gas/aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.3
   2
   3 dnl Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
   4 dnl This Makefile.in is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 dnl This program is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  11 dnl PARTICULAR PURPOSE.
  12
  13 dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
  14 AC_DEFUN(GAS_CHECK_DECL_NEEDED,[
  15 AC_MSG_CHECKING(whether declaration is required for $1)
  16 AC_CACHE_VAL(gas_cv_decl_needed_$1,
  17 AC_TRY_LINK([$4],
  18 [
  19 typedef $3;
  20 $2 x;
  21 x = ($2) $1;
  22 ], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
  23 AC_MSG_RESULT($gas_cv_decl_needed_$1)
  24 test $gas_cv_decl_needed_$1 = no || {
  25  ifelse(index($1,[$]),-1,
  26     [AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]))],
  27     [gas_decl_name_upcase=`echo $1 | tr '[a-z]' '[A-Z]'`
  28      AC_DEFINE_UNQUOTED(NEED_DECLARATION_$gas_decl_name_upcase)])
  29 }
  30 ])dnl
  31 dnl
  32 dnl Some non-ANSI preprocessors botch requoting inside strings.  That's bad
  33 dnl enough, but on some of those systems, the assert macro relies on requoting
  34 dnl working properly!
  35 dnl GAS_WORKING_ASSERT
  36 AC_DEFUN(GAS_WORKING_ASSERT,
  37 [AC_MSG_CHECKING([for working assert macro])
  38 AC_CACHE_VAL(gas_cv_assert_ok,
  39 AC_TRY_LINK([#include <assert.h>
  40 #include <stdio.h>], [
  41 /* check for requoting problems */
  42 static int a, b, c, d;
  43 static char *s;
  44 assert (!strcmp(s, "foo bar baz quux"));
  45 /* check for newline handling */
  46 assert (a == b
  47         || c == d);
  48 ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
  49 AC_MSG_RESULT($gas_cv_assert_ok)
  50 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT)
  51 ])dnl
  52 dnl
  53 dnl Since many Bourne shell implementations lack subroutines, use this
  54 dnl hack to simplify the code in configure.in.
  55 dnl GAS_UNIQ(listvar)
  56 AC_DEFUN(GAS_UNIQ,
  57 [_gas_uniq_list="[$]$1"
  58 _gas_uniq_newlist=""
  59 dnl Protect against empty input list.
  60 for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
  61   case [$]_gas_uniq_i in
  62   _gas_uniq_dummy) ;;
  63   *) case " [$]_gas_uniq_newlist " in
  64        *" [$]_gas_uniq_i "*) ;;
  65        *) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;;
  66      esac ;;
  67   esac
  68 done
  69 $1=[$]_gas_uniq_newlist
  70 ])dnl
  71
  72 # Do all the work for Automake.  This macro actually does too much --
  73 # some checks are only needed if your package does certain things.
  74 # But this isn't really a big deal.
  75
  76 # serial 1
  77
  78 dnl Usage:
  79 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
  80
  81 AC_DEFUN(AM_INIT_AUTOMAKE,
  82 [AC_REQUIRE([AM_PROG_INSTALL])
  83 PACKAGE=[$1]
  84 AC_SUBST(PACKAGE)
  85 VERSION=[$2]
  86 AC_SUBST(VERSION)
  87 dnl test to see if srcdir already configured
  88 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  89   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  90 fi
  91 ifelse([$3],,
  92 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
  93 AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
  94 AC_REQUIRE([AM_SANITY_CHECK])
  95 AC_REQUIRE([AC_ARG_PROGRAM])
  96 dnl FIXME This is truly gross.
  97 missing_dir=`cd $ac_aux_dir && pwd`
  98 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
  99 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 100 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 101 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 102 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 103 AC_REQUIRE([AC_PROG_MAKE_SET])])
 104
 105
 106 # serial 1
 107
 108 AC_DEFUN(AM_PROG_INSTALL,
 109 [AC_REQUIRE([AC_PROG_INSTALL])
 110 test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 111 AC_SUBST(INSTALL_SCRIPT)dnl
 112 ])
 113
 114 #
 115 # Check to make sure that the build environment is sane.
