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

   1 dnl  Copyright (C) 2009 Sun Microsystems, Inc.
   2 dnl This file is free software; Sun Microsystems, Inc.
   3 dnl gives unlimited permission to copy and/or distribute it,
   4 dnl with or without modifications, as long as this notice is preserved.
   5
   6 dnl Which version of the canonical setup we're using
   7 AC_DEFUN([PANDORA_CANONICAL_VERSION],[0.175])
   8
   9 AC_DEFUN([PANDORA_BLOCK_BAD_OPTIONS],[
  10   AS_IF([test "x${prefix}" = "x"],[
  11     AC_MSG_ERROR([--prefix requires an argument])
  12   ])
  13 ])
  14
  15 dnl The standard setup for how we build Pandora projects
  16 AC_DEFUN([PANDORA_CANONICAL_TARGET],[
  17   ifdef([m4_define],,[define([m4_define],   defn([define]))])
  18   ifdef([m4_undefine],,[define([m4_undefine],   defn([undefine]))])
  19   m4_define([PCT_ALL_ARGS],[$*])
  20   m4_define([PCT_REQUIRE_CXX],[no])
  21   m4_define([PCT_FORCE_GCC42],[no])
  22   m4_define([PCT_DONT_SUPPRESS_INCLUDE],[no])
  23   m4_define([PCT_NO_VC_CHANGELOG],[no])
  24   m4_define([PCT_USE_VISIBILITY],[yes])
  25   m4_foreach([pct_arg],[$*],[
  26     m4_case(pct_arg,
  27       [require-cxx], [
  28         m4_undefine([PCT_REQUIRE_CXX])
  29         m4_define([PCT_REQUIRE_CXX],[yes])
  30       ],
  31       [force-gcc42], [
  32         m4_undefine([PCT_FORCE_GCC42])
  33         m4_define([PCT_FORCE_GCC42],[yes])
  34       ],
  35       [skip-visibility], [
  36         m4_undefine([PCT_USE_VISIBILITY])
  37         m4_define([PCT_USE_VISIBILITY],[no])
  38       ],
  39       [dont-suppress-include], [
  40         m4_undefine([PCT_DONT_SUPPRESS_INCLUDE])
  41         m4_define([PCT_DONT_SUPPRESS_INCLUDE],[yes])
  42     ])
  43   ])
  44
  45   PANDORA_BLOCK_BAD_OPTIONS
  46
  47   # We need to prevent canonical target
  48   # from injecting -O2 into CFLAGS - but we won't modify anything if we have
  49   # set CFLAGS on the command line, since that should take ultimate precedence
  50   AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
  51         [CFLAGS=""])
  52   AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
  53         [CXXFLAGS=""])
  54
  55   AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability subdir-objects foreign tar-ustar])
  56
  57   m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
  58
  59   m4_if(m4_substr(m4_esyscmd(test -d gnulib && echo 0),0,1),0,[
  60     gl_EARLY
  61   ],[
  62     PANDORA_EXTENSIONS
  63   ])
  64
  65   AC_REQUIRE([AC_PROG_CC])
  66   m4_if(PCT_FORCE_GCC42, [yes], [
  67     AC_REQUIRE([PANDORA_ENSURE_GCC_VERSION])
  68   ])
  69   AC_REQUIRE([PANDORA_64BIT])
  70
  71   m4_if(PCT_NO_VC_CHANGELOG,yes,[
  72     vc_changelog=no
  73   ],[
  74     vc_changelog=yes
  75   ])
  76
  77   dnl Once we can use a modern autoconf, we can use this
  78   dnl AC_PROG_CC_C99
  79   AC_REQUIRE([AC_PROG_CXX])
  80   PANDORA_EXTENSIONS
  81   AM_PROG_CC_C_O
  82
  83
  84
  85   PANDORA_PLATFORM
  86
  87   dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
  88   dnl so we check c++98 features and fail if we don't have them, mainly
  89   dnl for that reason
  90   m4_if(PCT_REQUIRE_CXX, [yes], [
  91     AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
  92       AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
  93     ])
  94   ])
  95
  96   m4_if(m4_substr(m4_esyscmd(test -d gnulib && echo 0),0,1),0,[
  97     gl_INIT
  98     AC_CONFIG_LIBOBJ_DIR([gnulib])
  99   ])
 100
 101   PANDORA_CHECK_CXX_VERSION
 102
 103   AC_HEADER_TIME
 104   AC_STRUCT_TM
 105   AC_TYPE_SIZE_T
 106   AC_SYS_LARGEFILE
 107   PANDORA_CLOCK_GETTIME
 108
 109   AC_CHECK_HEADERS(sys/socket.h)
 110
 111   # off_t is not a builtin type
 112   AC_CHECK_SIZEOF(off_t, 4)
 113   AS_IF([test "$ac_cv_sizeof_off_t" -eq 0],[
 114     AC_MSG_ERROR("${PACKAGE} needs an off_t type.")
 115   ])
 116
 117   AC_CHECK_SIZEOF(size_t)
 118   AS_IF([test "$ac_cv_sizeof_size_t" -eq 0],[
 119     AC_MSG_ERROR("${PACKAGE} needs an size_t type.")
 120   ])
 121
 122   AC_DEFINE_UNQUOTED([SIZEOF_SIZE_T],[$ac_cv_sizeof_size_t],[Size of size_t as computed by sizeof()])
 123   AC_CHECK_SIZEOF(long long)
 124   AC_DEFINE_UNQUOTED([SIZEOF_LONG_LONG],[$ac_cv_sizeof_long_long],[Size of long long as computed by sizeof()])
 125   AC_CACHE_CHECK([if time_t is unsigned], [ac_cv_time_t_unsigned],[
 126   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 127       [[
 128 #include <time.h>
 129       ]],
 130       [[
 131       int array[(((time_t)-1) > 0) ? 1 : -1];
 132       ]])
 133     ],[
 134       ac_cv_time_t_unsigned=yes
 135     ],[
 136       ac_cv_time_t_unsigned=no
 137     ])
 138   ])
 139   AS_IF([test "$ac_cv_time_t_unsigned" = "yes"],[
 140     AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
 141   ])
 142
 143   AC_CHECK_FUNC(setsockopt, [], [AC_CHECK_LIB(socket, setsockopt)])
 144   AC_CHECK_FUNC(bind, [], [AC_CHECK_LIB(bind, bind)])
 145
 146
 147
 148   PANDORA_OPTIMIZE
 149
 150   PANDORA_HAVE_GCC_ATOMICS
 151
 152   PANDORA_WARNINGS(PCT_ALL_ARGS)
 153
 154   PANDORA_ENABLE_DTRACE
 155
 156   AC_LIB_PREFIX
 157   PANDORA_HAVE_BETTER_MALLOC
 158
 159   m4_if(m4_substr(m4_esyscmd(test -d src && echo 0),0,1),0,[
 160     AM_CPPFLAGS="-I\$(top_srcdir)/src -I\$(top_builddir)/src ${AM_CPPFLAGS}"
 161   ],[
 162     AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${AM_CPPFLAGS}"
 163   ])
 164
 165   PANDORA_USE_PIPE
 166
 167   AM_CFLAGS="-std=c99 ${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 168   AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 169
 170   AC_SUBST([AM_CFLAGS])
 171   AC_SUBST([AM_CXXFLAGS])
 172   AC_SUBST([AM_CPPFLAGS])
 173   AC_SUBST([AM_LDFLAGS])
 174
 175 ])