gold/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 AC_PREREQ(2.59)
   4
   5 AC_INIT(gold, 0.1)
   6 AC_CONFIG_SRCDIR(gold.cc)
   7
   8 AC_CANONICAL_TARGET
   9
  10 AM_INIT_AUTOMAKE([no-dist parallel-tests])
  11
  12 AM_CONFIG_HEADER(config.h:config.in)
  13
  14 AC_ARG_WITH(sysroot,
  15 [  --with-sysroot[=DIR]    search for usr/lib et al within DIR],
  16 [sysroot=$withval], [sysroot=no])
  17
  18 if test "$sysroot" = "yes"; then
  19   sysroot='${exec_prefix}/${target_alias}/sys-root'
  20 elif test "$sysroot" = "no"; then
  21   sysroot=
  22 fi
  23
  24 sysroot_relocatable=0
  25 if test -n "$sysroot"; then
  26   case "sysroot" in
  27     "${prefix}" | "${prefix}/"* | \
  28     "${exec_prefix}" | "${exec_prefix}/"* | \
  29     '${prefix}' | '${prefix}/'*| \
  30     '${exec_prefix}' | '${exec_prefix}/'*)
  31       sysroot_relocatable=1
  32       ;;
  33   esac
  34 fi
  35
  36 AC_DEFINE_UNQUOTED(TARGET_SYSTEM_ROOT, "$sysroot",
  37   [System root for target files])
  38 AC_DEFINE_UNQUOTED(TARGET_SYSTEM_ROOT_RELOCATABLE, $sysroot_relocatable,
  39   [Whether the system root can be relocated])
  40
  41 dnl "install_as_default" is true if the linker to be installed as the
  42 dnl default linker, ld.
  43 dnl "installed_linker" is the installed gold linker name.
  44
  45 default_ld=
  46 AC_ARG_ENABLE(ld,
  47 [[  --enable-ld[=ARG]     build ld [ARG={default,yes,no}]]],
  48 [case "${enableval}" in
  49   default)
  50     default_ld=ld.bfd
  51     ;;
  52 esac])
  53
  54 AC_ARG_ENABLE(gold,
  55 [[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
  56 [case "${enableval}" in
  57  yes|default)
  58    if test x${default_ld} = x; then
  59      install_as_default=yes
  60    fi
  61    installed_linker=ld.gold
  62    ;;
  63  no)
  64    ;;
  65  *)
  66    AC_MSG_ERROR([invalid --enable-gold argument])
  67    ;;
  68  esac],
  69 [install_as_default=no
  70  installed_linker=ld.gold])
  71 AC_SUBST(install_as_default)
  72 AC_SUBST(installed_linker)
  73
  74 dnl For now threads are a configure time option.
  75 AC_ARG_ENABLE([threads],
  76 [  --enable-threads        multi-threaded linking],
  77 [case "${enableval}" in
  78   yes | "") threads=yes ;;
  79   no) threads=no ;;
  80   *) threads=yes ;;
  81  esac],
  82 [threads=no])
  83 if test "$threads" = "yes"; then
  84   AC_DEFINE(ENABLE_THREADS, 1,
  85             [Define to do multi-threaded linking])
  86 fi
  87 AM_CONDITIONAL(THREADS, test "$threads" = "yes")
  88
  89 AC_ARG_ENABLE([plugins],
  90 [  --enable-plugins        linker plugins],
  91 [case "${enableval}" in
  92   yes | "") plugins=yes ;;
  93   no) plugins=no ;;
  94   *) plugins=yes ;;
  95  esac],
  96 [plugins=no])
  97 if test "$plugins" = "yes"; then
  98   AC_DEFINE(ENABLE_PLUGINS, 1,
  99             [Define to enable linker plugins])
 100 fi
 101 AM_CONDITIONAL(PLUGINS, test "$plugins" = "yes")
 102
 103 AC_ARG_ENABLE([targets],
 104 [  --enable-targets        alternative target configurations],
 105 [case "${enableval}" in
 106   yes | "")
 107     AC_MSG_ERROR([--enable-targets option must specify target names or 'all'])
 108     ;;
 109   no)
 110     enable_targets=
 111     ;;
 112   *)
 113     enable_targets=$enableval
 114     ;;
 115 esac],
 116 [# For now, enable all targets by default
 117  enable_targets=all
 118 ])
 119
 120 # Canonicalize the enabled targets.
