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.
6 dnl Remember to use "dnl" in each line before the AC_INIT call...
13 AC_ARG_ENABLE(bfd-assembler,
14 [ bfd-assembler use BFD back end for writing object files],
15 [case "${enableval}" in
16 yes) need_bfd=yes user_bfd_gas=yes ;;
17 no) user_bfd_gas=no ;;
18 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
21 # Generate a header file -- gets more post-processing by Makefile later.
22 AC_CONFIG_HEADER(conf)
24 dnl For recursion to work right, this must be an absolute pathname.
25 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
27 AC_PROGRAM_TRANSFORM_NAME
33 # check for architecture variants
35 hppa*) cpu_type=hppa ;;
37 i[45]86) cpu_type=i386 ;;
38 m680[012346]0) cpu_type=m68k ;;
39 m68008) cpu_type=m68k ;;
40 m683??) cpu_type=m68k ;;
43 mips*el) cpu_type=mips endian=little;;
44 mips*) cpu_type=mips endian=big ;;
45 powerpc*) cpu_type=ppc ;;
46 rs6000*) cpu_type=ppc ;;
47 sparc64) cpu_type=sparc obj_format=elf AC_DEFINE(sparcv9) ;;
48 sparclite*) cpu_type=sparc ;;
49 *) cpu_type=${target_cpu} ;;
52 # do we need the opcodes library?
57 OPCODES_LIB="../opcodes/libopcodes.a"
62 gas_target=${cpu_type}
63 generic_target=${cpu_type}-${target_vendor}-${target_os}
66 # assign object format
67 case ${generic_target} in
68 a29k-amd-udi) obj_format=coff gas_target=ebmon29k ;;
69 a29k-amd-ebmon) obj_format=coff gas_target=ebmon29k ;;
71 alpha-*-netware*) obj_format=ecoff ;;
72 alpha-*-osf*) obj_format=ecoff ;;
74 arm-*-riscix*) obj_format=aout bfd_gas=yes ;;
76 hppa-*-*elf*) obj_format=elf emulation=hppa ;;
77 hppa-*-osf*) obj_format=som emulation=hppa ;;
78 hppa-*-hpux*) obj_format=som emulation=hppa ;;
79 hppa-*-bsd*) obj_format=som emulation=hppa ;;
80 hppa-*-hiux*) obj_format=som emulation=hppa ;;
82 h8300-*-coff) obj_format=coff ;;
84 i386-ibm-aix*) obj_format=coff gas_target=i386coff
86 i386-*-bsd*) obj_format=aout emulation=386bsd ;;
87 i386-*-netbsd0.8) obj_format=aout emulation=386bsd ;;
88 i386-*-netbsd*) obj_format=aout emulation=netbsd ;;
89 i386-*-linux*elf*) obj_format=elf emulation=linux ;;
90 i386-*-linux*coff*) obj_format=coff emulation=linux
91 gas_target=i386coff ;;
92 i386-*-linux*) obj_format=aout emulation=linux bfd_gas=preferred ;;
93 i386-*-lynxos*) obj_format=coff gas_target=i386coff
95 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
97 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
98 obj_format=coff gas_target=i386coff ;;
99 i386-*-vsta) obj_format=aout ;;
100 i386-*-go32) obj_format=coff gas_target=i386coff ;;
101 i386-*-mach* | i386-*-gnu*)
102 obj_format=aout emulation=mach bfd_gas=yes ;;
104 i960-*-bout) obj_format=bout ;;
105 i960-*-coff) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
106 i960-*-nindy*) obj_format=bout ;;
107 i960-*-vxworks4*) obj_format=bout ;;
108 i960-*-vxworks5.0) obj_format=bout ;;
109 i960-*-vxworks5.*) obj_format=coff emulation=ic960 gas_target=ic960coff ;;
110 i960-*-vxworks*) obj_format=bout ;;
112 m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
113 obj_format=aout emulation=sun3 ;;
114 m68k-motorola-sysv) obj_format=coff gas_target=m68kcoff emulation=delta ;;
