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

   1 dnl  Copyright (C) 2009 Sun Microsystems
   2 dnl This file is free software; Sun Microsystems
   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],[0.92])
   8
   9 AC_DEFUN([PANDORA_FORCE_DEPEND_TRACKING],[
  10   AC_ARG_ENABLE([fat-binaries],
  11     [AS_HELP_STRING([--enable-fat-binaries],
  12       [Enable fat binary support on OSX @<:@default=off@:>@])],
  13     [ac_enable_fat_binaries="$enableval"],
  14     [ac_enable_fat_binaries="no"])
  15
  16   dnl Force dependency tracking on for Sun Studio builds
  17   AS_IF([test "x${enable_dependency_tracking}" = "x"],[
  18     enable_dependency_tracking=yes
  19   ])
  20   dnl If we're building OSX Fat Binaries, we have to turn off -M options
  21   AS_IF([test "x${ac_enable_fat_binaries}" = "xyes"],[
  22     enable_dependency_tracking=no
  23   ])
  24 ])
  25
  26 dnl The standard setup for how we build Pandora projects
  27 AC_DEFUN([PANDORA_CANONICAL_TARGET],[
  28   AC_REQUIRE([PANDORA_FORCE_DEPEND_TRACKING])
  29   ifdef([m4_define],,[define([m4_define],   defn([define]))])
  30   ifdef([m4_undefine],,[define([m4_undefine],   defn([undefine]))])
  31   m4_define([PCT_ALL_ARGS],[$*])
  32   m4_define([PCT_USE_GNULIB],[no])
  33   m4_define([PCT_REQUIRE_CXX],[no])
  34   m4_define([PCT_IGNORE_SHARED_PTR],[no])
  35   m4_define([PCT_FORCE_GCC42],[no])
  36   m4_define([PCT_SRC_IN_SRC],[no])
  37   m4_define([PCT_VERSION_FROM_VC],[no])
  38   m4_define([PCT_USE_VISIBILITY],[yes])
  39   m4_foreach([pct_arg],[$*],[
  40     m4_case(pct_arg,
  41       [use-gnulib], [
  42         m4_undefine([PCT_USE_GNULIB])
  43         m4_define([PCT_USE_GNULIB],[yes])
  44       ],
  45       [require-cxx], [
  46         m4_undefine([PCT_REQUIRE_CXX])
  47         m4_define([PCT_REQUIRE_CXX],[yes])
  48       ],
  49       [ignore-shared-ptr], [
  50         m4_undefine([PCT_IGNORE_SHARED_PTR])
  51         m4_define([PCT_IGNORE_SHARED_PTR],[yes])
  52       ],
  53       [force-gcc42], [
  54         m4_undefine([PCT_FORCE_GCC42])
  55         m4_define([PCT_FORCE_GCC42],[yes])
  56       ],
  57       [skip-visibility], [
  58         m4_undefine([PCT_USE_VISIBILITY])
  59         m4_define([PCT_USE_VISIBILITY],[no])
  60       ],
  61       [src-in-src], [
  62         m4_undefine([PCT_SRC_IN_SRC])
  63         m4_define([PCT_SRC_IN_SRC],[yes])
  64       ],
  65       [version-from-vc], [
  66         m4_undefine([PCT_VERSION_FROM_VC])
  67         m4_define([PCT_VERSION_FROM_VC],[yes])
  68     ])
  69   ])
  70
  71   # We need to prevent canonical target
  72   # from injecting -O2 into CFLAGS - but we won't modify anything if we have
  73   # set CFLAGS on the command line, since that should take ultimate precedence
  74   AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
  75         [CFLAGS=""])
  76   AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
  77         [CXXFLAGS=""])
  78
  79   AC_CANONICAL_TARGET
  80
  81   AM_INIT_AUTOMAKE(-Wall -Werror nostdinc subdir-objects foreign)
  82   m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
  83
  84   m4_if(PCT_USE_GNULIB,yes,[ gl_EARLY ])
  85
  86   AC_REQUIRE([AC_PROG_CC])
  87   AC_REQUIRE([PANDORA_MAC_GCC42])
  88   AC_REQUIRE([PANDORA_64BIT])
  89
  90   m4_if(PCT_VERSION_FROM_VC,yes,[
  91     PANDORA_VC_VERSION
  92   ])
  93   PANDORA_VERSION
  94
  95   dnl Once we can use a modern autoconf, we can use this
  96   dnl AC_PROG_CC_C99
  97   AC_REQUIRE([AC_PROG_CXX])
  98   PANDORA_EXTENSIONS
  99   AM_PROG_CC_C_O
 100
 101
 102   m4_if(PCT_FORCE_GCC42, [yes], [
 103     AS_IF([test "$GCC" = "yes"], PANDORA_ENSURE_GCC_VERSION)
 104   ])
 105
 106   PANDORA_PLATFORM
 107
 108   PANDORA_LIBTOOL
 109
 110   dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
 111   dnl so we check c++98 features and fail if we don't have them, mainly
 112   dnl for that reason
 113   PANDORA_CHECK_CXX_STANDARD
 114   m4_if(PCT_REQUIRE_CXX, [yes], [
 115     AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
 116       AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
 117     ])
 118
 119   ])