 121 if test -n "$enable_targets"; then
 122   for targ in `echo $enable_targets | sed -e 's/,/ /g'`; do
 123     result=`$ac_config_sub $targ 2>/dev/null`
 124     if test -n "$result"; then
 125       canon_targets="$canon_targets $result"
 126     else
 127       # Permit unrecognized target names, like "all".
 128       canon_targets="$canon_targets $targ"
 129     fi
 130   done
 131 fi
 132
 133 # See which specific instantiations we need.
 134 targetobjs=
 135 all_targets=
 136 default_machine=
 137 default_size=
 138 default_big_endian=
 139 default_osabi=ELFOSABI_NONE
 140 targ_32_little=
 141 targ_32_big=
 142 targ_64_little=
 143 targ_64_big=
 144 for targ in $target $canon_targets; do
 145   if test "$targ" = "all"; then
 146     targ_32_little=yes
 147     targ_32_big=yes
 148     targ_64_little=yes
 149     targ_64_big=yes
 150     all_targets=yes
 151   else
 152     . ${srcdir}/configure.tgt
 153
 154     if test "$targ_obj" = "UNKNOWN"; then
 155       AC_MSG_ERROR("unsupported target $targ")
 156     else
 157       targetobjs="$targetobjs ${targ_obj}.\$(OBJEXT)"
 158       if test "$targ_extra_obj" != ""; then
 159         targetobjs="$targetobjs ${targ_extra_obj}.\$(OBJEXT)"
 160       fi
 161       if test "$targ_size" = "32" -o "$targ_extra_size" = "32"; then
 162           if test "$targ_big_endian" = "true" \
 163               -o "$targ_extra_big_endian" = "true"; then
 164               targ_32_big=yes
 165           fi
 166           if test "$targ_big_endian" = "false" \
 167               -o "$targ_extra_big_endian" = "false"; then
 168               targ_32_little=yes
 169           fi
 170       fi
 171       if test "$targ_size" = "64" -o "$targ_extra_size" = "64"; then
 172           if test "$targ_big_endian" = "true" \
 173               -o "$targ_extra_big_endian" = "true"; then
 174               targ_64_big=yes
 175           fi
 176           if test "$targ_big_endian" = "false" \
 177               -o "$targ_extra_big_endian" = "false"; then
 178               targ_64_little=yes
 179           fi
 180       fi
 181
 182       if test "$target" = "$targ"; then
 183         default_machine=$targ_machine
 184         default_size=$targ_size
 185         default_big_endian=$targ_big_endian
 186         default_osabi=$targ_osabi
 187
 188         AM_CONDITIONAL(DEFAULT_TARGET_ARM, test "$targ_obj" = "arm")
 189         AM_CONDITIONAL(DEFAULT_TARGET_I386, test "$targ_obj" = "i386")
 190         AM_CONDITIONAL(DEFAULT_TARGET_POWERPC, test "$targ_obj" = "powerpc")
 191         AM_CONDITIONAL(DEFAULT_TARGET_SPARC, test "$targ_obj" = "sparc")
 192         AM_CONDITIONAL(DEFAULT_TARGET_X86_64, test "$targ_obj" = "x86_64")
 193       fi
 194     fi
 195   fi
 196 done
 197
 198 # Remove any duplicates.
