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],[0.167])
   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${ac_enable_fat_binaries}" = "xyes"],[
  22     enable_dependency_tracking=no
  23   ])
  24 ])
  25
  26 AC_DEFUN([PANDORA_BLOCK_BAD_OPTIONS],[
  27   AS_IF([test "x${prefix}" = "x"],[
  28     AC_MSG_ERROR([--prefix requires an argument])
  29   ])
  30 ])
  31
  32 dnl The standard setup for how we build Pandora projects
  33 AC_DEFUN([PANDORA_CANONICAL_TARGET],[
  34   AC_REQUIRE([PANDORA_FORCE_DEPEND_TRACKING])
  35   ifdef([m4_define],,[define([m4_define],   defn([define]))])
  36   ifdef([m4_undefine],,[define([m4_undefine],   defn([undefine]))])
  37   m4_define([PCT_ALL_ARGS],[$*])
  38   m4_define([PCT_REQUIRE_CXX],[no])
  39   m4_define([PCT_FORCE_GCC42],[no])
  40   m4_define([PCT_DONT_SUPPRESS_INCLUDE],[no])
  41   m4_define([PCT_NO_VC_CHANGELOG],[no])
  42   m4_define([PCT_VERSION_FROM_VC],[no])
  43   m4_define([PCT_USE_VISIBILITY],[yes])
  44   m4_foreach([pct_arg],[$*],[
  45     m4_case(pct_arg,
  46       [require-cxx], [
  47         m4_undefine([PCT_REQUIRE_CXX])
  48         m4_define([PCT_REQUIRE_CXX],[yes])
  49       ],
  50       [force-gcc42], [
  51         m4_undefine([PCT_FORCE_GCC42])
  52         m4_define([PCT_FORCE_GCC42],[yes])
  53       ],
  54       [skip-visibility], [
  55         m4_undefine([PCT_USE_VISIBILITY])
  56         m4_define([PCT_USE_VISIBILITY],[no])
  57       ],
  58       [dont-suppress-include], [
  59         m4_undefine([PCT_DONT_SUPPRESS_INCLUDE])
  60         m4_define([PCT_DONT_SUPPRESS_INCLUDE],[yes])
  61       ],
  62       [no-vc-changelog], [
  63         m4_undefine([PCT_NO_VC_CHANGELOG])
  64         m4_define([PCT_NO_VC_CHANGELOG],[yes])
  65       ],
  66       [version-from-vc], [
  67         m4_undefine([PCT_VERSION_FROM_VC])
  68         m4_define([PCT_VERSION_FROM_VC],[yes])
  69     ])
  70   ])
  71
  72   AC_CONFIG_MACRO_DIR([m4])
  73
  74   m4_if(m4_substr(m4_esyscmd(test -d src && echo 0),0,1),0,[
  75     AC_CONFIG_HEADERS([src/config.h])
  76   ],[
  77     AC_CONFIG_HEADERS([config.h])
  78   ])
  79
  80   PANDORA_BLOCK_BAD_OPTIONS
  81
  82   # We need to prevent canonical target
  83   # from injecting -O2 into CFLAGS - but we won't modify anything if we have
  84   # set CFLAGS on the command line, since that should take ultimate precedence
  85   AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
  86         [CFLAGS=""])
  87   AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
  88         [CXXFLAGS=""])
  89
  90   AC_CANONICAL_TARGET
  91
  92   m4_if(PCT_DONT_SUPRESS_INCLUDE,yes,[
