Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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123 lines
4.0 KiB
123 lines
4.0 KiB
## Process this file with autoconf to produce configure. |
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## In general, the safest way to proceed is to run ./autogen.sh |
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AC_PREREQ(2.59) |
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# Note: If you change the version, you must also update it in: |
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# * java/pom.xml |
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# * python/setup.py |
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# * src/google/protobuf/stubs/common.h |
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# * src/Makefile.am (Update -version-info for LDFLAGS if needed) |
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# |
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# In the SVN trunk, the version should always be the next anticipated release |
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# version with the "-pre" suffix. (We used to use "-SNAPSHOT" but this pushed |
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# the size of one file name in the dist tarfile over the 99-char limit.) |
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AC_INIT([Protocol Buffers],[2.2.1-pre],[protobuf@googlegroups.com],[protobuf]) |
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AC_CONFIG_SRCDIR(src/google/protobuf/message.cc) |
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AC_CONFIG_HEADERS([config.h]) |
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AC_CONFIG_MACRO_DIR([m4]) |
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# autoconf's default CXXFLAGS are usually "-g -O2". These aren't necessarily |
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# the best choice for libprotobuf. |
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AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"], |
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[CFLAGS=""]) |
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AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"], |
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[CXXFLAGS=""]) |
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AC_CANONICAL_TARGET |
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AM_INIT_AUTOMAKE |
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AC_ARG_WITH([zlib], |
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[AS_HELP_STRING([--with-zlib], |
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[include classes for streaming compressed data in and out @<:@default=check@:>@])], |
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[],[with_zlib=check]) |
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AC_ARG_WITH([protoc], |
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[AS_HELP_STRING([--with-protoc=COMMAND], |
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[use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])], |
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[],[with_protoc=no]) |
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# Checks for programs. |
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AC_PROG_CC |
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AC_PROG_CXX |
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AC_LANG([C++]) |
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ACX_USE_SYSTEM_EXTENSIONS |
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AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc |
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# test_util.cc takes forever to compile with GCC and optimization turned on. |
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AC_MSG_CHECKING([C++ compiler flags...]) |
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AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[ |
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AS_IF([test "$GCC" = "yes"],[ |
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PROTOBUF_OPT_FLAG="-O2" |
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CXXFLAGS="${CXXFLAGS} -g" |
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]) |
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# Protocol Buffers contains several checks that are intended to be used only |
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# for debugging and which might hurt performance. Most users are probably |
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# end users who don't want these checks, so add -DNDEBUG by default. |
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CXXFLAGS="$CXXFLAGS -DNDEBUG" |
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AC_MSG_RESULT([use default: $PROTOBUF_OPT_FLAG $CXXFLAGS]) |
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],[ |
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AC_MSG_RESULT([use user-supplied: $CXXFLAGS]) |
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]) |
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AC_SUBST(PROTOBUF_OPT_FLAG) |
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ACX_CHECK_SUNCC |
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# Have to do libtool after SUNCC, other wise it "helpfully" adds Crun Cstd |
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# to the link |
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AC_PROG_LIBTOOL |
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# Checks for header files. |
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AC_HEADER_STDC |
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AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h]) |
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# Checks for library functions. |
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AC_FUNC_MEMCMP |
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AC_FUNC_STRTOD |
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AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol]) |
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HAVE_ZLIB=0 |
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AS_IF([test "$with_zlib" != no], |
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[AC_SEARCH_LIBS([zlibVersion], [z], |
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[AC_DEFINE([HAVE_ZLIB], [1], [Enable classes using zlib compression.]) |
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HAVE_ZLIB=1], |
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[if test "$with_zlib" != check; then |
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AC_MSG_FAILURE([--with-zlib was given, but test for zlib failed]) |
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fi])]) |
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AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1]) |
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AS_IF([test "$with_protoc" != "no"], [ |
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PROTOC=$with_protoc |
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AS_IF([test "$with_protoc" == "yes"], [ |
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# No argument given. Use system protoc. |
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PROTOC=protoc |
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]) |
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AS_IF([echo "$PROTOC" | grep -q '^@<:@^/@:>@.*/'], [ |
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# Does not start with a slash, but contains a slash. So, it's a relative |
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# path (as opposed to an absolute path or an executable in $PATH). |
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# Since it will actually be executed from the src directory, prefix with |
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# the current directory. We also insert $ac_top_build_prefix in case this |
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# is a nested package and --with-protoc was actually given on the outer |
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# package's configure script. |
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PROTOC=`pwd`/${ac_top_build_prefix}$PROTOC |
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]) |
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AC_SUBST([PROTOC]) |
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]) |
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AM_CONDITIONAL([USE_EXTERNAL_PROTOC], [test "$with_protoc" != "no"]) |
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ACX_PTHREAD |
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AC_CXX_STL_HASH |
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# HACK: Make gtest's configure script pick up our copy of CXXFLAGS, since the |
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# flags added by ACX_CHECK_SUNCC must be used when compiling gtest too. |
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export CXXFLAGS |
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AC_CONFIG_SUBDIRS([gtest]) |
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AC_CONFIG_FILES([Makefile src/Makefile protobuf.pc protobuf-lite.pc]) |
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AC_OUTPUT
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