git.m6w6.name Git - awesomized/libmemcached/blob - m4/pandora_have_protobuf.m4

   1 dnl -*- mode: m4; c-basic-offset: 2; indent-tabs-mode: nil; -*-
   2 dnl vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   3 dnl
   4 dnl pandora-build: A pedantic build system
   5 dnl Copyright (C) 2009 Sun Microsystems, Inc.
   6 dnl This file is free software; Sun Microsystems
   7 dnl gives unlimited permission to copy and/or distribute it,
   8 dnl with or without modifications, as long as this notice is preserved.
   9 dnl
  10 dnl From Monty Taylor
  11
  12 dnl --------------------------------------------------------------------
  13 dnl  Check for Google Proto Buffers
  14 dnl --------------------------------------------------------------------
  15
  16 AC_DEFUN([_PANDORA_SEARCH_LIBPROTOBUF],[
  17   AC_REQUIRE([PANDORA_HAVE_PTHREAD])
  18
  19   AC_LANG_PUSH([C++])
  20   save_CXXFLAGS="${CXXFLAGS}"
  21   CXXFLAGS="${PTHREAD_CFLAGS} ${CXXFLAGS}"
  22   AC_LIB_HAVE_LINKFLAGS(protobuf,,
  23     [#include <google/protobuf/descriptor.h>],
  24     [google::protobuf::FileDescriptor* file;],
  25     [system])
  26   CXXFLAGS="${PTHREAD_CFLAGS} ${save_CXXFLAGS}"
  27   LIBPROTOBUF="${LIBPROTOBUF} ${PTHREAD_LIBS}"
  28   LTLIBPROTOBUF="${LTLIBPROTOBUF} ${PTHREAD_LIBS}"
  29   AC_LANG_POP()
  30 ])
  31
  32 AC_DEFUN([PANDORA_HAVE_LIBPROTOBUF],[
  33   AC_REQUIRE([_PANDORA_SEARCH_LIBPROTOBUF])
  34 ])
  35
  36 AC_DEFUN([PANDORA_REQUIRE_LIBPROTOBUF],[
  37   AC_REQUIRE([PANDORA_HAVE_LIBPROTOBUF])
  38   AS_IF([test x$ac_cv_libprotobuf = xno],
  39       AC_MSG_ERROR([libprotobuf is required for ${PACKAGE}. On Debian this can be found in libprotobuf-dev. On RedHat this can be found in protobuf-devel.]))
  40 ])
  41
  42 AC_DEFUN([PANDORA_PROTOBUF_REQUIRE_VERSION],[
  43   AC_REQUIRE([_PANDORA_SEARCH_LIBPROTOBUF])
  44   p_recent_ver=$1
  45   p_recent_ver_major=`echo $p_recent_ver | cut -f1 -d.`
  46   p_recent_ver_minor=`echo $p_recent_ver | cut -f2 -d.`
  47   p_recent_ver_patch=`echo $p_recent_ver | cut -f3 -d.`
  48   p_recent_ver_hex=`printf "%d%03d%03d" $p_recent_ver_major $p_recent_ver_minor $p_recent_ver_patch`
  49   AC_LANG_PUSH([C++])
  50   AC_CACHE_CHECK([for protobuf >= $p_recent_ver],
  51     [drizzle_cv_protobuf_recent],
  52     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  53 #include <google/protobuf/descriptor.h>
  54 #if GOOGLE_PROTOBUF_VERSION < $p_recent_ver_hex
  55 # error Your version of Protobuf is too old
  56 #endif
  57       ]])],
  58     [drizzle_cv_protobuf_recent=yes],
  59     [drizzle_cv_protobuf_recent=no])])
  60   AS_IF([test "$drizzle_cv_protobuf_recent" = "no"],[
  61     AC_MSG_ERROR([Your version of Google Protocol Buffers is too old. ${PACKAGE} requires at least version $p_recent_ver])
  62   ])
  63   AC_LANG_POP()
  64 ])
  65
  66 AC_DEFUN([_PANDORA_SEARCH_PROTOC],[
  67   AC_REQUIRE([_PANDORA_SEARCH_LIBPROTOBUF])
  68   AC_PATH_PROG([PROTOC],[protoc],[no],[$LIBPROTOBUF_PREFIX/bin:$PATH])
  69 ])
  70
  71 AC_DEFUN([PANDORA_HAVE_PROTOC],[
  72   AC_REQUIRE([_PANDORA_SEARCH_PROTOC])
  73 ])
  74
  75 AC_DEFUN([PANDORA_REQUIRE_PROTOC],[
  76   AC_REQUIRE([PANDORA_HAVE_PROTOC])
  77   AS_IF([test "x$PROTOC" = "xno"],[
  78     AC_MSG_ERROR([Couldn't find the protoc compiler. On Debian this can be found in protobuf-compiler. On RedHat this can be found in protobuf-compiler.])
  79   ])
  80 ])
  81
  82