1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 2 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program; if not, write to the Free Software
18 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 dnl Process this file with autoconf to produce a configure script.
24 AC_CONFIG_HEADER(config.h:config.in)
32 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
35 dnl gdb doesn't use gettext, but bfd does. We call this to ensure we
36 dnl link with the correct libraries.
40 dnl List of object files added by configure.
52 configdirs="doc testsuite"
54 AC_ARG_ENABLE(multi-ice,
55 [ --enable-multi-ice Build the multi-ice-gdb-server],
56 [case "${enableval}" in
57 yes ) enable_multi_ice="yes" ;;
58 no) enable_multi_ice="no" ;;
59 *) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;;
63 if test "${enable_multi_ice}" = "yes"; then
64 configdirs="${configdirs} multi-ice"
70 . ${srcdir}/configure.host
72 . ${srcdir}/configure.tgt
74 targ=${target} ; . ${srcdir}/../bfd/config.bfd
79 dnl use BFD to determine the default architecture and byte order
80 dnl (bfd_vec->byteorder provides the latter).
82 . ${srcdir}/../bfd/config.bfd
84 dnl We only want the first arch, if there is more than one.
85 targ_archs=`echo ${targ_archs} | sed -e 's/ .*//;'`
87 if test x"${targ_archs}" != x ; then
88 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, ${targ_archs})
90 if test x"${targ_defvec}" != x ; then
91 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec})
97 AC_CHECK_TOOL(RANLIB, ranlib, :)
98 AC_CHECK_TOOL(DLLTOOL, dlltool)
99 AC_CHECK_TOOL(WINDRES, windres)
102 dnl MiG is needed for the Hurd.
103 AC_CHECK_TOOL(MIG, mig)
111 dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between <widec.h>
112 dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> doesn't
115 case $host_os in solaris2.7 | solaris2.8) case "$GCC" in yes)
116 AC_DEFINE(_MSE_INT_H)
119 AC_CHECK_HEADERS(ctype.h endian.h link.h thread_db.h proc_service.h \
120 memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
121 string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
122 term.h termio.h termios.h unistd.h wait.h sys/wait.h \
123 wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
124 time.h sys/ioctl.h sys/user.h \
125 dirent.h sys/ndir.h sys/dir.h ndir.h \
132 AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
135 # See if machine/reg.h supports the %fs and %gs i386 segment registers.
136 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
137 AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
138 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
139 gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
140 if test $gdb_cv_struct_reg_r_fs = yes; then
141 AC_DEFINE(HAVE_STRUCT_REG_R_FS)
143 AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
144 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
145 gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
146 if test $gdb_cv_struct_reg_r_gs = yes; then
147 AC_DEFINE(HAVE_STRUCT_REG_R_GS)
150 dnl See if ptrace.h provides the PTRACE_GETREGS request.
151 AC_MSG_CHECKING(for PTRACE_GETREGS)
152 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
153 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
155 [gdb_cv_have_ptrace_getregs=yes],
156 [gdb_cv_have_ptrace_getregs=no])])
157 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
158 if test $gdb_cv_have_ptrace_getregs = yes; then
159 AC_DEFINE(HAVE_PTRACE_GETREGS)
162 dnl See if ptrace.h provides the PTRACE_GETFPXREGS request.