  93     AM_INIT_AUTOMAKE(-Wall -Werror -Wno-portability subdir-objects foreign tar-ustar)
  94   ],[
  95     AM_INIT_AUTOMAKE(-Wall -Werror -Wno-portability nostdinc subdir-objects foreign tar-ustar)
  96   ])
  97
  98   m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
  99
 100   m4_if(m4_substr(m4_esyscmd(test -d gnulib && echo 0),0,1),0,[
 101     gl_EARLY
 102   ],[
 103     PANDORA_EXTENSIONS
 104   ])
 105
 106   AC_REQUIRE([AC_PROG_CC])
 107   m4_if(PCT_FORCE_GCC42, [yes], [
 108     AC_REQUIRE([PANDORA_ENSURE_GCC_VERSION])
 109   ])
 110   AC_REQUIRE([PANDORA_64BIT])
 111
 112   m4_if(PCT_NO_VC_CHANGELOG,yes,[
 113     vc_changelog=no
 114   ],[
 115     vc_changelog=yes
 116   ])
 117   m4_if(PCT_VERSION_FROM_VC,yes,[
 118     PANDORA_VC_VERSION
 119   ],[
 120     PANDORA_TEST_VC_DIR
 121
 122     changequote(<<, >>)dnl
 123     PANDORA_RELEASE_ID=`echo $VERSION | sed 's/[^0-9]//g'`
 124     changequote([, ])dnl
 125
 126     PANDORA_RELEASE_COMMENT=""
 127     AC_DEFINE_UNQUOTED([PANDORA_RELEASE_VERSION],["$VERSION"],
 128                        [Version of the software])
 129
 130     AC_SUBST(PANDORA_RELEASE_COMMENT)
 131     AC_SUBST(PANDORA_RELEASE_VERSION)
 132     AC_SUBST(PANDORA_RELEASE_ID)
 133   ])
 134   PANDORA_VERSION
 135
 136   dnl Once we can use a modern autoconf, we can use this
 137   dnl AC_PROG_CC_C99
 138   AC_REQUIRE([AC_PROG_CXX])
 139   PANDORA_EXTENSIONS
 140   AM_PROG_CC_C_O
 141
 142
 143
 144   PANDORA_PLATFORM
 145
 146   PANDORA_LIBTOOL
 147
 148   dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
 149   dnl so we check c++98 features and fail if we don't have them, mainly
 150   dnl for that reason
 151   PANDORA_CHECK_CXX_STANDARD
 152   m4_if(PCT_REQUIRE_CXX, [yes], [
 153     AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
 154       AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
 155     ])
 156   ])
 157   PANDORA_CXX_CSTDINT
 158   PANDORA_CXX_CINTTYPES
 159
 160   m4_if(m4_substr(m4_esyscmd(test -d gnulib && echo 0),0,1),0,[
 161     gl_INIT
 162     AC_CONFIG_LIBOBJ_DIR([gnulib])
 163   ])
 164
 165   PANDORA_CHECK_C_VERSION
 166   PANDORA_CHECK_CXX_VERSION
 167
 168   AC_C_BIGENDIAN
 169   AC_C_CONST
 170   AC_C_INLINE
 171   AC_C_VOLATILE
 172   AC_C_RESTRICT
 173
 174   AC_HEADER_TIME
 175   AC_STRUCT_TM
 176   AC_TYPE_SIZE_T
 177   AC_SYS_LARGEFILE
 178   PANDORA_CLOCK_GETTIME
 179
 180   AC_CHECK_HEADERS(sys/socket.h)
 181
 182   # off_t is not a builtin type
 183   AC_CHECK_SIZEOF(off_t, 4)
 184   AS_IF([test "$ac_cv_sizeof_off_t" -eq 0],[
 185     AC_MSG_ERROR("${PACKAGE} needs an off_t type.")
 186   ])
