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- :
- # Guess values for system-dependant variables and create `Makefile'.
- # Copyright (C) 1991 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.
-
- trap 'rm -f defstest defstest.c Makefile; exit 1' 1 3 15
-
- set +u # Make sure unset variables are ok.
-
- # Make sure we don't find the System V /etc/install.
- PATH=`echo $PATH|sed 's,^:,|,
- s,:$,|,
- s,:/usr/etc,,g
- s,/usr/etc:,,g
- s,:/etc,,g
- s,/etc:,,g
- s,|,:,g'`
-
- if test "$RANDOM" = "$RANDOM"; then
- # Plain old Bourne shell.
- echo checking for gcc
- test -z "$CC" -a -n "`gcc 2>&1`" && CC="gcc -O"
-
- echo checking for install
- if test -z "$INSTALL" -a -n "`install 2>&1`"; then
- INSTALL="install -c"
- fi
- else
- # ksh, bash or zsh.
- echo checking for gcc
- test -z "$CC" && type gcc && CC="gcc -O"
-
- echo checking for install
- if test -z "$INSTALL" && type install; then
- INSTALL="install -c"
- fi
- fi
-
- CC=${CC-cc}
- INSTALL=${INSTALL-cp}
- INCLUDEDIR=${INCLUDEDIR-/usr/include}
-
- rm -f defstest defstest.c
- compile="$CC $DEFS defstest.c -o defstest $LIBS >/dev/null 2>&1"
-
- # Check for various header files.
-
- echo checking signal handler return type
- grep 'int[ ]*(\*signal[ ]*(' $INCLUDEDIR/signal.h >/dev/null 2>&1 &&
- DEFS="$DEFS -DSIGTYPE=int"
-
- echo checking for ANSI C header files
- echo "#include <stdlib.h>
- #include <string.h>
- main () { exit(0); strerror(0); }" > defstest.c
- eval $compile
- if test -s defstest && ./defstest 2>/dev/null; then
- DEFS="$DEFS -DSTDC_HEADERS"
- fi
- rm -f defstest defstest.c
-
- echo checking for BSD string and memory functions
- echo "#include <strings.h>
- main () { exit(0); rindex(0, 0); bzero(0, 0); }" > defstest.c
- eval $compile
- if test -s defstest && ./defstest 2>/dev/null; then :
- else DEFS="$DEFS -DUSG"
- fi
- rm -f defstest defstest.c
-
- # Check whether various functions exist.
-
- # Functions we provide replacements for.
- for func in bsearch
- do
- echo checking for $func
- echo "main() { exit(0); ${func}(); }" > defstest.c
- eval $compile
- if test -s defstest && ./defstest 2>/dev/null; then :
- else LIBOBJS="$LIBOBJS ${func}.o"
- fi
- rm -f defstest defstest.c
- done
-
- # Check other misc. things.
-
- echo checking how to get alloca
- echo '
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- #ifdef _AIX
- #pragma alloca
- #else
- char *alloca ();
- #endif
- #endif
- #endif
- main() { char *p = (char *) alloca(1); exit(0); }' > defstest.c
- eval $compile
- if test -s defstest && ./defstest 2>/dev/null; then :
- else LIBS="$LIBS -lPW"
- fi
- rm -f defstest defstest.c
-
- echo '# Generated automatically from Makefile.in by configure.' > Makefile
- sed -e "
- s,@CC@,$CC,
- s,@INSTALL@,$INSTALL,
- s,@DEFS@,$DEFS,
- s,@LIBS@,$LIBS,
- s,@LIBOBJS@,$LIBOBJS,
- " Makefile.in >> Makefile
-