-# This file is configure.in
-#
-# Copyright (C) 1987-1992,1993,1994 Free Software Foundation, Inc.
-#
-# This file is part of GAS, the GNU Assembler.
-#
-# GAS 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.
-#
-# GAS 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 GAS; see the file COPYING. If not, write to
-# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-#
-
-# This file was written, and is maintained by K. Richard Pixley
-# <rich@cygnus.com>.
-
-# This file is a shell script that supplies the information necessary
-# to tailor a template configure script into the configure script
-# appropriate for this directory. For more information, check any
-# existing configure script.
-
-srctrigger=as.c
-srcname="gas"
-need_bfd=no
-bfd_gas=no
-configdirs="doc testsuite"
-
-# per-host:
-
-gas_host=generic
-
-case "${host}" in
- a29k-*-*) gas_host=a29k ;;
-
- alpha-*-osf*) gas_host=ansi ;;
-
- hppa*-*-hpux*) gas_host=hpux ;;
- hppa*-*-bsd*) gas_host=hppabsd ;;
- hppa*-*-osf*) gas_host=hppaosf ;;
- hppa*-*-hiux*) gas_host=hpux ;;
-
- i[345]86-ibm-aix*) gas_host=i386aix ;;
- i[345]86-*-isc*) gas_host=sysv ;;
- i[345]86-sun-sunos*) gas_host=sun386 ;;
- i[345]86-*-mach*) gas_host=mach3 ;;
- i[345]86-*-go32) host_makefile_frag=config/go32.mh
- gas_host=go32 ;;
-
- m68k-sun-sunos*) gas_host=sun3 ;;
- m68*-*-hpux) gas_host=hpux ;;
-
- mips*-dec-ultrix*) gas_host=decstatn ;;
- mips*-*-bsd*) gas_host=mipsbsd ;;
- mips*-sgi-irix*) gas_host=irix ;;
-
- rs6000-*-*) gas_host=rs6000 ;;
-
- sparc-sun-sunos*) gas_host=sun4 ;;
- sparc-sun-solaris2*) gas_host=sysv ;;
-
- vax-*-vms*) gas_host=vms ;;
- vax-*-bsd*) gas_host=vax ;;
- vax-*-ultrix*) gas_host=vax ;;
-
- *-*-sysv4* | *-*-unixware) gas_host=sysv ;;
-
- *-*-ansi | *-*-hpux | *-*-sysv)
- gas_host=${host_os} ;;
+dnl Process this file with autoconf to produce a configure script.
+dnl
+dnl And be careful when changing it! If you must add tests with square
+dnl brackets, be sure changequote invocations surround it.
+dnl
+dnl Remember to use "dnl" in each line before the AC_INIT call...
+dnl
+dnl
+AC_INIT(as.h)
+dnl
+AC_ARG_ENABLE(bfd-assembler,
+[ bfd-assembler use BFD back end for writing object files],
+[case "${enableval}" in
+ yes) need_bfd=yes bfd_gas=yes ;;
+ no) ;;
+ *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
+esac])dnl
+
+# Generate a header file -- gets more post-processing by Makefile later.
+AC_CONFIG_HEADER(conf)
+
+dnl For recursion to work right, this must be an absolute pathname.
+AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
+AC_CANONICAL_SYSTEM
-esac
-
-if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
- echo '*** GAS does not support host' ${host} 1>&2
- exit 1
-fi
-
-# per-target:
-
-case ${with_bfd_assembler} in
- yes)
- echo "*** Warning: GAS BFD configuration option not yet fully supported" 1>&2
- need_bfd=yes
- bfd_gas=yes
- ;;
- no | "")
- ;;
- *)
- echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
- exit 1
- ;;
-esac
-
-# assign cpu type
emulation=generic
-# default is big
-endian=big
+# assign cpu type
# check for architecture variants
case ${target_cpu} in
- # Actually we've only got support for the 1.1, so we shouldn't generalize,
- # but this is what the support files are named...
