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 dnl v2.5 needed for --bindir et al AC_PREREQ(2.5) AC_INIT(as.h) AC_CANONICAL_SYSTEM AM_INIT_AUTOMAKE(gas, 2.8.2) AM_PROG_LIBTOOL user_bfd_gas= AC_ARG_ENABLE(bfd-assembler, [ --enable-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=$enableval ;; esac])dnl AC_ARG_ENABLE(commonbfdlib, [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library], [case "${enableval}" in yes) commonbfdlib=true ;; no) commonbfdlib=false ;; *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;; esac])dnl # Generate a header file AM_CONFIG_HEADER(config.h:config.in) te_file=generic canon_targets="" if test -n "$enable_targets" ; then for t in `echo $enable_targets | sed 's/,/ /g'`; do result=`${CONFIG_SHELL-/bin/sh} $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 changequote(,)dnl eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'` changequote([,])dnl # check for architecture variants arch= endian= case ${cpu} in alpha*) cpu_type=alpha ;; armeb) cpu_type=arm endian=big ;; arm*) cpu_type=arm endian=little ;; thumb*) cpu_type=arm endian=little ;; hppa*) cpu_type=hppa ;; changequote(,)dnl i[456]86) cpu_type=i386 ;; m680[012346]0) cpu_type=m68k ;; m68008) cpu_type=m68k ;; m683??) cpu_type=m68k ;; changequote([,])dnl m8*) cpu_type=m88k ;; mips*el) cpu_type=mips endian=little ;; mips*5900*) cpu_type=mips endian=little ;; mips*) cpu_type=mips endian=big ;; powerpcle*) cpu_type=ppc endian=little ;; powerpc*) cpu_type=ppc endian=big ;; rs6000*) cpu_type=ppc ;; sparclite*) cpu_type=sparc arch=sparclite ;; sparclet*) cpu_type=sparc arch=sparclet ;; sparc64*) cpu_type=sparc arch=v9 ;; sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c. v850*) cpu_type=v850 ;; *) cpu_type=${cpu} ;; esac if test ${this_target} = $target ; then target_cpu_type=${cpu_type} if test x${endian} = xbig; then AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1) elif test x${endian} = xlittle; then AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0) fi elif test ${target_cpu_type} != ${cpu_type} ; then continue fi generic_target=${cpu_type}-$vendor-$os dev=no bfd_gas=no em=generic # assign object format case ${generic_target} in a29k-*-coff) fmt=coff ;; a29k-amd-udi) fmt=coff ;; a29k-amd-ebmon) fmt=coff ;; a29k-nyu-sym1) fmt=coff ;; a29k-*-vxworks*) fmt=coff ;; alpha*-*-*vms*) fmt=evax ;; alpha*-*-netware*) fmt=ecoff ;; alpha*-*-openbsd*) fmt=ecoff ;; alpha*-*-osf*) fmt=ecoff ;; alpha*-*-linuxecoff*) fmt=ecoff ;; alpha*-*-linux*) fmt=elf em=linux ;; arc-*-elf*) fmt=elf bfd_gas=yes ;; arm-*-riscix*) fmt=aout em=riscix ;; arm-*-aout) fmt=aout ;; arm-*-coff | thumb-*-coff) fmt=coff ;; arm-*-riscix*) fmt=aout ;; arm-*-pe) fmt=coff em=pe ;; d10v-*-*) fmt=elf bfd_gas=yes ;; # start-sanitize-d30v d30v-*-*) fmt=elf bfd_gas=yes ;; # end-sanitize-d30v hppa-*-*elf*) fmt=elf em=hppa ;; hppa-*-lites*) fmt=elf em=hppa ;; hppa-*-osf*) fmt=som em=hppa ;; hppa-*-rtems*) fmt=elf 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 em=i386aix ;; i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;; i386-*-bsd*) fmt=aout em=386bsd ;; i386-*-netbsd0.8) fmt=aout em=386bsd ;; i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;; i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;; i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;; i386-*-linux*coff*) fmt=coff em=linux ;; i386-*-linux*) fmt=elf em=linux ;; i386-*-lynxos*) fmt=coff em=lynx ;; i386-*-sysv4* | i386-*-solaris* | i386-*-elf | i386-*-freebsdelf*) fmt=elf ;; i386-*-sco*elf*) fmt=elf if test ${this_target} = $target; then AC_DEFINE(SCO_ELF) fi ;; i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*) fmt=coff ;; i386-*-vsta) fmt=aout ;; i386-*-msdosdjgpp* | i386-*-go32*) fmt=coff em=go32;; i386-*-rtems*) fmt=coff ;; 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 em=pe ;; i386-*-cygwin32) fmt=coff em=pe bfd_gas=yes ;; i386-*-*nt) fmt=coff em=pe ;; i960-*-bout) fmt=bout ;; i960-*-coff) fmt=coff em=ic960 ;; i960-*-rtems*) fmt=coff em=ic960 ;; i960-*-nindy*) fmt=bout ;; i960-*-vxworks4*) fmt=bout ;; i960-*-vxworks5.0) fmt=bout ;; i960-*-vxworks5.