gas/aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.2
   2
   3 dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
   4 AC_DEFUN(GAS_CHECK_DECL_NEEDED,[
   5 AC_MSG_CHECKING(whether declaration is required for $1)
   6 AC_CACHE_VAL(gas_cv_decl_needed_$1,
   7 AC_TRY_LINK([$4],
   8 [
   9 typedef $3;
  10 $2 x;
  11 x = ($2) $1;
  12 ], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
  13 AC_MSG_RESULT($gas_cv_decl_needed_$1)
  14 test $gas_cv_decl_needed_$1 = no || {
  15  ifelse(index($1,[$]),-1,
  16     [AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]))],
  17     [gas_decl_name_upcase=`echo $1 | tr '[a-z]' '[A-Z]'`
  18      AC_DEFINE_UNQUOTED(NEED_DECLARATION_$gas_decl_name_upcase)])
  19 }
  20 ])dnl
  21 dnl
  22 dnl Some non-ANSI preprocessors botch requoting inside strings.  That's bad
  23 dnl enough, but on some of those systems, the assert macro relies on requoting
  24 dnl working properly!
  25 dnl GAS_WORKING_ASSERT
  26 AC_DEFUN(GAS_WORKING_ASSERT,
  27 [AC_MSG_CHECKING([for working assert macro])
  28 AC_CACHE_VAL(gas_cv_assert_ok,
  29 AC_TRY_LINK([#include <assert.h>
  30 #include <stdio.h>], [
  31 /* check for requoting problems */
  32 static int a, b, c, d;
  33 static char *s;
  34 assert (!strcmp(s, "foo bar baz quux"));
  35 /* check for newline handling */
  36 assert (a == b
  37         || c == d);
  38 ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
  39 AC_MSG_RESULT($gas_cv_assert_ok)
  40 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT)
  41 ])dnl
  42 dnl
  43 dnl Since many Bourne shell implementations lack subroutines, use this
  44 dnl hack to simplify the code in configure.in.
  45 dnl GAS_UNIQ(listvar)
  46 AC_DEFUN(GAS_UNIQ,
  47 [_gas_uniq_list="[$]$1"
  48 _gas_uniq_newlist=""
  49 dnl Protect against empty input list.
  50 for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
  51   case [$]_gas_uniq_i in
  52   _gas_uniq_dummy) ;;
  53   *) case " [$]_gas_uniq_newlist " in
  54        *" [$]_gas_uniq_i "*) ;;
  55        *) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;;
  56      esac ;;
  57   esac
  58 done
  59 $1=[$]_gas_uniq_newlist
  60 ])dnl
  61
  62 # Do all the work for Automake.  This macro actually does too much --
  63 # some checks are only needed if your package does certain things.
  64 # But this isn't really a big deal.
  65
  66 # serial 1
  67
  68 dnl Usage:
  69 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
  70
  71 AC_DEFUN(AM_INIT_AUTOMAKE,
  72 [AC_REQUIRE([AM_PROG_INSTALL])
  73 PACKAGE=[$1]
  74 AC_SUBST(PACKAGE)
  75 VERSION=[$2]
  76 AC_SUBST(VERSION)
  77 dnl test to see if srcdir already configured
  78 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  79   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  80 fi
  81 ifelse([$3],,
  82 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
  83 AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
  84 AM_SANITY_CHECK
  85 AC_ARG_PROGRAM
  86 dnl FIXME This is truly gross.
  87 missing_dir=`cd $ac_aux_dir && pwd`
  88 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
  89 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
  90 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
  91 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
  92 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
  93 AC_PROG_MAKE_SET])
  94
  95
  96 # serial 1
  97
  98 AC_DEFUN(AM_PROG_INSTALL,
  99 [AC_REQUIRE([AC_PROG_INSTALL])
 100 test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 101 AC_SUBST(INSTALL_SCRIPT)dnl
 102 ])
 103
 104 #
 105 # Check to make sure that the build environment is sane.
 106 #
 107
 108 AC_DEFUN(AM_SANITY_CHECK,
 109 [AC_MSG_CHECKING([whether build environment is sane])
 110 # Just in case
 111 sleep 1
 112 echo timestamp > conftestfile
 113 # Do `set' in a subshell so we don't clobber the current shell's
 114 # arguments.  Must try -L first in case configure is actually a
 115 # symlink; some systems play weird games with the mod time of symlinks
 116 # (eg FreeBSD returns the mod time of the symlink's containing
 117 # directory).
 118 if (
 119    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
 120    if test "$@" = "X"; then
 121       # -L didn't work.
 122       set X `ls -t $srcdir/configure conftestfile`
 123    fi
 124    test "[$]2" = conftestfile
 125    )
 126 then
 127    # Ok.
 128    :
 129 else
 130    AC_MSG_ERROR([newly created file is older than distributed files!
 131 Check your system clock])
 132 fi
 133 rm -f conftest*
 134 AC_MSG_RESULT(yes)])
 135
 136 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
 137 dnl The program must properly implement --version.
