diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/configure.ac')
| -rw-r--r-- | third_party/protobuf/3.4.0/configure.ac | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/configure.ac b/third_party/protobuf/3.4.0/configure.ac new file mode 100644 index 0000000000..04f7eb7a4a --- /dev/null +++ b/third_party/protobuf/3.4.0/configure.ac @@ -0,0 +1,211 @@ +## 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: +# * 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 +# * src/google/protobuf/stubs/common.h +# * src/Makefile.am (Update -version-info for LDFLAGS if needed) +# +# 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.) +AC_INIT([Protocol Buffers],[3.4.0],[protobuf@googlegroups.com],[protobuf]) + +AM_MAINTAINER_MODE([enable]) + +AC_CONFIG_SRCDIR(src/google/protobuf/message.cc) +# 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 +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_MACRO_DIR([m4]) + +AC_ARG_VAR(DIST_LANG, [language to include in the distribution package (i.e., make dist)]) +case "$DIST_LANG" in + "") DIST_LANG=all ;; + all | cpp | csharp | java | python | javanano | objectivec | ruby | js | php) ;; + *) AC_MSG_FAILURE([unknown language: $DIST_LANG]) ;; +esac +AC_SUBST(DIST_LANG) + +# autoconf's default CXXFLAGS are usually "-g -O2". These aren't necessarily +# the best choice for libprotobuf. +AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"], + [CFLAGS=""]) +AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"], + [CXXFLAGS=""]) + +AC_CANONICAL_TARGET + +AM_INIT_AUTOMAKE([1.9 tar-ustar subdir-objects]) + +AC_ARG_WITH([zlib], + [AS_HELP_STRING([--with-zlib], + [include classes for streaming compressed data in and out @<:@default=check@:>@])], + [],[with_zlib=check]) + +AC_ARG_WITH([protoc], + [AS_HELP_STRING([--with-protoc=COMMAND], + [use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])], + [],[with_protoc=no]) + +# Checks for programs. +AC_PROG_CC +AC_PROG_CXX +AC_PROG_CXX_FOR_BUILD +AC_LANG([C++]) +ACX_USE_SYSTEM_EXTENSIONS +m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) +AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc +AC_PROG_OBJC + +# test_util.cc takes forever to compile with GCC and optimization turned on. +AC_MSG_CHECKING([C++ compiler flags...]) +AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[ + AS_IF([test "$GCC" = "yes"],[ + PROTOBUF_OPT_FLAG="-O2" + CXXFLAGS="${CXXFLAGS} -g" + ]) + + # Protocol Buffers contains several checks that are intended to be used only + # for debugging and which might hurt performance. Most users are probably + # end users who don't want these checks, so add -DNDEBUG by default. + CXXFLAGS="$CXXFLAGS -DNDEBUG" + + AC_MSG_RESULT([use default: $PROTOBUF_OPT_FLAG $CXXFLAGS]) +],[ + AC_MSG_RESULT([use user-supplied: $CXXFLAGS]) +]) + +AC_SUBST(PROTOBUF_OPT_FLAG) + +ACX_CHECK_SUNCC + +# Have to do libtool after SUNCC, other wise it "helpfully" adds Crun Cstd +# to the link +AC_PROG_LIBTOOL + +# Check whether the linker supports version scripts +AC_MSG_CHECKING([whether the linker supports version scripts]) +save_LDFLAGS=$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 "$have_ld_version_script" == "yes"]) + +# Checks for header files. +AC_HEADER_STDC +AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h]) + +# Checks for library functions. +AC_FUNC_MEMCMP +AC_FUNC_STRTOD +AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol]) + +# Check for zlib. +HAVE_ZLIB=0 +AS_IF([test "$with_zlib" != no], [ + AC_MSG_CHECKING([zlib version]) + + # First check the zlib header version. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include <zlib.h> + #if !defined(ZLIB_VERNUM) || (ZLIB_VERNUM < 0x1204) + # error zlib version too old + #endif + ]], [])], [ + 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)]) + ]) + ]) +]) +AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1]) + +AS_IF([test "$with_protoc" != "no"], [ + PROTOC=$with_protoc + AS_IF([test "$with_protoc" = "yes"], [ + # 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"]) + +ACX_PTHREAD +AM_CONDITIONAL([HAVE_PTHREAD], [test "x$acx_pthread_ok" = "xyes"]) + +# We still keep this for improving pbconfig.h for unsupported platforms. +AC_CXX_STL_HASH + +case "$target_os" in + mingw* | cygwin* | win*) + ;; + *) + # Need to link against rt on Solaris + AC_SEARCH_LIBS([sched_yield], [rt], [], [AC_MSG_FAILURE([sched_yield was not found on your system])]) + ;; +esac + +# 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]) + +AX_CXX_COMPILE_STDCXX([11], [noext], [optional]) + +# 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 +# too. +export CFLAGS +export CXXFLAGS +AC_CONFIG_SUBDIRS([gmock]) + +AC_CONFIG_FILES([Makefile src/Makefile benchmarks/Makefile conformance/Makefile protobuf.pc protobuf-lite.pc]) +AC_OUTPUT |