 116 #
 117
 118 AC_DEFUN(AM_SANITY_CHECK,
 119 [AC_MSG_CHECKING([whether build environment is sane])
 120 # Just in case
 121 sleep 1
 122 echo timestamp > conftestfile
 123 # Do `set' in a subshell so we don't clobber the current shell's
 124 # arguments.  Must try -L first in case configure is actually a
 125 # symlink; some systems play weird games with the mod time of symlinks
 126 # (eg FreeBSD returns the mod time of the symlink's containing
 127 # directory).
 128 if (
 129    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
 130    if test "[$]*" = "X"; then
 131       # -L didn't work.
 132       set X `ls -t $srcdir/configure conftestfile`
 133    fi
 134    if test "[$]*" != "X $srcdir/configure conftestfile" \
 135       && test "[$]*" != "X conftestfile $srcdir/configure"; then
 136
 137       # If neither matched, then we have a broken ls.  This can happen
 138       # if, for instance, CONFIG_SHELL is bash and it inherits a
 139       # broken ls alias from the environment.  This has actually
 140       # happened.  Such a system could not be considered "sane".
 141       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 142 alias in your environment])
 143    fi
 144
 145    test "[$]2" = conftestfile
 146    )
 147 then
 148    # Ok.
 149    :
 150 else
 151    AC_MSG_ERROR([newly created file is older than distributed files!
 152 Check your system clock])
 153 fi
 154 rm -f conftest*
 155 AC_MSG_RESULT(yes)])
 156
 157 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
 158 dnl The program must properly implement --version.
 159 AC_DEFUN(AM_MISSING_PROG,
 160 [AC_MSG_CHECKING(for working $2)
 161 # Run test in a subshell; some versions of sh will print an error if
 162 # an executable is not found, even if stderr is redirected.
 163 # Redirect stdin to placate older versions of autoconf.  Sigh.
 164 if ($2 --version) < /dev/null > /dev/null 2>&1; then
 165    $1=$2
 166    AC_MSG_RESULT(found)
 167 else
 168    $1="$3/missing $2"
 169    AC_MSG_RESULT(missing)
 170 fi
 171 AC_SUBST($1)])
 172
 173
 174 # serial 24 AM_PROG_LIBTOOL
 175 AC_DEFUN(AM_PROG_LIBTOOL,
 176 [AC_REQUIRE([AM_ENABLE_SHARED])dnl
 177 AC_REQUIRE([AM_ENABLE_STATIC])dnl
 178 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 179 AC_REQUIRE([AC_PROG_RANLIB])dnl
 180 AC_REQUIRE([AC_PROG_CC])dnl
 181 AC_REQUIRE([AM_PROG_LD])dnl
 182 AC_REQUIRE([AM_PROG_NM])dnl
 183 AC_REQUIRE([AC_PROG_LN_S])dnl
 184 dnl
 185 # Always use our own libtool.
 186 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 187 AC_SUBST(LIBTOOL)dnl
 188
 189 # Check for any special flags to pass to ltconfig.
 190 libtool_flags=
 191 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 192 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 193 test "$silent" = yes && libtool_flags="$libtool_flags --silent"
 194 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 195 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 196
 197 # Some flags need to be propagated to the compiler or linker for good
 198 # libtool support.
 199 case "$host" in
 200 *-*-irix6*)
 201   # Find out which ABI we are using.