115 m68k-bull-sysv3*) obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
116 m68k-apollo-*) obj_format=coff gas_target=apollo emulation=apollo ;;
117 m68k-*-coff | m68k-*-sysv*)
118 obj_format=coff gas_target=m68kcoff ;;
119 m68k-*-hpux) obj_format=hp300 emulation=hp300 ;;
120 m68k-*-lynxos*) obj_format=coff gas_target=m68kcoff
123 m88k-*-coff*) obj_format=coff gas_target=m88kcoff ;;
125 # don't change emulation like *-*-bsd does
126 mips-*-bsd*) bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
127 mips-*-ultrix*) obj_format=ecoff gas_target=mips-lit ;;
128 mips-*-ecoff*) obj_format=ecoff
130 big) gas_target=mips-big ;;
131 *) gas_target=mips-lit ;;
134 mips-*-ecoff*) obj_format=ecoff gas_target=mips-big ;;
135 mips-*-irix5*) obj_format=elf gas_target=mips-big ;;
136 mips-*-irix*) obj_format=ecoff gas_target=mips-big ;;
137 mips-*-riscos*) obj_format=ecoff gas_target=mips-big ;;
138 mips-*-sysv*) obj_format=ecoff gas_target=mips-big ;;
139 mips-*-elf*) obj_format=elf
141 big) gas_target=mips-big ;;
142 *) gas_target=mips-lit ;;
145 ppc-*-aix*) obj_format=coff bfd_gas=yes ;;
146 ppc-*-elf*) obj_format=elf bfd_gas=yes ;;
147 ppc-*-netware*) obj_format=elf emulation=ppcnw ;;
148 ppc-*-sysv4*) obj_format=elf bfd_gas=yes ;;
150 sh-*-coff) obj_format=coff ;;
152 ns32k-pc532-mach*) obj_format=aout emulation=pc532 bfd_gas=yes ;;
153 ns32k-pc532-netbsd*) obj_format=aout emulation=netbsd532 bfd_gas=yes ;;
155 sparc*-*-sunos4*) obj_format=aout emulation=sun3 bfd_gas=yes ;;
156 sparc*-*-aout | sparc*-*-vxworks)
157 obj_format=aout bfd_gas=yes ;;
158 sparc*-*-coff) obj_format=coff bfd_gas=yes ;;
159 sparc*-*-lynxos*) obj_format=coff bfd_gas=yes emulation=lynx ;;
160 sparc*-fujitsu-none) obj_format=aout bfd_gas=yes ;;
161 sparc*-*-elf | sparc*-*-solaris*)
164 vax-*-bsd* | vax-*-ultrix*)
166 vax-*-vms) obj_format=vms ;;
168 z8k-*-coff | z8k-*-sim)
171 *-*-aout | *-*-scout)
176 obj_format=aout emulation=sun3 ;;
177 *-*-generic) obj_format=generic ;;
178 *-*-xray | *-*-hms) obj_format=coff ;;
179 *-*-sim) obj_format=coff ;;
180 *-*-elf | *-*-sysv4* | *-*-solaris*)
181 AC_MSG_WARN(GAS support for ELF format is incomplete)
182 obj_format=elf dev=yes ;;
183 *-*-vxworks) obj_format=aout ;;
184 *-*-netware) obj_format=elf ;;
187 # Assign floating point type. Most processors with FP support
188 # IEEE FP. On those that don't support FP at all, usually IEEE
190 case ${target_cpu} in
191 vax | tahoe ) atof=${target_cpu} ;;
195 case "${obj_format}" in
196 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
200 dnl Make sure the desired support files exist.
203 if test ! -r ${srcdir}/config/tc-${cpu_type}.c; then
204 AC_MSG_ERROR(GAS does not support target CPU ${cpu_type})
207 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
208 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
211 # and target makefile frag
213 target_frag=${srcdir}/config/${gas_target}.mt
214 AC_SUBST_FILE(target_frag)
216 case ${cpu_type}-${obj_format} in
218 # i386-aout) bfd_gas=preferred ;;
219 *-elf) bfd_gas=yes ;;
220 *-ecoff) bfd_gas=yes ;;
221 *-som) bfd_gas=yes ;;
225 case ${user_bfd_gas}-${bfd_gas} in
227 # We didn't override user's choice.
