
+ # After all that, is ether_ntohost() declared?
+ #
+ if test "$ac_cv_have_decl_ether_ntohost" = yes; then
+ #
+ # Yes.
+ #
-$as_echo "#define HAVE_DECL_ETHER_NTOHOST 0" >>confdefs.h
+$as_echo "#define HAVE_DECL_ETHER_NTOHOST 1" >>confdefs.h
else
+ #
+ # No, we'll have to declare it ourselves.
+ # Do we have "struct ether_addr" if we include
+ # <netinet/if_ether.h>?
+ #
+ ac_fn_c_check_type "$LINENO" "struct ether_addr" "ac_cv_type_struct_ether_addr" "
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <net/if.h>
+ #include <netinet/in.h>
+ #include <netinet/if_ether.h>
-$as_echo "#define HAVE_DECL_ETHER_NTOHOST 1" >>confdefs.h
+"
+if test "x$ac_cv_type_struct_ether_addr" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_ETHER_ADDR 1
+_ACEOF
+
+
+fi
fi
fi
done
-ac_fn_c_check_func "$LINENO" "pcap_dump_ftell" "ac_cv_func_pcap_dump_ftell"
-if test "x$ac_cv_func_pcap_dump_ftell" = xyes; then :
-
-$as_echo "#define HAVE_PCAP_DUMP_FTELL 1" >>confdefs.h
-
-else
-
- case " $LIBOBJS " in
- *" pcap_dump_ftell.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS pcap_dump_ftell.$ac_objext"
- ;;
-esac
-
-
-fi
-
-
#
# Do we have the new open API? Check for pcap_create, and assume that,
# if we do, we also have pcap_activate() and the other new routines
fi
done
+ac_fn_c_check_func "$LINENO" "pcap_dump_ftell" "ac_cv_func_pcap_dump_ftell"
+if test "x$ac_cv_func_pcap_dump_ftell" = xyes; then :
+ $as_echo "#define HAVE_PCAP_DUMP_FTELL 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" pcap_dump_ftell.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS pcap_dump_ftell.$ac_objext"
+ ;;
+esac
+
+fi
+
+
#
# Check for special debugging functions
fi
-#
-# Check for some headers introduced in later versions of libpcap
-# and used by some printers.
-#
-# Those headers might use the {u_}intN_t types, so we must do this
-# after we check for what's needed to get them defined.
-#
-savedcppflags="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS $V_INCLS"
-for ac_header in pcap/bluetooth.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "pcap/bluetooth.h" "ac_cv_header_pcap_bluetooth_h" "#include \"netdissect-stdinc.h\"
-"
-if test "x$ac_cv_header_pcap_bluetooth_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_PCAP_BLUETOOTH_H 1
-_ACEOF
-
-fi
-
-done
-
-for ac_header in pcap/nflog.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "pcap/nflog.h" "ac_cv_header_pcap_nflog_h" "#include \"netdissect-stdinc.h\"
-"
-if test "x$ac_cv_header_pcap_nflog_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_PCAP_NFLOG_H 1
-_ACEOF
-
-fi
-
-done
-
-CPPFLAGS="$savedcppflags"
-
if test -n "$ac_tool_prefix"; then
# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
#
if test "$ac_lbl_cc_dont_try_gcc_dashW" != yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler fails when given an unknown warning option" >&5
-$as_echo_n "checking whether the compiler fails when given an unknown warning option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
+$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
+ CFLAGS="$CFLAGS -W"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
- #
- # We're assuming this is clang, where
- # -Werror=unknown-warning-option is the appropriate
- # option to force the compiler to fail.
