gas/aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.4
   2
   3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
   4 dnl This file 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 if test $gas_cv_decl_needed_$1 = yes; then
  25  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
  26            [Define if $1 is not declared in system header files.])
  27 fi
  28 ])dnl
  29 dnl
  30 dnl Some non-ANSI preprocessors botch requoting inside strings.  That's bad
  31 dnl enough, but on some of those systems, the assert macro relies on requoting
  32 dnl working properly!
  33 dnl GAS_WORKING_ASSERT
  34 AC_DEFUN(GAS_WORKING_ASSERT,
  35 [AC_MSG_CHECKING([for working assert macro])
  36 AC_CACHE_VAL(gas_cv_assert_ok,
  37 AC_TRY_LINK([#include <assert.h>
  38 #include <stdio.h>], [
  39 /* check for requoting problems */
  40 static int a, b, c, d;
  41 static char *s;
  42 assert (!strcmp(s, "foo bar baz quux"));
  43 /* check for newline handling */
  44 assert (a == b
  45         || c == d);
  46 ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
  47 AC_MSG_RESULT($gas_cv_assert_ok)
  48 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?])
  49 ])dnl
  50 dnl
  51 dnl Since many Bourne shell implementations lack subroutines, use this
  52 dnl hack to simplify the code in configure.in.
  53 dnl GAS_UNIQ(listvar)
  54 AC_DEFUN(GAS_UNIQ,
  55 [_gas_uniq_list="[$]$1"
  56 _gas_uniq_newlist=""
  57 dnl Protect against empty input list.
  58 for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
  59   case [$]_gas_uniq_i in
  60   _gas_uniq_dummy) ;;
  61   *) case " [$]_gas_uniq_newlist " in
  62        *" [$]_gas_uniq_i "*) ;;
  63        *) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;;
  64      esac ;;
  65   esac
  66 done
  67 $1=[$]_gas_uniq_newlist
  68 ])dnl
  69
  70 sinclude(../libtool.m4)
  71 dnl The lines below arrange for aclocal not to bring libtool.m4
  72 dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake
  73 dnl to add a definition of LIBTOOL to Makefile.in.
  74 ifelse(yes,no,[
  75 AC_DEFUN([AM_PROG_LIBTOOL],)
  76 AC_DEFUN([AC_CHECK_LIBM],)
  77 AC_SUBST(LIBTOOL)
  78 ])
  79
  80 sinclude(../gettext.m4)
  81 ifelse(yes,no,[
  82 AC_DEFUN([CY_WITH_NLS],)
  83 AC_SUBST(INTLLIBS)
  84 ])
  85
  86 #serial 1
  87 # This test replaces the one in autoconf.
  88 # Currently this macro should have the same name as the autoconf macro
  89 # because gettext's gettext.m4 (distributed in the automake package)
  90 # still uses it.  Otherwise, the use in gettext.m4 makes autoheader
  91 # give these diagnostics:
  92 #   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
  93 #   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
  94
  95 undefine([AC_ISC_POSIX])
  96
  97 AC_DEFUN(AC_ISC_POSIX,
  98   [
  99     dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
 100     AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
 101   ]
 102 )
 103
 104 # Do all the work for Automake.  This macro actually does too much --
 105 # some checks are only needed if your package does certain things.
 106 # But this isn't really a big deal.
 107
 108 # serial 1
 109
 110 dnl Usage:
 111 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
 112
 113 AC_DEFUN(AM_INIT_AUTOMAKE,
 114 [AC_REQUIRE([AC_PROG_INSTALL])
 115 PACKAGE=[$1]
 116 AC_SUBST(PACKAGE)
 117 VERSION=[$2]
 118 AC_SUBST(VERSION)
 119 dnl test to see if srcdir already configured
 120 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
 121   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 122 fi
 123 ifelse([$3],,
 124 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
 125 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
 126 AC_REQUIRE([AM_SANITY_CHECK])
 127 AC_REQUIRE([AC_ARG_PROGRAM])
 128 dnl FIXME This is truly gross.
 129 missing_dir=`cd $ac_aux_dir && pwd`
 130 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 131 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 132 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 133 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 134 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 135 AC_REQUIRE([AC_PROG_MAKE_SET])])
 136
 137 #
 138 # Check to make sure that the build environment is sane.
