Mercurial > hg > CbC > CbC_gcc
annotate libgomp/configure.ac @ 138:fc828634a951
merge
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 08 Nov 2018 14:17:14 +0900 |
| parents | 84e7813d76e9 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 # Process this file with autoconf to produce a configure script, like so: |
| 2 # aclocal -I ../config && autoconf && autoheader && automake | |
| 3 | |
|
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4 AC_PREREQ(2.64) |
| 111 | 5 AC_INIT([GNU Offloading and Multi Processing Runtime Library], 1.0,,[libgomp]) |
| 0 | 6 AC_CONFIG_HEADER(config.h) |
| 7 | |
| 8 # ------- | |
| 9 # Options | |
| 10 # ------- | |
| 11 | |
| 12 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) | |
| 13 LIBGOMP_ENABLE(version-specific-runtime-libs, no, , | |
| 14 [Specify that runtime libraries should be installed in a compiler-specific directory], | |
| 15 permit yes|no) | |
| 16 AC_MSG_RESULT($enable_version_specific_runtime_libs) | |
| 17 | |
| 18 # We would like our source tree to be readonly. However when releases or | |
| 19 # pre-releases are generated, the flex/bison generated files as well as the | |
| 20 # various formats of manuals need to be included along with the rest of the | |
| 21 # sources. Therefore we have --enable-generated-files-in-srcdir to do | |
| 22 # just that. | |
| 23 AC_MSG_CHECKING([for --enable-generated-files-in-srcdir]) | |
| 24 LIBGOMP_ENABLE(generated-files-in-srcdir, no, , | |
| 25 [put copies of generated files in source dir intended for creating source | |
| 26 tarballs for users without texinfo bison or flex.], | |
| 27 permit yes|no) | |
| 28 AC_MSG_RESULT($enable_generated_files_in_srcdir) | |
| 29 AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes) | |
| 30 | |
| 31 | |
| 32 # ------- | |
| 33 # ------- | |
| 34 | |
| 35 # Gets build, host, target, *_vendor, *_cpu, *_os, etc. | |
| 36 # | |
| 37 # You will slowly go insane if you do not grok the following fact: when | |
| 38 # building this library, the top-level /target/ becomes the library's /host/. | |
| 39 # | |
| 40 # configure then causes --target to default to --host, exactly like any | |
| 41 # other package using autoconf. Therefore, 'target' and 'host' will | |
| 42 # always be the same. This makes sense both for native and cross compilers | |
| 43 # just think about it for a little while. :-) | |
| 44 # | |
| 45 # Also, if this library is being configured as part of a cross compiler, the | |
| 46 # top-level configure script will pass the "real" host as $with_cross_host. | |
| 47 # | |
| 48 # Do not delete or change the following two lines. For why, see | |
| 49 # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html | |
| 50 AC_CANONICAL_SYSTEM | |
| 51 target_alias=${target_alias-$host_alias} | |
| 52 | |
| 53 # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the | |
| 54 # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. | |
| 55 # 1.9.0: minimum required version | |
| 56 # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch | |
| 57 # of other PACKAGE_* variables will, however, and there's nothing | |
| 58 # we can do about that; they come from AC_INIT). | |
| 59 # foreign: we don't follow the normal rules for GNU packages (no COPYING | |
| 60 # file in the top srcdir, etc, etc), so stop complaining. | |
|
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61 # no-dist: we don't want 'dist' and related rules. |
| 0 | 62 # -Wall: turns on all automake warnings... |
| 63 # -Wno-portability: ...except this one, since GNU make is required. | |
