2008-07-10 02:12:20 +00:00
|
|
|
## Process this file with autoconf to produce configure.
|
|
|
|
## In general, the safest way to proceed is to run ./autogen.sh
|
|
|
|
|
|
|
|
AC_PREREQ(2.59)
|
|
|
|
|
|
|
|
# Note: If you change the version, you must also update it in:
|
2016-05-28 08:04:26 +00:00
|
|
|
# * Protobuf.podspec
|
|
|
|
# * csharp/Google.Protobuf.Tools.nuspec
|
|
|
|
# * csharp/src/*/AssemblyInfo.cs
|
|
|
|
# * csharp/src/Google.Protobuf/Google.Protobuf.nuspec
|
|
|
|
# * java/*/pom.xml
|
|
|
|
# * python/google/protobuf/__init__.py
|
|
|
|
# * protoc-artifacts/pom.xml
|
2008-07-10 02:12:20 +00:00
|
|
|
# * src/google/protobuf/stubs/common.h
|
2008-12-01 23:47:49 +00:00
|
|
|
# * src/Makefile.am (Update -version-info for LDFLAGS if needed)
|
2009-04-21 21:00:39 +00:00
|
|
|
#
|
|
|
|
# In the SVN trunk, the version should always be the next anticipated release
|
|
|
|
# version with the "-pre" suffix. (We used to use "-SNAPSHOT" but this pushed
|
|
|
|
# the size of one file name in the dist tarfile over the 99-char limit.)
|
2019-12-02 19:57:21 +00:00
|
|
|
AC_INIT([Protocol Buffers],[3.11.1],[protobuf@googlegroups.com],[protobuf])
|
2008-07-10 02:12:20 +00:00
|
|
|
|
2012-07-03 09:39:26 +00:00
|
|
|
AM_MAINTAINER_MODE([enable])
|
2009-05-06 01:15:06 +00:00
|
|
|
|
2008-07-10 02:12:20 +00:00
|
|
|
AC_CONFIG_SRCDIR(src/google/protobuf/message.cc)
|
2015-06-12 22:49:21 +00:00
|
|
|
# The config file is generated but not used by the source code, since we only
|
|
|
|
# need very few of them, e.g. HAVE_PTHREAD and HAVE_ZLIB. Those macros are
|
|
|
|
# passed down in CXXFLAGS manually in src/Makefile.am
|
2008-09-30 22:11:21 +00:00
|
|
|
AC_CONFIG_HEADERS([config.h])
|
2008-12-04 20:34:50 +00:00
|
|
|
AC_CONFIG_MACRO_DIR([m4])
|
2009-08-06 20:47:45 +00:00
|
|
|
|
2014-12-02 22:15:26 +00:00
|
|
|
AC_ARG_VAR(DIST_LANG, [language to include in the distribution package (i.e., make dist)])
|
|
|
|
case "$DIST_LANG" in
|
2014-12-04 01:37:42 +00:00
|
|
|
"") DIST_LANG=all ;;
|
2016-09-24 01:37:37 +00:00
|
|
|
all | cpp | csharp | java | python | javanano | objectivec | ruby | js | php) ;;
|
2014-12-02 22:15:26 +00:00
|
|
|
*) AC_MSG_FAILURE([unknown language: $DIST_LANG]) ;;
|
|
|
|
esac
|
|
|
|
AC_SUBST(DIST_LANG)
|
|
|
|
|
2009-08-06 20:47:45 +00:00
|
|
|
# autoconf's default CXXFLAGS are usually "-g -O2". These aren't necessarily
|
|
|
|
# the best choice for libprotobuf.
|
|
|
|
AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
|
|
|
|
[CFLAGS=""])
|
|
|
|
AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
|
|
|
|
[CXXFLAGS=""])
|
2009-08-06 23:01:43 +00:00
|
|
|
|
2009-08-06 20:47:45 +00:00
|
|
|
AC_CANONICAL_TARGET
|
|
|
|
|
2015-02-21 22:58:02 +00:00
|
|
|
AM_INIT_AUTOMAKE([1.9 tar-ustar subdir-objects])