 120
 121   PANDORA_SHARED_PTR
 122   m4_if(PCT_IGNORE_SHARED_PTR, [no], [
 123     AS_IF([test "$ac_cv_shared_ptr_namespace" = "missing"],[
 124       AC_MSG_WARN([a usable shared_ptr implementation was not found. Let someone know what your platform is.])
 125     ])
 126   ])
 127
 128   m4_if(PCT_USE_GNULIB, [yes], [
 129     gl_INIT
 130     AC_CONFIG_LIBOBJ_DIR([gnulib])
 131   ])
 132
 133   PANDORA_CHECK_C_VERSION
 134   PANDORA_CHECK_CXX_VERSION
 135
 136   AC_C_BIGENDIAN
 137   AC_C_CONST
 138   AC_C_INLINE
 139   AC_C_VOLATILE
 140   AC_C_RESTRICT
 141
 142   AC_HEADER_TIME
 143   AC_TYPE_SIZE_T
 144   AC_SYS_LARGEFILE
 145
 146   # off_t is not a builtin type
 147   AC_CHECK_SIZEOF(off_t, 4)
 148   AS_IF([test "$ac_cv_sizeof_off_t" -eq 0],[
 149     AC_MSG_ERROR("${PACKAGE} needs an off_t type.")
 150   ])
 151
 152   AC_CHECK_SIZEOF(size_t)
 153   AS_IF([test "$ac_cv_sizeof_size_t" -eq 0],[
 154     AC_MSG_ERROR("${PACKAGE} needs an size_t type.")
 155   ])
 156
 157   AC_DEFINE_UNQUOTED([SIZEOF_SIZE_T],[$ac_cv_sizeof_size_t],[Size of size_t as computed by sizeof()])
 158   AC_CHECK_SIZEOF(long long)
 159   AC_DEFINE_UNQUOTED([SIZEOF_LONG_LONG],[$ac_cv_sizeof_long_long],[Size of long long as computed by sizeof()])
 160   AC_CACHE_CHECK([if time_t is unsigned], [ac_cv_time_t_unsigned],[
 161   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 162       [[
 163 #include <time.h>
 164       ]],
 165       [[
 166       int array[(((time_t)-1) > 0) ? 1 : -1];
 167       ]])
 168     ],[
 169       ac_cv_time_t_unsigned=yes
 170     ],[
 171       ac_cv_time_t_unsigned=no
 172     ])
 173   ])
 174   AS_IF([test "$ac_cv_time_t_unsigned" = "yes"],[
 175     AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
 176   ])
 177
 178   dnl AC_FUNC_ALLOCA would test for stack direction if we didn't have a working
 179   dnl alloca - but we need to know it anyway for check_stack_overrun.
 180   PANDORA_STACK_DIRECTION
 181
 182   AC_CHECK_LIBM
 183
 184   AC_CHECK_FUNC(setsockopt, [], [AC_CHECK_LIB(socket, setsockopt)])
 185   AC_CHECK_FUNC(bind, [], [AC_CHECK_LIB(bind, bind)])
 186
 187
 188
 189   PANDORA_OPTIMIZE
 190
 191   AC_LANG_PUSH(C++)
 192   # Test whether madvise() is declared in C++ code -- it is not on some
 193   # systems, such as Solaris
 194   AC_CHECK_DECLS([madvise], [], [], [AC_INCLUDES_DEFAULT[
 195   #if HAVE_SYS_MMAN_H
 196   #include <sys/types.h>
 197   #include <sys/mman.h>
 198   #endif
 199   ]])
 200   AC_LANG_POP()
 201
 202   PANDORA_HAVE_GCC_ATOMICS
 203
 204   m4_if(PCT_USE_VISIBILITY,[yes],[
 205     dnl We need to inject error into the cflags to test if visibility works or not
 206     save_CFLAGS="${CFLAGS}"
 207     CFLAGS="${CFLAGS} -Werror"
 208     PANDORA_VISIBILITY
 209     CFLAGS="${save_CFLAGS}"
 210   ])
 211
 212   PANDORA_HEADER_ASSERT
 213
 214   PANDORA_WARNINGS(PCT_ALL_ARGS)
 215
 216   PANDORA_ENABLE_DTRACE
 217
 218   AC_LIB_PREFIX
 219   PANDORA_HAVE_BETTER_MALLOC
 220
 221   AC_CHECK_PROGS([DOXYGEN], [doxygen])
 222   AC_CHECK_PROGS([PERL], [perl])
 223
 224   AS_IF([test "x${gl_LIBOBJS}" != "x"],[
 225     AS_IF([test "$GCC" = "yes"],[
 226       AM_CPPFLAGS="-isystem \$(top_srcdir)/gnulib -isystem \$(top_builddir)/gnulib ${AM_CPPFLAGS}"
 227     ],[
 228     AM_CPPFLAGS="-I\$(top_srcdir)/gnulib -I\$(top_builddir)/gnulib ${AM_CPPFLAGS}"
 229     ])
 230   ])
 231   AS_IF([test "PCT_SRC_IN_SRC" = "yes"],[
 232     AM_CPPFLAGS="-I\$(top_srcdir)/src -I\$(top_builddir)/src ${AM_CPPFLAGS}"
 233   ])
 234
 235   PANDORA_USE_PIPE
 236
 237
 238   AM_CPPFLAGS="-I\${top_srcdir} -I\${top_builddir} ${AM_CPPFLAGS}"
 239   AM_CFLAGS="${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 240   AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 241
 242   AC_SUBST([AM_CFLAGS])
 243   AC_SUBST([AM_CXXFLAGS])
 244   AC_SUBST([AM_CPPFLAGS])
 245   AC_SUBST([AM_LDFLAGS])
 246
 247 ])