163 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
164 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
165 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
166 [PTRACE_GETFPXREGS;],
167 [gdb_cv_have_ptrace_getfpxregs=yes],
168 [gdb_cv_have_ptrace_getfpxregs=no])])
169 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
170 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
171 AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
174 AC_CHECK_LIB(socket, socketpair)
175 AC_CHECK_FUNCS(socketpair)
178 BFD_NEED_DECLARATION(malloc)
179 BFD_NEED_DECLARATION(realloc)
180 BFD_NEED_DECLARATION(free)
181 BFD_NEED_DECLARATION(strerror)
182 BFD_NEED_DECLARATION(strdup)
183 BFD_NEED_DECLARATION(strstr)
186 # The following save_state_t checkery is only necessary for HPUX
187 # versions earlier than 10.20. When those fade from memory, this
188 # could be expunged. --jsm 1999-03-22
190 AC_MSG_CHECKING(for HPUX save_state structure)
191 AC_EGREP_HEADER(save_state_t, machine/save_state.h,
192 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
193 AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
194 gdb_cv_hpux_sswide=no)
195 if test $gdb_cv_hpux_savestate = yes
197 AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
199 if test $gdb_cv_hpux_sswide = yes
201 AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
203 AC_MSG_RESULT($gdb_cv_hpux_sswide)
206 # If we are configured native on GNU/Linux, work around problems with
208 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
210 if test "${target}" = "${host}"; then
212 i[[3456]]86-*-linux*)
213 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
214 AC_DEFINE(sys_quotactl)
216 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
217 AC_DEFINE(NEW_PROC_API)
219 *-*-solaris2.[[678]])
220 AC_DEFINE(NEW_PROC_API)
225 if test "$ac_cv_header_sys_procfs_h" = yes; then
226 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
227 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
228 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
229 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
230 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
231 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
232 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
233 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
234 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
235 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
237 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
238 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
240 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
241 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
242 [AC_TRY_COMPILE([#define _SYSCALL32
243 #include <sys/link.h>], [struct link_map32 l;],
244 gdb_cv_have_struct_link_map32=yes,
245 gdb_cv_have_struct_link_map32=no)])
246 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
247 if test $gdb_cv_have_struct_link_map32 = yes; then
248 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
251 dnl Check for broken prfpregset_t type
253 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
254 dnl prfpregset_t type (it's a typedef for the pointer to a struct
255 dnl instead of the struct itself). We detect this here, and work
256 dnl around it in lin-thread.c.
258 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
259 AC_MSG_CHECKING(whether prfpregset_t type is broken)
260 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
261 [AC_TRY_RUN([#include <sys/procfs.h>
264 if (sizeof (prfpregset_t) == sizeof (void *))
268 gdb_cv_prfpregset_t_broken=no,
269 gdb_cv_prfpregset_t_broken=yes,
270 gdb_cv_prfpregset_t_broken=yes)])
271 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
272 if test $gdb_cv_prfpregset_t_broken = yes; then
273 AC_DEFINE(PRFPREGSET_T_BROKEN)
277 dnl Check for PIOCSET ioctl entry
279 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
280 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
281 [AC_TRY_COMPILE([#include <unistd.h>
282 #include <sys/types.h>
283 #include <sys/procfs.h>
286 dummy = ioctl(0, PIOCSET, &dummy);
288 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
289 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
290 if test $gdb_cv_have_procfs_piocset = yes; then
291 AC_DEFINE(HAVE_PROCFS_PIOCSET)
295 dnl See if host has libm. This is usually needed by simulators.
296 AC_CHECK_LIB(m, main)
298 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
300 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
301 dnl under Solaris 2.6 because it is some funky empty library.
302 dnl So only link in libw if we have to.
303 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
305 dnl See if compiler supports "long long" type.
307 AC_MSG_CHECKING(for long long support in compiler)
308 AC_CACHE_VAL(gdb_cv_c_long_long,
310 extern long long foo;
311 switch (foo & 2) { case 0: return 1; }
313 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
314 AC_MSG_RESULT($gdb_cv_c_long_long)
315 if test $gdb_cv_c_long_long = yes; then
316 AC_DEFINE(CC_HAS_LONG_LONG)
319 dnl See if the compiler and runtime support printing long long
321 AC_MSG_CHECKING(for long long support in printf)
322 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
327 l = (l << 16) + 0x0123;
328 l = (l << 16) + 0x4567;
329 l = (l << 16) + 0x89ab;
330 l = (l << 16) + 0xcdef;
331 sprintf (buf, "0x%016llx", l);
332 return (strcmp ("0x0123456789abcdef", buf));
334 gdb_cv_printf_has_long_long=yes,
335 gdb_cv_printf_has_long_long=no,
336 gdb_cv_printf_has_long_long=no)])
337 if test $gdb_cv_printf_has_long_long = yes; then
338 AC_DEFINE(PRINTF_HAS_LONG_LONG)
340 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
342 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
343 dnl because autoconf complains about cross-compilation issues. However, this
344 dnl code uses the same variables as the macro for compatibility.