 138 AC_DEFUN(AM_MISSING_PROG,
 139 [AC_MSG_CHECKING(for working $2)
 140 # Run test in a subshell; some versions of sh will print an error if
 141 # an executable is not found, even if stderr is redirected.
 142 # Redirect stdin to placate older versions of autoconf.  Sigh.
 143 if ($2 --version) < /dev/null > /dev/null 2>&1; then
 144    $1=$2
 145    AC_MSG_RESULT(found)
 146 else
 147    $1="$3/missing $2"
 148    AC_MSG_RESULT(missing)
 149 fi
 150 AC_SUBST($1)])
 151
 152
 153 # serial 9 AM_PROG_LIBTOOL
 154 AC_DEFUN(AM_PROG_LIBTOOL,
 155 [AC_REQUIRE([AC_CANONICAL_HOST])
 156 AC_REQUIRE([AC_PROG_CC])
 157 AC_REQUIRE([AC_PROG_RANLIB])
 158 AC_REQUIRE([AM_PROG_LD])
 159 AC_REQUIRE([AC_PROG_LN_S])
 160
 161 # Always use our own libtool.
 162 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 163 AC_SUBST(LIBTOOL)
 164
 165 dnl CYGNUS LOCAL arguments to enable-shared
 166 dnl Allow the --disable-shared flag to stop us from building shared libs.
 167 AC_ARG_ENABLE(shared,
 168 [  --enable-shared         build shared libraries [default=yes]],
 169 [p=${PACKAGE-bogus-package-name}
 170  case "$enableval" in
 171   yes) enable_shared=yes ;;
 172   no) enable_shared=no ;;
 173   # The value of $p (aka $PACKAGE) is assumed to come from AM_INIT_AUTOMAKE.
 174   # If it didn't, it'll be `bogus-package-name', thus making this condition
 175   #  not be used.
 176   *$p*) enable_shared=yes ;;
 177   *) shared=no ;;
 178 esac])
 179 libtool_shared=
 180 test "$enable_shared" = no && libtool_shared=" --disable-shared"
 181 dnl END CYGNUS LOCAL
 182
 183 dnl Allow the --disable-static flag to stop us from building static libs.
 184 AC_ARG_ENABLE(static,
 185 [  --enable-static         build static libraries [default=yes]],
 186 [if test "$enableval" = no; then
 187   enable_static=no
 188 else
 189   enable_static=yes
 190 fi])
 191 libtool_static=
 192 test "$enable_static" = no && libtool_static=" --disable-static"
 193
 194 libtool_flags="$libtool_shared$libtool_static"
 195 test "$silent" = yes && libtool_flags="$libtool_flags --silent"
 196 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 197 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
 198
 199 # Some flags need to be propagated to the compiler or linker for good
 200 # libtool support.
 201 [case "$host" in
 202 *-*-irix6*)
 203   ac_save_CFLAGS="$CFLAGS"
 204   # -n32 always needs to be added to the linker when using GCC.
 205   test "$ac_cv_prog_gcc" = yes && CFLAGS="$CFLAGS -n32"
 206   for f in '-32' '-64' '-cckr' '-n32' '-mips1' '-mips2' '-mips3' '-mips4'; do
 207     if echo " $CC $CFLAGS " | egrep -e "[       ]$f[     ]" > /dev/null; then
 208       LD="${LD-ld} $f"
 209     fi
 210   done
 211   CFLAGS="$ac_save_CFLAGS"
 212   ;;
 213
 214 *-*-sco3.2v5*)
 215   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
 216   CFLAGS="$CFLAGS -belf"
 217   ;;
 218 esac]
 219
 220 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 221 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
 222 LD="$LD" RANLIB="$RANLIB" LN_S="$LN_S" \
 223 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
 224 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
 225 || AC_MSG_ERROR([libtool configure failed])
 226 ])
 227
 228 # AM_PROG_LD - find the path to the GNU or non-GNU linker
 229 AC_DEFUN(AM_PROG_LD,
 230 [AC_ARG_WITH(gnu-ld,
 231 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 232 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 233 if test "$with_gnu_ld" = yes; then
 234   AC_MSG_CHECKING([for GNU ld])
 235 else
 236   AC_MSG_CHECKING([for non-GNU ld])
 237 fi
 238 AC_CACHE_VAL(ac_cv_path_LD,
 239 [case "$LD" in
 240   "")
 241   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
 242   for ac_dir in $PATH; do
 243     test -z "$ac_dir" && ac_dir=.
 244     if test -f "$ac_dir/ld"; then
 245       ac_cv_path_LD="$ac_dir/ld"
 246       # Check to see if the program is GNU ld.  I'd rather use --version,
 247       # but apparently some GNU ld's only accept -v.
 248       # Break only if it was the GNU/non-GNU ld that we prefer.
 249       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
 250         test "$with_gnu_ld" = yes && break
 251       else
 252         test "$with_gnu_ld" != yes && break
 253       fi
 254     fi
 255   done
 256   IFS="$ac_save_ifs"
 257   ;;
 258   *)
 259   ac_cv_path_LD="$LD" # Let the user override the test with a path.