 199 to=""
 200 for t in $targetobjs; do
 201   case " $to " in
 202   *" $t "*) ;;
 203   *) to="$to $t" ;;
 204   esac
 205 done
 206 targetobjs=$to
 207
 208 if test -n "$targ_32_little"; then
 209   AC_DEFINE(HAVE_TARGET_32_LITTLE, 1,
 210               [Define to support 32-bit little-endian targets])
 211 fi
 212 if test -n "$targ_32_big"; then
 213   AC_DEFINE(HAVE_TARGET_32_BIG, 1,
 214               [Define to support 32-bit big-endian targets])
 215 fi
 216 if test -n "$targ_64_little"; then
 217   AC_DEFINE(HAVE_TARGET_64_LITTLE, 1,
 218               [Define to support 64-bit little-endian targets])
 219 fi
 220 if test -n "$targ_64_big"; then
 221   AC_DEFINE(HAVE_TARGET_64_BIG, 1,
 222               [Define to support 64-bit big-endian targets])
 223 fi
 224
 225 if test -n "$all_targets"; then
 226   TARGETOBJS='$(ALL_TARGETOBJS)'
 227 else
 228   TARGETOBJS="$targetobjs"
 229 fi
 230 AC_SUBST(TARGETOBJS)
 231
 232 AC_DEFINE_UNQUOTED(GOLD_DEFAULT_MACHINE, $default_machine,
 233                    [Default machine code])
 234 AC_DEFINE_UNQUOTED(GOLD_DEFAULT_SIZE, $default_size,
 235                    [Default size (32 or 64)])
 236 AC_DEFINE_UNQUOTED(GOLD_DEFAULT_BIG_ENDIAN, $default_big_endian,
 237                    [Default big endian (true or false)])
 238 AC_DEFINE_UNQUOTED(GOLD_DEFAULT_OSABI, $default_osabi,
 239                    [Default OSABI code])
 240
 241 AC_ARG_WITH(lib-path,
 242 [  --with-lib-path=dir1:dir2...  set default LIB_PATH],
 243 [case "$withval" in
 244  yes) LIB_PATH='"/lib:/usr/lib"' ;;
 245  no) LIB_PATH='""' ;;
 246  *) LIB_PATH='"'"$withval"'"' ;;
 247  esac],
 248 [LIB_PATH='"::DEFAULT::"'])
 249 AC_DEFINE_UNQUOTED(LIB_PATH, $LIB_PATH,
 250                    [Default library search path])
 251 if test "x$target_alias" = "x" -o "x$host_alias" = "x$target_alias"; then
 252   AC_DEFINE(NATIVE_LINKER, 1, [Whether configured as a native linker])
 253 fi
 254
 255 AC_CHECK_TOOL(NM, nm)
 256
 257 AC_PROG_CC
 258 AC_PROG_CXX
 259 AC_PROG_YACC
 260 AC_PROG_RANLIB
 261 AC_PROG_INSTALL
 262 AC_PROG_LN_S
 263
 264 AC_GNU_SOURCE
 265
 266 ZW_GNU_GETTEXT_SISTER_DIR
 267 AM_PO_SUBDIRS
 268
 269 AC_C_BIGENDIAN
 270
 271 AC_EXEEXT
 272
 273 AM_CONDITIONAL(NATIVE_LINKER,
 274   test "x$target_alias" = "x" -o "x$host_alias" = "x$target_alias")
 275 AM_CONDITIONAL(GCC, test "$GCC" = yes)
 276
 277 AM_CONDITIONAL(NATIVE_OR_CROSS_LINKER,
 278   test "x$target_alias" = "x" -o "x$host_alias" = "x$target_alias" -o "x$host_alias" = "x$build_alias")
 279
 280 dnl Test for whether static linking is supported.  Some systems do not
 281 dnl install static libraries.  This only affects the set of tests that
 282 dnl we run.
 283 AC_CACHE_CHECK([whether static linking works], [gold_cv_lib_static],
 284 [LDFLAGS_hold=$LDFLAGS
 285 LDFLAGS="$LDFLAGS -static"
 286 AC_LINK_IFELSE([
 287 AC_LANG_PROGRAM([[void f() { }]])],
 288 [gold_cv_lib_static=yes], [gold_cv_lib_static=no])
 289 LDFLAGS=$LDFLAGS_hold])
 290 AM_CONDITIONAL(HAVE_STATIC, test "$gold_cv_lib_static" = "yes")
 291
 292 dnl Some architectures do not support taking pointers of functions
 293 dnl defined in shared libraries except in -fPIC mode.  We need to
 294 dnl tell the unittest framework if we're compiling for one of those
 295 dnl targets, so it doesn't try to run the tests that do that.