*) fmt=coff em=ic960 ;; i960-*-vxworks*) fmt=bout ;; m32r-*-*) fmt=elf bfd_gas=yes ;; m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*) fmt=aout em=sun3 ;; m68k-motorola-sysv*) fmt=coff em=delta ;; m68k-bull-sysv3*) fmt=coff em=dpx2 ;; m68k-apollo-*) fmt=coff em=apollo ;; m68k-*-sysv4*) # must be before -sysv* fmt=elf em=svr4 ;; m68k-*-elf*) fmt=elf ;; m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*) fmt=coff ;; m68k-*-hpux*) fmt=hp300 em=hp300 ;; m68k-*-linux*aout*) fmt=aout em=linux ;; m68k-*-linux*) fmt=elf em=linux ;; m68k-*-lynxos*) fmt=coff em=lynx ;; m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; m68k-apple-aux*) fmt=coff em=aux ;; m68k-*-psos*) fmt=elf em=psos;; m88k-motorola-sysv3*) fmt=coff em=delt88 ;; m88k-*-coff*) fmt=coff ;; # don't change em like *-*-bsd does mips-dec-netbsd*) fmt=elf endian=little ;; mips-dec-openbsd*) fmt=elf endian=little ;; mips-dec-bsd*) fmt=aout ;; mips-sony-bsd*) fmt=ecoff ;; mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;; mips-*-ultrix*) fmt=ecoff endian=little ;; mips-*-osf*) fmt=ecoff endian=little ;; mips-*-ecoff*) fmt=ecoff ;; mips-*-ecoff*) fmt=ecoff ;; mips-*-irix6*) fmt=elf ;; mips-*-irix5*) fmt=elf ;; mips-*-irix*) fmt=ecoff ;; mips-*-lnews*) fmt=ecoff em=lnews ;; mips-*-riscos*) fmt=ecoff ;; mips-*-sysv*) fmt=ecoff ;; mips-*-elf* | mips-*-rtems* | mips-*-linux* | mips-*-gnu* | mips-*-openbsd*) fmt=elf ;; mn10200-*-*) fmt=elf bfd_gas=yes ;; mn10300-*-*) fmt=elf bfd_gas=yes ;; ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*) fmt=coff em=pe ;; ppc-*-aix*) fmt=coff ;; ppc-*-beos*) fmt=coff ;; ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*) fmt=elf ;; ppc-*-linux*) fmt=elf case "$endian" in big) ;; *) AC_MSG_ERROR(Linux must be configured big endian) ;; esac ;; ppc-*-solaris*) fmt=elf if test ${this_target} = $target; then AC_DEFINE(TARGET_SOLARIS_COMMENT) fi if test x${endian} = xbig; then AC_MSG_ERROR(Solaris must be configured little endian) fi ;; ppc-*-rtems*) fmt=elf ;; ppc-*-macos* | ppc-*-mpw*) fmt=coff em=macos ;; ppc-*-netware*) fmt=elf em=ppcnw ;; sh-*-elf*) fmt=elf ;; sh-*-coff*) fmt=coff ;; sh-*-rtems*) fmt=elf ;; ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;; ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;; ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;; sparc-*-rtems*) fmt=aout ;; sparc-*-sunos4*) fmt=aout em=sun3 ;; sparc-*-aout | sparc*-*-vxworks*) fmt=aout em=sparcaout ;; sparc-*-coff) fmt=coff ;; sparc-*-linux*aout*) fmt=aout em=linux ;; sparc-*-linux*) fmt=elf em=linux ;; sparc-*-lynxos*) fmt=coff em=lynx ;; sparc-fujitsu-none) fmt=aout ;; sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*) fmt=elf ;; sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; # start-sanitize-tic80 tic80-*-*) fmt=coff ;; # end-sanitize-tic80 v850-*-*) fmt=elf bfd_gas=yes ;; # start-sanitize-v850e v850e-*-*) fmt=elf bfd_gas=yes ;; v850eq-*-*) fmt=elf bfd_gas=yes ;; # end-sanitize-v850e 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 ${generic_target} is incomplete.) fmt=elf dev=yes ;; *-*-vxworks) fmt=aout ;; *-*-netware) fmt=elf ;; esac case ${cpu_type}-${fmt} in alpha*-*) bfd_gas=yes ;; 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. # do we need the opcodes library? case ${cpu_type} in vax | i386) ;; *) need_opcodes=yes if test "${shared_opcodes}" = "true"; then # A shared libopcodes must be linked against libbfd. need_bfd=yes fi ;; esac case ${cpu_type} in m32r) case ${extra_objects} in *cgen.o*) ;; *) extra_objects="$extra_objects cgen.o" AC_DEFINE(USING_CGEN) ;; esac ;; m68k) case ${extra_objects} in *m68k-parse.o*) ;; *) extra_objects="$extra_objects m68k-parse.o" ;; esac ;; mips) echo ${extra_objects} | grep -s "itbl-parse.