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- #!/bin/sh
- # Guess values for system-dependent variables and create Makefiles.
- # Generated automatically using autoconf.
- # Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2, or (at your option)
- # any later version.
-
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
-
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- # Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp]
- # [--prefix=PREFIX] [--exec_prefix=PREFIX] [--with-PROGRAM] [TARGET]
- # Ignores all args except --srcdir, --prefix, and --exec_prefix.
-
- trap 'rm -f conftest* core; exit 1' 1 3 15
-
- for arg in $*; do
- # Handle --exec_prefix with a space before the argument.
- if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
- # Handle --host with a space before the argument.
- elif test x$next_host = xyes; then next_host=
- # Handle --prefix with a space before the argument.
- elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
- # Handle --srcdir with a space before the argument.
- elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
- else
- case $arg in
- -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
- exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
- next_exec_prefix=yes ;;
-
- -gas | --gas | --ga | --g) ;;
-
- -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
- -host | --host | --hos | --ho | --h)
- next_host=yes ;;
-
- -nfp | --nfp | --nf | --n) ;;
-
- -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
- prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
- next_prefix=yes ;;
-
- -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
- srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
- next_srcdir=yes ;;
-
- -with-* | --with-*) ;;
-
- *) ;;
- esac
- fi
- done
-
- test -z "$exec_prefix" && exec_prefix='$(prefix)'
-
- INCLUDEDIR=${INCLUDEDIR-/usr/include}
-
- rm -f conftest*
- compile='${CC-cc} $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
-
- # A filename unique to this package, relative to the directory that
- # configure is in, which we can look for to find out if srcdir is correct.
- unique_file=grep.c
-
- # Makefile rules whose targets are searched for in VPATH need to use $<.
- # However, old makes do not support it, so we use a combination
- # construction in Makefile.in: `$file<'.
- # If srcdir is `.', we use sed to change that to `file' for old makes.
- # Otherwise, we use sed to change it to `$<'.
- # vpsub is the sed program, which changes `$file<' to one or the other.
- vpsub='s,\$\([-./a-zA-Z0-9_][-./a-zA-Z0-9_]*\)<,\1,g'
- # srsub changes `@srcdir@' in Makefile.in into either `.' or the path
- # of the top of the source tree for the package.
- srsub='s,@srcdir@,.,'
-
- # Find the source files, if location was not specified.
- if test -z "$srcdir"; then
- srcdirdefaulted=yes; srcdir=.
- if test ! -r $unique_file; then srcdir=..; fi
- fi
- if test ! -r $srcdir/$unique_file; then
- if test x$srcdirdefaulted = xyes; then
- echo "configure: Can not find sources in \`.' or \`..'." 1>&2
- else
- echo "configure: Can not find sources in \`${srcdir}'." 1>&2
- fi
- exit 1
- fi
- if test $srcdir != .; then
- VPATH='VPATH = $(srcdir)'
- case $srcdir in
- /*|~*) ;;
- *) srcdir=`pwd`/$srcdir ;; # Make relative path absolute.
- esac
- vpsub='s,\$\([-./a-zA-Z0-9_][-./a-zA-Z0-9_]*\)<,\$<,g'
- srsub="s,@srcdir@,$srcdir,"
- fi
-
-
- # The Bourne shell writes "command not found" to /dev/tty, so if we get
- # a usage message on stderr, we have the program.
- #
- # ksh and zsh write "command not found" to stderr, but test -n does not
- # want any output if there is no program. So we use the `type' builtin
- # instead for them (and bash).
- if test "$RANDOM" = "$RANDOM"; then
- checkfor='test -n "`$checkprog $checkargs 2>&1`"'
- else
- checkfor='type $checkprog >/dev/null 2>&1'
- fi
-
- echo checking for gcc
- checkprog=gcc checkargs=''
- test -z "$CC" && eval $checkfor && CC='gcc '
- CC=${CC-cc}
-
- # Find out if we are using GNU C, under whatever name.
- cat <<EOF > conftest.c
- main() {
- #ifdef __GNUC__
- exit(0);
- #else
- exit(1);
- #endif
- }
- EOF
- eval $compile
- if test -s conftest && (./conftest) 2>/dev/null; then
- GCC=1 # For later tests.
- CC="$CC -O"
- else
- :
- fi
- rm -f conftest*
-
- echo checking for install
- # Make sure to not get the incompatible SysV /etc/install and
- # /usr/sbin/install, which might be in PATH before a BSD-like install.
