build.sh - platform/external/libpcap - Git at Google

 #!/bin/sh -e

 # This script runs one build with setup environment variables: CC, CMAKE and
 # REMOTE.
 : "${CC:=gcc}"
 : "${CMAKE:=no}"
 : "${REMOTE:=no}"
 : "${LIBPCAP_TAINTED:=no}"
 : "${MAKE_BIN:=make}"

 . ./build_common.sh
 # Install directory prefix
 if [ -z "$PREFIX" ]; then
     PREFIX=`mktempdir libpcap_build`
     echo "PREFIX set to '$PREFIX'"
     DELETE_PREFIX=yes
 fi

 print_cc_version

 # 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`

 if [ "$CMAKE" = no ]; then
     run_after_echo ./configure --prefix="$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
     # (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 "$MAKE_BIN" -s clean
 if [ "$CMAKE" = no ]; then
     run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
     run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
 else
     # 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
     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
     run_after_echo rm -rf "$PREFIX"
 fi
 # vi: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab autoindent :
	#!/bin/sh -e

	# This script runs one build with setup environment variables: CC, CMAKE and
	# REMOTE.
	: "${CC:=gcc}"
	: "${CMAKE:=no}"
	: "${REMOTE:=no}"
	: "${LIBPCAP_TAINTED:=no}"
	: "${MAKE_BIN:=make}"

	. ./build_common.sh
	# Install directory prefix
	if [ -z "$PREFIX" ]; then
	PREFIX=`mktempdir libpcap_build`
	echo "PREFIX set to '$PREFIX'"
	DELETE_PREFIX=yes
	fi

	print_cc_version

	# 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`

	if [ "$CMAKE" = no ]; then
	run_after_echo ./configure --prefix="$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
	# (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 "$MAKE_BIN" -s clean
	if [ "$CMAKE" = no ]; then
	run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
	run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
	else
	# 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
	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
	run_after_echo rm -rf "$PREFIX"
	fi
	# vi: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab autoindent :