2 # Guess values for system-dependent variables and create Makefiles.
3 # Generated automatically using autoconf.
4 # Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2, or (at your option)
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 # Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp] [--no-create]
21 # [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE] [TARGET]
22 # Ignores all args except --srcdir, --prefix, --exec-prefix, --no-create, and
23 # --with-PACKAGE unless this script has special code to handle it.
28 # Handle --exec-prefix with a space before the argument.
29 if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
30 # Handle --host with a space before the argument.
31 elif test x$next_host = xyes; then next_host=
32 # Handle --prefix with a space before the argument.
33 elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
34 # Handle --srcdir with a space before the argument.
35 elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
38 # For backward compatibility, also recognize exact --exec_prefix.
39 -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* | --exec=* | --exe=* | --ex=* | --e=*)
40 exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
41 -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
42 next_exec_prefix=yes ;;
44 -gas | --gas | --ga | --g) ;;
46 -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
47 -host | --host | --hos | --ho | --h)
50 -nfp | --nfp | --nf) ;;
52 -no-create | --no-create | --no-creat | --no-crea | --no-cre | --no-cr | --no-c | --no- | --no)
55 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
56 prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
57 -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
60 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
61 srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
62 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
66 package=`echo $arg|sed 's/-*with-//'`
67 # Delete all the valid chars; see if any are left.
68 if test -n "`echo $package|sed 's/[-a-zA-Z0-9_]*//g'`"; then
69 echo "configure: $package: invalid package name" >&2; exit 1
71 eval "with_`echo $package|sed s/-/_/g`=1" ;;
78 trap 'rm -f conftest* core; exit 1' 1 3 15
81 compile='${CC-cc} $CFLAGS $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
83 # A filename unique to this package, relative to the directory that
84 # configure is in, which we can look for to find out if srcdir is correct.
87 # Find the source files, if location was not specified.
88 if test -z "$srcdir"; then
90 # Try the directory containing this script, then `..'.
92 confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
93 test "X$confdir" = "X$prog" && confdir=.
95 if test ! -r $srcdir/$unique_file; then
99 if test ! -r $srcdir/$unique_file; then
100 if test x$srcdirdefaulted = xyes; then
101 echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
103 echo "configure: Can not find sources in \`${srcdir}'." 1>&2
107 # Preserve a srcdir of `.' to avoid automounter screwups with pwd.
108 # But we can't avoid them for `..', to make subdirectories work.
111 *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
115 if test -z "$CC"; then
116 echo checking for gcc
117 saveifs="$IFS"; IFS="${IFS}:"
119 test -z "$dir" && dir=.
120 if test -f $dir/gcc; then
127 test -z "$CC" && CC="cc"
129 # Find out if we are using GNU C, under whatever name.
130 cat > conftest.c <<EOF
135 ${CC-cc} -E conftest.c > conftest.out 2>&1
136 if egrep yes conftest.out >/dev/null 2>&1; then
137 GCC=1 # For later tests.
141 # Make sure to not get the incompatible SysV /etc/install and
142 # /usr/sbin/install, which might be in PATH before a BSD-like install,
143 # or the SunOS /usr/etc/install directory, or the AIX /bin/install,
144 # or the AFS install, which mishandles nonexistent args. (Sigh.)
145 if test -z "$INSTALL"; then
146 echo checking for install
147 saveifs="$IFS"; IFS="${IFS}:"
149 test -z "$dir" && dir=.
151 /etc|/usr/sbin|/usr/etc|/usr/afsws/bin) ;;
153 if test -f $dir/install; then
154 if grep dspmsg $dir/install >/dev/null 2>&1; then
157 INSTALL="$dir/install -c"
158 INSTALL_PROGRAM='$(INSTALL)'
159 INSTALL_DATA='$(INSTALL) -m 644'
168 INSTALL=${INSTALL-cp}
169 INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
170 INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
173 echo checking for AIX
174 echo checking how to run the C preprocessor
175 if test -z "$CPP"; then
177 cat > conftest.c <<EOF
180 err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
181 if test -z "$err"; then
189 cat > conftest.c <<EOF
195 eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
196 if egrep "yes" conftest.out >/dev/null 2>&1; then
197 DEFS="$DEFS -D_ALL_SOURCE=1"
202 echo checking for DYNIX/ptx libseq
203 cat > conftest.c <<EOF
204 #if defined(_SEQUENT_)
209 eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
210 if egrep "yes" conftest.out >/dev/null 2>&1; then
215 test -n "$SEQUENT" && test -f /usr/lib/libseq.a &&
218 echo checking for POSIXized ISC
219 if test -d /etc/conf/kconfig.d &&
220 grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
222 ISC=1 # If later tests want to check for ISC.
223 DEFS="$DEFS -D_POSIX_SOURCE=1"
224 if test -n "$GCC"; then
231 echo checking for minix/config.h
232 cat > conftest.c <<EOF
233 #include <minix/config.h>
235 err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
236 if test -z "$err"; then
241 # The Minix shell can't assign to the same variable on the same line!
