Initial revision

src/libraries/regex/configure

+#!/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] [--no-create]
+#        [--prefix=PREFIX] [--exec_prefix=PREFIX] [--with-PROGRAM] [TARGET]
+# Ignores all args except --srcdir, --prefix, --exec_prefix, and --no-create.
+
+trap 'rm -f conftest* core; exit 1' 1 3 15
+
+for arg
+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) ;;
+
+     -no-create | --no-create | --no-creat | --no-crea | --no-cre | --no-cr | --no-c | --no- | --no)
+        no_create=1 ;;
+
+     -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 $arg | sed 's/[-a-z_]*=//'` ;;
+     -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
+	next_srcdir=yes ;;
+
+     -with-* | --with-*) ;;
+
+     *) ;;
+    esac
+  fi
+done
+
+rm -f conftest*
+compile='${CC-cc} $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
+
+# A filename unique to this package, relative to the directory that
+# configure is in, which we can look for to find out if srcdir is correct.
+unique_file=regex.c
+
+# Find the source files, if location was not specified.
+if test -z "$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
+# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
+# But we can't avoid them for `..', to make subdirectories work.
+case $srcdir in
+  .|/*|~*) ;;
+  *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
+esac
+
+
+if test -z "$CC"; then
+  echo checking for gcc
+  saveifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/gcc; then
+      CC="gcc"
+      break
+    fi
+  done
+  IFS="$saveifs"
+fi
+test -z "$CC" && CC="cc"
+
+# Find out if we are using GNU C, under whatever name.
+cat <<EOF > conftest.c
+#ifdef __GNUC__
+  yes
+#endif
+EOF
+${CC-cc} -E conftest.c > conftest.out 2>&1
+if egrep yes conftest.out >/dev/null 2>&1; then
+  GCC=1 # For later tests.
+  CC="$CC -O"
+fi
+rm -f conftest*
+
+# Make sure to not get the incompatible SysV /etc/install and
+# /usr/sbin/install, which might be in PATH before a BSD-like install,
+# or the SunOS /usr/etc/install directory.
+if test -z "$INSTALL"; then
+  echo checking for install
+  saveifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    case $dir in
+    /etc|/usr/sbin|/usr/etc) ;;
+    *)
+      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 AIX
+echo checking how to run the C preprocessor
+if test -z "$CPP"; then
+  CPP='${CC-cc} -E'
+  cat <<EOF > conftest.c
+
+#include <stdio.h>
+EOF
+err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
+if test -z "$err"; then
+  :
+else
+  CPP=/lib/cpp
+fi
+rm -f conftest*
+fi
+
+cat <<EOF > conftest.c
+
+#ifdef _AIX
+  yes
+#endif
+
+EOF
+eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
+if egrep "yes" conftest.out >/dev/null 2>&1; then
+  DEFS="$DEFS -D_ALL_SOURCE=1"
+fi
+rm -f conftest*
+
+
+echo checking for DYNIX/ptx libseq
+cat <<EOF > conftest.c
+
+#if defined(_SEQUENT_)
+  yes
+#endif
+
+EOF
+eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
+if egrep "yes" conftest.out >/dev/null 2>&1; then
+  SEQUENT=1
+fi
+rm -f conftest*
+
+test -n "$SEQUENT" && test -f /usr/lib/libseq.a &&
+  LIBS="$LIBS -lseq"
+
+echo checking for POSIXized ISC
+if test -d /etc/conf/kconfig.d &&
+  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
+then
+  ISC=1 # If later tests want to check for ISC.
+  DEFS="$DEFS -D_POSIX_SOURCE=1"
+  if test -n "$GCC"; then
+    CC="$CC -posix"
+  else
+    CC="$CC -Xp"
+  fi
+fi
+
+echo checking for minix/config.h
+cat <<EOF > conftest.c
+
+#include <minix/config.h>
+EOF
+err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
+if test -z "$err"; then
+  MINIX=1
+fi
+rm -f conftest*
+
+# The Minix shell can't assign to the same variable on the same line!
+if test -n "$MINIX"; then
+  DEFS="$DEFS -D_POSIX_SOURCE=1"
+  DEFS="$DEFS -D_POSIX_1_SOURCE=2"
+  DEFS="$DEFS -D_MINIX=1"
+fi
+
+
+echo checking for ANSI C header files
+cat <<EOF > conftest.c
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <limits.h>
+EOF
+err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
+if test -z "$err"; then
+  DEFS="$DEFS -DSTDC_HEADERS=1"
+fi
+rm -f conftest*
+
+echo checking for BSD string and memory functions
+echo "#include <strings.h>
+main() { exit(0); } t() { rindex(0, 0); bzero(0, 0); }" > conftest.c
+if eval $compile; then
+  :
+else
+  DEFS="$DEFS -DUSG=1"
+fi
+rm -f conftest*
+
+
+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
+# for constant arguments.  Useless!