346 AC_MSG_CHECKING(for long double support in compiler)
347 AC_CACHE_VAL(ac_cv_c_long_double,
348 [AC_TRY_COMPILE(, [long double foo;],
349 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
350 AC_MSG_RESULT($ac_cv_c_long_double)
351 if test $ac_cv_c_long_double = yes; then
352 AC_DEFINE(HAVE_LONG_DOUBLE)
355 dnl See if the compiler and runtime support printing long doubles
357 AC_MSG_CHECKING(for long double support in printf)
358 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
362 long double f = 3.141592653;
363 sprintf (buf, "%Lg", f);
364 return (strncmp ("3.14159", buf, 7));
366 gdb_cv_printf_has_long_double=yes,
367 gdb_cv_printf_has_long_double=no,
368 gdb_cv_printf_has_long_double=no)])
369 if test $gdb_cv_printf_has_long_double = yes; then
370 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
372 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
374 dnl See if the compiler and runtime support scanning long doubles
376 AC_MSG_CHECKING(for long double support in scanf)
377 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
380 char *buf = "3.141592653";
382 sscanf (buf, "%Lg", &f);
383 return !(f > 3.14159 && f < 3.14160);
385 gdb_cv_scanf_has_long_double=yes,
386 gdb_cv_scanf_has_long_double=no,
387 gdb_cv_scanf_has_long_double=no)])
388 if test $gdb_cv_scanf_has_long_double = yes; then
389 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
391 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
395 dnl See if thread_db library is around for Solaris thread debugging. Note that
396 dnl we must explicitly test for version 1 of the library because version 0
397 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
399 dnl Note that we only want this if we are both native (host == target), and
400 dnl not doing a canadian cross build (build == host).
402 if test ${build} = ${host} -a ${host} = ${target} ; then
405 AC_MSG_CHECKING(for HPUX/OSF thread support)
406 if test -f /usr/include/dce/cma_config.h ; then
407 if test "$GCC" = "yes" ; then
409 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
410 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
411 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
413 AC_MSG_RESULT(no (suppressed because you are not using GCC))
420 AC_MSG_CHECKING(for Solaris thread debugging library)
421 if test -f /usr/lib/libthread_db.so.1 ; then
423 AC_DEFINE(HAVE_THREAD_DB_LIB)
424 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
425 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
426 AC_CHECK_LIB(dl, dlopen)
427 if test "$GCC" = "yes" ; then
428 # The GNU linker requires the -export-dynamic option to make
429 # all symbols visible in the dynamic symbol table.
430 hold_ldflags=$LDFLAGS
431 AC_MSG_CHECKING(for the ld -export-dynamic flag)
432 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
433 AC_TRY_LINK(, [int i;], found=yes, found=no)
434 LDFLAGS=$hold_ldflags
435 AC_MSG_RESULT($found)
436 if test $found = yes; then
437 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
440 # Sun randomly tweaked the prototypes in <proc_service.h>
442 AC_MSG_CHECKING(if <proc_service.h> is old)
443 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
445 #include <proc_service.h>
447 (struct ps_prochandle*, psaddr_t, const void*, size_t);
448 ],, gdb_cv_proc_service_is_old=no,
449 gdb_cv_proc_service_is_old=yes)
451 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
452 if test $gdb_cv_proc_service_is_old = yes; then
453 AC_DEFINE(PROC_SERVICE_IS_OLD)
460 AC_SUBST(CONFIG_LDFLAGS)
463 dnl The CLI cannot be disabled yet, but may be in the future
465 dnl Handle CLI sub-directory configury.