242 if test -n "$MINIX"; then
243 DEFS="$DEFS -D_POSIX_SOURCE=1"
244 DEFS="$DEFS -D_POSIX_1_SOURCE=2"
245 DEFS="$DEFS -D_MINIX=1"
249 echo checking for ANSI C header files
250 cat > conftest.c <<EOF
256 err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
257 if test -z "$err"; then
258 # SunOS string.h does not declare mem*, contrary to ANSI.
259 echo '#include <string.h>' > conftest.c
260 eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
261 if egrep "memchr" conftest.out >/dev/null 2>&1; then
262 # SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
263 cat > conftest.c <<EOF
265 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
266 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
267 #define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
268 int main () { int i; for (i = 0; i < 256; i++)
269 if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
274 if test -s conftest && (./conftest; exit) 2>/dev/null; then
275 DEFS="$DEFS -DSTDC_HEADERS=1"
286 trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
287 echo checking for ${hdr}
288 cat > conftest.c <<EOF
291 err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
292 if test -z "$err"; then
293 DEFS="$DEFS -D${trhdr}=1"
299 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
300 # for constant arguments. Useless!
301 echo checking for working alloca.h
302 cat > conftest.c <<EOF
305 t() { char *p = alloca(2 * sizeof(int)); }
307 if eval $compile; then
308 DEFS="$DEFS -DHAVE_ALLOCA_H=1"
312 decl="#ifdef __GNUC__
313 #define alloca __builtin_alloca
326 echo checking for alloca
327 cat > conftest.c <<EOF
330 t() { char *p = (char *) alloca(1); }
332 if eval $compile; then
339 if test -n "$alloca_missing"; then
340 # The SVR3 libPW and SVR4 libucb both contain incompatible functions
341 # that cause trouble. Some versions do not even contain alloca or
342 # contain a buggy version. If you still want to use their alloca,
343 # use ar to extract alloca.o from them instead of compiling alloca.c.
347 prog='/* Ultrix mips cc rejects this. */
348 typedef int charset[2]; const charset x;
349 /* SunOS 4.1.1 cc rejects this. */
350 char const *const *p;
352 /* HPUX 7.0 cc rejects these. */
354 p2 = (char const* const*) p;'
355 echo checking for working const
356 cat > conftest.c <<EOF
361 if eval $compile; then
364 DEFS="$DEFS -Dconst="
371 echo checking for gcc to derive installation directory prefix
372 saveifs="$IFS"; IFS="$IFS:"
374 test -z "$dir" && dir=.
375 if test $dir != . && test -f $dir/gcc; then
376 # Not all systems have dirname.
377 prefix=`echo $dir|sed 's%/[^/][^/]*$%%'`
385 if test -n "$prefix"; then
386 test -z "$exec_prefix" && exec_prefix='${prefix}'
387 prsub="s%^prefix\\([ ]*\\)=\\([ ]*\\).*$%prefix\\1=\\2$prefix%"
389 if test -n "$exec_prefix"; then
391 s%^exec_prefix\\([ ]*\\)=\\([ ]*\\).*$%\
392 exec_prefix\\1=\\2$exec_prefix%"
395 trap 'rm -f config.status; exit 1' 1 3 15
396 echo creating config.status
398 cat > config.status <<EOF
400 # Generated automatically by configure.
401 # Run this file to recreate the current configuration.
402 # This directory was configured as follows,
403 # on host `(hostname || uname -n) 2>/dev/null`:
410 -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
411 exec /bin/sh $0 $* ;;
412 *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
416 trap 'rm -f Makefile doc/Makefile test/Makefile; exit 1' 1 3 15
419 INSTALL_PROGRAM='$INSTALL_PROGRAM'
420 INSTALL_DATA='$INSTALL_DATA'
427 exec_prefix='$exec_prefix'
430 cat >> config.status <<\EOF
433 for file in .. Makefile doc/Makefile test/Makefile; do if [ "x$file" != "x.." ]; then
435 # Remove last slash and all that follows it. Not all systems have dirname.
436 dir=`echo $file|sed 's%/[^/][^/]*$%%'`
437 if test "$dir" != "$file"; then
438 test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
439 test ! -d $dir && mkdir $dir
443 echo "# Generated automatically from `echo $file|sed 's|.*/||'`.in by configure." > $file
447 s%@INSTALL@%$INSTALL%g
448 s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
449 s%@INSTALL_DATA@%$INSTALL_DATA%g
455 " $top_srcdir/${file}.in >> $file
460 chmod +x config.status
461 test -n "$no_create" || ./config.status