| 64 # -Wno-override: ... and this one, since we do want this in testsuite. | |
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65 AM_INIT_AUTOMAKE([1.9.0 foreign no-dist -Wall -Wno-portability -Wno-override]) |
| 0 | 66 AM_ENABLE_MULTILIB(, ..) |
| 67 | |
| 68 # Calculate toolexeclibdir | |
| 69 # Also toolexecdir, though it's only used in toolexeclibdir | |
| 70 case ${enable_version_specific_runtime_libs} in | |
| 71 yes) | |
| 72 # Need the gcc compiler version to know where to install libraries | |
| 73 # and header files if --enable-version-specific-runtime-libs option | |
| 74 # is selected. | |
| 75 toolexecdir='$(libdir)/gcc/$(target_alias)' | |
| 76 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' | |
| 77 ;; | |
| 78 no) | |
| 79 if test -n "$with_cross_host" && | |
| 80 test x"$with_cross_host" != x"no"; then | |
| 81 # Install a library built with a cross compiler in tooldir, not libdir. | |
| 82 toolexecdir='$(exec_prefix)/$(target_alias)' | |
| 83 toolexeclibdir='$(toolexecdir)/lib' | |
| 84 else | |
| 85 toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
| 86 toolexeclibdir='$(libdir)' | |
| 87 fi | |
| 88 multi_os_directory=`$CC -print-multi-os-directory` | |
| 89 case $multi_os_directory in | |
| 90 .) ;; # Avoid trailing /. | |
| 91 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
| 92 esac | |
| 93 ;; | |
| 94 esac | |
| 95 AC_SUBST(toolexecdir) | |
| 96 AC_SUBST(toolexeclibdir) | |
| 97 | |
| 98 # Check the compiler. | |
| 99 # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
| 100 # We must force CC to /not/ be precious variables; otherwise | |
| 101 # the wrong, non-multilib-adjusted value will be used in multilibs. | |
| 102 # As a side effect, we have to subst CFLAGS ourselves. | |
| 103 | |
| 104 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
| 105 m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
| 106 AC_PROG_CC | |
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107 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
| 0 | 108 |
| 109 AC_SUBST(CFLAGS) | |
| 110 | |
| 111 # In order to override CFLAGS_FOR_TARGET, all of our special flags go | |
| 112 # in XCFLAGS. But we need them in CFLAGS during configury. So put them | |
| 113 # in both places for now and restore CFLAGS at the end of config. | |
| 114 save_CFLAGS="$CFLAGS" | |
| 115 | |
| 116 # Add -Wall -Werror if we are using GCC. | |
| 117 if test "x$GCC" = "xyes"; then | |
| 118 XCFLAGS="$XCFLAGS -Wall -Werror" | |
| 119 fi | |
| 120 | |
| 121 # Find other programs we need. | |
| 122 AC_CHECK_TOOL(AR, ar) | |
| 123 AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) | |
| 124 AC_PATH_PROG(PERL, perl, perl-not-found-in-path-error) | |
| 125 AC_PROG_MAKE_SET | |
| 126 AC_PROG_INSTALL | |
| 127 | |
| 128 # See if makeinfo has been installed and is modern enough | |
| 129 # that we can use it. | |
| 130 ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version], | |
| 131 [GNU texinfo.* \([0-9][0-9.]*\)], | |
| 132 [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*]) | |
| 133 AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes") | |
| 134 | |
| 135 | |
| 136 # Configure libtool | |
| 137 AM_PROG_LIBTOOL | |
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138 ACX_LT_HOST_FLAGS |
| 0 | 139 AC_SUBST(enable_shared) |
| 140 AC_SUBST(enable_static) | |
| 141 | |
| 142 AM_MAINTAINER_MODE | |
| 143 | |
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144 # Create a spec file, so that compile/link tests don't fail |
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145 test -f libgfortran.spec || touch libgfortran.spec |