 296 AM_CONDITIONAL(FN_PTRS_IN_SO_WITHOUT_PIC, [
 297   case $target_cpu in
 298     i?86) true;;
 299     x86_64) false;;
 300     sparc64) false;;
 301     *) true;;
 302   esac])
 303
 304 dnl Test for gcc 4.1 or later.  Full support for -mcmodel=medium is
 305 dnl only available in gcc 4.1.
 306 AC_CACHE_CHECK([for gcc >= 4.1], [gold_cv_prog_gcc41],
 307 [AC_COMPILE_IFELSE([
 308 #if !defined __GNUC__
 309 error
 310 #elif __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
 311 error
 312 #endif
 313 ], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])])
 314
 315 dnl Whether we can test -mcmodel=medium.
 316 AM_CONDITIONAL(MCMODEL_MEDIUM,
 317 [test "$target_cpu" = "x86_64" -a "$gold_cv_prog_gcc41" = "yes"])
 318
 319 dnl Test for __thread support.
 320 AC_CACHE_CHECK([for thread support], [gold_cv_c_thread],
 321 [AC_COMPILE_IFELSE([__thread int i = 1;],
 322 [gold_cv_c_thread=yes], [gold_cv_c_thread=no])])
 323
 324 AM_CONDITIONAL(TLS, test "$gold_cv_c_thread" = "yes")
 325
 326 dnl On GNU/Linux TLS in static programs only works when using glibc
 327 dnl 2.4 or later.
 328 AC_CACHE_CHECK([for glibc >= 2.4], [gold_cv_lib_glibc24],
 329 [AC_COMPILE_IFELSE([
 330 #include <features.h>
 331 #if !defined __GLIBC__
 332 error
 333 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4)
 334 error
 335 #endif
 336 ], [gold_cv_lib_glibc24=yes], [gold_cv_lib_glibc24=no])])
 337
 338 AM_CONDITIONAL(STATIC_TLS, test "$gold_cv_lib_glibc24" = "yes")
 339
 340 dnl Test for #pragma omp threadprivate
 341 AC_CACHE_CHECK([for omp support], [gold_cv_c_threadprivate],
 342 [save_CFLAGS="$CFLAGS"
 343 CFLAGS="$CFLAGS -fopenmp"
 344 AC_COMPILE_IFELSE([
 345 #include <omp.h>
 346 int i;
 347 #pragma omp threadprivate (i)
 348 ], [gold_cv_c_threadprivate=yes], [gold_cv_c_threadprivate=no])
 349 CFLAGS="$save_CFLAGS"])
 350 if test "$gold_cv_c_threadprivate" = "yes"; then
 351   AC_DEFINE(HAVE_OMP_SUPPORT, 1,
 352             [Define if compiler supports #pragma omp threadprivate])
 353 fi
 354 AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes")
 355
 356 dnl Test for the -ftls-dialect=gnu2 option.
 357 save_CFLAGS="$CFLAGS"
 358 CFLAGS="$CFLAGS -mtls-dialect=gnu2"
 359 AC_COMPILE_IFELSE([int i;], [have_tls_gnu2=yes], [have_tls_gnu2=no])
 360 CFLAGS="$save_CFLAGS"
 361 AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes")
 362
 363 dnl On GNU/Linux TLS descriptors are supported by the dynamic loader
 364 dnl only with glibc 2.9 or later.
 365 AC_CACHE_CHECK([for glibc >= 2.9], [gold_cv_lib_glibc29],
 366 [AC_COMPILE_IFELSE([
 367 #include <features.h>
 368 #if !defined __GLIBC__
 369 error
 370 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 9)
 371 error
 372 #endif
 373 ], [gold_cv_lib_glibc29=yes], [gold_cv_lib_glibc29=no])])
 374
 375 AM_CONDITIONAL(TLS_DESCRIPTORS, test "$gold_cv_lib_glibc29" = "yes")
 376
 377 dnl Test for the -frandom-seed option.