- #
- ac_lbl_unknown_warning_option_error="-Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -W"
else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ ac_c_werror_flag="$save_ac_c_werror_flag"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wall option" >&5
$as_echo_n "checking whether the compiler supports the -Wall option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wall" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wall"
- elif expr "x-Wall" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wall"
- elif expr "x-Wall" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wall"
- else
- CFLAGS="$CFLAGS -Wall"
- fi
+ CFLAGS="$CFLAGS -Wall"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wassign-enum option" >&5
+$as_echo_n "checking whether the compiler supports the -Wassign-enum option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
- elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
- elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
- else
- CFLAGS="$CFLAGS -Wmissing-prototypes"
- fi
+ CFLAGS="$CFLAGS -Wassign-enum"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+int main(void) { return 0; }
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wassign-enum"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcast-qual option" >&5
+$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Wcast-qual"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wmissing-prototypes"
+ V_CCOPT="$V_CCOPT -Wcast-qual"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wstrict-prototypes"
- elif expr "x-Wstrict-prototypes" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
- elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
- else
- CFLAGS="$CFLAGS -Wstrict-prototypes"
- fi
+ CFLAGS="$CFLAGS -Wmissing-prototypes"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+int main(void) { return 0; }
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wmissing-prototypes"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-variable-declarations option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-variable-declarations option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Wmissing-variable-declarations"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wstrict-prototypes"
+ V_CCOPT="$V_CCOPT -Wmissing-variable-declarations"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wwrite-strings option" >&5
-$as_echo_n "checking whether the compiler supports the -Wwrite-strings option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wold-style-definition option" >&5
+$as_echo_n "checking whether the compiler supports the -Wold-style-definition option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wwrite-strings" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wwrite-strings"
- elif expr "x-Wwrite-strings" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wwrite-strings"
- elif expr "x-Wwrite-strings" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wwrite-strings"
- else
- CFLAGS="$CFLAGS -Wwrite-strings"
- fi
+ CFLAGS="$CFLAGS -Wold-style-definition"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wwrite-strings"
+ V_CCOPT="$V_CCOPT -Wold-style-definition"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-arith option" >&5
-$as_echo_n "checking whether the compiler supports the -Wpointer-arith option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpedantic option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wpointer-arith" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpointer-arith"
- elif expr "x-Wpointer-arith" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wpointer-arith"
- elif expr "x-Wpointer-arith" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wpointer-arith"
- else
- CFLAGS="$CFLAGS -Wpointer-arith"
- fi
+ CFLAGS="$CFLAGS -Wpedantic"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wpointer-arith"
+ V_CCOPT="$V_CCOPT -Wpedantic"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcast-qual option" >&5
-$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-arith option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpointer-arith option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wcast-qual" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wcast-qual"
- elif expr "x-Wcast-qual" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wcast-qual"
- elif expr "x-Wcast-qual" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wcast-qual"
- else
- CFLAGS="$CFLAGS -Wcast-qual"
- fi
+ CFLAGS="$CFLAGS -Wpointer-arith"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wcast-qual"
+ V_CCOPT="$V_CCOPT -Wpointer-arith"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
-$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-sign option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpointer-sign option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wshadow" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
- elif expr "x-Wshadow" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wshadow"
- elif expr "x-Wshadow" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wshadow"
- else
- CFLAGS="$CFLAGS -Wshadow"
- fi
+ CFLAGS="$CFLAGS -Wpointer-sign"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wshadow"
+ V_CCOPT="$V_CCOPT -Wpointer-sign"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdeclaration-after-statement option" >&5
-$as_echo_n "checking whether the compiler supports the -Wdeclaration-after-statement option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
+$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wdeclaration-after-statement" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdeclaration-after-statement"
- elif expr "x-Wdeclaration-after-statement" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
- elif expr "x-Wdeclaration-after-statement" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
- else
- CFLAGS="$CFLAGS -Wdeclaration-after-statement"
- fi
+ CFLAGS="$CFLAGS -Wshadow"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wdeclaration-after-statement"
+ V_CCOPT="$V_CCOPT -Wshadow"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpedantic option" >&5
-$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wsign-compare option" >&5
+$as_echo_n "checking whether the compiler supports the -Wsign-compare option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wpedantic" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpedantic"
- elif expr "x-Wpedantic" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wpedantic"
