1 dnl Process this file with autoconf to produce a configure script.
3 dnl And be careful when changing it! If you must add tests with square
4 dnl brackets, be sure changequote invocations surround it.
7 AC_PREREQ(2.3)dnl We only need 2.0, but pre-2.3 loses on some AIX version.
12 AC_ARG_ENABLE(bfd-assembler,
13 [ bfd-assembler use BFD back end for writing object files],
14 [case "${enableval}" in
15 yes) need_bfd=yes user_bfd_gas=yes ;;
16 no) user_bfd_gas=no ;;
17 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
20 # Generate a header file -- gets more post-processing by Makefile later.
21 AC_CONFIG_HEADER(conf)
23 dnl For recursion to work right, this must be an absolute pathname.
24 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
32 # check for architecture variants
34 hppa*) cpu_type=hppa ;;
36 i[45]86) cpu_type=i386 ;;
37 m680[012346]0) cpu_type=m68k ;;
38 m68008) cpu_type=m68k ;;
39 m683??) cpu_type=m68k ;;
42 mips*el) cpu_type=mips endian=little;;
43 mips*) cpu_type=mips endian=big ;;
44 powerpcle*) cpu_type=ppc endian=little;;
45 powerpc*) cpu_type=ppc endian=big;;
46 rs6000*) cpu_type=ppc ;;
47 sparc64) cpu_type=sparc obj_format=elf
49 sparclite*) cpu_type=sparc ;;
50 *) cpu_type=${target_cpu} ;;
53 # do we need the opcodes library?
58 OPCODES_LIB="../opcodes/libopcodes.a"
63 gas_target=${cpu_type}
64 generic_target=${cpu_type}-${target_vendor}-${target_os}
67 # assign object format
68 case ${generic_target} in
69 a29k-amd-udi) obj_format=coff gas_target=ebmon29k ;;
70 a29k-amd-ebmon) obj_format=coff gas_target=ebmon29k ;;
71 a29k-*-vxworks*) obj_format=coff ;;
73 alpha-*-netware*) obj_format=ecoff ;;
74 alpha-*-osf*) obj_format=ecoff ;;
77 arc-*-elf*) obj_format=elf bfd_gas=yes ;;
80 arm-*-riscix*) obj_format=aout ;;
82 hppa-*-*elf*) obj_format=elf emulation=hppa ;;
83 hppa-*-lites*) obj_format=elf emulation=hppa ;;
84 hppa-*-osf*) obj_format=som emulation=hppa ;;
85 hppa-*-hpux*) obj_format=som emulation=hppa ;;
86 hppa-*-bsd*) obj_format=som emulation=hppa ;;
87 hppa-*-hiux*) obj_format=som emulation=hppa ;;
89 h8300-*-coff) obj_format=coff ;;
91 i386-ibm-aix*) obj_format=coff gas_target=i386coff
93 i386-*-bsd*) obj_format=aout emulation=386bsd ;;
94 i386-*-netbsd0.8) obj_format=aout emulation=386bsd ;;
95 i386-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes;;
96 i386-*-linux*aout*) obj_format=aout emulation=linux ;;
97 i386-*-linux*coff*) obj_format=coff emulation=linux
98 gas_target=i386coff ;;
99 i386-*-linux*) obj_format=elf emulation=linux ;;
100 i386-*-lynxos*) obj_format=coff gas_target=i386coff
102 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
104 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
105 obj_format=coff gas_target=i386coff ;;
106 i386-*-vsta) obj_format=aout ;;
107 i386-*-go32) obj_format=coff gas_target=i386coff ;;
108 i386-*-gnu*elf*) obj_format=elf ;;
109 i386-*-mach* | i386-*-gnu*)
110 obj_format=aout emulation=mach bfd_gas=yes ;;
111 i386-*-msdos*) obj_format=aout ;;
113 i960-*-bout) obj_format=bout ;;
114 i960-*-coff) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
115 i960-*-nindy*) obj_format=bout ;;
116 i960-*-vxworks4*) obj_format=bout ;;
117 i960-*-vxworks5.0) obj_format=bout ;;
118 i960-*-vxworks5.*) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
119 i960-*-vxworks*) obj_format=bout ;;
121 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
122 obj_format=aout emulation=sun3 ;;
123 m68k-motorola-sysv) obj_format=coff gas_target=m68kcoff emulation=delta ;;
124 m68k-bull-sysv3*) obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
125 m68k-apollo-*) obj_format=coff gas_target=apollo emulation=apollo ;;
126 m68k-*-coff | m68k-*-sysv*)
127 obj_format=coff gas_target=m68kcoff ;;
128 m68k-*-elf) obj_format=elf ;;
129 m68k-*-hpux*) obj_format=hp300 emulation=hp300 ;;
130 m68k-*-lynxos*) obj_format=coff gas_target=m68kcoff
132 m68k-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
134 m88k-*-coff*) obj_format=coff gas_target=m88kcoff ;;
136 # don't change emulation like *-*-bsd does
137 mips-dec-bsd*) obj_format=aout gas_target=mips-lit ;;
138 mips-sony-bsd*) obj_format=ecoff gas_target=mips-big ;;
139 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
140 mips-*-ultrix*) obj_format=ecoff gas_target=mips-lit ;;
141 mips-*-ecoff*) obj_format=ecoff
143 big) gas_target=mips-big ;;
144 *) gas_target=mips-lit ;;
147 mips-*-ecoff*) obj_format=ecoff gas_target=mips-big ;;
148 mips-*-gnu*) obj_format=aout
150 big) gas_target=mips-big ;;
151 *) gas_target=mips-lit ;;
154 mips-*-irix5*) obj_format=elf gas_target=mips-big ;;
155 mips-*-irix*) obj_format=ecoff gas_target=mips-big ;;
156 mips-*-riscos*) obj_format=ecoff gas_target=mips-big ;;
157 mips-*-sysv*) obj_format=ecoff gas_target=mips-big ;;