 378 AC_CACHE_CHECK([for -frandom-seed support], [gold_cv_c_random_seed],
 379 [save_CFLAGS="$CFLAGS"
 380 CFLAGS="$CFLAGS -frandom-seed=foo"
 381 AC_COMPILE_IFELSE([int i;], [gold_cv_c_random_seed=yes],
 382 [gold_cv_c_random_seed=no])
 383 CFLAGS="$save_CFLAGS"])
 384 if test "$gold_cv_c_random_seed" = "yes"; then
 385   # In Makefile, '$@' will be expanded to be the name of the file
 386   # being built, providing a unique seed for each file.
 387   RANDOM_SEED_CFLAGS=-frandom-seed=\$@
 388 fi
 389 AC_SUBST(RANDOM_SEED_CFLAGS)
 390
 391 dnl On GNU/Linux ifunc is supported by the dynamic linker in glibc
 392 dnl 2.11 or later, and by binutils 2.20.1 or later.
 393 AC_CACHE_CHECK([for glibc ifunc support], [gold_cv_lib_glibc_ifunc],
 394 [save_LDFLAGS="$LDFLAGS"
 395 LDFLAGS="$LDFLAGS -static"
 396 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 397 #include <features.h>
 398 #if !defined __GLIBC__
 399 error
 400 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 11)
 401 error
 402 #endif
 403 void func (void) { }
 404 void invoke (void);
 405 __asm__(".type invoke, %gnu_indirect_function");
 406 typedef void (*funcptr) (void);
 407 funcptr dispatch (void) __asm__ ("invoke");
 408 funcptr dispatch (void) { return &func; }]],
 409 [[invoke();]])
 410 ], [
 411 if ${NM} conftest$EXEEXT | grep "__rela\?_iplt_start" >/dev/null 2>&1; then
 412   gold_cv_lib_glibc_ifunc=both
 413 else
 414   gold_cv_lib_glibc_ifunc=dyn
 415 fi], [gold_cv_lib_glibc_ifunc=no])
 416 LDFLAGS="$save_LDFLAGS"])
 417
 418 AM_CONDITIONAL(IFUNC, test "$gold_cv_lib_glibc_ifunc" != "no")
 419 AM_CONDITIONAL(IFUNC_STATIC, test "$gold_cv_lib_glibc_ifunc" = "both")
 420
 421 AM_BINUTILS_WARNINGS
 422
 423 WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//' -e 's/-Wshadow//'`
 424 AC_SUBST(WARN_CXXFLAGS)
 425
 426 AC_ARG_WITH(gold-ldflags,
 427 [  --with-gold-ldflags=FLAGS  additional link flags for gold],
 428 [if test "$withval" = "no" -o "$withval" = "yes"; then
 429    GOLD_LDFLAGS=
 430  else
 431    GOLD_LDFLAGS=$withval
 432  fi],
 433 [GOLD_LDFLAGS=])
 434 AC_SUBST(GOLD_LDFLAGS)
 435
 436 AC_ARG_WITH(gold-ldadd,
 437 [  --with-gold-ldadd=LIBS     additional libraries for gold],
 438 [if test "$withval" = "no" -o "$withval" = "yes"; then
 439    GOLD_LDADD=
 440  else
 441    GOLD_LDADD=$withval
 442  fi],
 443 [GOLD_LDADD=])
 444 AC_SUBST(GOLD_LDADD)
 445
 446 dnl Force support for large files by default.  This may need to be
 447 dnl host dependent.  If build == host, we can check getconf LFS_CFLAGS.