 202   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
 203   if AC_TRY_EVAL(ac_compile); then
 204     case "`/usr/bin/file conftest.o`" in
 205     *32-bit*)
 206       LD="${LD-ld} -32"
 207       ;;
 208     *N32*)
 209       LD="${LD-ld} -n32"
 210       ;;
 211     *64-bit*)
 212       LD="${LD-ld} -64"
 213       ;;
 214     esac
 215   fi
 216   rm -rf conftest*
 217   ;;
 218
 219 *-*-sco3.2v5*)
 220   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 221   CFLAGS="$CFLAGS -belf"
 222   ;;
 223
 224 *-*-cygwin32*)
 225   AM_SYS_LIBTOOL_CYGWIN32
 226   ;;
 227
 228 esac
 229
 230 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 231 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
 232 LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
 233 DLLTOOL="$DLLTOOL" AS="$AS" \
 234 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
 235 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
 236 || AC_MSG_ERROR([libtool configure failed])
 237 ])
 238
 239 # AM_ENABLE_SHARED - implement the --enable-shared flag
 240 # Usage: AM_ENABLE_SHARED[(DEFAULT)]
 241 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 242 #   `yes'.
 243 AC_DEFUN(AM_ENABLE_SHARED,
 244 [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 245 AC_ARG_ENABLE(shared,
 246 changequote(<<, >>)dnl
 247 <<  --enable-shared         build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT]
 248 changequote([, ])dnl
 249 [  --enable-shared=PKGS    only build shared libraries if the current package
 250                           appears as an element in the PKGS list],
 251 [p=${PACKAGE-default}
 252 case "$enableval" in
 253 yes) enable_shared=yes ;;
 254 no) enable_shared=no ;;
 255 *)
 256   enable_shared=no
 257   # Look at the argument we got.  We use all the common list separators.
 258   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 259   for pkg in $enableval; do
 260     if test "X$pkg" = "X$p"; then
 261       enable_shared=yes
 262     fi
 263   done
 264   IFS="$ac_save_ifs"
 265   ;;
 266 esac],
 267 enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
 268 ])
 269
 270 # AM_DISABLE_SHARED - set the default shared flag to --disable-shared
 271 AC_DEFUN(AM_DISABLE_SHARED,
 272 [AM_ENABLE_SHARED(no)])
 273
 274 # AM_DISABLE_STATIC - set the default static flag to --disable-static
 275 AC_DEFUN(AM_DISABLE_STATIC,
 276 [AM_ENABLE_STATIC(no)])
 277
 278 # AM_ENABLE_STATIC - implement the --enable-static flag
 279 # Usage: AM_ENABLE_STATIC[(DEFAULT)]
 280 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 281 #   `yes'.
 282 AC_DEFUN(AM_ENABLE_STATIC,
 283 [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 284 AC_ARG_ENABLE(static,
 285 changequote(<<, >>)dnl
 286 <<  --enable-static         build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT]
 287 changequote([, ])dnl
 288 [  --enable-static=PKGS    only build shared libraries if the current package
 289                           appears as an element in the PKGS list],
 290 [p=${PACKAGE-default}
 291 case "$enableval" in
 292 yes) enable_static=yes ;;
 293 no) enable_static=no ;;
 294 *)
 295   enable_static=no
 296   # Look at the argument we got.  We use all the common list separators.
 297   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 298   for pkg in $enableval; do
 299     if test "X$pkg" = "X$p"; then
 300       enable_static=yes
 301     fi
 302   done
 303   IFS="$ac_save_ifs"
 304   ;;
 305 esac],
 306 enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
 307 ])
 308
 309
 310 # AM_PROG_LD - find the path to the GNU or non-GNU linker
 311 AC_DEFUN(AM_PROG_LD,
 312 [AC_ARG_WITH(gnu-ld,
 313 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 314 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 315 AC_REQUIRE([AC_PROG_CC])
 316 ac_prog=ld
 317 if test "$ac_cv_prog_gcc" = yes; then
 318   # Check if gcc -print-prog-name=ld gives a path.
 319   AC_MSG_CHECKING([for ld used by GCC])
 320   ac_prog=`($CC -print-prog-name=ld) 2>&5`
 321   case "$ac_prog" in
 322   # Accept absolute paths.
 323 changequote(,)dnl
 324   /* | [A-Za-z]:\\*)
 325 changequote([,])dnl
 326     test -z "$LD" && LD="$ac_prog"
 327     ;;
 328   "")
 329     # If it fails, then pretend we aren't using GCC.
