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-rwxr-xr-xbuild.sh198
1 files changed, 127 insertions, 71 deletions
diff --git a/build.sh b/build.sh
index e14ea68e..1af10ca0 100755
--- a/build.sh
+++ b/build.sh
@@ -1,96 +1,152 @@
-#!/usr/bin/env bash
+#!/bin/sh -e
# This script runs one build with setup environment variables: CC, CMAKE and
-# REMOTE (default: CC=gcc, CMAKE=no, REMOTE=no).
+# REMOTE.
+: "${CC:=gcc}"
+: "${CMAKE:=no}"
+: "${REMOTE:=no}"
+: "${LIBPCAP_TAINTED:=no}"
+: "${MAKE_BIN:=make}"
-set -e
-
-# CC: gcc or clang
-CC=${CC:-gcc}
-# GCC and Clang recognize --version and print to stdout. Sun compilers
-# recognize -V and print to stderr.
-"$CC" --version 2>/dev/null || "$CC" -V || :
-# CMAKE: no or yes
-CMAKE=${CMAKE:-no}
-# REMOTE: no or yes
-REMOTE=${REMOTE:-no}
+. ./build_common.sh
# Install directory prefix
if [ -z "$PREFIX" ]; then
- PREFIX=$(mktemp -d -t libpcap_build_XXXXXXXX)
+ PREFIX=`mktempdir libpcap_build`
echo "PREFIX set to '$PREFIX'"
DELETE_PREFIX=yes
fi
-travis_fold() {
- local action=${1:?}
- local name=${2:?}
- if [ "$TRAVIS" != true ]; then return; fi
- echo -ne "travis_fold:$action:$LABEL.script.$name\\r"
- sleep 1
-}
+print_cc_version
-# Run a command after displaying it
-run_after_echo() {
- echo -n '$ '
- echo "$@"
- # shellcheck disable=SC2068
- $@
-}
+# The norm is to compile without any warnings, but libpcap builds on some OSes
+# are not warning-free for one or another reason. If you manage to fix one of
+# these cases, please remember to remove respective exemption below to help any
+# later warnings in the same matrix subset trigger an error.
+# shellcheck disable=SC2221,SC2222
+case `cc_id`/`os_id` in
+gcc-*/Linux-*)
+ # This warning is a bit odd. It is steadily present in Cirrus CI, but not
+ # in Buildbot. On my Linux system with the same exact distribution and GCC
+ # as Cirrus CI it reproduces only if GCC receives the "-g" flag:
+ # make CFLAGS=-g -- does not reproduce
+ # CFLAGS=-g make -- reproduces
+ # make -- reproduces
+ #
+ # pcap-linux.c:947:8: warning: ignoring return value of 'write', declared
+ # with attribute warn_unused_result [-Wunused-result]
+ #
+ # And even this way it does not make GCC exit with an error when it has
+ # reported the warning and has received the "-Werror" flag. So let's keep
+ # this block no-op for now.
+ ;;
+clang-*/NetBSD-*)
+ # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
+ # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
+ # [-Wshorten-64-to-32]
+ # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
+ # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
+ # [-Wshorten-64-to-32]
+ # pcap-bpf.c:1274:39: warning: implicit conversion loses integer precision:
+ # 'long' to 'suseconds_t' (aka 'int') [-Wshorten-64-to-32]
+ LIBPCAP_TAINTED=yes
+ ;;
+clang-15.*/*)
+ # grammar.c:1369:14: warning: variable 'pcap_nerrs' set but not used
+ # [-Wunused-but-set-variable]
+ LIBPCAP_TAINTED=yes
+ ;;
+clang-*/SunOS-5.11)
+ # (Solaris 11 and OpenIndiana)
+ # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
+ # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
+ # [-Wshorten-64-to-32]
+ # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
+ # 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
+ # [-Wshorten-64-to-32]
+ # fad-getad.c:266:52: warning: implicit conversion loses integer precision:
+ # 'uint64_t'(aka 'unsigned long') to 'bpf_u_int32' (aka 'unsigned int')
+ # [-Wshorten-64-to-32]
+ # (Solaris 11)
+ # pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
+ # 'long' to 'int' [-Wshorten-64-to-32]
+ # (OpenIndiana)
+ # rpcapd.c:393:18: warning: this function declaration is not a prototype
+ # [-Wstrict-prototypes]
+ [ "`uname -p`" = i386 ] && LIBPCAP_TAINTED=yes
+ ;;
+suncc-5.1[45]/SunOS-5.11)
+ # "scanner.l", line 257: warning: statement not reached
+ # (186 warnings for scanner.l)
+ #
+ # "./filtertest.c", line 259: warning: statement not reached
+ # "./filtertest.c", line 276: warning: statement not reached
+ # "./filtertest.c", line 281: warning: statement not reached
+ LIBPCAP_TAINTED=yes
+ ;;
+*/Haiku-*)
+ # (GCC 8.3.0 and later, Clang 9.0.1.)
