boehm-gc/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 # Copyright (c) 1999-2001, 2002 by Red Hat, Inc. All rights reserved.
  14 #
  15 # THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  16 # OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
  17 #
  18 # Permission is hereby granted to use or copy this program
  19 # for any purpose,  provided the above notices are retained on all copies.
  20 # Permission to modify the code and to distribute modified code is granted,
  21 # provided the above notices are retained, and a notice that the code was
  22 # modified is included with the above copyright notice.
  23 #
  24 # Original author: Tom Tromey
  25
  26 AC_DEFUN(GC_CONFIGURE,
  27 [
  28
  29 AM_INIT_AUTOMAKE(gc, 6.1a1, no-define)
  30
  31 # The autoconf 2.5x version of the no-executables hack.
  32 sinclude(../config/no-executables.m4)
  33 GCC_NO_EXECUTABLES
  34
  35 AC_PROG_CC
  36 AC_PROG_CXX
  37
  38 AC_CHECK_TOOL(AS, as)
  39 AC_CHECK_TOOL(AR, ar)
  40 AC_CHECK_TOOL(RANLIB, ranlib, :)
  41
  42 AC_PROG_INSTALL
  43
  44 AM_MAINTAINER_MODE
  45
  46 # We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
  47 # at least currently, we never actually build a program, so we never
  48 # need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
  49 # fails, because we are probably configuring with a cross compiler
  50 # which can't create executables.  So we include AC_EXEEXT to keep
  51 # automake happy, but we don't execute it, since we don't care about
  52 # the result.
  53 if false; then
  54   # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
  55   # to nothing, so nothing would remain between `then' and `fi' if it
  56   # were not for the `:' below.
  57   :
  58   AC_EXEEXT
  59 fi
  60
  61 . [$]{srcdir}/configure.host
  62
  63 case [$]{gc_basedir} in
  64 /* | [A-Za-z]:[/\\]*) gc_flagbasedir=[$]{gc_basedir} ;;
  65 *) gc_flagbasedir='[$](top_builddir)/'[$]{gc_basedir} ;;
  66 esac
  67
  68 gc_cflags="[$]{gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{gc_flagbasedir}/libc/include"
  69 case "${host}" in
  70   *-*-cygwin32*)
  71     gc_cflags="[$]{gc_cflags} -I[$]{gc_flagbasedir}/../winsup/include"
  72     ;;
  73 esac
  74
  75 dnl gc_cflags="[$]{gc_cflags} -fno-builtin"
  76
  77 GC_CFLAGS=${gc_cflags}
  78 AC_SUBST(GC_CFLAGS)
  79 ]))
  80
  81 ))))
  82
  83 sinclude(../libtool.m4)
  84 dnl The line below arranges for aclocal not to bring a definition of
  85 dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake
  86 dnl to add a definition of LIBTOOL to Makefile.in.
  87 ifelse(yes,no,[AC_DEFUN([AM_PROG_LIBTOOL],[AC_SUBST(LIBTOOL)])])
  88
  89 # Do all the work for Automake.  This macro actually does too much --
  90 # some checks are only needed if your package does certain things.
  91 # But this isn't really a big deal.
  92
  93 # serial 1
  94
  95 dnl Usage:
  96 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
  97
  98 AC_DEFUN(AM_INIT_AUTOMAKE,
  99 [AC_REQUIRE([AC_PROG_INSTALL])
 100 PACKAGE=[$1]
 101 AC_SUBST(PACKAGE)
 102 VERSION=[$2]
 103 AC_SUBST(VERSION)
 104 dnl test to see if srcdir already configured
 105 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
 106   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 107 fi
 108 ifelse([$3],,
 109 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
 110 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
 111 AC_REQUIRE([AM_SANITY_CHECK])
 112 AC_REQUIRE([AC_ARG_PROGRAM])
 113 dnl FIXME This is truly gross.
 114 missing_dir=`cd $ac_aux_dir && pwd`
 115 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 116 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 117 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 118 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 119 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 120 AC_REQUIRE([AC_PROG_MAKE_SET])])
 121
 122 #
 123 # Check to make sure that the build environment is sane.
 124 #
 125
 126 AC_DEFUN(AM_SANITY_CHECK,
 127 [AC_MSG_CHECKING([whether build environment is sane])
 128 # Just in case
 129 sleep 1
 130 echo timestamp > conftestfile
 131 # Do `set' in a subshell so we don't clobber the current shell's
 132 # arguments.  Must try -L first in case configure is actually a
 133 # symlink; some systems play weird games with the mod time of symlinks
 134 # (eg FreeBSD returns the mod time of the symlink's containing
 135 # directory).
 136 if (
 137    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
 138    if test "[$]*" = "X"; then
 139       # -L didn't work.
 140       set X `ls -t $srcdir/configure conftestfile`
 141    fi
 142    if test "[$]*" != "X $srcdir/configure conftestfile" \
 143       && test "[$]*" != "X conftestfile $srcdir/configure"; then
 144
 145       # If neither matched, then we have a broken ls.  This can happen
 146       # if, for instance, CONFIG_SHELL is bash and it inherits a
 147       # broken ls alias from the environment.  This has actually
 148       # happened.  Such a system could not be considered "sane".
 149       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 150 alias in your environment])
 151    fi
 152
 153    test "[$]2" = conftestfile
 154    )
 155 then
 156    # Ok.
 157    :
 158 else
 159    AC_MSG_ERROR([newly created file is older than distributed files!
 160 Check your system clock])
 161 fi
 162 rm -f conftest*
 163 AC_MSG_RESULT(yes)])
 164
 165 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
 166 dnl The program must properly implement --version.
 167 AC_DEFUN(AM_MISSING_PROG,
 168 [AC_MSG_CHECKING(for working $2)
 169 # Run test in a subshell; some versions of sh will print an error if
 170 # an executable is not found, even if stderr is redirected.
 171 # Redirect stdin to placate older versions of autoconf.  Sigh.
 172 if ($2 --version) < /dev/null > /dev/null 2>&1; then
 173    $1=$2
 174    AC_MSG_RESULT(found)
 175 else
 176    $1="$3/missing $2"
 177    AC_MSG_RESULT(missing)
 178 fi
 179 AC_SUBST($1)])
 180
 181 # Add --enable-maintainer-mode option to configure.
 182 # From Jim Meyering
 183
 184 # serial 1
 185
 186 AC_DEFUN(AM_MAINTAINER_MODE,
 187 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 188   dnl maintainer-mode is disabled by default
 189   AC_ARG_ENABLE(maintainer-mode,
 190 [  --enable-maintainer-mode enable make rules and dependencies not useful
 191                           (and sometimes confusing) to the casual installer],
 192       USE_MAINTAINER_MODE=$enableval,
 193       USE_MAINTAINER_MODE=no)
 194   AC_MSG_RESULT($USE_MAINTAINER_MODE)
 195   AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
 196   MAINT=$MAINTAINER_MODE_TRUE
 197   AC_SUBST(MAINT)dnl
 198 ]
 199 )
 200
 201 # Define a conditional.
 202
 203 AC_DEFUN(AM_CONDITIONAL,
 204 [AC_SUBST($1_TRUE)
 205 AC_SUBST($1_FALSE)
 206 if $2; then
 207   $1_TRUE=
 208   $1_FALSE='#'
 209 else
 210   $1_TRUE='#'
 211   $1_FALSE=
 212 fi])
 213