hppa*) cpu_type=hppa ;;
+changequote(,)dnl
i[45]86) cpu_type=i386 ;;
m680[012346]0) cpu_type=m68k ;;
m68008) cpu_type=m68k ;;
m683??) cpu_type=m68k ;;
+changequote([,])dnl
m8*) cpu_type=m88k ;;
mips*el) cpu_type=mips endian=little;;
- mips*) cpu_type=mips ;;
+ mips*) cpu_type=mips endian=big ;;
powerpc*) cpu_type=ppc ;;
rs6000*) cpu_type=ppc ;;
- sparc64) cpu_type=sparc obj_format=elf extra_def=sparcv9 ;;
+ sparc64) cpu_type=sparc obj_format=elf AC_DEFINE(sparcv9) ;;
sparclite*) cpu_type=sparc ;;
*) cpu_type=${target_cpu} ;;
esac
# do we need the opcodes library?
case ${cpu_type} in
alpha | vax)
- opcodes=
;;
*)
- opcodes="../opcodes/libopcodes.a"
+ OPCODES_LIB="../opcodes/libopcodes.a"
;;
esac
+AC_SUBST(OPCODES_LIB)
gas_target=${cpu_type}
generic_target=${cpu_type}-${target_vendor}-${target_os}
mips-*-bsd*) bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
mips-*-ultrix*) obj_format=ecoff gas_target=mips-lit ;;
mips-*-ecoff*) obj_format=ecoff
- if [ $endian = big ] ; then
- gas_target=mips-big
- else
- gas_target=mips-lit
- fi
+ case "$endian" in
+ big) gas_target=mips-big ;;
+ *) gas_target=mips-lit ;;
+ esac
;;
mips-*-ecoff*) obj_format=ecoff gas_target=mips-big ;;
mips-*-irix5*) obj_format=elf gas_target=mips-big ;;
mips-*-riscos*) obj_format=ecoff gas_target=mips-big ;;
mips-*-sysv*) obj_format=ecoff gas_target=mips-big ;;
mips-*-elf*) obj_format=elf
- if [ $endian = big ] ; then
- gas_target=mips-big
- else
- gas_target=mips-lit
- fi
+ case "$endian" in
+ big) gas_target=mips-big ;;
+ *) gas_target=mips-lit ;;
+ esac
;;
-
ppc-*-aix*) obj_format=coff bfd_gas=yes ;;
ppc-*-elf*) obj_format=elf bfd_gas=yes ;;
ppc-*-netware*) obj_format=elf emulation=ppcnw ;;
*-*-xray | *-*-hms) obj_format=coff ;;
*-*-sim) obj_format=coff ;;
*-*-elf | *-*-sysv4* | *-*-solaris*)
- echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
+ AC_MSG_WARN(GAS support for ELF format is incomplete)
obj_format=elf dev=yes ;;
*-*-vxworks) obj_format=aout ;;
*-*-netware) obj_format=elf ;;
*) atof=ieee ;;
esac
-if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
- echo '*** GAS does not support target CPU' ${cpu_type} 1>&2
- exit 1
-fi
-
case "${obj_format}" in
- "")
- echo "*** GAS doesn't know what format to use for target" ${target} 1>&2
- exit 1
- ;;
+ "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
esac
+dnl
+dnl Make sure the desired support files exist.
+dnl
+
+changequote(<<<,>>>)dnl
+
+if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
+ AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
+fi
+
if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
- echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
- exit 1
+ AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
fi
+changequote([,])dnl
+
# and target makefile frag
-target_makefile_frag=config/${gas_target}.mt
+target_frag=${srcdir}/config/${gas_target}.mt
+AC_SUBST_FILE(target_frag)
case ${bfd_gas}-${obj_format} in
yes-coff) need_bfd=yes ;;
- no-coff) need_bfd=yes extra_def="MANY_SEGMENTS" ;;
+ no-coff) need_bfd=yes
+ AC_DEFINE(MANY_SEGMENTS) ;;
*-elf) bfd_gas=yes ;;
*-ecoff) bfd_gas=yes ;;
*-som) bfd_gas=yes ;;
# We didn't override user's choice.
;;
no-yes)
- echo '*** Use of BFD is required for ${target}; overriding config options'\
- 1>&2
+ AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
;;
no-preferred)
bfd_gas=no
case ${reject_dev_configs}-${dev} in
yes-yes) # Oops.
- echo "*** GAS does not support the ${generic_target} configuration" 1>&2
- exit 1
+ AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
;;
esac
-files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
- config/tc-${cpu_type}.h config/te-${emulation}.h \
+dnl Looks like the AC_MAKE_LINKS string is taken literally and put into the
+dnl config.status file. So the necessary variables also have to be
+dnl exported.
