1 dnl aclocal.m4 generated automatically by aclocal 1.4a
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.
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.
14 dnl check for signal type
16 dnl AC_RETSIGTYPE isn't quite right, but almost.
19 AC_MSG_CHECKING([POSIX signal handlers])
20 AC_CACHE_VAL(cv_has_posix_signals,
22 [#include <sys/types.h>
27 extern void (*signal ()) ();], [],
28 cv_has_posix_signals=yes, cv_has_posix_signals=no)])
29 AC_MSG_RESULT($cv_has_posix_signals)
30 if test $cv_has_posix_signals = yes; then
31 AC_DEFINE(RETSIGTYPE, void, [Return type is void])
32 AC_DEFINE(POSIX_SIGTYPE, [], [Have POSIX signals])
34 if test $ac_cv_type_signal = void; then
35 AC_DEFINE(RETSIGTYPE, void, [Return type is void])
37 AC_DEFINE(RETSIGTYPE, int, [Return type is int])
41 # Like AC_CONFIG_HEADER, but automatically create stamp file.
43 AC_DEFUN(AM_CONFIG_HEADER,
45 AC_CONFIG_HEADER([$1])
46 dnl When config.status generates a header, we must update the stamp-h file.
47 dnl This file resides in the same directory as the config header
48 dnl that is generated. We must strip everything past the first ":",
49 dnl and everything past the last "/".
50 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
51 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
52 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
54 for am_file in <<$1>>; do
55 case " <<$>>CONFIG_HEADERS " in
56 *" <<$>>am_file "*<<)>>
57 echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
60 am_indx=`expr "<<$>>am_indx" + 1`
64 # Do all the work for Automake. This macro actually does too much --
65 # some checks are only needed if your package does certain things.
66 # But this isn't really a big deal.
71 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
73 AC_DEFUN(AM_INIT_AUTOMAKE,
74 [AC_REQUIRE([AC_PROG_INSTALL])
75 dnl We require 2.13 because we rely on SHELL being computed by configure.
81 dnl test to see if srcdir already configured
82 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
83 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
86 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
87 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
88 AC_REQUIRE([AM_SANITY_CHECK])
89 AC_REQUIRE([AC_ARG_PROGRAM])
90 dnl FIXME This is truly gross.
91 missing_dir=`cd $ac_aux_dir && pwd`
92 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
93 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
94 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
95 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
96 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
97 AC_REQUIRE([AC_PROG_MAKE_SET])])
100 # Check to make sure that the build environment is sane.
103 AC_DEFUN(AM_SANITY_CHECK,
104 [AC_MSG_CHECKING([whether build environment is sane])
107 echo timestamp > conftestfile
108 # Do `set' in a subshell so we don't clobber the current shell's
109 # arguments. Must try -L first in case configure is actually a
110 # symlink; some systems play weird games with the mod time of symlinks
111 # (eg FreeBSD returns the mod time of the symlink's containing
114 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
115 if test "[$]*" = "X"; then
117 set X `ls -t $srcdir/configure conftestfile`
119 if test "[$]*" != "X $srcdir/configure conftestfile" \
120 && test "[$]*" != "X conftestfile $srcdir/configure"; then
122 # If neither matched, then we have a broken ls. This can happen
123 # if, for instance, CONFIG_SHELL is bash and it inherits a
124 # broken ls alias from the environment. This has actually
125 # happened. Such a system could not be considered "sane".
126 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
127 alias in your environment])
130 test "[$]2" = conftestfile
136 AC_MSG_ERROR([newly created file is older than distributed files!
137 Check your system clock])
142 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
143 dnl The program must properly implement --version.
144 AC_DEFUN(AM_MISSING_PROG,
145 [AC_MSG_CHECKING(for working $2)
146 # Run test in a subshell; some versions of sh will print an error if
147 # an executable is not found, even if stderr is redirected.
148 # Redirect stdin to placate older versions of autoconf. Sigh.
149 if ($2 --version) < /dev/null > /dev/null 2>&1; then
154 AC_MSG_RESULT(missing)