The Tcpdump Group git mirrors - libpcap/blob - build.sh

   1 #!/bin/sh -e
   2
   3 # This script runs one build with setup environment variables: CC, CMAKE and
   4 # REMOTE.
   5 : "${CC:=gcc}"
   6 : "${CMAKE:=no}"
   7 : "${REMOTE:=no}"
   8 : "${LIBPCAP_TAINTED:=no}"
   9 : "${MAKE_BIN:=make}"
  10
  11 . ./build_common.sh
  12 # Install directory prefix
  13 if [ -z "$PREFIX" ]; then
  14     PREFIX=`mktempdir libpcap_build`
  15     echo "PREFIX set to '$PREFIX'"
  16     DELETE_PREFIX=yes
  17 fi
  18
  19 print_cc_version
  20
  21 # The norm is to compile without any warnings, but libpcap builds on some OSes
  22 # are not warning-free for one or another reason.  If you manage to fix one of
  23 # these cases, please remember to remove respective exemption below to help any
  24 # later warnings in the same matrix subset trigger an error.
  25 # shellcheck disable=SC2221,SC2222
  26 case `cc_id`/`os_id` in
  27 gcc-*/Linux-*)
  28     # This warning is a bit odd.  It is steadily present in Cirrus CI, but not
  29     # in Buildbot.  On my Linux system with the same exact distribution and GCC
  30     # as Cirrus CI it reproduces only if GCC receives the "-g" flag:
  31     # make CFLAGS=-g -- does not reproduce
  32     # CFLAGS=-g make -- reproduces
  33     # make -- reproduces
  34     #
  35     # pcap-linux.c:947:8: warning: ignoring return value of 'write', declared
  36     # with attribute warn_unused_result [-Wunused-result]
  37     #
  38     # And even this way it does not make GCC exit with an error when it has
  39     # reported the warning and has received the "-Werror" flag. So let's keep
  40     # this block no-op for now.
  41     ;;
  42 clang-*/NetBSD-*)
  43     # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
  44     # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  45     # [-Wshorten-64-to-32]
  46     # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
  47     # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  48     # [-Wshorten-64-to-32]
  49     # pcap-bpf.c:1274:39: warning: implicit conversion loses integer precision:
  50     # 'long' to 'suseconds_t' (aka 'int') [-Wshorten-64-to-32]
  51     LIBPCAP_TAINTED=yes
  52     ;;
  53 clang-*/SunOS-5.11)
  54     # (Solaris 11 and OpenIndiana)
  55     # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
  56     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  57     #   [-Wshorten-64-to-32]
  58     # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
  59     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  60     #   [-Wshorten-64-to-32]
  61     # fad-getad.c:266:52: warning: implicit conversion loses integer precision:
  62     #   'uint64_t'(aka 'unsigned long') to 'bpf_u_int32' (aka 'unsigned int')
  63     #   [-Wshorten-64-to-32]
  64     # (Solaris 11)
  65     # pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
  66     #   'long' to 'int' [-Wshorten-64-to-32]
  67     # (OpenIndiana)
  68     # rpcapd.c:393:18: warning: this function declaration is not a prototype
  69     #   [-Wstrict-prototypes]
  70     [ "`uname -p`" = i386 ] && LIBPCAP_TAINTED=yes
  71     ;;
  72 suncc-5.1[45]/SunOS-5.11)
  73     # "scanner.l", line 257: warning: statement not reached
  74     # (186 warnings for scanner.l)
  75     #
  76     # "./filtertest.c", line 259: warning: statement not reached
  77     # "./filtertest.c", line 276: warning: statement not reached
  78     # "./filtertest.c", line 281: warning: statement not reached
  79     LIBPCAP_TAINTED=yes
  80     ;;
  81 esac
  82 [ "$LIBPCAP_TAINTED" != yes ] && CFLAGS=`cc_werr_cflags`
  83
  84 if [ "$CMAKE" = no ]; then
  85     run_after_echo ./configure --prefix="$PREFIX" --enable-remote="$REMOTE"
  86 else
  87     # Remove the leftovers from any earlier in-source builds, so this
  88     # out-of-source build does not break because of that.
  89     # https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#what-is-an-out-of-source-build
  90     run_after_echo rm -rf CMakeFiles/ CMakeCache.txt
  91     [ ! -d build ] && run_after_echo mkdir build
  92     run_after_echo cd build
  93     run_after_echo cmake ${CFLAGS:+-DEXTRA_CFLAGS="$CFLAGS"} \
  94         -DCMAKE_INSTALL_PREFIX="$PREFIX" -DENABLE_REMOTE="$REMOTE" ..
  95 fi
  96 run_after_echo "$MAKE_BIN" -s clean
  97 if [ "$CMAKE" = no ]; then
  98     run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
  99     run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
 100 else
 101     # The "-s" flag is a no-op and CFLAGS is set using -DEXTRA_CFLAGS above.
 102     run_after_echo "$MAKE_BIN"
 103     run_after_echo "$MAKE_BIN" testprogs
 104 fi
 105 run_after_echo "$MAKE_BIN" install
 106 # VALGRIND_CMD is meant either to collapse or to expand.
 107 # shellcheck disable=SC2086
 108 if [ "$CMAKE" = no ]; then
 109     run_after_echo $VALGRIND_CMD testprogs/findalldevstest
 110     run_after_echo "$MAKE_BIN" releasetar
 111 else
 112     run_after_echo $VALGRIND_CMD run/findalldevstest
 113 fi
 114 handle_matrix_debug
 115 if [ "$DELETE_PREFIX" = yes ]; then
 116     run_after_echo rm -rf "$PREFIX"
 117 fi
 118 # vi: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab autoindent :