 187
 188   AC_CHECK_SIZEOF(size_t)
 189   AS_IF([test "$ac_cv_sizeof_size_t" -eq 0],[
 190     AC_MSG_ERROR("${PACKAGE} needs an size_t type.")
 191   ])
 192
 193   AC_DEFINE_UNQUOTED([SIZEOF_SIZE_T],[$ac_cv_sizeof_size_t],[Size of size_t as computed by sizeof()])
 194   AC_CHECK_SIZEOF(long long)
 195   AC_DEFINE_UNQUOTED([SIZEOF_LONG_LONG],[$ac_cv_sizeof_long_long],[Size of long long as computed by sizeof()])
 196   AC_CACHE_CHECK([if time_t is unsigned], [ac_cv_time_t_unsigned],[
 197   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 198       [[
 199 #include <time.h>
 200       ]],
 201       [[
 202       int array[(((time_t)-1) > 0) ? 1 : -1];
 203       ]])
 204     ],[
 205       ac_cv_time_t_unsigned=yes
 206     ],[
 207       ac_cv_time_t_unsigned=no
 208     ])
 209   ])
 210   AS_IF([test "$ac_cv_time_t_unsigned" = "yes"],[
 211     AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
 212   ])
 213
 214   AC_CACHE_CHECK([if system defines RUSAGE_THREAD], [ac_cv_rusage_thread],[
 215   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 216       [[
 217 #include <sys/time.h>
 218 #include <sys/resource.h>
 219       ]],[[
 220       int x= RUSAGE_THREAD;
 221       ]])
 222     ],[
 223       ac_cv_rusage_thread=yes
 224     ],[
 225       ac_cv_rusage_thread=no
 226     ])
 227   ])
 228   AS_IF([test "$ac_cv_rusage_thread" = "no"],[
 229     AC_DEFINE([RUSAGE_THREAD], [RUSAGE_SELF],
 230       [Define if system doesn't define])
 231   ])
 232
 233   AC_CHECK_LIBM
 234   dnl Bug on FreeBSD - LIBM check doesn't set the damn variable
 235   AC_SUBST([LIBM])
 236
 237   AC_CHECK_FUNC(setsockopt, [], [AC_CHECK_LIB(socket, setsockopt)])
 238   AC_CHECK_FUNC(bind, [], [AC_CHECK_LIB(bind, bind)])
 239
 240
 241
 242   PANDORA_OPTIMIZE
 243
 244   AC_LANG_PUSH(C++)
 245   # Test whether madvise() is declared in C++ code -- it is not on some
 246   # systems, such as Solaris
 247   AC_CHECK_DECLS([madvise], [], [], [AC_INCLUDES_DEFAULT[
 248   #if HAVE_SYS_MMAN_H
 249   #include <sys/types.h>
 250   #include <sys/mman.h>
 251   #endif
 252   ]])
 253   AC_LANG_POP()
 254
 255   PANDORA_HAVE_GCC_ATOMICS
 256
 257   m4_if(PCT_USE_VISIBILITY,[yes],[
 258     PANDORA_ENABLE_VISIBILITY
 259     ],[
 260     PANDORA_CHECK_VISIBILITY
 261   ])
 262
 263   PANDORA_HEADER_ASSERT
 264
 265   PANDORA_WARNINGS(PCT_ALL_ARGS)
 266
 267   PANDORA_ENABLE_DTRACE
 268
 269   AC_LIB_PREFIX
 270   PANDORA_HAVE_BETTER_MALLOC
 271
 272   AC_CHECK_PROGS([DOXYGEN], [doxygen])
 273   AC_CHECK_PROGS([PERL], [perl])
 274   AC_CHECK_PROGS([DPKG_GENSYMBOLS], [dpkg-gensymbols], [:])
 275   AC_CHECK_PROGS([LCOV], [lcov], [echo lcov not found])
 276   AC_CHECK_PROGS([LCOV_GENHTML], [genhtml], [echo genhtml not found])
 277
 278   AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build], [:])
 279   AS_IF([test "x${SPHINXBUILD}" != "x:"],[
 280     AC_CACHE_CHECK([if sphinx is new enough],[ac_cv_recent_sphinx],[
 281
 282     ${SPHINXBUILD} -Q -C -b man -d conftest.d . . >/dev/null 2>&1
 283     AS_IF([test $? -eq 0],[ac_cv_recent_sphinx=yes],
 284           [ac_cv_recent_sphinx=no])
 285     rm -rf conftest.d
 286     ])
 287   ])
 288
 289   AM_CONDITIONAL(HAVE_DPKG_GENSYMBOLS,[test "x${DPKG_GENSYMBOLS}" != "x:"])
 290   AM_CONDITIONAL(HAVE_SPHINX,[test "x${SPHINXBUILD}" != "x:"])
 291   AM_CONDITIONAL(HAVE_RECENT_SPHINX,[test "x${ac_cv_recent_sphinx}" = "xyes"])
 292
 293   m4_if(m4_substr(m4_esyscmd(test -d po && echo 0),0,1),0, [
 294     AM_PO_SUBDIRS
 295     IT_PROG_INTLTOOL([0.35],[no-xml])
 296
 297     GETTEXT_PACKAGE=$PACKAGE
 298     AC_CHECK_LIB(intl, libintl_gettext)
 299     AC_SUBST([GETTEXT_PACKAGE])
 300     AS_IF([test "x${USE_NLS}" = "xyes" -a "x${pandora_have_intltool}" = "xyes"],
 301           [AC_DEFINE([ENABLE_NLS],[1],[Turn on language support])
