libcilkrts/configure.ac

   1 #  Copyright (C) 2011-2016, Intel Corporation
   2 #  All rights reserved.
   3 #
   4 #  Redistribution and use in source and binary forms, with or without
   5 #  modification, are permitted provided that the following conditions
   6 #  are met:
   7 #
   8 #    * Redistributions of source code must retain the above copyright
   9 #      notice, this list of conditions and the following disclaimer.
  10 #    * Redistributions in binary form must reproduce the above copyright
  11 #      notice, this list of conditions and the following disclaimer in
  12 #      the documentation and/or other materials provided with the
  13 #      distribution.
  14 #    * Neither the name of Intel Corporation nor the names of its
  15 #      contributors may be used to endorse or promote products derived
  16 #      from this software without specific prior written permission.
  17 #
  18 #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  20 #  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  25 #  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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  29 #  POSSIBILITY OF SUCH DAMAGE.
  30 #
  31 #  *********************************************************************
  32 #
  33 #  PLEASE NOTE: This file is a downstream copy of a file mainitained in
  34 #  a repository at cilkplus.org. Changes made to this file that are not
  35 #  submitted through the contribution process detailed at
  36 #  http://www.cilkplus.org/submit-cilk-contribution will be lost the next
  37 #  time that a new version is released. Changes only submitted to the
  38 #  GNU compiler collection or posted to the git repository at
  39 #  https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
  40 #  not tracked.
  41 #
  42 #  We welcome your contributions to this open source project. Thank you
  43 #  for your assistance in helping us improve Cilk Plus.
  44
  45 AC_INIT([Cilk Runtime Library], [2.0], [cilk@intel.com])
  46 AC_PREREQ([2.64])
  47
  48 # Needed to define ${target}.  Needs to be very early to avoid annoying
  49 # warning about calling AC_ARG_PROGRAM before AC_CANONICAL_SYSTEM
  50 AC_CANONICAL_SYSTEM
  51 target_alias=${target_alias-$host_alias}
  52 AC_SUBST(target_alias)
  53
  54 AM_INIT_AUTOMAKE(foreign no-dist)
  55
  56 AM_MAINTAINER_MODE
  57
  58 AM_ENABLE_MULTILIB(, ..)
  59
  60 # Test for GNU extensions. Will define _GNU_SOURCE if they're available
  61 AC_USE_SYSTEM_EXTENSIONS
  62
  63 # Build a DLL on Windows
  64 # AC_LIBTOOL_WIN32_DLL
  65 AC_PROG_CC
  66 AC_PROG_CXX
  67 # AC_PROG_LIBTOOL
  68 # AC_CONFIG_MACRO_DIR([..])
  69 AC_CONFIG_FILES([Makefile libcilkrts.spec])
  70 AC_FUNC_ALLOCA
  71
  72 # Check for dl functions
  73 AC_CHECK_LIB(dl, dladdr,
  74              [AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])])
  75
  76 # Check whether the target supports protected visibility.
  77 save_CFLAGS="$CFLAGS"
  78 CFLAGS="$CFLAGS -Werror"
  79 AC_TRY_COMPILE([void __attribute__((visibility("protected"))) foo(void) { }],
  80                [], libcilkrts_cv_have_attribute_visibility=yes,
  81                libcilkrts_cv_have_attribute_visibility=no)
  82 CFLAGS="$save_CFLAGS"
  83 if test $libcilkrts_cv_have_attribute_visibility = yes; then
  84   AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1,
  85     [Define to 1 if the target supports __attribute__((visibility(...))).])
  86 fi
  87
  88 # Get target configury.
  89 . ${srcdir}/configure.tgt
  90 if test -n "$UNSUPPORTED"; then
  91    AC_MSG_ERROR([Configuration ${target} is unsupported.])
  92 fi
  93
  94 if test "${multilib}" = "yes"; then
  95   multilib_arg="--enable-multilib"
  96 else
  97   multilib_arg=
  98 fi
  99
 100 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
 101 AC_ARG_ENABLE([version-specific-runtime-libs],
 102   AC_HELP_STRING([--enable-version-specific-runtime-libs],
 103                  [Specify that runtime libraries should be installed in a compi
 104 ler-specific directory]),
 105   [case "$enableval" in
 106     yes) enable_version_specific_runtime_libs=yes ;;
 107     no)  enable_version_specific_runtime_libs=no ;;
 108     *)   AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs
 109 ]);;
 110    esac],
 111   [enable_version_specific_runtime_libs=no])
 112 AC_MSG_RESULT($enable_version_specific_runtime_libs)
 113
 114
 115 # Calculate toolexeclibdir
 116 # Also toolexecdir, though it's only used in toolexeclibdir
 117 case ${enable_version_specific_runtime_libs} in
 118   yes)
 119     # Need the gcc compiler version to know where to install libraries
 120     # and header files if --enable-version-specific-runtime-libs option
 121     # is selected.