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146 FCFLAGS="$FCFLAGS -L." |
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147 |
| 0 | 148 # We need gfortran to compile parts of the library |
| 149 # We can't use AC_PROG_FC because it expects a fully working gfortran. | |
| 150 #AC_PROG_FC(gfortran) | |
|
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151 case `echo $GFORTRAN` in |
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152 -* | no* ) |
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153 FC=no ;; |
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154 *) |
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155 set dummy $GFORTRAN; ac_word=$2 |
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156 if test -x "$ac_word"; then |
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157 FC="$GFORTRAN" |
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158 else |
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159 FC=no |
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160 fi ;; |
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161 esac |
| 0 | 162 AC_PROG_FC(gfortran) |
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163 FCFLAGS="$FCFLAGS -Wall -L../libgfortran" |
| 0 | 164 |
| 165 # For libtool versioning info, format is CURRENT:REVISION:AGE | |
| 166 libtool_VERSION=1:0:0 | |
| 167 AC_SUBST(libtool_VERSION) | |
| 168 | |
| 169 # Check header files. | |
| 170 AC_STDC_HEADERS | |
| 171 AC_HEADER_TIME | |
| 172 ACX_HEADER_STRING | |
| 111 | 173 AC_CHECK_HEADERS(pthread.h unistd.h semaphore.h sys/loadavg.h sys/sysctl.h sys/time.h) |
| 0 | 174 |
| 175 GCC_HEADER_STDINT(gstdint.h) | |
| 176 | |
| 177 XPCFLAGS="" | |
| 111 | 178 case "$host" in |
| 179 *-*-rtems*) | |
| 180 # RTEMS supports Pthreads, but the library is not available at GCC build time. | |
| 181 ;; | |
| 182 nvptx*-*-*) | |
| 183 # NVPTX does not support Pthreads, has its own code replacement. | |
| 184 libgomp_use_pthreads=no | |
| 185 # NVPTX is an accelerator-only target | |
| 186 libgomp_offloaded_only=yes | |
| 187 ;; | |
| 188 *) | |
| 189 # Check to see if -pthread or -lpthread is needed. Prefer the former. | |
| 190 # In case the pthread.h system header is not found, this test will fail. | |
| 191 CFLAGS="$CFLAGS -pthread" | |
| 192 AC_LINK_IFELSE( | |
| 193 [AC_LANG_PROGRAM( | |
| 194 [#include <pthread.h> | |
| 195 void *g(void *d) { return NULL; }], | |
| 196 [pthread_t t; pthread_create(&t,NULL,g,NULL);])], | |
| 197 [XPCFLAGS=" -Wc,-pthread"], | |
| 198 [CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS" | |
| 199 AC_LINK_IFELSE( | |
| 200 [AC_LANG_PROGRAM( | |
| 201 [#include <pthread.h> | |
| 202 void *g(void *d) { return NULL; }], | |
| 203 [pthread_t t; pthread_create(&t,NULL,g,NULL);])], | |
| 204 [], | |
| 205 [AC_MSG_ERROR([Pthreads are required to build libgomp])])]) | |
| 206 esac | |
| 207 | |
| 208 if test x$libgomp_use_pthreads != xno; then | |
| 209 AC_DEFINE(LIBGOMP_USE_PTHREADS, 1, | |
| 210 [Define to 1 if libgomp should use POSIX threads.]) | |
| 211 fi | |
| 212 | |
| 213 if test x$libgomp_offloaded_only = xyes; then | |
| 214 AC_DEFINE(LIBGOMP_OFFLOADED_ONLY, 1, | |
| 215 [Define to 1 if building libgomp for an accelerator-only target.]) | |
| 216 fi | |
| 217 | |
| 218 m4_include([plugin/configfrag.ac]) | |
| 0 | 219 |
| 220 # Check for functions needed. | |
| 221 AC_CHECK_FUNCS(getloadavg clock_gettime strtoull) | |
| 222 | |
| 223 # Check for broken semaphore implementation on darwin. | |
| 224 # sem_init returns: sem_init error: Function not implemented. | |
