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 AC_PREREQ(2.3)dnl We only need 2.0, but pre-2.3 loses on some AIX version. AC_INIT(as.h)dnl dnl user_bfd_gas= AC_ARG_ENABLE(bfd-assembler, [ bfd-assembler use BFD back end for writing object files], [case "${enableval}" in yes) need_bfd=yes user_bfd_gas=yes ;; no) user_bfd_gas=no ;; *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;; esac])dnl AC_ARG_ENABLE(targets, [ targets alternative target configurations besides the primary], [case "${enableval}" in yes | "") AC_ERROR(enable-targets option must specify target names or 'all') ;; no) enable_targets= ;; *) enable_targets=$enableval ;; 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 AC_ARG_PROGRAM te_file=generic # assign cpu type # check for architecture variants case ${target_cpu} in armeb) cpu_type=arm endian=big ;; arm*) cpu_type=arm endian=little ;; hppa*) cpu_type=hppa ;; changequote(,)dnl i[45]86) cpu_type=i386 ;; m680[012346]0) cpu_type=m68k ;; m68008) cpu_type=m68k ;; m683??) cpu_type=m68k ;; changequote([,])dnl m8*) cpu_type=m88k ;; mips*el) cpu_type=mips endian=little;; mips*) cpu_type=mips endian=big ;; powerpcle*) cpu_type=ppc endian=little ;; powerpc*) cpu_type=ppc endian=big ;; rs6000*) cpu_type=ppc ;; sparc64) cpu_type=sparc obj_format=elf AC_DEFINE(sparcv9) ;; sparclite*) cpu_type=sparc ;; *) cpu_type=${target_cpu} ;; esac # do we need the opcodes library? case ${cpu_type} in alpha | vax) ;; *) OPCODES_LIB="../opcodes/libopcodes.a" ;; esac AC_SUBST(OPCODES_LIB) gas_target=${cpu_type} this_target=${generic_target} canon_targets="" if test -n "$enable_targets" ; then for t in `echo $enable_targets | sed 's/,/ /g'`; do result=`$ac_config_sub $t 2>/dev/null` if test -n "$result" ; then canon_targets="$canon_targets $result" # else # # Permit "all", etc. We don't support it yet though. # canon_targets="$canon_targets $t" fi done GAS_UNIQ(canon_targets) fi emulations="" for this_target in $target $canon_targets ; do eval `echo $this_target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'` # check for architecture variants case ${cpu} in hppa*) cpu_type=hppa ;; changequote(,)dnl i[45]86) cpu_type=i386 ;; m680[012346]0) cpu_type=m68k ;; m68008) cpu_type=m68k ;; m683??) cpu_type=m68k ;; changequote([,])dnl m8*) cpu_type=m88k ;; mips*el) cpu_type=mips endian=little;; mips*) cpu_type=mips endian=big ;; powerpcle*) cpu_type=ppc endian=little ;; powerpc*) cpu_type=ppc endian=big ;; rs6000*) cpu_type=ppc ;; sparc64) cpu_type=sparc obj_format=elf want_sparcv9=true ;; sparclite*) cpu_type=sparc ;; *) cpu_type=${cpu} ;; esac if test ${this_target} = $target ; then target_cpu_type=${cpu_type} elif test ${target_cpu_type} != ${cpu_type} ; then continue fi targ=${cpu_type} generic_target=${cpu_type}-$vendor-$os dev=no bfd_gas=no em=generic # assign object format case ${generic_target} in a29k-amd-udi) fmt=coff targ=ebmon29k ;; a29k-amd-ebmon) fmt=coff targ=ebmon29k ;; a29k-*-vxworks*) fmt=coff ;; alpha-*-netware*) fmt=ecoff ;; alpha-*-osf*) fmt=ecoff ;; # start-sanitize-arc arc-*-elf*) fmt=elf bfd_gas=yes ;; # end-sanitize-arc arm-*-riscix*) fmt=aout targ=arm-lit ;; arm-*-aout) fmt=aout case "$endian" in big) targ=arm-big ;; *) targ=arm-lit ;; esac ;; arm-*-riscix*) fmt=aout ;; arm-*-pe) fmt=coff targ=armcoff em=pe ;; hppa-*-*elf*) fmt=elf em=hppa ;; hppa-*-lites*) fmt=elf em=hppa ;; hppa-*-osf*) fmt=som em=hppa ;; hppa-*-hpux*) fmt=som em=hppa ;; hppa-*-bsd*) fmt=som em=hppa ;; hppa-*-hiux*) fmt=som em=hppa ;; h8300-*-coff) fmt=coff ;; i386-ibm-aix*) fmt=coff targ=i386coff em=i386aix ;; i386-*-bsd*) fmt=aout em=386bsd ;; i386-*-netbsd0.8) fmt=aout em=386bsd ;; i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;; i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;; i386-*-linux*coff*) fmt=coff em=linux targ=i386coff ;; i386-*-linux*) fmt=elf em=linux ;; i386-*-lynxos*) fmt=coff targ=i386coff em=lynx ;; i386-*-sysv4* | i386-*-solaris* | i386-*-elf) fmt=elf ;; i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*) fmt=coff targ=i386coff ;; i386-*-vsta) fmt=aout ;; i386-*-go32) fmt=coff targ=i386coff ;; i386-*-gnu*) fmt=elf ;; i386-*-mach*) fmt=aout em=mach bfd_gas=yes ;; i386-*-msdos*) fmt=aout ;; i386-*-moss*) fmt=elf ;; i386-*-pe) fmt=coff targ=i386coff em=pe ;; i386-*-win32) fmt=coff targ=i386coff em=pe ;; i386-*-*nt) fmt=coff targ=i386coff em=pe ;; i960-*-bout) fmt=bout ;; i960-*-coff) fmt=coff em=ic960 targ=ic960coff ;; i960-*-nindy*) fmt=bout ;; i960-*-vxworks4*) fmt=bout ;; i960-*-vxworks5.0) fmt=bout ;; i960-*-vxworks5.*) fmt=coff em=ic960 targ=ic960coff ;; i960-*-vxworks*) fmt=bout ;; m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*) fmt=aout em=sun3 ;; m68k-motorola-sysv) fmt=coff targ=m68kcoff em=delta ;; m68k-bull-sysv3*) fmt=coff targ=m68kcoff em=dpx2 ;; m68k-apollo-*) fmt=coff targ=apollo em=apollo ;; m68k-*-coff | m68k-*-sysv*) fmt=coff targ=m68kcoff ;; m68k-*-elf) fmt=elf ;; m68k-*-hpux*) fmt=hp300 em=hp300 ;; m68k-*-lynxos*) fmt=coff targ=m68kcoff em=lynx ;; m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; m88k-*-coff*) fmt=coff targ=m88kcoff ;; # don't change em like *-*-bsd does mips-dec-netbsd*) fmt=elf targ=mips-lit endian=little ;; mips-dec-bsd*) fmt=aout targ=mips-lit ;; mips-sony-bsd*) fmt=ecoff targ=mips-big ;; mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;; mips-*-ultrix*) fmt=ecoff targ=mips-lit endian=little ;; mips-*-ecoff*) fmt=ecoff case "$endian" in big) targ=mips-big ;; *) targ=mips-lit ;; esac ;; mips-*-ecoff*) fmt=ecoff targ=mips-big ;; mips-*-gnu*) fmt=aout case "$endian" in big) targ=mips-big ;; *) targ=mips-lit ;; esac ;; mips-*-irix5*) fmt=elf targ=mips-big ;; mips-*-irix*) fmt=ecoff targ=mips-big ;; mips-*-riscos*) fmt=ecoff targ=mips-big ;; mips-*-sysv*) fmt=ecoff targ=mips-big ;; mips-*-elf*) fmt=elf case "$endian" in big) targ=mips-big ;; *) targ=mips-lit ;; esac ;; ppc-*-aix*) fmt=coff ;; ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*) fmt=elf case "$endian" in big) targ=ppc-big ;; *) targ=ppc-lit ;; esac ;; ppc-*-netware*) fmt=elf em=ppcnw ;; sh-*-coff) fmt=coff ;; # start-sanitize-rce rce-*-aout) fmt=aout ;; # end-sanitize-rce ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;; ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;; sparc-*-sunos4*) fmt=aout em=sun3 ;; sparc-*-aout | sparc*-*-vxworks) fmt=aout ;; sparc-*-coff) fmt=coff ;; sparc-*-lynxos*) fmt=coff em=lynx ;; sparc-fujitsu-none) fmt=aout ;; sparc-*-elf | sparc*-*-solaris*) fmt=elf ;; sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; vax-*-bsd* | vax-*-ultrix*) fmt=aout ;; vax-*-vms) fmt=vms ;; z8k-*-coff | z8k-*-sim) fmt=coff ;; w65-*-*) fmt=coff ;; *-*-aout | *-*-scout) fmt=aout ;; *-*-nindy*) fmt=bout ;; *-*-bsd*) fmt=aout em=sun3 ;; *-*-generic) fmt=generic ;; *-*-xray | *-*-hms) fmt=coff ;; *-*-sim) fmt=coff ;; *-*-elf | *-*-sysv4* | *-*-solaris*) AC_MSG_WARN(GAS support for ELF format is incomplete.) fmt=elf dev=yes ;; *-*-vxworks) fmt=aout ;; *-*-netware) fmt=elf ;; esac case ${cpu_type}-${fmt} in arm-*) bfd_gas=yes ;; # not yet # i386-aout) bfd_gas=preferred ;; mips-*) bfd_gas=yes ;; ns32k-*) bfd_gas=yes ;; ppc-*) bfd_gas=yes ;; sparc-*) bfd_gas=yes ;; *-elf) bfd_gas=yes ;; *-ecoff) bfd_gas=yes ;; *-som) bfd_gas=yes ;; *) ;; esac # Other random stuff. test -n "$want_sparcv9" && AC_DEFINE(sparcv9) case ${cpu_type} in m68k) extra_objects="$extra_objects m68k-parse.o" ;; esac # See if we really can support this configuration with the emulation code. if test $this_target = $target ; then primary_bfd_gas=$bfd_gas obj_format=$fmt gas_target=$targ te_file=$em if test $bfd_gas = no ; then # Can't support other configurations this way. break fi elif test $bfd_gas = no ; then # Can't support this configuration. break fi # From target name and format, produce a list of supported emulations. case ${generic_target}-${fmt} in mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; mips-*-*-ecoff) case "$endian" in big) emulation="mipsbecoff mipslecoff mipsecoff" ;; *) emulation="mipslecoff mipsbecoff mipsecoff" ;; esac ;; mips-*-*-elf) case "$endian" in big) emulation="mipsbelf mipslelf mipself" ;; *) emulation="mipslelf mipsbelf mipself" ;; esac ;; esac emulations="$emulations $emulation" done # Assign floating point type. Most processors with FP support # IEEE FP. On those that don't support FP at all, usually IEEE # is emulated. case ${target_cpu} in vax | tahoe ) atof=${target_cpu} ;; *) atof=ieee ;; esac case "${obj_format}" in "") 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 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) fi if test ! -r ${srcdir}/config/obj-${obj_format}.c; then AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) fi # and target makefile frag target_frag=${srcdir}/config/${gas_target}.mt if test ! -r ${target_frag}; then target_frag=/dev/null # ick! but subst_file can't be conditionalized fi AC_SUBST_FILE(target_frag) case ${user_bfd_gas}-${primary_bfd_gas} in yes-yes | no-no) # We didn't override user's choice. ;; no-yes) AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.) ;; no-preferred) primary_bfd_gas=no ;; *-preferred) primary_bfd_gas=yes ;; yes-*) primary_bfd_gas=yes ;; -*) # User specified nothing. ;; esac # Some COFF configurations want these random other flags set. case ${obj_format} in coff) case ${target_cpu_type} in i386) AC_DEFINE(I386COFF) ;; m68k) AC_DEFINE(M68KCOFF) ;; m88k) AC_DEFINE(M88KCOFF) ;; esac ;; esac # Getting this done right is going to be a bitch. Each configuration specified # with --enable-targets=... should be checked for environment, format, cpu, and # bfd_gas setting. # # For each configuration, the necessary object file support code must be linked # in. This might be only one, it might be up to four. The necessary emulation # code needs to be provided, too. # # And then there's "--enable-targets=all".... # # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh. formats="${obj_format}" emfiles="" EMULATIONS="" GAS_UNIQ(emulations) for em in . $emulations ; do case $em in .) continue ;; mipsbelf | mipslelf) fmt=elf file=mipself ;; mipsbecoff | mipslecoff) fmt=ecoff file=mipsecoff ;; esac formats="$formats $fmt" emfiles="$emfiles e-$file.o" EMULATIONS="$EMULATIONS &$em," done GAS_UNIQ(formats) GAS_UNIQ(emfiles) if test `set . $formats ; shift ; echo $#` -gt 1 ; then for fmt in $formats ; do case $fmt in aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;; bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;; coff) AC_DEFINE(OBJ_MAYBE_COFF) ;; ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;; elf) AC_DEFINE(OBJ_MAYBE_ELF) ;; generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;; hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;; ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;; som) AC_DEFINE(OBJ_MAYBE_SOM) ;; vms) AC_DEFINE(OBJ_MAYBE_VMS) ;; esac extra_objects="$extra_objects obj-$fmt.o" done obj_format=multi fi if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then te_file=multi extra_objects="$extra_objects $emfiles" DEFAULT_EMULATION=`set . $emulations ; echo $2` AC_DEFINE(USE_EMULATIONS) fi AC_SUBST(extra_objects) AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS) AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION") files="config/tc-${target_cpu_type}.c config/tc-${target_cpu_type}.h \ config/obj-${obj_format}.h config/obj-${obj_format}.c \ config/te-${te_file}.h config/atof-${atof}.c \ $extra_files" links="targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c \ $extra_links" case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in yes-*-coff) need_bfd=yes ;; no-*-coff) need_bfd=yes AC_DEFINE(MANY_SEGMENTS) ;; esac reject_dev_configs=yes case ${reject_dev_configs}-${dev} in yes-yes) # Oops. AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) ;; esac AC_SUBST(target_cpu_type) AC_SUBST(obj_format) AC_SUBST(atof) dnl AC_SUBST(emulation) AC_LINK_FILES($files, $links) case "${primary_bfd_gas}" in yes) AC_DEFINE(BFD_ASSEMBLER) need_bfd=yes ;; esac 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) 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, "${target_os}") AC_PROG_CC AC_PROG_INSTALL AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) # Put this here so that autoconf's "cross-compiling" message doesn't confuse # people who are not cross-compiling but are compiling cross-assemblers. AC_MSG_CHECKING(whether compiling a cross-assembler) if test "${host}" = "${target}"; then cross_gas=no else cross_gas=yes AC_DEFINE(CROSS_COMPILE) fi AC_MSG_RESULT($cross_gas) dnl ansidecl.h will deal with const dnl AC_CONST AC_FUNC_ALLOCA AC_C_INLINE # VMS doesn't have unlink. AC_CHECK_FUNCS(unlink remove, break) # Some systems don't have sbrk(). AC_CHECK_FUNCS(sbrk) # 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! GAS_WORKING_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. gas_test_headers=" #ifdef HAVE_MEMORY_H #include #endif #ifdef HAVE_STRING_H #include #endif #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_UNISTD_H #include #endif " GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) # Does errno.h declare errno, or do we have to add a separate declaration # for it? GAS_CHECK_DECL_NEEDED(errno, f, int f, [ #ifdef HAVE_ERRNO_H #include #endif ]) dnl This must come last. AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in)