|
2008-07-10 02:12:20 +00:00
|
|
|
|
2019-06-10 23:49:58 +00:00
|
|
|
# Silent rules enabled: the output is minimal but informative.
|
|
|
|
# In particular, the warnings from the compiler stick out very clearly.
|
|
|
|
# To see all logs, use the --disable-silent-rules on configure or via make V=1
|
|
|
|
AM_SILENT_RULES([yes])
|
|
|
|
|
2009-04-16 22:30:56 +00:00
|
|
|
AC_ARG_WITH([zlib],
|
|
|
|
[AS_HELP_STRING([--with-zlib],
|
|
|
|
[include classes for streaming compressed data in and out @<:@default=check@:>@])],
|
|
|
|
[],[with_zlib=check])
|
|
|
|
|
2017-07-25 11:28:30 +00:00
|
|
|
AC_ARG_WITH([zlib-include],
|
|
|
|
[AS_HELP_STRING([--with-zlib-include=PATH],
|
|
|
|
[zlib include directory])],
|
|
|
|
[CPPFLAGS="-I$withval $CPPFLAGS"])
|
|
|
|
|
|
|
|
AC_ARG_WITH([zlib-lib],
|
|
|
|
[AS_HELP_STRING([--with-zlib-lib=PATH],
|
|
|
|
[zlib lib directory])],
|
|
|
|
[LDFLAGS="-L$withval $LDFLAGS"])
|
|
|
|
|
2009-05-06 17:49:37 +00:00
|
|
|
AC_ARG_WITH([protoc],
|
|
|
|
[AS_HELP_STRING([--with-protoc=COMMAND],
|
|
|
|
[use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])],
|
|
|
|
[],[with_protoc=no])
|
|
|
|
|
2008-07-10 02:12:20 +00:00
|
|
|
# Checks for programs.
|
|
|
|
AC_PROG_CC
|
|
|
|
AC_PROG_CXX
|
2017-01-03 21:07:21 +00:00
|
|
|
AC_PROG_CXX_FOR_BUILD
|
2009-04-21 21:00:39 +00:00
|
|
|
AC_LANG([C++])
|
2008-12-04 20:34:50 +00:00
|
|
|
ACX_USE_SYSTEM_EXTENSIONS
|
2015-02-18 02:23:41 +00:00
|
|
|
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
|
2008-07-10 02:12:20 +00:00
|
|
|
AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
|
2015-11-17 15:18:49 +00:00
|
|
|
AC_PROG_OBJC
|
2008-12-04 20:34:50 +00:00
|
|
|
|
2009-08-06 20:47:45 +00:00
|
|
|
# test_util.cc takes forever to compile with GCC and optimization turned on.
|
2009-05-06 01:15:06 +00:00
|
|
|
AC_MSG_CHECKING([C++ compiler flags...])
|
2009-08-06 20:47:45 +00:00
|
|
|
AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[
|
|
|
|
AS_IF([test "$GCC" = "yes"],[
|
|
|
|
PROTOBUF_OPT_FLAG="-O2"
|
|
|
|
CXXFLAGS="${CXXFLAGS} -g"
|
|
|
|
])