+echo checking for working alloca.h
+echo "#include <alloca.h>
+main() { exit(0); } t() { char *p = alloca(2 * sizeof(int)); }" > conftest.c
+if eval $compile; then
+  DEFS="$DEFS -DHAVE_ALLOCA_H=1"
+fi
+rm -f conftest*
+
+decl="#ifdef __GNUC__
+#define alloca __builtin_alloca
+#else
+#if HAVE_ALLOCA_H
+#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
+if eval $compile; then
+  :
+else
+  alloca_missing=1
+fi
+rm -f conftest*
+
+if test -n "$alloca_missing"; then
+  SAVELIBS="$LIBS"
+  # Maybe alloca is in a different library.
+  #if test -f /usr/ucblib/libucb.a; then
+    # Avoid the broken BSD compatibility library as much as possible.
+    #LIBS="$LIBS -L/usr/ucblib -lc -lucb" trylib=-lucb # SVR4
+  #el
+  if 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
+if eval $compile; then
+  :
+else
+  alloca_missing=1
+fi
+rm -f conftest*
+
+  fi
+  if test -n "$alloca_missing"; then
+    LIBS="$SAVELIBS" ALLOCA=alloca.o
+  fi
+fi
+
+
+if test -z "$prefix"
+then
+  echo checking for gcc to derive installation directory prefix
+  saveifs="$IFS"; IFS="$IFS:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test $dir != . && test -f $dir/gcc; then
+      # Not all systems have dirname.
+      prefix=`echo $dir|sed 's,/[^/][^/]*$,,'`
+      break
+    fi
+  done
+  IFS="$saveifs"
+fi
+
+
+if test -n "$prefix"; then
+  test -z "$exec_prefix" && exec_prefix='$(prefix)'
+  prsub="s,^prefix[ 	]*=.*$,prefix = $prefix,"
+fi
+if test -n "$exec_prefix"; then
+  prsub="$prsub
+s,^exec_prefix[ 	]*=.*$,exec_prefix = $exec_prefix,"
+fi
+
+trap 'rm -f config.status; exit 1' 1 3 15
+echo creating config.status
+rm -f config.status
+cat <<EOF > config.status
+#!/bin/sh
+# Generated automatically by configure.
+# Run this file to recreate the current configuration.
+# This directory was configured as follows:
+# $0 $*
+
+case "\$1" in
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+  exec /bin/sh $0 $* ;;
+esac
+
+trap 'rm -f Makefile doc/Makefile test/Makefile; exit 1' 1 3 15
+CC='$CC'
+INSTALL='$INSTALL'
+INSTALL_PROGRAM='$INSTALL_PROGRAM'
+INSTALL_DATA='$INSTALL_DATA'
+CPP='$CPP'
+ALLOCA='$ALLOCA'
+LIBS='$LIBS'
+srcdir='$srcdir'
+DEFS='$DEFS'
+prefix='$prefix'
+exec_prefix='$exec_prefix'
+prsub='$prsub'
+EOF
+cat <<\EOF >> config.status
+
+top_srcdir=$srcdir
+for file in Makefile doc/Makefile test/Makefile; do
+  srcdir=$top_srcdir
+  # Remove last slash and all that follows it.  Not all systems have dirname.
+  dir=`echo $file|sed 's,/[^/][^/]*$,,'`
+  if test "$dir" != "$file"; then
+    test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
+    test ! -d $dir && mkdir $dir
+  fi
+  echo creating $file
+  rm -f $file
+  echo "# Generated automatically from `basename $file`.in by configure." > $file
+  sed -e "
+$prsub
+s,@CC@,$CC,g
+s,@INSTALL@,$INSTALL,g
+s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,g
+s,@INSTALL_DATA@,$INSTALL_DATA,g
+s,@CPP@,$CPP,g
+s,@ALLOCA@,$ALLOCA,g
+s,@LIBS@,$LIBS,g
+s,@srcdir@,$srcdir,g
+s,@DEFS@,$DEFS," $top_srcdir/${file}.in >> $file
+done
+
+EOF
+chmod +x config.status
+test -n "$no_create" || ./config.status
+