| 225 case "$host" in | |
| 226 *-darwin*) | |
| 227 AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1, | |
| 228 Define if the POSIX Semaphores do not work on your system.) | |
| 229 ;; | |
| 230 esac | |
| 231 | |
| 111 | 232 # RTEMS specific checks |
| 233 case "$host" in | |
| 234 *-*-rtems*) | |
| 235 AC_CHECK_TYPES([struct _Mutex_Control],[],[],[#include <sys/lock.h>]) | |
| 236 ;; | |
| 237 esac | |
| 238 | |
| 0 | 239 GCC_LINUX_FUTEX(:) |
| 240 | |
| 241 # Check for pthread_{,attr_}[sg]etaffinity_np. | |
| 242 AC_LINK_IFELSE( | |
| 243 [AC_LANG_PROGRAM( | |
| 244 [#define _GNU_SOURCE | |
| 245 #include <pthread.h>], | |
| 246 [cpu_set_t cpuset; | |
| 247 pthread_attr_t attr; | |
| 248 pthread_getaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset); | |
| 249 if (CPU_ISSET (0, &cpuset)) | |
| 250 CPU_SET (1, &cpuset); | |
| 251 else | |
| 252 CPU_ZERO (&cpuset); | |
| 253 pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset); | |
| 254 pthread_attr_init (&attr); | |
| 255 pthread_attr_getaffinity_np (&attr, sizeof (cpu_set_t), &cpuset); | |
| 256 pthread_attr_setaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);])], | |
| 257 AC_DEFINE(HAVE_PTHREAD_AFFINITY_NP, 1, | |
| 258 [ Define if pthread_{,attr_}{g,s}etaffinity_np is supported.])) | |
| 259 | |
| 260 # At least for glibc, clock_gettime is in librt. But don't pull that | |
| 261 # in if it still doesn't give us the function we want. | |
| 262 if test $ac_cv_func_clock_gettime = no; then | |
| 263 AC_CHECK_LIB(rt, clock_gettime, | |
| 264 [LIBS="-lrt $LIBS" | |
| 265 AC_DEFINE(HAVE_CLOCK_GETTIME, 1, | |
| 266 [Define to 1 if you have the `clock_gettime' function.])]) | |
| 267 fi | |
| 268 | |
| 269 # See if we support thread-local storage. | |
| 270 GCC_CHECK_TLS | |
| 271 | |
| 111 | 272 # See if we have emulated thread-local storage. |
| 273 GCC_CHECK_EMUTLS | |
| 274 | |
| 275 # See what sort of export controls are available. | |
| 0 | 276 LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY |
| 277 LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT | |
| 278 LIBGOMP_CHECK_ATTRIBUTE_ALIAS | |
| 279 LIBGOMP_ENABLE_SYMVERS | |
| 280 | |
| 281 if test $enable_symvers = gnu; then | |
| 282 AC_DEFINE(LIBGOMP_GNU_SYMBOL_VERSIONING, 1, | |
| 283 [Define to 1 if GNU symbol versioning is used for libgomp.]) | |
| 284 fi | |
| 285 | |
| 286 # Get target configury. | |
| 287 . ${srcdir}/configure.tgt | |
| 288 CFLAGS="$save_CFLAGS $XCFLAGS" | |
| 289 | |
| 290 # Check for __sync_val_compare_and_swap, but only after the target has | |
| 291 # had a chance to set XCFLAGS. | |
| 292 LIBGOMP_CHECK_SYNC_BUILTINS | |
| 293 | |
| 294 XCFLAGS="$XCFLAGS$XPCFLAGS" | |
| 295 | |
| 131 | 296 # Add CET specific flags if CET is enabled |
| 297 GCC_CET_FLAGS(CET_FLAGS) | |
| 298 XCFLAGS="$XCFLAGS $CET_FLAGS" | |
| 299 FCFLAGS="$FCFLAGS $CET_FLAGS" | |
| 300 | |
| 0 | 301 AC_SUBST(config_path) |
| 302 AC_SUBST(XCFLAGS) | |
| 303 AC_SUBST(XLDFLAGS) | |
| 304 | |
| 305 # Cleanup and exit. | |
| 306 CFLAGS="$save_CFLAGS" | |
| 307 AC_CACHE_SAVE | |
| 308 | |
| 309 if test ${multilib} = yes; then | |
| 310 multilib_arg="--enable-multilib" | |
| 311 else | |
| 312 multilib_arg= | |
| 313 fi | |
| 314 | |
| 315 # Set up the set of libraries that we need to link against for libgomp. | |
| 111 | 316 # Note that the GOMP_SELF_SPEC in gcc.c may force -pthread, |
| 0 | 317 # which will force linkage against -lpthread (or equivalent for the system). |
| 318 # That's not 100% ideal, but about the best we can do easily. | |
| 319 if test $enable_shared = yes; then | |