 122     toolexecdir='$(libdir)/gcc/$(target_alias)'
 123     toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
 124     ;;
 125   no)
 126     if test -n "$with_cross_host" &&
 127        test x"$with_cross_host" != x"no"; then
 128       # Install a library built with a cross compiler in tooldir, not libdir.
 129       toolexecdir='$(exec_prefix)/$(target_alias)'
 130       toolexeclibdir='$(toolexecdir)/lib'
 131     else
 132       toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
 133       toolexeclibdir='$(libdir)'
 134     fi
 135     multi_os_directory=`$CC -print-multi-os-directory`
 136     case $multi_os_directory in
 137       .) ;; # Avoid trailing /.
 138       *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
 139     esac
 140     ;;
 141 esac
 142
 143 # Set config_dir based on the target.  config_dir specifies where to get
 144 # target-specific files.  The generic implementation is incomplete, but
 145 # contains information on what's needed
 146 case "${target}" in
 147
 148   i?86-*-* | x86_64-*-*)
 149     config_dir="x86"
 150     ;;
 151
 152   arm-*-*)
 153     config_dir="arm"
 154     ;;
 155
 156   sparc*-*-*)
 157     config_dir="sparc"
 158     ;;
 159
 160   *)
 161     config_dir="generic"
 162     ;;
 163
 164 esac
 165 AC_SUBST(config_dir)
 166
 167 # We have linker scripts for appropriate operating systems
 168 linux_linker_script=no
 169 case "${host}" in
 170     *-*-linux*)
 171         linux_linker_script=yes
 172         ;;
 173 esac
 174 AM_CONDITIONAL(LINUX_LINKER_SCRIPT, test "$linux_linker_script" = "yes")
 175
 176 mac_linker_script=no
 177 case "${host}" in
 178     *-*-apple*)
 179         mac_linker_script=yes
 180         ;;
 181 esac
 182 AM_CONDITIONAL(MAC_LINKER_SCRIPT, test "$mac_linker_script" = "yes")
 183
 184 AC_LIBTOOL_DLOPEN
 185 AM_PROG_LIBTOOL
 186 AC_SUBST(toolexecdir)
 187 AC_SUBST(toolexeclibdir)
 188
 189 AC_SUBST(lt_cv_dlopen_libs)
 190
 191 # Check to see if -pthread or -lpthread is needed.  Prefer the former.
 192 # Note that the CILK_SELF_SPEC in gcc.c may force -pthread.
 193 # In case the pthread.h system header is not found, this test will fail.
 194 XCFLAGS=""
 195 XLDFLAGS=""
 196 CFLAGS="$CFLAGS -pthread"
 197 AC_LINK_IFELSE(
 198  [AC_LANG_PROGRAM(
 199   [#include <pthread.h>
 200    void *g(void *d) { return NULL; }],
 201   [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
 202  [XCFLAGS=" -Wc,-pthread"],
 203  [CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
 204   AC_LINK_IFELSE(
 205    [AC_LANG_PROGRAM(
 206     [#include <pthread.h>
 207      void *g(void *d) { return NULL; }],
 208     [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
 209    [],
 210    [AC_MSG_ERROR([Pthreads are required to build libcilkrts])])])
 211
 212 # Check for pthread_{,attr_}[sg]etaffinity_np.
 213 AC_LINK_IFELSE(
 214  [AC_LANG_PROGRAM(
 215   [#include <pthread.h>],
 216   [cpu_set_t cpuset;
 217    pthread_attr_t attr;
 218    pthread_getaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
 219    if (CPU_ISSET (0, &cpuset))
 220      CPU_SET (1, &cpuset);
 221    else
 222      CPU_ZERO (&cpuset);
 223    pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
 224    pthread_attr_init (&attr);
 225    pthread_attr_getaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);
 226    pthread_attr_setaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);])],
 227   AC_DEFINE(HAVE_PTHREAD_AFFINITY_NP, 1,
 228 [       Define if pthread_{,attr_}{g,s}etaffinity_np is supported.]))
 229
 230 # Every c++ lib is linking by default with -nostdlib, which leads to the
 231 # fact, that proper pthread library will not be given at link time. We have
 232 # to hard-code that.
 233 case "${target}" in
 234
 235   *android*)
 236     XLDFLAGS="$XLDFLAGS -lc"
 237      ;;
 238   *)
 239     XLDFLAGS="$XLDFLAGS -lpthread"
 240     ;;
 241
 242 esac
 243
 244 AC_SUBST(XCFLAGS)
 245 AC_SUBST(XLDFLAGS)
 246
 247 CFLAGS="$save_CFLAGS"
 248
 249 if test $enable_shared = yes; then
 250   link_cilkrts="-lcilkrts %{static: $LIBS}"
 251 else
 252   link_cilkrts="-lcilkrts $LIBS"
 253 fi
 254 AC_SUBST(link_cilkrts)
 255
 256 # Determine what GCC version number to use in filesystem paths.
 257 GCC_BASE_VER
 258
 259 # Must be last
 260 AC_OUTPUT