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-parse.o" fi echo ${extra_objects} | grep -s "itbl-lex.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-lex.o" fi echo ${extra_objects} | grep -s "itbl-ops.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-ops.o" fi ;; sparc) if test $this_target = $target ; then AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}") fi ;; *) ;; 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=$fmt te_file=$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-*-linux*-*) case "$endian" in big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;; esac ;; mips-*-lnews*-ecoff) ;; mips-*-*-ecoff) case "$endian" in big) emulation="mipsbecoff mipslecoff mipsecoff" ;; *) emulation="mipslecoff mipsbecoff mipsecoff" ;; esac ;; mips-*-*-elf) case "$endian" in big) emulation="mipsbelf mipslelf mipself" ;; *) emulation="mipslelf mipsbelf mipself" ;; # Uncommenting the next line will turn on support for i386 COFF # in any i386 ELF configuration. This probably doesn't work # correctly. # i386-*-*-elf) emulation="i386coff i386elf" ;; esac ;; esac emulations="$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 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 $em in .) continue ;; mipsbelf | mipslelf) fmt=elf file=mipself ;; mipsbecoff | mipslecoff) fmt=ecoff file=mipsecoff ;; i386coff) fmt=coff file=i386coff ;; i386elf) fmt=elf file=i386elf ;; esac formats="$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") 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 ${generic_target} configuration.) ;; esac AC_SUBST(target_cpu_type) AC_SUBST(obj_format) AC_SUBST(te_file) AC_SUBST(atof) dnl AC_SUBST(emulation) case "${primary_bfd_gas}" in yes) AC_DEFINE(BFD_ASSEMBLER) need_bfd=yes ;; esac # do we need the opcodes library? case "${need_opcodes}" in yes) OPCODES_LIB=../opcodes/libopcodes.la ;; esac case "${need_bfd}" in yes) BFDLIB=../bfd/libbfd.la ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h" ;; esac AC_SUBST(BFDLIB) AC_SUBST(OPCODES_LIB) AC_SUBST(ALL_OBJ_DEPS) AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${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_YACC AC_PROG_LEX AC_DECL_YYTEXT AM_MAINTAINER_MODE AM_CYGWIN32 AM_EXEEXT 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 #else #ifdef HAVE_STRINGS_H #include #endif #endif #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_UNISTD_H #include #endif " GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) # Does errno.h declare errno, or do we have to add a separate declaration # for it? GAS_CHECK_DECL_NEEDED(errno, f, int f, [ #ifdef HAVE_ERRNO_H #include #endif ]) dnl This must come last. dnl We used to make symlinks to files in the source directory, but now dnl we just use the right name for .c files, and create .h files in dnl the build directory which include the right .h file. Make sure dnl the old symlinks don't exist, so that a reconfigure in an existing dnl directory behaves reasonably. AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in, [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h echo '#include "te-'"${te_file}"'.h"' > targ-env.h echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h case ${target_cpu_type} in m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;; esac], [target_cpu_type=${target_cpu_type} obj_format=${obj_format} te_file=${te_file}])