| 320 link_gomp="-lgomp %{static: $LIBS}" | |
| 321 else | |
| 322 link_gomp="-lgomp $LIBS" | |
| 323 fi | |
| 324 AC_SUBST(link_gomp) | |
| 325 | |
| 326 AM_CONDITIONAL([USE_FORTRAN], [test "$ac_cv_fc_compiler_gnu" = yes]) | |
| 327 | |
| 328 # ??? 2006-01-24: Paulo committed to asking autoconf folk to document | |
| 329 # and export AC_COMPUTE_INT. If that happens, then we'll need to remove | |
| 330 # the underscore here and update the PREREQ. If it doesn't, then we'll | |
| 331 # need to copy this macro to our acinclude.m4. | |
| 332 save_CFLAGS="$CFLAGS" | |
| 333 for i in $config_path; do | |
| 334 if test -f $srcdir/config/$i/omp-lock.h; then | |
| 335 CFLAGS="$CFLAGS -include confdefs.h -include $srcdir/config/$i/omp-lock.h" | |
| 336 break | |
| 337 fi | |
| 338 done | |
| 339 | |
| 340 _AC_COMPUTE_INT([sizeof (omp_lock_t)], [OMP_LOCK_SIZE],, | |
| 341 [AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_t)])]) | |
| 342 _AC_COMPUTE_INT([__alignof (omp_lock_t)], [OMP_LOCK_ALIGN]) | |
| 343 _AC_COMPUTE_INT([sizeof (omp_nest_lock_t)], [OMP_NEST_LOCK_SIZE]) | |
| 344 _AC_COMPUTE_INT([__alignof (omp_nest_lock_t)], [OMP_NEST_LOCK_ALIGN]) | |
| 345 _AC_COMPUTE_INT([sizeof (omp_lock_25_t)], [OMP_LOCK_25_SIZE],, | |
| 346 [AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_25_t)])]) | |
| 347 _AC_COMPUTE_INT([__alignof (omp_lock_25_t)], [OMP_LOCK_25_ALIGN]) | |
| 348 _AC_COMPUTE_INT([sizeof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_SIZE]) | |
| 349 _AC_COMPUTE_INT([__alignof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_ALIGN]) | |
| 350 | |
| 351 # If the lock fits in an integer, then arrange for Fortran to use that | |
| 352 # integer. If it doesn't, then arrange for Fortran to use a pointer. | |
| 353 # Except that we don't have a way at present to multi-lib the installed | |
| 354 # Fortran modules, so we assume 8 bytes for pointers, regardless of the | |
| 355 # actual target. | |
| 356 OMP_LOCK_KIND=$OMP_LOCK_SIZE | |
| 357 OMP_NEST_LOCK_KIND=$OMP_NEST_LOCK_SIZE | |
| 358 if test $OMP_LOCK_SIZE -gt 8 || test $OMP_LOCK_ALIGN -gt $OMP_LOCK_SIZE; then | |
| 359 OMP_LOCK_KIND=8 | |
| 360 fi | |
| 361 if test $OMP_NEST_LOCK_SIZE -gt 8 || test $OMP_NEST_LOCK_ALIGN -gt $OMP_NEST_LOCK_SIZE; then | |
| 362 OMP_NEST_LOCK_KIND=8 | |
| 363 fi | |
| 364 OMP_LOCK_25_KIND=$OMP_LOCK_25_SIZE | |
| 365 OMP_NEST_LOCK_25_KIND=$OMP_NEST_LOCK_25_SIZE | |
| 366 if test $OMP_LOCK_25_SIZE -gt 8 || test $OMP_LOCK_25_ALIGN -gt $OMP_LOCK_25_SIZE; then | |
| 367 OMP_LOCK_25_KIND=8 | |
| 368 fi | |
| 369 if test $OMP_NEST_LOCK_25_SIZE -gt 8 || test $OMP_NEST_LOCK_25_ALIGN -gt $OMP_NEST_LOCK_25_SIZE; then | |
| 370 OMP_NEST_LOCK_25_KIND=8 | |
| 371 fi | |
| 372 | |
| 373 AC_SUBST(OMP_LOCK_SIZE) | |
| 374 AC_SUBST(OMP_LOCK_ALIGN) | |
| 375 AC_SUBST(OMP_NEST_LOCK_SIZE) | |
| 376 AC_SUBST(OMP_NEST_LOCK_ALIGN) | |
| 377 AC_SUBST(OMP_LOCK_KIND) | |
| 378 AC_SUBST(OMP_NEST_LOCK_KIND) | |
| 379 AC_SUBST(OMP_LOCK_25_SIZE) | |
| 380 AC_SUBST(OMP_LOCK_25_ALIGN) | |
| 381 AC_SUBST(OMP_NEST_LOCK_25_SIZE) | |
| 382 AC_SUBST(OMP_NEST_LOCK_25_ALIGN) | |
| 383 AC_SUBST(OMP_LOCK_25_KIND) | |
| 384 AC_SUBST(OMP_NEST_LOCK_25_KIND) | |
| 385 CFLAGS="$save_CFLAGS" | |
| 386 | |
| 111 | 387 # Determine what GCC version number to use in filesystem paths. |
| 388 GCC_BASE_VER | |
| 389 | |
| 0 | 390 AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h) |
| 391 AC_CONFIG_FILES(Makefile testsuite/Makefile libgomp.spec) | |
| 111 | 392 AC_CONFIG_FILES([testsuite/libgomp-test-support.pt.exp:testsuite/libgomp-test-support.exp.in]) |
| 0 | 393 AC_OUTPUT |