158 mips-*-elf*) obj_format=elf
160 big) gas_target=mips-big ;;
161 *) gas_target=mips-lit ;;
164 ppc-*-aix*) obj_format=coff ;;
165 ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
168 big) gas_target=ppc-big ;;
169 *) gas_target=ppc-lit ;;
172 ppc-*-netware*) obj_format=elf emulation=ppcnw ;;
174 sh-*-coff) obj_format=coff ;;
177 rce-*-aout) obj_format=aout ;;
180 ns32k-pc532-mach*) obj_format=aout emulation=pc532mach ;;
181 ns32k-pc532-netbsd*) obj_format=aout emulation=nbsd532 ;;
183 sparc-*-sunos4*) obj_format=aout emulation=sun3 ;;
184 sparc-*-aout | sparc*-*-vxworks)
186 sparc-*-coff) obj_format=coff ;;
187 sparc-*-lynxos*) obj_format=coff emulation=lynx ;;
188 sparc-fujitsu-none) obj_format=aout ;;
189 sparc-*-elf | sparc*-*-solaris*)
191 sparc-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
193 vax-*-bsd* | vax-*-ultrix*)
195 vax-*-vms) obj_format=vms ;;
197 z8k-*-coff | z8k-*-sim)
200 w65-*-*) obj_format=coff ;;
202 *-*-aout | *-*-scout)
207 obj_format=aout emulation=sun3 ;;
208 *-*-generic) obj_format=generic ;;
209 *-*-xray | *-*-hms) obj_format=coff ;;
210 *-*-sim) obj_format=coff ;;
211 *-*-elf | *-*-sysv4* | *-*-solaris*)
212 AC_MSG_WARN(GAS support for ELF format is incomplete)
213 obj_format=elf dev=yes ;;
214 *-*-vxworks) obj_format=aout ;;
215 *-*-netware) obj_format=elf ;;
218 # Assign floating point type. Most processors with FP support
219 # IEEE FP. On those that don't support FP at all, usually IEEE
221 case ${target_cpu} in
222 vax | tahoe ) atof=${target_cpu} ;;
226 case "${obj_format}" in
227 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
231 dnl Make sure the desired support files exist.
234 if test ! -r ${srcdir}/config/tc-${cpu_type}.c; then
235 AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
238 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
239 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
242 # and target makefile frag
244 target_frag=${srcdir}/config/${gas_target}.mt
245 if test ! -r ${target_frag}; then
246 target_frag=/dev/null # ick! but subst_file can't be conditionalized
248 AC_SUBST_FILE(target_frag)
250 case ${cpu_type}-${obj_format} in
251 arm-*) bfd_gas=yes ;;
253 # i386-aout) bfd_gas=preferred ;;
254 mips-*) bfd_gas=yes ;;
255 ns32k-*) bfd_gas=yes ;;
256 ppc-*) bfd_gas=yes ;;
257 sparc-*) bfd_gas=yes ;;
258 *-elf) bfd_gas=yes ;;
259 *-ecoff) bfd_gas=yes ;;
260 *-som) bfd_gas=yes ;;
264 case ${user_bfd_gas}-${bfd_gas} in
266 # We didn't override user's choice.
269 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
281 # User specified nothing.
285 case ${bfd_gas}-${cpu_type}-${obj_format} in
286 yes-*-coff) need_bfd=yes ;;
287 no-*-coff) need_bfd=yes
288 AC_DEFINE(MANY_SEGMENTS) ;;
291 reject_dev_configs=yes
293 case ${reject_dev_configs}-${dev} in
295 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
304 AC_LINK_FILES(config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
305 config/obj-${obj_format}.h config/obj-${obj_format}.c \
306 config/te-${emulation}.h config/atof-${atof}.c,
307 targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c)
310 yes) AC_DEFINE(BFD_ASSEMBLER)
314 case "${need_bfd}" in
315 yes) BFDLIB=../bfd/libbfd.a
316 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
320 AC_SUBST(ALL_OBJ_DEPS)
322 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
323 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
324 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
325 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
326 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
331 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
333 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
334 # people who are not cross-compiling but are compiling cross-assemblers.
335 AC_MSG_CHECKING(whether compiling a cross-assembler)
336 if test "${host}" = "${target}"; then
340 AC_DEFINE(CROSS_COMPILE)
342 AC_MSG_RESULT($cross_gas)
344 dnl ansidecl.h will deal with const
349 # VMS doesn't have unlink.
350 AC_CHECK_FUNCS(unlink remove, break)
352 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
353 # enough, but on some of those systems, the assert macro relies on requoting
357 # On some systems, the system header files may not declare malloc, realloc,
358 # and free. There are places where gas needs these functions to have been
359 # declared -- such as when taking their addresses.
374 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
375 GAS_CHECK_DECL_NEEDED(free, f, int f, $gas_test_headers)
377 # Does errno.h declare errno, or do we have to add a separate declaration
379 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
385 AC_CONFIG_SUBDIRS(testsuite)
387 dnl This must come last.
388 AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in)