466 AC_ARG_ENABLE(gdbcli,
467 [ --enable-gdbcli Enable GDB-CLI interface],
469 case "${enable_gdbcli}" in
471 "") enable_gdbcli=yes ;;
473 AC_MSG_ERROR(The CLI cannot be disabled yet)
476 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
481 case ${enable_gdbcli} in
483 if test -d "${srcdir}/mi" ; then
484 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_CLI_OBS)"
485 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_CLI_DEPS)"
486 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_CLI_SRCS)"
487 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_CLI_INITS)"
488 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_CLI_CFLAGS)"
489 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_CLI_ALL)"
490 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_CLI_CLEAN)"
491 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_CLI_INSTALL)"
492 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_CLI_UNINSTALL)"
497 dnl Handle optional features that can be enabled.
499 dnl Handle MI sub-directory configury.
501 [ --enable-gdbmi Enable GDB-MI interface],
503 case "${enable_gdbmi}" in
505 "") enable_gdbmi=yes ;;
507 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
511 case ${enable_gdbmi} in
513 if test -d "${srcdir}/mi" ; then
514 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
515 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
516 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
517 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
518 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
519 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
520 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
521 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
522 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
528 [ --enable-tui Enable full-screen terminal user interface],
530 case "${enable_tui}" in
532 "") enable_tui=yes ;;
534 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
538 case ${enable_tui} in
540 if test -d "${srcdir}/tui" ; then
541 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
542 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
543 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
544 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
545 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
546 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
547 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
548 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
549 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
554 AC_ARG_ENABLE(netrom,
555 [ --enable-netrom Enable NetROM support],
556 [case "${enableval}" in
557 yes) enable_netrom=yes ;;
558 no) enable_netrom=no ;;
559 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
562 if test "${enable_netrom}" = "yes"; then
563 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
564 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
568 # NOTE: Don't add -Wall or -Wunused, they both include
569 # -Wunused-parameter which reports bogus warnings.
570 # NOTE: If you add to this list, remember to update
571 # gdb/doc/gdbint.texinfo.
572 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
573 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
574 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
575 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
576 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
577 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
578 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
579 # -Woverloaded-virtual -Winline -Werror"
580 AC_ARG_ENABLE(build-warnings,
581 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
582 [case "${enableval}" in
584 no) build_warnings="-w";;
585 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
586 build_warnings="${build_warnings} ${t}";;
587 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
588 build_warnings="${t} ${build_warnings}";;
589 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
591 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
592 echo "Setting compiler warning flags = $build_warnings" 6>&1
594 AC_ARG_ENABLE(gdb-build-warnings,
595 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
596 [case "${enableval}" in
598 no) build_warnings="-w";;
599 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
600 build_warnings="${build_warnings} ${t}";;
601 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
602 build_warnings="${t} ${build_warnings}";;
603 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
605 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
606 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
610 if test "x${build_warnings}" != x -a "x$GCC" = xyes
612 AC_MSG_CHECKING(compiler warning flags)
613 # Separate out the -Werror flag as some files just cannot be
614 # compiled with it enabled.
615 for w in ${build_warnings}; do
617 -Werr*) WERROR_CFLAGS=-Werror ;;
618 *) # Check that GCC accepts it
619 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
622 WARN_CFLAGS="${WARN_CFLAGS} $w"
626 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
628 AC_SUBST(WARN_CFLAGS)
629 AC_SUBST(WERROR_CFLAGS)
633 AC_SUBST(MMALLOC_CFLAGS)
637 [ --with-mmalloc Use memory mapped malloc package],
638 [case "${withval}" in
639 yes) want_mmalloc=true ;;
640 no) want_mmalloc=false;;
641 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
642 esac],[want_mmalloc=false])dnl
644 if test x$want_mmalloc = xtrue; then
645 AC_DEFINE(USE_MMALLOC)
646 AC_DEFINE(MMCHECK_FORCE)
647 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
648 MMALLOC='../mmalloc/libmmalloc.a'
651 AC_ARG_WITH(included-regex,
652 [ --with-included-regex Use included regex],
653 [case "${withval}" in
654 yes) want_included_regex=true ;;
655 no) want_included_regex=false;;
656 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
657 esac],[want_included_regex=true])dnl
659 if test $want_included_regex = false; then
660 AC_MSG_CHECKING(for GNU regex)
661 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
662 [AC_TRY_COMPILE([#include <gnu-versions.h>
663 #include <sys/types.h>
665 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
666 #error No valid GNU regex.
