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     # shellcheck disable=SC2006
  15     PREFIX=`mktempdir libpcap_build`
  16     echo "PREFIX set to '$PREFIX'"
  17     DELETE_PREFIX=yes
  18 fi
  19
  20 print_cc_version
  21
  22 # The norm is to compile without any warnings, but libpcap builds on some OSes
  23 # are not warning-free for one or another reason.  If you manage to fix one of
  24 # these cases, please remember to remove respective exemption below to help any
  25 # later warnings in the same matrix subset trigger an error.
  26 # shellcheck disable=SC2006,SC2221,SC2222
  27 case `cc_id`/`os_id` in
  28 gcc-*/Linux-*)
  29     # This warning is a bit odd.  It is steadily present in Cirrus CI, but not
  30     # in Buildbot.  On my Linux system with the same exact distribution and GCC
  31     # as Cirrus CI it reproduces only if GCC receives the "-g" flag:
  32     # make CFLAGS=-g -- does not reproduce
  33     # CFLAGS=-g make -- reproduces
  34     # make -- reproduces
  35     #
  36     # pcap-linux.c:947:8: warning: ignoring return value of 'write', declared
  37     # with attribute warn_unused_result [-Wunused-result]
  38     #
  39     # And even this way it does not make GCC exit with an error when it has
  40     # reported the warning and has received the "-Werror" flag. So let's keep
  41     # this block no-op for now.
  42     ;;
  43 clang-*/NetBSD-*)
  44     # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
  45     # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  46     # [-Wshorten-64-to-32]
  47     # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
  48     # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  49     # [-Wshorten-64-to-32]
  50     # pcap-bpf.c:1274:39: warning: implicit conversion loses integer precision:
  51     # 'long' to 'suseconds_t' (aka 'int') [-Wshorten-64-to-32]
  52     LIBPCAP_TAINTED=yes
  53     ;;
  54 clang-*/SunOS-5.11)
  55     # (Solaris 11 and OpenIndiana)
  56     # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
  57     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  58     #   [-Wshorten-64-to-32]
  59     # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
  60     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
  61     #   [-Wshorten-64-to-32]
  62     # fad-getad.c:266:52: warning: implicit conversion loses integer precision:
  63     #   'uint64_t'(aka 'unsigned long') to 'bpf_u_int32' (aka 'unsigned int')
  64     #   [-Wshorten-64-to-32]
  65     # (Solaris 11)
  66     # pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
  67     #   'long' to 'int' [-Wshorten-64-to-32]
  68     # (OpenIndiana)
  69     # rpcapd.c:393:18: warning: this function declaration is not a prototype
  70     #   [-Wstrict-prototypes]
  71     [ "`uname -p`" = i386 ] && LIBPCAP_TAINTED=yes
  72     ;;
  73 suncc-5.1[45]/SunOS-5.11)
  74     # "scanner.l", line 257: warning: statement not reached
  75     # (186 warnings for scanner.l)
  76     #
  77     # "./filtertest.c", line 259: warning: statement not reached
  78     # "./filtertest.c", line 276: warning: statement not reached
  79     # "./filtertest.c", line 281: warning: statement not reached
  80     LIBPCAP_TAINTED=yes
  81     ;;
  82 esac
  83 # shellcheck disable=SC2006
  84 [ "$LIBPCAP_TAINTED" != yes ] && CFLAGS=`cc_werr_cflags`
  85
  86 if [ "$CMAKE" = no ]; then
  87     run_after_echo ./configure --prefix="$PREFIX" --enable-remote="$REMOTE"
  88 else
  89     # Remove the leftovers from any earlier in-source builds, so this
  90     # out-of-source build does not break because of that.
  91     # https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#what-is-an-out-of-source-build
  92     run_after_echo rm -rf CMakeFiles/ CMakeCache.txt
  93     [ ! -d build ] && run_after_echo mkdir build
  94     run_after_echo cd build
  95     run_after_echo cmake ${CFLAGS:+-DEXTRA_CFLAGS="$CFLAGS"} \
  96         -DCMAKE_INSTALL_PREFIX="$PREFIX" -DENABLE_REMOTE="$REMOTE" ..
  97 fi
  98 run_after_echo "$MAKE_BIN" -s clean
  99 if [ "$CMAKE" = no ]; then
 100     run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
 101     run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
 102 else
 103     # The "-s" flag is a no-op and CFLAGS is set using -DEXTRA_CFLAGS above.
 104     run_after_echo "$MAKE_BIN"
 105     run_after_echo "$MAKE_BIN" testprogs
 106 fi
 107 run_after_echo "$MAKE_BIN" install
 108 if [ "$CMAKE" = no ]; then
 109     run_after_echo testprogs/findalldevstest
 110     run_after_echo "$MAKE_BIN" releasetar
 111 else
 112     run_after_echo run/findalldevstest
 113 fi
 114 handle_matrix_debug
 115 if [ "$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 :