 260   ;;
 261 esac])
 262 LD="$ac_cv_path_LD"
 263 if test -n "$LD"; then
 264   AC_MSG_RESULT($LD)
 265 else
 266   AC_MSG_RESULT(no)
 267 fi
 268 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
 269 AC_SUBST(LD)
 270 AM_PROG_LD_GNU
 271 ])
 272
 273 AC_DEFUN(AM_PROG_LD_GNU,
 274 [AC_CACHE_CHECK([whether we are using GNU ld], ac_cv_prog_gnu_ld,
 275 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 276 if $LD -v 2>&1 </dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
 277   ac_cv_prog_gnu_ld=yes
 278 else
 279   ac_cv_prog_gnu_ld=no
 280 fi])
 281 ])
 282
 283 # Like AC_CONFIG_HEADER, but automatically create stamp file.
 284
 285 AC_DEFUN(AM_CONFIG_HEADER,
 286 [AC_PREREQ([2.12])
 287 AC_CONFIG_HEADER([$1])
 288 dnl When config.status generates a header, we must update the stamp-h file.
 289 dnl This file resides in the same directory as the config header
 290 dnl that is generated.  We must strip everything past the first ":",
 291 dnl and everything past the last "/".
 292 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
 293 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
 294 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
 295 <<am_indx=1
 296 for am_file in <<$1>>; do
 297   case " <<$>>CONFIG_HEADERS " in
 298   *" <<$>>am_file "*<<)>>
 299     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
 300     ;;
 301   esac
 302   am_indx=`expr "<<$>>am_indx" + 1`
 303 done<<>>dnl>>)
 304 changequote([,]))])
 305
 306 # Add --enable-maintainer-mode option to configure.
 307 # From Jim Meyering
 308
 309 # serial 1
 310
 311 AC_DEFUN(AM_MAINTAINER_MODE,
 312 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 313   dnl maintainer-mode is disabled by default
 314   AC_ARG_ENABLE(maintainer-mode,
 315 [  --enable-maintainer-mode enable make rules and dependencies not useful
 316                           (and sometimes confusing) to the casual installer],
 317       USE_MAINTAINER_MODE=$enableval,
 318       USE_MAINTAINER_MODE=no)
 319   AC_MSG_RESULT($USE_MAINTAINER_MODE)
 320   if test $USE_MAINTAINER_MODE = yes; then
 321     MAINT=
 322   else
 323     MAINT='#M#'
 324   fi
 325   AC_SUBST(MAINT)dnl
 326 ]
 327 )
 328
 329 # Check to see if we're running under Cygwin32, without using
 330 # AC_CANONICAL_*.  If so, set output variable CYGWIN32 to "yes".
 331 # Otherwise set it to "no".
 332
 333 dnl AM_CYGWIN32()
 334 AC_DEFUN(AM_CYGWIN32,
 335 [AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
 336 [AC_TRY_COMPILE(,[return __CYGWIN32__;],
 337 am_cv_cygwin32=yes, am_cv_cygwin32=no)
 338 rm -f conftest*])
 339 CYGWIN32=
 340 test "$am_cv_cygwin32" = yes && CYGWIN32=yes])
 341
 342 # Check to see if we're running under Win32, without using
 343 # AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
 344 # Otherwise set it to "".
 345
 346 dnl AM_EXEEXT()
 347 dnl This knows we add .exe if we're building in the Cygwin32
 348 dnl environment. But if we're not, then it compiles a test program
 349 dnl to see if there is a suffix for executables.
 350 AC_DEFUN(AM_EXEEXT,
 351 [AC_REQUIRE([AM_CYGWIN32])
 352 AC_REQUIRE([AM_MINGW32])
 353 AC_MSG_CHECKING([for executable suffix])
 354 AC_CACHE_VAL(am_cv_exeext,[
 355 if test "$CYGWIN32" = yes -o "$MINGW32" = yes; then
 356 am_cv_exeext=.exe
 357 else
 358 cat > am_c_test.c << 'EOF'
 359 int main() {
 360 /* Nothing needed here */
 361 }
 362 EOF
 363 ${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
 364 am_cv_exeext=`echo am_c_test.* | grep -v am_c_test.c | sed -e s/am_c_test//`
 365 rm -f am_c_test*])
 366 test x"${am_cv_exeext}" = x && am_cv_exeext=no
 367 fi
 368 EXEEXT=""
 369 test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
 370 AC_MSG_RESULT(${am_cv_exeext})
 371 AC_SUBST(EXEEXT)])
 372
 373 # Check to see if we're running under Mingw, without using
 374 # AC_CANONICAL_*.  If so, set output variable MINGW32 to "yes".
 375 # Otherwise set it to "no".
 376
 377 dnl AM_MINGW32()
 378 AC_DEFUN(AM_MINGW32,
 379 [AC_CACHE_CHECK(for Mingw32 environment, am_cv_mingw32,
 380 [AC_TRY_COMPILE(,[return __MINGW32__;],
 381 am_cv_mingw32=yes, am_cv_mingw32=no)
 382 rm -f conftest*])
 383 MINGW32=
 384 test "$am_cv_mingw32" = yes && MINGW32=yes])
 385