 448 LFS_CFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 449 AC_SUBST(LFS_CFLAGS)
 450
 451 AC_CHECK_HEADERS(sys/mman.h)
 452 AC_CHECK_FUNCS(chsize mmap)
 453 AC_REPLACE_FUNCS(pread ftruncate ffsll)
 454
 455 AC_CACHE_CHECK([mremap with MREMAP_MAYMOVE], [gold_cv_lib_mremap_maymove],
 456 [AC_LINK_IFELSE([
 457 AC_LANG_PROGRAM([[
 458 #include <sys/mman.h>
 459 void f() { mremap (0, 0, 0, MREMAP_MAYMOVE); }
 460 ]])], [gold_cv_lib_mremap_maymove=yes], [gold_cv_lib_mremap_maymove=no])])
 461 if test "$gold_cv_lib_mremap_maymove" = "yes"; then
 462   AC_DEFINE(HAVE_MREMAP, 1,
 463     [Define to 1 if you have the mremap function with MREMAP_MAYMOVE support])
 464 else
 465   AC_LIBOBJ(mremap)
 466 fi
 467
 468 # Link in zlib if we can.  This allows us to write compressed sections.
 469 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
 470 AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_search_zlibVersion" != "no")
 471
 472 dnl We have to check these in C, not C++, because autoconf generates
 473 dnl tests which have no type information, and current glibc provides
 474 dnl multiple declarations of functions like basename when compiling
 475 dnl with C++.
 476 AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp])
 477
 478 AC_LANG_PUSH(C++)
 479
 480 AC_CHECK_HEADERS(tr1/unordered_set tr1/unordered_map)
 481 AC_CHECK_HEADERS(ext/hash_map ext/hash_set)
 482 AC_CHECK_HEADERS(byteswap.h)
 483 AC_CHECK_FUNCS(mallinfo posix_fallocate readv sysconf times)
 484 AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp, strndup, memmem])
 485
 486 # Use of ::std::tr1::unordered_map::rehash causes undefined symbols
 487 # at link time with some versions of GCC.
 488 AC_CACHE_CHECK([whether ::std::tr1::unordered_map::rehash is usable.],
 489 [gold_cv_unordered_map_rehash],
 490 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 491 #include <tr1/unordered_map>
 492 void bar() { ::std::tr1::unordered_map<int, int> x; x.rehash(10); }
 493 ]])], [gold_cv_unordered_map_rehash=yes], [gold_cv_unordered_map_rehash=no])])
 494 if test "$gold_cv_unordered_map_rehash" = "yes"; then
 495   AC_DEFINE(HAVE_TR1_UNORDERED_MAP_REHASH, 1,
 496             [Define if ::std::tr1::unordered_map::rehash is usable])
 497 fi
 498
 499 # gcc 4.3.0 doesn't recognize the printf attribute on a template
 500 # function.  Check for that.  This is gcc bug 35546.  This test can
 501 # probably be removed after the bug has been fixed for a while.
 502 AC_CACHE_CHECK([whether we can use attributes with template functions],
 503 [gold_cv_template_attribute],
 504 [AC_COMPILE_IFELSE([
 505 template<typename T> extern void foo(const char*, ...)
 506   __attribute__ ((__format__ (__printf__, 1, 2)));
 507 template<typename T> void foo(const char* format, ...) {}
 508 void bar() { foo<int>("%s\n", "foo"); }
 509 ], [gold_cv_template_attribute=yes], [gold_cv_template_attribute=no])])
 510 if test "$gold_cv_template_attribute" = "yes"; then
 511   AC_DEFINE(HAVE_TEMPLATE_ATTRIBUTES, 1,
 512             [Define if attributes work on C++ templates])
 513 fi
 514
 515 dnl Check if the system has struct stat::st_mtim.
 516 AC_CACHE_CHECK([for struct stat::st_mtim.],
 517 [gold_cv_stat_st_mtim],
 518 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 519 #include <sys/stat.h>
 520 long bar() { struct stat s; return (long)(s.st_mtim.tv_sec + s.st_mtim.tv_sec);}
 521 ]])], [gold_cv_stat_st_mtim=yes], [gold_cv_stat_st_mtim=no])])
 522 if test "$gold_cv_stat_st_mtim" = "yes"; then
 523   AC_DEFINE(HAVE_STAT_ST_MTIM, 1,
 524             [Define if struct stat has a field st_mtim with timespec for mtime])
 525 fi
 526
 527 AC_LANG_POP(C++)
 528
 529 AM_MAINTAINER_MODE
 530
 531 AC_OUTPUT(Makefile testsuite/Makefile po/Makefile.in:po/Make-in)