 330     ac_prog=ld
 331     ;;
 332   *)
 333     # If it is relative, then search for the first ld in PATH.
 334     with_gnu_ld=unknown
 335     ;;
 336   esac
 337 elif test "$with_gnu_ld" = yes; then
 338   AC_MSG_CHECKING([for GNU ld])
 339 else
 340   AC_MSG_CHECKING([for non-GNU ld])
 341 fi
 342 AC_CACHE_VAL(ac_cv_path_LD,
 343 [if test -z "$LD"; then
 344   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 345   for ac_dir in $PATH; do
 346     test -z "$ac_dir" && ac_dir=.
 347     if test -f "$ac_dir/$ac_prog"; then
 348       ac_cv_path_LD="$ac_dir/$ac_prog"
 349       # Check to see if the program is GNU ld.  I'd rather use --version,
 350       # but apparently some GNU ld's only accept -v.
 351       # Break only if it was the GNU/non-GNU ld that we prefer.
 352       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 353         test "$with_gnu_ld" != no && break
 354       else
 355         test "$with_gnu_ld" != yes && break
 356       fi
 357     fi
 358   done
 359   IFS="$ac_save_ifs"
 360 else
 361   ac_cv_path_LD="$LD" # Let the user override the test with a path.
 362 fi])
 363 LD="$ac_cv_path_LD"
 364 if test -n "$LD"; then
 365   AC_MSG_RESULT($LD)
 366 else
 367   AC_MSG_RESULT(no)
 368 fi
 369 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 370 AC_SUBST(LD)
 371 AM_PROG_LD_GNU
 372 ])
 373
 374 AC_DEFUN(AM_PROG_LD_GNU,
 375 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
 376 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 377 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 378   ac_cv_prog_gnu_ld=yes
 379 else
 380   ac_cv_prog_gnu_ld=no
 381 fi])
 382 ])
 383
 384 # AM_PROG_NM - find the path to a BSD-compatible name lister
 385 AC_DEFUN(AM_PROG_NM,
 386 [AC_MSG_CHECKING([for BSD-compatible nm])
 387 AC_CACHE_VAL(ac_cv_path_NM,
 388 [if test -z "$NM"; then
 389   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 390   for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
 391     test -z "$ac_dir" && ac_dir=.
 392     if test -f $ac_dir/nm; then
 393       # Check to see if the nm accepts a BSD-compat flag.
 394       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
 395       #   nm: unknown option "B" ignored
 396       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 397         ac_cv_path_NM="$ac_dir/nm -B"
 398       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
 399         ac_cv_path_NM="$ac_dir/nm -p"
 400       else
 401         ac_cv_path_NM="$ac_dir/nm"
 402       fi
 403       break
 404     fi
 405   done
 406   IFS="$ac_save_ifs"
 407   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
 408 else
 409   ac_cv_path_NM="$NM" # Let the user override the test with a path.
 410 fi])
 411 NM="$ac_cv_path_NM"
 412 AC_MSG_RESULT([$NM])
 413 AC_SUBST(NM)
 414 ])
 415
 416 # AM_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32
 417 AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32,
 418 [AC_CHECK_TOOL(DLLTOOL, dlltool, false)
 419 AC_CHECK_TOOL(AS, as, false)
 420 ])
 421
 422 # Like AC_CONFIG_HEADER, but automatically create stamp file.
 423
 424 AC_DEFUN(AM_CONFIG_HEADER,
 425 [AC_PREREQ([2.12])
 426 AC_CONFIG_HEADER([$1])
 427 dnl When config.status generates a header, we must update the stamp-h file.
 428 dnl This file resides in the same directory as the config header
 429 dnl that is generated.  We must strip everything past the first ":",
 430 dnl and everything past the last "/".
