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.
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 $srcdir;pwd`/..)
32 # check for architecture variants
34 hppa*) cpu_type=hppa ;;
36 i[45]86) cpu_type=i386 ;;
37 m680[012346]0) cpu_type=m68k ;;
38 m68008) cpu_type=m68k ;;
39 m683??) cpu_type=m68k ;;
42 mips*el) cpu_type=mips endian=little;;
43 mips*) cpu_type=mips endian=big ;;
44 powerpc*eabi*) cpu_type=ppc obj_format=elf;;
45 powerpc*) cpu_type=ppc ;;
46 rs6000*) cpu_type=ppc ;;
47 sparc64) cpu_type=sparc obj_format=elf
49 sparclite*) cpu_type=sparc ;;
50 *) cpu_type=${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 ;;
72 alpha-*-netware*) obj_format=ecoff ;;
73 alpha-*-osf*) obj_format=ecoff ;;
76 arc-*-elf*) obj_format=elf bfd_gas=yes ;;
79 arm-*-riscix*) obj_format=aout ;;
81 hppa-*-*elf*) obj_format=elf emulation=hppa ;;
82 hppa-*-osf*) obj_format=som emulation=hppa ;;
83 hppa-*-hpux*) obj_format=som emulation=hppa ;;
84 hppa-*-bsd*) obj_format=som emulation=hppa ;;
85 hppa-*-hiux*) obj_format=som emulation=hppa ;;
87 h8300-*-coff) obj_format=coff ;;
89 i386-ibm-aix*) obj_format=coff gas_target=i386coff
91 i386-*-bsd*) obj_format=aout emulation=386bsd ;;
92 i386-*-netbsd0.8) obj_format=aout emulation=386bsd ;;
93 i386-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes;;
94 i386-*-linux*elf*) obj_format=elf emulation=linux ;;
95 i386-*-linux*coff*) obj_format=coff emulation=linux
96 gas_target=i386coff ;;
97 i386-*-linux*) obj_format=aout emulation=linux ;;
98 i386-*-lynxos*) obj_format=coff gas_target=i386coff
100 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
102 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
103 obj_format=coff gas_target=i386coff ;;
104 i386-*-vsta) obj_format=aout ;;
105 i386-*-go32) obj_format=coff gas_target=i386coff ;;
106 i386-*-gnu*elf*) obj_format=elf ;;
107 i386-*-mach* | i386-*-gnu*)
108 obj_format=aout emulation=mach bfd_gas=yes ;;
109 i386-*-msdos*) obj_format=aout ;;
111 i960-*-bout) obj_format=bout ;;
112 i960-*-coff) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
113 i960-*-nindy*) obj_format=bout ;;
114 i960-*-vxworks4*) obj_format=bout ;;
115 i960-*-vxworks5.0) obj_format=bout ;;
116 i960-*-vxworks5.*) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
117 i960-*-vxworks*) obj_format=bout ;;
119 m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
120 obj_format=aout emulation=sun3 ;;
121 m68k-motorola-sysv) obj_format=coff gas_target=m68kcoff emulation=delta ;;
122 m68k-bull-sysv3*) obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
123 m68k-apollo-*) obj_format=coff gas_target=apollo emulation=apollo ;;
124 m68k-*-coff | m68k-*-sysv*)
125 obj_format=coff gas_target=m68kcoff ;;
126 m68k-*-hpux*) obj_format=hp300 emulation=hp300 ;;
127 m68k-*-lynxos*) obj_format=coff gas_target=m68kcoff
129 m68k-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
131 m88k-*-coff*) obj_format=coff gas_target=m88kcoff ;;
133 # don't change emulation like *-*-bsd does
134 mips-dec-bsd*) obj_format=aout gas_target=mips-lit ;;
135 mips-sony-bsd*) obj_format=ecoff gas_target=mips-big ;;
136 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
137 mips-*-ultrix*) obj_format=ecoff gas_target=mips-lit ;;
138 mips-*-ecoff*) obj_format=ecoff
140 big) gas_target=mips-big ;;
141 *) gas_target=mips-lit ;;
144 mips-*-ecoff*) obj_format=ecoff gas_target=mips-big ;;
145 mips-*-gnu*) obj_format=aout
147 big) gas_target=mips-big ;;
148 *) gas_target=mips-lit ;;
151 mips-*-irix5*) obj_format=elf gas_target=mips-big ;;
152 mips-*-irix*) obj_format=ecoff gas_target=mips-big ;;
153 mips-*-riscos*) obj_format=ecoff gas_target=mips-big ;;
154 mips-*-sysv*) obj_format=ecoff gas_target=mips-big ;;
155 mips-*-elf*) obj_format=elf
157 big) gas_target=mips-big ;;
158 *) gas_target=mips-lit ;;
161 ppc-*-aix*) obj_format=coff ;;
162 ppc-*-elf*) obj_format=elf ;;
163 ppc-*-netware*) obj_format=elf emulation=ppcnw ;;
164 ppc-*-sysv4*) obj_format=elf ;;
166 sh-*-coff) obj_format=coff ;;
169 rce-*-aout) obj_format=aout ;;
172 ns32k-pc532-mach*) obj_format=aout emulation=pc532mach ;;
173 ns32k-pc532-netbsd*) obj_format=aout emulation=nbsd532 ;;
175 sparc-*-sunos4*) obj_format=aout emulation=sun3 ;;