- if test -z "$INSTALL"; then
- saveifs="$IFS"; IFS="$IFS:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- case $dir in
- /etc|/usr/sbin) ;;
- *)
- if test -f $dir/install; then
- INSTALL="$dir/install -c"
- INSTALL_PROGRAM='$(INSTALL)'
- INSTALL_DATA='$(INSTALL) -m 644'
- break
- fi
- ;;
- esac
- done
- IFS="$saveifs"
- fi
- INSTALL=${INSTALL-cp}
- INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
- INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
-
- echo checking for ANSI C header files
- test -r $INCLUDEDIR/stdlib.h && test -r $INCLUDEDIR/string.h &&
- test -r $INCLUDEDIR/limits.h && DEFS="$DEFS -DSTDC_HEADERS=1"
-
- echo checking for BSD string and memory functions
- echo "#include <strings.h>
- main() { exit(0); } t() { rindex(0, 0); bzero(0, 0); }" > conftest.c
- eval $compile
- if test -s conftest && (./conftest) 2>/dev/null; then :
- else
- DEFS="$DEFS -DUSG=1"
- fi
- rm -f conftest*
-
- echo checking for unistd.h
- test -f $INCLUDEDIR/unistd.h && DEFS="$DEFS -DHAVE_UNISTD_H=1"
-
- echo checking for unsigned characters
- cat <<EOF > conftest.c
-
- /* volatile prevents gcc2 from optimizing the test away on sparcs. */
- #if !__STDC__
- #define volatile
- #endif
- main() {
- #ifdef __CHAR_UNSIGNED__
- exit(1); /* No need to redefine it. */
- #else
- volatile char c = 255; exit(c < 0);
- #endif
- }
- EOF
- eval $compile
- if test -s conftest && (./conftest) 2>/dev/null; then
- DEFS="$DEFS -D__CHAR_UNSIGNED__=1"
- else
- :
- fi
- rm -f conftest*
-
- decl="#ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- #ifdef _AIX
- #pragma alloca
- #else
- char *alloca ();
- #endif
- #endif
- #endif
- "
- echo checking for alloca
- echo "$decl
- main() { exit(0); } t() { char *p = (char *) alloca(1); }" > conftest.c
- eval $compile
- if test -s conftest && (./conftest) 2>/dev/null; then :
- else
- alloca_missing=1
- fi
- rm -f conftest*
-
- if test -n "$alloca_missing"; then
- SAVELIBS="$LIBS"
- # Maybe alloca is in a different library.
- if test -f /usr/ucblib/libucb.a; then
- LIBS="$LIBS -L/usr/ucblib -lucb" trylib=-lucb # SVR4
- elif test -f /lib/libPW.a; then
- LIBS="$LIBS -lPW" trylib=-lPW # SVR2 and SVR3
- fi
- if test -n "$trylib"; then
- alloca_missing=
- echo checking for alloca in $trylib
- echo "$decl
- main() { exit(0); } t() { char *p = (char *) alloca(1); }" > conftest.c
- eval $compile
- if test -s conftest && (./conftest) 2>/dev/null; then :
- else
- alloca_missing=1
- fi
- rm -f conftest*
-
- fi
- if test -n "$alloca_missing"; then
- LIBS="$SAVELIBS" ALLOCA=alloca.o
- fi
- fi
-
- trap 'rm -f Makefile config.status; exit 1' 1 3 15
-
- if test -n "$prefix"; then
- prsub="s,^prefix[ ]*=.*$,prefix = $prefix,
- s,^exec_prefix[ ]*=.*$,exec_prefix = $exec_prefix,"
- fi
-
- for file in Makefile; do
- # Not all systems have dirname.
- dir=`echo $file|sed 's,/[^/][^/]*$,,'`
- test "$dir" != "$file" && test ! -d $dir && mkdir $dir
- echo creating $file
- echo "# Generated automatically from `basename $file`.in by configure." > $file
- sed -e "
- $vpsub
- $srsub
- s,@VPATH@,$VPATH,
- $prsub
- s,@CC@,$CC,
- s,@INSTALL@,$INSTALL,
- s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,
- s,@INSTALL_DATA@,$INSTALL_DATA,
- s,@ALLOCA@,$ALLOCA,
- s,@DEFS@,$DEFS,
- s,@LIBS@,$LIBS,
- " $srcdir/${file}.in >> $file
- echo "
- # Prevent GNU make v3 from overflowing arg limit on SysV.
- .NOEXPORT:" >> $file
- done
-
- echo creating config.status
- rm -f config.status
- echo "#!/bin/sh
- # Generated automatically by configure.
- # Run this file to recreate the current configuration.
- $0 $*" > config.status
- chmod +x config.status
-
-