 431 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
 432 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
 433 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
 434 <<am_indx=1
 435 for am_file in <<$1>>; do
 436   case " <<$>>CONFIG_HEADERS " in
 437   *" <<$>>am_file "*<<)>>
 438     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
 439     ;;
 440   esac
 441   am_indx=`expr "<<$>>am_indx" + 1`
 442 done<<>>dnl>>)
 443 changequote([,]))])
 444
 445
 446 dnl AM_PROG_LEX
 447 dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
 448 AC_DEFUN(AM_PROG_LEX,
 449 [missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
 450 AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
 451 AC_PROG_LEX
 452 AC_DECL_YYTEXT])
 453
 454 # Add --enable-maintainer-mode option to configure.
 455 # From Jim Meyering
 456
 457 # serial 1
 458
 459 AC_DEFUN(AM_MAINTAINER_MODE,
 460 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 461   dnl maintainer-mode is disabled by default
 462   AC_ARG_ENABLE(maintainer-mode,
 463 [  --enable-maintainer-mode enable make rules and dependencies not useful
 464                           (and sometimes confusing) to the casual installer],
 465       USE_MAINTAINER_MODE=$enableval,
 466       USE_MAINTAINER_MODE=no)
 467   AC_MSG_RESULT($USE_MAINTAINER_MODE)
 468   if test $USE_MAINTAINER_MODE = yes; then
 469     MAINT=
 470   else
 471     MAINT='#M#'
 472   fi
 473   AC_SUBST(MAINT)dnl
 474 ]
 475 )
 476
 477 # Check to see if we're running under Cygwin32, without using
 478 # AC_CANONICAL_*.  If so, set output variable CYGWIN32 to "yes".
 479 # Otherwise set it to "no".
 480
 481 dnl AM_CYGWIN32()
 482 AC_DEFUN(AM_CYGWIN32,
 483 [AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
 484 [AC_TRY_COMPILE(,[return __CYGWIN32__;],
 485 am_cv_cygwin32=yes, am_cv_cygwin32=no)
 486 rm -f conftest*])
 487 CYGWIN32=
 488 test "$am_cv_cygwin32" = yes && CYGWIN32=yes])
 489
 490 # Check to see if we're running under Win32, without using
 491 # AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
 492 # Otherwise set it to "".
 493
 494 dnl AM_EXEEXT()
 495 dnl This knows we add .exe if we're building in the Cygwin32
 496 dnl environment. But if we're not, then it compiles a test program
 497 dnl to see if there is a suffix for executables.
 498 AC_DEFUN(AM_EXEEXT,
 499 [AC_REQUIRE([AM_CYGWIN32])
 500 AC_REQUIRE([AM_MINGW32])
 501 AC_MSG_CHECKING([for executable suffix])
 502 AC_CACHE_VAL(am_cv_exeext,
 503 [if test "$CYGWIN32" = yes || test "$MINGW32" = yes; then
 504 am_cv_exeext=.exe
 505 else
 506 cat > am_c_test.c << 'EOF'
 507 int main() {
 508 /* Nothing needed here */
 509 }
 510 EOF
 511 ${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
 512 am_cv_exeext=
 513 for file in am_c_test.*; do
 514    case $file in
 515     *.c) ;;
 516     *.o) ;;
 517     *) am_cv_exeext=`echo $file | sed -e s/am_c_test//` ;;
 518    esac
 519 done
 520 rm -f am_c_test*])
 521 test x"${am_cv_exeext}" = x && am_cv_exeext=no
 522 fi
 523 EXEEXT=""
 524 test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
 525 AC_MSG_RESULT(${am_cv_exeext})
 526 AC_SUBST(EXEEXT)])
 527
 528 # Check to see if we're running under Mingw, without using
 529 # AC_CANONICAL_*.  If so, set output variable MINGW32 to "yes".
 530 # Otherwise set it to "no".
 531
 532 dnl AM_MINGW32()
 533 AC_DEFUN(AM_MINGW32,
 534 [AC_CACHE_CHECK(for Mingw32 environment, am_cv_mingw32,
 535 [AC_TRY_COMPILE(,[return __MINGW32__;],
 536 am_cv_mingw32=yes, am_cv_mingw32=no)
 537 rm -f conftest*])
 538 MINGW32=
 539 test "$am_cv_mingw32" = yes && MINGW32=yes])
 540