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130 lines
3.2 KiB
130 lines
3.2 KiB
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# Guess values for system-dependant variables and create `Makefile'.
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# Copyright (C) 1991 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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trap 'rm -f defstest defstest.c Makefile; exit 1' 1 3 15
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set +u # Make sure unset variables are ok.
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# Make sure we don't find the System V /etc/install.
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PATH=`echo $PATH|sed 's,^:,|,
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s,:$,|,
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s,:/usr/etc,,g
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s,/usr/etc:,,g
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s,:/etc,,g
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s,/etc:,,g
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s,|,:,g'`
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if test "$RANDOM" = "$RANDOM"; then
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# Plain old Bourne shell.
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echo checking for gcc
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test -z "$CC" -a -n "`gcc 2>&1`" && CC="gcc -O"
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echo checking for install
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if test -z "$INSTALL" -a -n "`install 2>&1`"; then
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INSTALL="install -c"
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fi
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else
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# ksh, bash or zsh.
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echo checking for gcc
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test -z "$CC" && type gcc && CC="gcc -O"
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echo checking for install
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if test -z "$INSTALL" && type install; then
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INSTALL="install -c"
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fi
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fi
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CC=${CC-cc}
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INSTALL=${INSTALL-cp}
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INCLUDEDIR=${INCLUDEDIR-/usr/include}
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rm -f defstest defstest.c
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compile="$CC $DEFS defstest.c -o defstest $LIBS >/dev/null 2>&1"
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# Check for various header files.
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echo checking signal handler return type
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grep 'int[ ]*(\*signal[ ]*(' $INCLUDEDIR/signal.h >/dev/null 2>&1 &&
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DEFS="$DEFS -DSIGTYPE=int"
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echo checking for ANSI C header files
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echo "#include <stdlib.h>
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#include <string.h>
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main () { exit(0); strerror(0); }" > defstest.c
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eval $compile
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if test -s defstest && ./defstest 2>/dev/null; then
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DEFS="$DEFS -DSTDC_HEADERS"
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fi
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rm -f defstest defstest.c
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echo checking for BSD string and memory functions
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echo "#include <strings.h>
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main () { exit(0); rindex(0, 0); bzero(0, 0); }" > defstest.c
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eval $compile
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if test -s defstest && ./defstest 2>/dev/null; then :
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else DEFS="$DEFS -DUSG"
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fi
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rm -f defstest defstest.c
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# Check whether various functions exist.
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# Functions we provide replacements for.
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for func in bsearch
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do
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echo checking for $func
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echo "main() { exit(0); ${func}(); }" > defstest.c
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eval $compile
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if test -s defstest && ./defstest 2>/dev/null; then :
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else LIBOBJS="$LIBOBJS ${func}.o"
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fi
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rm -f defstest defstest.c
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done
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# Check other misc. things.
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echo checking how to get alloca
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echo '
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#ifdef __GNUC__
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#define alloca __builtin_alloca
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#else
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#ifdef sparc
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#include <alloca.h>
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#else
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#ifdef _AIX
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#pragma alloca
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#else
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char *alloca ();
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#endif
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#endif
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#endif
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main() { char *p = (char *) alloca(1); exit(0); }' > defstest.c
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eval $compile
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if test -s defstest && ./defstest 2>/dev/null; then :
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else LIBS="$LIBS -lPW"
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fi
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rm -f defstest defstest.c
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echo '# Generated automatically from Makefile.in by configure.' > Makefile
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sed -e "
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s,@CC@,$CC,
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s,@INSTALL@,$INSTALL,
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s,@DEFS@,$DEFS,
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s,@LIBS@,$LIBS,
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s,@LIBOBJS@,$LIBOBJS,
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" Makefile.in >> Makefile
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