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/thirdparty/breakpad/third_party/protobuf/protobuf/configure.ac

http://github.com/tomahawk-player/tomahawk
m4 | 149 lines | 85 code | 25 blank | 39 comment | 0 complexity | 1302ee7dac68cf943df3f93603e4fdab MD5 | raw file
  1## Process this file with autoconf to produce configure.
  2## In general, the safest way to proceed is to run ./autogen.sh
  3
  4AC_PREREQ(2.59)
  5
  6# Note:  If you change the version, you must also update it in:
  7# * java/pom.xml
  8# * python/setup.py
  9# * src/google/protobuf/stubs/common.h
 10# * src/Makefile.am (Update -version-info for LDFLAGS if needed)
 11#
 12# In the SVN trunk, the version should always be the next anticipated release
 13# version with the "-pre" suffix.  (We used to use "-SNAPSHOT" but this pushed
 14# the size of one file name in the dist tarfile over the 99-char limit.)
 15AC_INIT([Protocol Buffers],[2.4.2-pre],[protobuf@googlegroups.com],[protobuf])
 16
 17
 18AC_CONFIG_SRCDIR(src/google/protobuf/message.cc)
 19AC_CONFIG_HEADERS([config.h])
 20AC_CONFIG_MACRO_DIR([m4])
 21
 22# autoconf's default CXXFLAGS are usually "-g -O2".  These aren't necessarily
 23# the best choice for libprotobuf.
 24AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
 25      [CFLAGS=""])
 26AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
 27      [CXXFLAGS=""])
 28
 29AC_CANONICAL_TARGET
 30
 31AM_INIT_AUTOMAKE
 32
 33AC_ARG_WITH([zlib],
 34  [AS_HELP_STRING([--with-zlib],
 35    [include classes for streaming compressed data in and out @<:@default=check@:>@])],
 36  [],[with_zlib=check])
 37
 38AC_ARG_WITH([protoc],
 39  [AS_HELP_STRING([--with-protoc=COMMAND],
 40    [use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])],
 41  [],[with_protoc=no])
 42
 43# Checks for programs.
 44AC_PROG_CC
 45AC_PROG_CXX
 46AC_LANG([C++])
 47ACX_USE_SYSTEM_EXTENSIONS
 48AM_CONDITIONAL(GCC, test "$GCC" = yes)   # let the Makefile know if we're gcc
 49
 50# test_util.cc takes forever to compile with GCC and optimization turned on.
 51AC_MSG_CHECKING([C++ compiler flags...])
 52AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[
 53  AS_IF([test "$GCC" = "yes"],[
 54    PROTOBUF_OPT_FLAG="-O2"
 55    CXXFLAGS="${CXXFLAGS} -g"
 56  ])
 57
 58  # Protocol Buffers contains several checks that are intended to be used only
 59  # for debugging and which might hurt performance.  Most users are probably
 60  # end users who don't want these checks, so add -DNDEBUG by default.
 61  CXXFLAGS="$CXXFLAGS -DNDEBUG"
 62
 63  AC_MSG_RESULT([use default: $PROTOBUF_OPT_FLAG $CXXFLAGS])
 64],[
 65  AC_MSG_RESULT([use user-supplied: $CXXFLAGS])
 66])
 67
 68AC_SUBST(PROTOBUF_OPT_FLAG)
 69
 70ACX_CHECK_SUNCC
 71
 72# Have to do libtool after SUNCC, other wise it "helpfully" adds Crun Cstd
 73# to the link
 74AC_PROG_LIBTOOL
 75
 76# Checks for header files.
 77AC_HEADER_STDC
 78AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h])
 79
 80# Checks for library functions.
 81AC_FUNC_MEMCMP
 82AC_FUNC_STRTOD
 83AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol])
 84
 85# Check for zlib.
 86HAVE_ZLIB=0
 87AS_IF([test "$with_zlib" != no], [
 88  AC_MSG_CHECKING([zlib version])
 89
 90  # First check the zlib header version.
 91  AC_COMPILE_IFELSE(
 92    AC_LANG_PROGRAM([[
 93        #include <zlib.h>
 94        #if !defined(ZLIB_VERNUM) || (ZLIB_VERNUM < 0x1204)
 95        # error zlib version too old
 96        #endif
 97        ]], []), [
 98    AC_MSG_RESULT([ok (1.2.0.4 or later)])
 99
100    # Also need to add -lz to the linker flags and make sure this succeeds.
101    AC_SEARCH_LIBS([zlibVersion], [z], [
102      AC_DEFINE([HAVE_ZLIB], [1], [Enable classes using zlib compression.])
103      HAVE_ZLIB=1
104    ], [
105      AS_IF([test "$with_zlib" != check], [
106        AC_MSG_FAILURE([--with-zlib was given, but no working zlib library was found])
107      ])
108    ])
109  ], [
110    AS_IF([test "$with_zlib" = check], [
111      AC_MSG_RESULT([headers missing or too old (requires 1.2.0.4)])
112    ], [
113      AC_MSG_FAILURE([--with-zlib was given, but zlib headers were not present or were too old (requires 1.2.0.4)])
114    ])
115  ])
116])
117AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1])
118
119AS_IF([test "$with_protoc" != "no"], [
120  PROTOC=$with_protoc
121  AS_IF([test "$with_protoc" = "yes"], [
122    # No argument given.  Use system protoc.
123    PROTOC=protoc
124  ])
125  AS_IF([echo "$PROTOC" | grep -q '^@<:@^/@:>@.*/'], [
126    # Does not start with a slash, but contains a slash.  So, it's a relative
127    # path (as opposed to an absolute path or an executable in $PATH).
128    # Since it will actually be executed from the src directory, prefix with
129    # the current directory.  We also insert $ac_top_build_prefix in case this
130    # is a nested package and --with-protoc was actually given on the outer
131    # package's configure script.
132    PROTOC=`pwd`/${ac_top_build_prefix}$PROTOC
133  ])
134  AC_SUBST([PROTOC])
135])
136AM_CONDITIONAL([USE_EXTERNAL_PROTOC], [test "$with_protoc" != "no"])
137
138ACX_PTHREAD
139AC_CXX_STL_HASH
140
141# HACK:  Make gtest's configure script pick up our copy of CFLAGS and CXXFLAGS,
142#   since the flags added by ACX_CHECK_SUNCC must be used when compiling gtest
143#   too.
144export CFLAGS
145export CXXFLAGS
146AC_CONFIG_SUBDIRS([gtest])
147
148AC_CONFIG_FILES([Makefile src/Makefile protobuf.pc protobuf-lite.pc])
149AC_OUTPUT