669 [gdb_cv_have_gnu_regex=yes],
670 [gdb_cv_have_gnu_regex=no])])
671 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
672 if test $gdb_cv_have_gnu_regex = no; then
673 want_included_regex=true
677 if test x${want_included_regex} = xtrue; then
679 AC_DEFINE(USE_INCLUDED_REGEX)
683 # In the Cygwin environment, we need some additional flags.
684 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
685 [AC_EGREP_CPP(lose, [
686 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
688 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
691 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
692 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
694 *go32* ) SER_HARDWIRE=ser-go32.o ;;
695 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
697 AC_SUBST(SER_HARDWIRE)
700 dnl Figure out which term library to use.
701 if test x$gdb_host = xgo32; then
704 if test x$gdb_cv_os_cygwin = xyes; then
705 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
708 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
709 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
710 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
711 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
712 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
713 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
715 if test "x$TERM_LIB" = x
717 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
723 # libreadline needs libuser32.a in a cygwin environment
725 if test x$gdb_cv_os_cygwin = xyes; then
728 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
734 LIBGUI="../libgui/src/libgui.a"
735 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
737 AC_SUBST(GUI_CFLAGS_X)
740 [ --with-cpu=CPU Set the default CPU variant to debug],
742 powerpc-* | powerpcle-* )
743 ## It would be nice to keep this table in sync with the one in
745 case "${with_cpu}" in
746 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
748 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
750 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
751 ## These are all RS6000 variants, as far as GDB is concerned.
761 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
767 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
770 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
775 [ --enable-gdbtk Enable GDBTK GUI front end],
776 [case "${enableval}" in
780 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
783 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
791 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
794 # Default is on for everything but go32 and Cygwin
799 if test -d "${srcdir}/gdbtk" ; then
813 if test "${enable_gdbtk}" = "yes"; then
816 if test -z "${no_tcl}"; then
820 # If $no_tk is nonempty, then we can't do Tk, and there is no
821 # point to doing Tcl.
822 if test -z "${no_tk}"; then
830 # now look for Itcl library stuff
832 CY_AC_PATH_ITCLCONFIG
833 if test -z "${no_itcl}"; then
834 CY_AC_LOAD_ITCLCONFIG
837 itcldir=../itcl/itcl/win/
840 itcldir=../itcl/itcl/unix/
845 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
846 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
850 # now look for Itk library stuff
852 if test -z "${no_itcl}"; then
857 itkdir=../itcl/itk/win/
860 itkdir=../itcl/itk/unix/
864 ITKLIB="${ITK_BUILD_LIB_SPEC}"
865 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
868 # now look for Tix library stuff
870 if test -z "${no_tix}"; then
872 TIXLIB="${TIX_BUILD_LIB_SPEC}"
873 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
876 ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
877 # Tcl/Tk 8.1 require -fwritable strings. I don't
878 # know whether 8.2 will or not, but I bet it will.
879 # I don't have to worry about 7.x since we don't support it.
881 if test "$GCC" = "yes"; then
882 if test "$TCL_VERSION" != "8.0" ; then
883 GDBTK_CFLAGS="-fwritable-strings"
887 # Include some libraries that Tcl and Tk want.
888 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
889 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
890 # Yes, the ordering seems wrong here. But it isn't.
891 # TK_LIBS is the list of libraries that need to be linked
892 # after Tcl/Tk. Note that this isn't put into LIBS. If it
893 # were in LIBS then any link tests after this point would
894 # try to include things like `$(LIBGUI)', which wouldn't work.