 139 #
 140
 141 AC_DEFUN(AM_SANITY_CHECK,
 142 [AC_MSG_CHECKING([whether build environment is sane])
 143 # Just in case
 144 sleep 1
 145 echo timestamp > conftestfile
 146 # Do `set' in a subshell so we don't clobber the current shell's
 147 # arguments.  Must try -L first in case configure is actually a
 148 # symlink; some systems play weird games with the mod time of symlinks
 149 # (eg FreeBSD returns the mod time of the symlink's containing
 150 # directory).
 151 if (
 152    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
 153    if test "[$]*" = "X"; then
 154       # -L didn't work.
 155       set X `ls -t $srcdir/configure conftestfile`
 156    fi
 157    if test "[$]*" != "X $srcdir/configure conftestfile" \
 158       && test "[$]*" != "X conftestfile $srcdir/configure"; then
 159
 160       # If neither matched, then we have a broken ls.  This can happen
 161       # if, for instance, CONFIG_SHELL is bash and it inherits a
 162       # broken ls alias from the environment.  This has actually
 163       # happened.  Such a system could not be considered "sane".
 164       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 165 alias in your environment])
 166    fi
 167
 168    test "[$]2" = conftestfile
 169    )
 170 then
 171    # Ok.
 172    :
 173 else
 174    AC_MSG_ERROR([newly created file is older than distributed files!
 175 Check your system clock])
 176 fi
 177 rm -f conftest*
 178 AC_MSG_RESULT(yes)])
 179
 180 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
 181 dnl The program must properly implement --version.
 182 AC_DEFUN(AM_MISSING_PROG,
 183 [AC_MSG_CHECKING(for working $2)
 184 # Run test in a subshell; some versions of sh will print an error if
 185 # an executable is not found, even if stderr is redirected.
 186 # Redirect stdin to placate older versions of autoconf.  Sigh.
 187 if ($2 --version) < /dev/null > /dev/null 2>&1; then
 188    $1=$2
 189    AC_MSG_RESULT(found)
 190 else
 191    $1="$3/missing $2"
 192    AC_MSG_RESULT(missing)
 193 fi
 194 AC_SUBST($1)])
 195
 196 # Like AC_CONFIG_HEADER, but automatically create stamp file.
 197
 198 AC_DEFUN(AM_CONFIG_HEADER,
 199 [AC_PREREQ([2.12])
 200 AC_CONFIG_HEADER([$1])
 201 dnl When config.status generates a header, we must update the stamp-h file.
 202 dnl This file resides in the same directory as the config header
 203 dnl that is generated.  We must strip everything past the first ":",
 204 dnl and everything past the last "/".
 205 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
 206 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
 207 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
 208 <<am_indx=1
 209 for am_file in <<$1>>; do
 210   case " <<$>>CONFIG_HEADERS " in
 211   *" <<$>>am_file "*<<)>>
 212     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
 213     ;;
 214   esac
 215   am_indx=`expr "<<$>>am_indx" + 1`
 216 done<<>>dnl>>)
 217 changequote([,]))])
 218
 219
 220 dnl AM_PROG_LEX
 221 dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
 222 AC_DEFUN(AM_PROG_LEX,
 223 [missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
 224 AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
 225 AC_PROG_LEX
 226 AC_DECL_YYTEXT])
 227
 228 # Add --enable-maintainer-mode option to configure.
 229 # From Jim Meyering
 230
 231 # serial 1
 232
 233 AC_DEFUN(AM_MAINTAINER_MODE,
 234 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 235   dnl maintainer-mode is disabled by default
 236   AC_ARG_ENABLE(maintainer-mode,
 237 [  --enable-maintainer-mode enable make rules and dependencies not useful
 238                           (and sometimes confusing) to the casual installer],
 239       USE_MAINTAINER_MODE=$enableval,
 240       USE_MAINTAINER_MODE=no)
 241   AC_MSG_RESULT($USE_MAINTAINER_MODE)
 242   AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
 243   MAINT=$MAINTAINER_MODE_TRUE
 244   AC_SUBST(MAINT)dnl
 245 ]
 246 )
 247
 248 # Define a conditional.
 249
 250 AC_DEFUN(AM_CONDITIONAL,
 251 [AC_SUBST($1_TRUE)
 252 AC_SUBST($1_FALSE)
 253 if $2; then
 254   $1_TRUE=
 255   $1_FALSE='#'
 256 else
 257   $1_TRUE='#'
 258   $1_FALSE=
 259 fi])
 260