- elif expr "x-Wpedantic" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wpedantic"
- else
- CFLAGS="$CFLAGS -Wpedantic"
- fi
+ CFLAGS="$CFLAGS -Wsign-compare"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wpedantic"
+ V_CCOPT="$V_CCOPT -Wsign-compare"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wold-style-definition option" >&5
-$as_echo_n "checking whether the compiler supports the -Wold-style-definition option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wold-style-definition" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wold-style-definition"
- elif expr "x-Wold-style-definition" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wold-style-definition"
- elif expr "x-Wold-style-definition" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wold-style-definition"
- else
- CFLAGS="$CFLAGS -Wold-style-definition"
- fi
+ CFLAGS="$CFLAGS -Wstrict-prototypes"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wold-style-definition"
+ V_CCOPT="$V_CCOPT -Wstrict-prototypes"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
-$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunreachable-code-return option" >&5
+$as_echo_n "checking whether the compiler supports the -Wunreachable-code-return option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wused-but-marked-unused" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wused-but-marked-unused"
- elif expr "x-Wused-but-marked-unused" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
- elif expr "x-Wused-but-marked-unused" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
- else
- CFLAGS="$CFLAGS -Wused-but-marked-unused"
- fi
+ CFLAGS="$CFLAGS -Wunreachable-code-return"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
+ V_CCOPT="$V_CCOPT -Wunreachable-code-return"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
-$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
+$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-W" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -W"
- elif expr "x-W" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -W"
- elif expr "x-W" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -W"
- else
- CFLAGS="$CFLAGS -W"
- fi
+ CFLAGS="$CFLAGS -Wused-but-marked-unused"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -W"
+ V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wassign-enum option" >&5
-$as_echo_n "checking whether the compiler supports the -Wassign-enum option... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wwrite-strings option" >&5
+$as_echo_n "checking whether the compiler supports the -Wwrite-strings option... " >&6; }
save_CFLAGS="$CFLAGS"
- if expr "x-Wassign-enum" : "x-W.*" >/dev/null
- then
- CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wassign-enum"
- elif expr "x-Wassign-enum" : "x-f.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wassign-enum"
- elif expr "x-Wassign-enum" : "x-m.*" >/dev/null
- then
- CFLAGS="$CFLAGS -Werror -Wassign-enum"
- else
- CFLAGS="$CFLAGS -Wassign-enum"
- fi
+ CFLAGS="$CFLAGS -Wwrite-strings"
+ #
+ # XXX - yes, this depends on the way AC_LANG_WERROR works,
+ # but no mechanism is provided to turn AC_LANG_WERROR on
+ # *and then turn it back off*, so that we *only* do it when
+ # testing compiler options - 15 years after somebody asked
+ # for it:
+ #
+ # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror
+ #
+ save_ac_c_werror_flag="$ac_c_werror_flag"
+ ac_c_werror_flag=yes
+ #
+ # We use AC_LANG_SOURCE() so that we can control the complete
+ # content of the program being compiled. We do not, for example,
+ # want the default "int main()" that AC_LANG_PROGRAM() generates,
+ # as it will generate a warning with -Wold-style-definition, meaning
+ # that we would treat it as not working, as the test will fail if
+ # *any* error output, including a warning due to the flag we're
+ # testing, is generated; see
+ #
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us
+ #
+ # This may, as per those two messages, be fixed in autoconf 2.70,
+ # but we only require 2.64 or newer for now.
+ #
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-
-int
-main ()
-{
-return 0
- ;
- return 0;
-}
+int main(void) { return 0; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CFLAGS="$save_CFLAGS"
- V_CCOPT="$V_CCOPT -Wassign-enum"
+ V_CCOPT="$V_CCOPT -Wwrite-strings"
else
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag="$save_ac_c_werror_flag"
fi
/* end confdefs.h. */
int main(void) { return 0; }
_ACEOF
- echo "$CC" $ac_lbl_dependency_flag conftest.c >&5
- if "$CC" $ac_lbl_dependency_flag conftest.c >/dev/null 2>&1; then
+ if { { $as_echo "$as_me:${as_lineno-$LINENO}: eval \"\$CC \$ac_lbl_dependency_flag conftest.c >/dev/null 2>&1\""; } >&5
+ (eval "$CC $ac_lbl_dependency_flag conftest.c >/dev/null 2>&1") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes, with $ac_lbl_dependency_flag" >&5
$as_echo "yes, with $ac_lbl_dependency_flag" >&6; }
DEPENDENCY_CFLAG="$ac_lbl_dependency_flag"
- MKDEP='${srcdir}/mkdep'
+ MKDEP='${top_srcdir}/mkdep'
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
# EVP_CIPHER_CTX, as EVP_CIPHER_CTX may be
# opaque; otherwise, we allocate it ourselves.
#
- # 2) do we have EVP_CipherInit_ex()?
+ # 2) do we have EVP_DecryptInit_ex()?
# If so, we use it, because we need to be
# able to make two "initialize the cipher"
# calls, one with the cipher and key, and
# one with the IV, and, as of OpenSSL 1.1,
- # You Can't Do That with EVP_CipherInit(),
- # because a call to EVP_CipherInit() will
+ # You Can't Do That with EVP_DecryptInit(),
+ # because a call to EVP_DecryptInit() will
# unconditionally clear the context, and
# if you don't supply a cipher, it'll
# clear the cipher, rendering the context
# unusable and causing a crash.
#
- for ac_func in EVP_CIPHER_CTX_new EVP_CipherInit_ex
+ for ac_func in EVP_CIPHER_CTX_new EVP_DecryptInit_ex
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
-This file was extended by tcpdump $as_me 4.10.0-PRE-GIT, which was
+This file was extended by tcpdump $as_me 4.99.4-PRE-GIT, which was
generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
-tcpdump config.status 4.10.0-PRE-GIT
+tcpdump config.status 4.99.4-PRE-GIT
configured by $0, generated by GNU Autoconf 2.69,
with options \\"\$ac_cs_config\\"
case $ac_file$ac_mode in
"default-1":C) if test -f .devel; then
echo timestamp > stamp-h
- cat Makefile-devel-adds >> Makefile
- make depend
+ cat $srcdir/Makefile-devel-adds >> Makefile
+ make depend || exit 1
fi ;;
esac
projects / tcpdump / blobdiff