|
2009-05-06 01:15:06 +00:00
|
|
|
|
|
|
|
# Protocol Buffers contains several checks that are intended to be used only
|
|
|
|
# for debugging and which might hurt performance. Most users are probably
|
|
|
|
# end users who don't want these checks, so add -DNDEBUG by default.
|
2018-05-31 17:07:28 +00:00
|
|
|
CXXFLAGS="$CXXFLAGS -std=c++11 -DNDEBUG"
|
2009-05-06 01:15:06 +00:00
|
|
|
|
|
|
|
AC_MSG_RESULT([use default: $PROTOBUF_OPT_FLAG $CXXFLAGS])
|
|
|
|
],[
|
|
|
|
AC_MSG_RESULT([use user-supplied: $CXXFLAGS])
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_SUBST(PROTOBUF_OPT_FLAG)
|
|
|
|
|
2009-05-01 21:53:10 +00:00
|
|
|
ACX_CHECK_SUNCC
|
2008-07-10 02:12:20 +00:00
|
|
|
|
2009-08-06 23:01:43 +00:00
|
|
|
# Have to do libtool after SUNCC, other wise it "helpfully" adds Crun Cstd
|
2009-08-06 20:47:45 +00:00
|
|
|
# to the link
|
|
|
|
AC_PROG_LIBTOOL
|
|
|
|
|
2017-03-10 12:25:27 +00:00
|
|
|
# Check whether the linker supports version scripts
|
|
|
|
AC_MSG_CHECKING([whether the linker supports version scripts])
|
|
|
|
save_LDFLAGS=$LDFLAGS
|
|
|
|
LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
|
|
|
|
cat > conftest.map <<EOF
|
|
|
|
{
|
|
|
|
global:
|
|
|
|
main;
|
|
|
|
local:
|
|
|
|
*;
|
|
|
|
};
|
|
|
|
EOF
|
|
|
|
AC_LINK_IFELSE(
|
|
|
|
[AC_LANG_SOURCE([int main() { return 0; }])],
|
|
|
|
[have_ld_version_script=yes; AC_MSG_RESULT(yes)],
|
|
|
|
[have_ld_version_script=no; AC_MSG_RESULT(no)])
|
|
|
|
LDFLAGS=$save_LDFLAGS
|
|
|
|
AM_CONDITIONAL([HAVE_LD_VERSION_SCRIPT], [test "$have_ld_version_script" == "yes"])
|
|
|
|
|
2008-07-10 02:12:20 +00:00
|
|
|
# Checks for header files.
|
|
|
|
AC_HEADER_STDC
|
|
|
|
AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h])
|
|
|
|
|
|
|
|
# Checks for library functions.
|
|
|
|
AC_FUNC_MEMCMP
|
|
|
|
AC_FUNC_STRTOD
|
|
|
|
AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol])
|
|
|
|
|
2009-09-15 17:15:43 +00:00
|
|
|
# Check for zlib.
|
2009-04-16 22:30:56 +00:00
|
|
|
HAVE_ZLIB=0
|
2009-09-15 17:15:43 +00:00
|
|
|
AS_IF([test "$with_zlib" != no], [
|
|
|
|
AC_MSG_CHECKING([zlib version])
|
|
|
|
|
|
|
|
# First check the zlib header version.
|
|
|
|
AC_COMPILE_IFELSE(
|
2012-12-05 00:55:16 +00:00
|
|
|
[AC_LANG_PROGRAM([[
|
2009-09-15 17:15:43 +00:00
|
|
|
#include <zlib.h>
|
|
|
|
#if !defined(ZLIB_VERNUM) || (ZLIB_VERNUM < 0x1204)
|
|
|
|
# error zlib version too old
|
|
|
|
#endif
|
2012-12-05 00:55:16 +00:00
|
|
|
]], [])], [
|
2009-09-15 17:15:43 +00:00
|
|
|
AC_MSG_RESULT([ok (1.2.0.4 or later)])
|
|
|
|
|
|
|
|
# Also need to add -lz to the linker flags and make sure this succeeds.
|
|
|
|
AC_SEARCH_LIBS([zlibVersion], [z], [
|
|
|
|
AC_DEFINE([HAVE_ZLIB], [1], [Enable classes using zlib compression.])
|
|
|
|
HAVE_ZLIB=1
|
|
|
|
], [
|
|
|
|
AS_IF([test "$with_zlib" != check], [
|
|
|
|
AC_MSG_FAILURE([--with-zlib was given, but no working zlib library was found])
|
|
|
|
])
|
|
|
|
])
|
|
|
|
], [
|
|
|
|
AS_IF([test "$with_zlib" = check], [
|
|
|
|
AC_MSG_RESULT([headers missing or too old (requires 1.2.0.4)])
|
|
|
|
], [
|
|
|
|
AC_MSG_FAILURE([--with-zlib was given, but zlib headers were not present or were too old (requires 1.2.0.4)])
|
|
|
|
])
|
|
|
|
])
|
|
|
|
])
|
2009-04-16 22:30:56 +00:00
|
|
|
AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1])