230 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
239 # User specified nothing.
243 case ${bfd_gas}-${cpu_type}-${obj_format} in
244 yes-*-coff) need_bfd=yes ;;
245 no-*-coff) need_bfd=yes
246 AC_DEFINE(MANY_SEGMENTS) ;;
249 reject_dev_configs=yes
251 case ${reject_dev_configs}-${dev} in
253 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
257 dnl Looks like the AC_MAKE_LINKS string is taken literally and put into the
258 dnl config.status file. So the necessary variables also have to be
260 AC_SUBST(cpu_type) AC_SUBST(obj_format) AC_SUBST(emulation) AC_SUBST(atof)
261 AC_LINK_FILES(targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c,
262 config/tc-${cpu_type}.c config/tc-${cpu_type}.h \
263 config/obj-${obj_format}.h config/obj-${obj_format}.c \
264 config/te-${emulation}.h config/atof-${atof}.c)
267 yes) AC_DEFINE(BFD_ASSEMBLER)
271 case "${need_bfd}" in
272 yes) BFDLIB=../bfd/libbfd.a
273 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
277 AC_SUBST(ALL_OBJ_DEPS)
281 *) AC_DEFINE(CROSS_COMPILE);;
284 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
285 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
286 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
287 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
288 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
292 # The IBM compiler mis-compiles some expressions used in gas.
293 # This will tell gas to work around this lossage.
294 AC_DEFINE(IBM_COMPILER_SUX) ;;
296 # Using fopen(..., "w") for a binary file breaks under DOS.
297 AC_DEFINE(WANT_FOPEN_BIN) ;;
303 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
305 dnl ansidecl.h will deal with const
310 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
311 # enough, but on some of those systems, the assert macro relies on requoting
313 AC_MSG_CHECKING([for working assert macro])
314 AC_CACHE_VAL(gas_cv_assert_ok,
315 AC_TRY_LINK([#include <assert.h>
316 #include <stdio.h>], [
317 /* check for requoting problems */
318 static int a, b, c, d;
320 assert (!strcmp(s, "foo bar baz quux"));
321 /* check for newline handling */
324 ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
325 AC_MSG_RESULT($gas_cv_assert_ok)
326 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT)
328 # On some systems, the system header files may not declare malloc, realloc,
329 # and free. There are places where gas needs these functions to have been
330 # declared -- such as when taking their addresses.
331 AC_MSG_CHECKING([whether a malloc declaration is required])
332 AC_CACHE_VAL(gas_cv_malloc_decl_needed,
348 f = (char *(*)()) malloc;
349 ], gas_cv_malloc_decl_needed=no, gas_cv_malloc_decl_needed=yes))dnl
350 AC_MSG_RESULT($gas_cv_malloc_decl_needed)
351 test $gas_cv_malloc_decl_needed = no || AC_DEFINE(NEED_MALLOC_DECLARATION)
353 AC_MSG_CHECKING([whether a free declaration is required])
354 AC_CACHE_VAL(gas_cv_free_decl_needed,
370 f = (int (*)()) free;
371 ], gas_cv_free_decl_needed=no, gas_cv_free_decl_needed=yes))
372 AC_MSG_RESULT($gas_cv_free_decl_needed)
373 test $gas_cv_free_decl_needed = no || AC_DEFINE(NEED_FREE_DECLARATION)
375 # Does errno.h declare errno, or do we have to add a separate declaration
377 AC_MSG_CHECKING([whether an errno declaration is required])
378 AC_CACHE_VAL(gas_cv_errno_decl_needed,
386 ], gas_cv_errno_decl_needed=no, gas_cv_errno_decl_needed=yes))
387 AC_MSG_RESULT($gas_cv_errno_decl_needed)
388 test $gas_cv_errno_decl_needed = no || AC_DEFINE(NEED_ERRNO_DECLARATION)
390 AC_CONFIG_SUBDIRS(testsuite)
392 dnl This must come last.
393 dnl Apparently symlinks are checked for in the directory containing
394 dnl the last Makefile. Thus the order used here...
395 AC_OUTPUT(doc/Makefile Makefile)