 302            AC_CONFIG_FILES([po/Makefile.in])
 303       ])
 304   ])
 305   AM_CONDITIONAL(BUILD_PO,[test "x${USE_NLS}" = "xyes" -a "x${pandora_have_intltool}" = "xyes"])
 306
 307   AS_IF([test "x${gl_LIBOBJS}" != "x"],[
 308     AS_IF([test "$GCC" = "yes"],[
 309       AM_CPPFLAGS="-isystem \${top_srcdir}/gnulib -isystem \${top_builddir}/gnulib ${AM_CPPFLAGS}"
 310     ],[
 311     AM_CPPFLAGS="-I\${top_srcdir}/gnulib -I\${top_builddir}/gnulib ${AM_CPPFLAGS}"
 312     ])
 313   ])
 314   m4_if(m4_substr(m4_esyscmd(test -d src && echo 0),0,1),0,[
 315     AM_CPPFLAGS="-I\$(top_srcdir)/src -I\$(top_builddir)/src ${AM_CPPFLAGS}"
 316   ],[
 317     AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${AM_CPPFLAGS}"
 318   ])
 319
 320   PANDORA_USE_PIPE
 321
 322   AH_TOP([
 323 #ifndef __CONFIG_H__
 324 #define __CONFIG_H__
 325
 326 /* _SYS_FEATURE_TESTS_H is Solaris, _FEATURES_H is GCC */
 327 #if defined( _SYS_FEATURE_TESTS_H) || defined(_FEATURES_H)
 328 #error "You should include config.h as your first include file"
 329 #endif
 330
 331 #include "config/top.h"
 332 ])
 333   mkdir -p config
 334   cat > config/top.h.stamp <<EOF_CONFIG_TOP
 335
 336 #if defined(i386) && !defined(__i386__)
 337 #define __i386__
 338 #endif
 339
 340 #if defined(_FILE_OFFSET_BITS)
 341 # undef _FILE_OFFSET_BITS
 342 #endif
 343 EOF_CONFIG_TOP
 344
 345   diff config/top.h.stamp config/top.h >/dev/null 2>&1 || mv config/top.h.stamp config/top.h
 346   rm -f config/top.h.stamp
 347
 348   AH_BOTTOM([
 349 #if defined(__cplusplus)
 350 # include CSTDINT_H
 351 # include CINTTYPES_H
 352 #else
 353 # include <stdint.h>
 354 # include <inttypes.h>
 355 #endif
 356
 357 #if !defined(HAVE_ULONG) && !defined(__USE_MISC)
 358 # define HAVE_ULONG 1
 359 typedef unsigned long int ulong;
 360 #endif
 361
 362 /* To hide the platform differences between MS Windows and Unix, I am
 363  * going to use the Microsoft way and #define the Microsoft-specific
 364  * functions to the unix way. Microsoft use a separate subsystem for sockets,
 365  * but Unix normally just use a filedescriptor on the same functions. It is
 366  * a lot easier to map back to the unix way with macros than going the other
 367  * way without side effect ;-)
 368  */
 369 #ifdef TARGET_OS_WINDOWS
 370 #define random() rand()
 371 #define srandom(a) srand(a)
 372 #define get_socket_errno() WSAGetLastError()
 373 #else
 374 #define INVALID_SOCKET -1
 375 #define SOCKET_ERROR -1
 376 #define closesocket(a) close(a)
 377 #define get_socket_errno() errno
 378 #endif
 379
 380 #if defined(__cplusplus)
 381 # if defined(DEBUG)
 382 #  include <cassert>
 383 #  include <cstddef>
 384 # endif
 385 template<typename To, typename From>
 386 inline To implicit_cast(From const &f) {
 387   return f;
 388 }
 389 template<typename To, typename From>     // use like this: down_cast<T*>(foo);
 390 inline To down_cast(From* f) {                   // so we only accept pointers
 391   // Ensures that To is a sub-type of From *.  This test is here only
 392   // for compile-time type checking, and has no overhead in an
 393   // optimized build at run-time, as it will be optimized away
 394   // completely.
 395   if (false) {
 396     implicit_cast<From*, To>(0);
 397   }
 398
 399 #if defined(DEBUG)
 400   assert(f == NULL || dynamic_cast<To>(f) != NULL);  // RTTI: debug mode only!
 401 #endif
 402   return static_cast<To>(f);
 403 }
 404 #endif /* defined(__cplusplus) */
 405
 406 #endif /* __CONFIG_H__ */
 407   ])
 408
 409   AM_CFLAGS="${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 410   AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
 411
 412   AC_SUBST([AM_CFLAGS])
 413   AC_SUBST([AM_CXXFLAGS])
 414   AC_SUBST([AM_CPPFLAGS])
 415   AC_SUBST([AM_LDFLAGS])
 416
 417 ])