|
|
|
|
|
2019-03-25 18:00:19 +00:00
|
|
|
# Add -std=c++11 if necesssary. It is important for us to do this before the
|
|
|
|
# libatomic check below, since that also depends on C++11.
|
|
|
|
AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
|
|
|
|
|
2018-10-05 00:25:10 +00:00
|
|
|
dnl On some platforms, std::atomic needs a helper library
|
|
|
|
AC_MSG_CHECKING(whether -latomic is needed)
|
|
|
|
AC_LINK_IFELSE([AC_LANG_SOURCE([[
|
|
|
|
#include <atomic>
|
|
|
|
#include <cstdint>
|
|
|
|
std::atomic<std::int64_t> v;
|
|
|
|
int main() {
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
]])], STD_ATOMIC_NEED_LIBATOMIC=no, STD_ATOMIC_NEED_LIBATOMIC=yes)
|
|
|
|
AC_MSG_RESULT($STD_ATOMIC_NEED_LIBATOMIC)
|
|
|
|
if test "x$STD_ATOMIC_NEED_LIBATOMIC" = xyes; then
|
|
|
|
LIBATOMIC_LIBS="-latomic"
|
|
|
|
fi
|
|
|
|
AC_SUBST([LIBATOMIC_LIBS])
|
|
|
|
|
2009-05-06 17:49:37 +00:00
|
|
|
AS_IF([test "$with_protoc" != "no"], [
|
|
|
|
PROTOC=$with_protoc
|
2010-12-06 06:20:14 +00:00
|
|
|
AS_IF([test "$with_protoc" = "yes"], [
|
2009-05-06 17:49:37 +00:00
|
|
|
# No argument given. Use system protoc.
|
|
|
|
PROTOC=protoc
|
|
|
|
])
|
|
|
|
AS_IF([echo "$PROTOC" | grep -q '^@<:@^/@:>@.*/'], [
|
|
|
|
# Does not start with a slash, but contains a slash. So, it's a relative
|
|
|
|
# path (as opposed to an absolute path or an executable in $PATH).
|
|
|
|
# Since it will actually be executed from the src directory, prefix with
|
|
|
|
# the current directory. We also insert $ac_top_build_prefix in case this
|
|
|
|
# is a nested package and --with-protoc was actually given on the outer
|
|
|
|
# package's configure script.
|
|
|
|
PROTOC=`pwd`/${ac_top_build_prefix}$PROTOC
|
|
|
|
])
|
|
|
|
AC_SUBST([PROTOC])
|
|
|
|
])
|
|
|
|
AM_CONDITIONAL([USE_EXTERNAL_PROTOC], [test "$with_protoc" != "no"])
|
|
|
|
|
2016-03-18 23:56:51 +00:00
|
|
|
AX_PTHREAD
|
|
|
|
AM_CONDITIONAL([HAVE_PTHREAD], [test "x$ax_pthread_ok" = "xyes"])
|
2015-06-12 22:49:21 +00:00
|
|
|
# We still keep this for improving pbconfig.h for unsupported platforms.
|
2008-07-10 02:12:20 +00:00
|
|
|
AC_CXX_STL_HASH
|
|
|
|
|
2015-11-17 15:18:49 +00:00
|
|
|
# Enable ObjC support for conformance directory on OS X.
|
|
|
|
OBJC_CONFORMANCE_TEST=0
|
|
|
|
case "$target_os" in
|
|
|
|
darwin*)
|
|
|
|
OBJC_CONFORMANCE_TEST=1
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
AM_CONDITIONAL([OBJC_CONFORMANCE_TEST], [test $OBJC_CONFORMANCE_TEST = 1])
|
|
|
|
|
2015-06-16 01:21:48 +00:00
|
|
|
# HACK: Make gmock's configure script pick up our copy of CFLAGS and CXXFLAGS,
|
|
|
|
# since the flags added by ACX_CHECK_SUNCC must be used when compiling gmock
|
2009-12-23 22:12:22 +00:00
|
|
|
# too.
|
|
|
|
export CFLAGS
|
2009-08-10 23:52:27 +00:00
|
|
|
export CXXFLAGS
|
2018-03-26 20:54:32 +00:00
|
|
|
AC_CONFIG_SUBDIRS([third_party/googletest])
|
2009-04-21 21:00:39 +00:00
|
|
|
|
2016-04-28 01:22:22 +00:00
|
|
|
AC_CONFIG_FILES([Makefile src/Makefile benchmarks/Makefile conformance/Makefile protobuf.pc protobuf-lite.pc])
|
2008-09-30 22:11:21 +00:00
|
|
|
AC_OUTPUT
|