+AC_SUBST(cpu_type) AC_SUBST(obj_format) AC_SUBST(emulation) AC_SUBST(atof)
+AC_LINK_FILES(targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c,
+ config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
config/obj-${obj_format}.h config/obj-${obj_format}.c \
- config/atof-${atof}.c"
-
-links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
+ config/te-${emulation}.h config/atof-${atof}.c)
-# post-target:
-
-case ${bfd_gas} in
- yes) extra_def="$extra_def BFD_ASSEMBLER" need_bfd=yes ;;
+case "${bfd_gas}" in
+ yes) AC_DEFINE(BFD_ASSEMBLER)
+ need_bfd=yes ;;
esac
-case ${need_bfd} in
- yes) bfdlib="BFDLIB=../bfd/libbfd.a"
- all_obj_deps="$all_obj_deps ../bfd/bfd.h"
- ;;
- *) bfdlib=""
+case "${need_bfd}" in
+ yes) BFDLIB=../bfd/libbfd.a
+ ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
;;
esac
+AC_SUBST(BFDLIB)
+AC_SUBST(ALL_OBJ_DEPS)
-case "x${host}" in
- "x${target}") cross="" ;;
- *) cross="CROSS=-DCROSS_COMPILE" ;;
+case "x${host_canon}" in
+ x${target_canon}) ;;
+ *) AC_DEFINE(CROSS_COMPILE);;
esac
-rm -f Makefile.tem
-echo $cross > Makefile.tem
-echo ALL_OBJ_DEPS=$all_obj_deps >> Makefile.tem
-echo defs=$extra_def >> Makefile.tem
-echo $bfdlib >> Makefile.tem
-echo "OPCODES_LIB=$opcodes" >> Makefile.tem
-cat Makefile >> Makefile.tem
-mv -f Makefile.tem Makefile
+AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
+AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
+AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
+AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
+AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
+
+case ${host} in
+ rs6000-*-*)
+ # The IBM compiler mis-compiles some expressions used in gas.
+ # This will tell gas to work around this lossage.
+ AC_DEFINE(IBM_COMPILER_SUX) ;;
+ i386-*-go32)
+ # Using fopen(..., "w") for a binary file breaks under DOS.
+ AC_DEFINE(WANT_FOPEN_BIN) ;;
+esac
-# end of gas/configure.in
+AC_PROG_CC
+AC_PROG_INSTALL
+
+AC_HEADER_STDC
+AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
+
+dnl ansidecl.h will deal with const
+dnl AC_CONST
+AC_FUNC_ALLOCA
+AC_C_INLINE
+
+# Some non-ANSI preprocessors botch requoting inside strings. That's bad
+# enough, but on some of those systems, the assert macro relies on requoting
+# working properly!
+AC_CHECKING([for working assert macro])
+AC_TRY_LINK([#include <assert.h>
+#include <stdio.h>], [
+/* check for requoting problems */
+static int a, b, c, d;
+static char *s;
+assert (!strcmp(s, "foo bar baz quux"));
+/* check for newline handling */
+assert (a == b
+ || c == d);
+], , AC_DEFINE(BROKEN_ASSERT))
+
+# On some systems, the system header files may not declare malloc, realloc,
+# and free. There are places where gas needs these functions to have been
+# declared -- such as when taking their addresses.
+AC_CHECKING([whether malloc declaration is required])
+AC_TRY_LINK([
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+], [
+char *(*f) ();
+f = (char *(*)()) malloc;
+], , AC_DEFINE(NEED_MALLOC_DECLARATION))
+AC_CHECKING([free declaration required])
+AC_TRY_LINK([
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+], [
+int (*f) ();
+f = (int (*)()) free;
+], , AC_DEFINE(NEED_FREE_DECLARATION))
+
+# Does errno.h declare errno, or do we have to add a separate declaration
+# for it?
+AC_CHECKING([errno declaration required])
+AC_TRY_LINK([
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+], [
+int x;
+x = errno;
+], , AC_DEFINE(NEED_ERRNO_DECLARATION))
+
+AC_CONFIG_SUBDIRS(testsuite)
+
+dnl This must come last.
+dnl Apparently symlinks are checked for in the directory containing
+dnl the last Makefile. Thus the order used here...
+AC_OUTPUT(doc/Makefile Makefile)
projects / thirdparty / binutils-gdb.git / blobdiff