+ # pcap-haiku.cpp:55:21: warning: unused variable 'handlep' [-Wunused-variable]
+ # pcap-haiku.cpp:50:37: warning: unused parameter 'maxPackets' [-Wunused-parameter]
+ # pcap-haiku.cpp:111:47: warning: unused parameter 'buffer' [-Wunused-parameter]
+ # pcap-haiku.cpp:111:59: warning: unused parameter 'size' [-Wunused-parameter]
+ # pcap-haiku.cpp:268:26: warning: unused parameter 'name' [-Wunused-parameter]
+ # pcap-haiku.cpp:274:26: warning: unused parameter 'name' [-Wunused-parameter]
+ # pcap-haiku.cpp:274:58: warning: unused parameter 'errbuf' [-Wunused-parameter]
+ #
+ # (The warnings below come from GCC and Clang in CMake builds after installing
+ # all system updates.)
+ # gencode.c:4143:9: warning: converting a packed 'struct in6_addr' pointer
+ # (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
+ # result in an unaligned pointer value [-Waddress-of-packed-member]
+ # gencode.c:4144:9: warning: converting a packed 'struct in6_addr' pointer
+ # (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
+ # result in an unaligned pointer value [-Waddress-of-packed-member]
+ # gencode.c:7189:9: warning: converting a packed 'struct in6_addr' pointer
+ # (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
+ # result in an unaligned pointer value [-Waddress-of-packed-member]
+ # gencode.c:7190:9: warning: converting a packed 'struct in6_addr' pointer
+ # (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
+ # result in an unaligned pointer value [-Waddress-of-packed-member]
+ LIBPCAP_TAINTED=yes
+ ;;
+esac
+[ "$LIBPCAP_TAINTED" != yes ] && CFLAGS=`cc_werr_cflags`
-# LABEL is needed to build the travis fold labels
-LABEL="$CC.$CMAKE.$REMOTE"
if [ "$CMAKE" = no ]; then
- echo '$ ./configure [...]'
- travis_fold start configure
- ./configure --prefix="$PREFIX" --enable-remote="$REMOTE"
- travis_fold end configure
+ run_after_echo ./configure --prefix="$PREFIX" --enable-remote="$REMOTE"
else
# Remove the leftovers from any earlier in-source builds, so this
# out-of-source build does not break because of that.
# https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#what-is-an-out-of-source-build
- rm -rf CMakeFiles/ CMakeCache.txt
- [ ! -d build ] && mkdir build
- cd build
- echo '$ cmake [...]'
- travis_fold start cmake
- cmake -DCMAKE_INSTALL_PREFIX="$PREFIX" -DENABLE_REMOTE="$REMOTE" ..
- travis_fold end cmake
+ # (The contents of build/ remaining after an earlier unsuccessful attempt
+ # can fail subsequent build attempts too, sometimes in non-obvious ways,
+ # so remove that directory as well.)
+ run_after_echo rm -rf CMakeFiles/ CMakeCache.txt build/
+ run_after_echo mkdir build
+ run_after_echo cd build
+ run_after_echo cmake ${CFLAGS:+-DEXTRA_CFLAGS="$CFLAGS"} \
+ -DCMAKE_INSTALL_PREFIX="$PREFIX" -DENABLE_REMOTE="$REMOTE" ..
fi
-run_after_echo "make -s clean"
-run_after_echo "make -s"
-run_after_echo "make -s testprogs"
-echo '$ make install'
-travis_fold start make_install
-make install
-travis_fold end make_install
+run_after_echo "$MAKE_BIN" -s clean
if [ "$CMAKE" = no ]; then
- run_after_echo "testprogs/findalldevstest"
+ run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
+ run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
else
- run_after_echo "run/findalldevstest"
+ # The "-s" flag is a no-op and CFLAGS is set using -DEXTRA_CFLAGS above.
+ run_after_echo "$MAKE_BIN"
+ run_after_echo "$MAKE_BIN" testprogs
fi
+run_after_echo "$MAKE_BIN" install
+# VALGRIND_CMD is meant either to collapse or to expand.
+# shellcheck disable=SC2086
if [ "$CMAKE" = no ]; then
- system=$(uname -s)
- if [ "$system" = Darwin ] || [ "$system" = Linux ]; then
- run_after_echo "make releasetar"
- fi
-fi
-if [ "$TRAVIS" = true ]; then
- echo '$ cat Makefile [...]'
- travis_fold start cat_makefile
- sed '/^# DO NOT DELETE THIS LINE -- mkdep uses it.$/q' < Makefile
- travis_fold end cat_makefile
- echo '$ cat config.h'
- travis_fold start cat_config_h
- cat config.h
- travis_fold end cat_config_h
- if [ "$CMAKE" = no ]; then
- echo '$ cat config.log'
- travis_fold start cat_config_log
- cat config.log
- travis_fold end cat_config_log
- fi
+ run_after_echo $VALGRIND_CMD testprogs/findalldevstest
+ run_after_echo "$MAKE_BIN" releasetar
+else
+ run_after_echo $VALGRIND_CMD run/findalldevstest
fi
+handle_matrix_debug
if [ "$DELETE_PREFIX" = yes ]; then
- rm -rf "$PREFIX"
+ run_after_echo rm -rf "$PREFIX"
fi
# vi: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab autoindent :