diff options
Diffstat (limited to 'gas/configure.in')
| -rw-r--r-- | gas/configure.in | 340 |
1 files changed, 177 insertions, 163 deletions
diff --git a/gas/configure.in b/gas/configure.in index 43b6883..8016f6e 100644 --- a/gas/configure.in +++ b/gas/configure.in @@ -1,124 +1,47 @@ -# 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 @@ -126,12 +49,12 @@ 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} @@ -198,11 +121,10 @@ case ${generic_target} in 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 ;; @@ -210,13 +132,11 @@ case ${generic_target} in 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 ;; @@ -253,7 +173,7 @@ case ${generic_target} in *-*-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 ;; @@ -267,30 +187,35 @@ case ${target_cpu} in *) 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 ;; @@ -302,8 +227,7 @@ case ${with_bfd_assembler}-${bfd_gas} in # 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 @@ -320,44 +244,134 @@ reject_dev_configs=yes 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) |