176 sparc-*-aout | sparc*-*-vxworks)
178 sparc-*-coff) obj_format=coff ;;
179 sparc-*-lynxos*) obj_format=coff emulation=lynx ;;
180 sparc-fujitsu-none) obj_format=aout ;;
181 sparc-*-elf | sparc*-*-solaris*)
183 sparc-*-netbsd*) obj_format=aout emulation=nbsd bfd_gas=yes ;;
185 vax-*-bsd* | vax-*-ultrix*)
187 vax-*-vms) obj_format=vms ;;
189 z8k-*-coff | z8k-*-sim)
192 w65-*-*) obj_format=coff ;;
194 *-*-aout | *-*-scout)
199 obj_format=aout emulation=sun3 ;;
200 *-*-generic) obj_format=generic ;;
201 *-*-xray | *-*-hms) obj_format=coff ;;
202 *-*-sim) obj_format=coff ;;
203 *-*-elf | *-*-sysv4* | *-*-solaris*)
204 AC_MSG_WARN(GAS support for ELF format is incomplete)
205 obj_format=elf dev=yes ;;
206 *-*-vxworks) obj_format=aout ;;
207 *-*-netware) obj_format=elf ;;
210 # Assign floating point type. Most processors with FP support
211 # IEEE FP. On those that don't support FP at all, usually IEEE
213 case ${target_cpu} in
214 vax | tahoe ) atof=${target_cpu} ;;
218 case "${obj_format}" in
219 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
223 dnl Make sure the desired support files exist.
226 if test ! -r ${srcdir}/config/tc-${cpu_type}.c; then
227 AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
230 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
231 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
234 # and target makefile frag
236 target_frag=${srcdir}/config/${gas_target}.mt
237 if test ! -r ${target_frag}; then
238 target_frag=/dev/null # ick! but subst_file can't be conditionalized
240 AC_SUBST_FILE(target_frag)
242 case ${cpu_type}-${obj_format} in
243 arm-*) bfd_gas=yes ;;
245 # i386-aout) bfd_gas=preferred ;;
246 mips-*) bfd_gas=yes ;;
247 ns32k-*) bfd_gas=yes ;;
248 ppc-*) bfd_gas=yes ;;
249 sparc-*) bfd_gas=yes ;;
250 *-elf) bfd_gas=yes ;;
251 *-ecoff) bfd_gas=yes ;;
252 *-som) bfd_gas=yes ;;
256 case ${user_bfd_gas}-${bfd_gas} in
258 # We didn't override user's choice.
261 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
273 # User specified nothing.
277 case ${bfd_gas}-${cpu_type}-${obj_format} in
278 yes-*-coff) need_bfd=yes ;;
279 no-*-coff) need_bfd=yes
280 AC_DEFINE(MANY_SEGMENTS) ;;
283 reject_dev_configs=yes
285 case ${reject_dev_configs}-${dev} in
287 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
291 AC_LINK_FILES(config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
292 config/obj-${obj_format}.h config/obj-${obj_format}.c \
293 config/te-${emulation}.h config/atof-${atof}.c,
294 targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c)
297 yes) AC_DEFINE(BFD_ASSEMBLER)
301 case "${need_bfd}" in
302 yes) BFDLIB=../bfd/libbfd.a
303 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
307 AC_SUBST(ALL_OBJ_DEPS)
309 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
310 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
311 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
312 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
313 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
318 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
320 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
321 # people who are not cross-compiling but are compiling cross-assemblers.
322 AC_MSG_CHECKING(whether compiling a cross-assembler)
323 if test "${host}" = "${target}"; then
327 AC_DEFINE(CROSS_COMPILE)
329 AC_MSG_RESULT($cross_gas)
331 dnl ansidecl.h will deal with const
336 # VMS doesn't have unlink.
337 AC_CHECK_FUNCS(unlink remove, break)
339 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
340 # enough, but on some of those systems, the assert macro relies on requoting
344 # On some systems, the system header files may not declare malloc, realloc,
345 # and free. There are places where gas needs these functions to have been
346 # declared -- such as when taking their addresses.
361 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
362 GAS_CHECK_DECL_NEEDED(free, f, int f, $gas_test_headers)
364 # Does errno.h declare errno, or do we have to add a separate declaration
366 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
372 AC_CONFIG_SUBDIRS(testsuite)
374 dnl This must come last.
375 AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in)