895 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
896 CONFIG_SRCS="${CONFIG_SRCS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
897 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
898 CONFIG_INITS="${CONFIG_INITS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
899 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
900 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
901 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
902 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
904 if test x$gdb_cv_os_cygwin = xyes; then
905 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
906 WIN32LDAPP="-Wl,--subsystem,console"
907 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
923 AC_SUBST(GDBTK_CFLAGS)
928 # Unlike the sim directory, whether a simulator is linked is controlled by
929 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
930 # This code just checks for a few cases where we'd like to ignore those
931 # definitions, even when they're present in the '.mt' file. These cases
932 # are when --disable-sim is specified, or if the simulator directory is
933 # not part of the soruce tree.
936 [ --enable-sim Link gdb with simulator],
937 [echo "enable_sim = $enable_sim";
938 echo "enableval = ${enableval}";
939 case "${enableval}" in
940 yes) ignore_sim=false ;;
941 no) ignore_sim=true ;;
942 *) ignore_sim=false ;;
946 if test ! -d "${srcdir}/../sim"; then
950 if test "${ignore_sim}" = "true"; then
952 IGNORE_SIM_OBS="SIM_OBS="
959 AC_SUBST(IGNORE_SIM_OBS)
961 AC_SUBST(ENABLE_CFLAGS)
964 AC_SUBST(CONFIG_DEPS)
965 AC_SUBST(CONFIG_SRCS)
966 AC_SUBST(CONFIG_INITS)
968 AC_SUBST(CONFIG_CLEAN)
969 AC_SUBST(CONFIG_INSTALL)
970 AC_SUBST(CONFIG_UNINSTALL)
972 # Begin stuff to support --enable-shared
973 AC_ARG_ENABLE(shared,
974 [ --enable-shared Use shared libraries],
975 [case "${enableval}" in
983 # If we have shared libraries, try to set rpath reasonably.
984 if test "${shared}" = "true"; then
987 HLDFLAGS='-Wl,+s,+b,$(libdir)'
989 *-*-irix5* | *-*-irix6*)
990 HLDFLAGS='-Wl,-rpath,$(libdir)'
994 *-*-linux* | *-pc-linux-gnu*)
995 HLDFLAGS='-Wl,-rpath,$(libdir)'
998 HLDFLAGS='-R $(libdir)'
1001 HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
1006 # On SunOS, if the linker supports the -rpath option, use it to
1007 # prevent ../bfd and ../opcodes from being included in the run time
1011 echo 'main () { }' > conftest.c
1012 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
1013 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
1015 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
1017 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
1019 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
1021 elif test "${shared}" = "true"; then
1022 HLDFLAGS='-Wl,-rpath=$(libdir)'
1024 HLDFLAGS='-Wl,-rpath='
1026 rm -f conftest.t conftest.c conftest
1031 # End stuff to support --enable-shared
1033 # target_subdir is used by the testsuite to find the target libraries.
1035 if test "${host}" != "${target}"; then
1036 target_subdir="${target_alias}/"
1038 AC_SUBST(target_subdir)
1041 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1042 if test ! -f ${host_makefile_frag}; then
1043 AC_MSG_ERROR("*** Gdb does not support host ${host}")
1045 frags="$frags $host_makefile_frag"
1047 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1048 if test ! -f ${target_makefile_frag}; then
1049 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1051 frags="$frags $target_makefile_frag"
1053 AC_SUBST_FILE(host_makefile_frag)
1054 AC_SUBST_FILE(target_makefile_frag)
1059 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1060 ' ${host_makefile_frag}`
1062 targetfile=`sed -n '
1063 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1064 ' ${target_makefile_frag}`
1066 GDB_MULTI_ARCH=`sed -n '
1067 s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
1068 ' ${target_makefile_frag}`
1070 # these really aren't orthogonal true/false values of the same condition,
1071 # but shells are slow enough that I like to reuse the test conditions
1073 if test "${target}" = "${host}"; then
1074 nativefile=`sed -n '
1075 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1076 ' ${host_makefile_frag}`
1078 # GDBserver is only useful in a "native" enviroment
1079 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
1083 # New targets should just set gdb_multi_arch=yes in configure.tgt.
1084 # Old targets being converted can either do that or set GDB_MULTI_ARCH
1085 # in the target specific makefile frag. Eventually gdb_multi_arch=yes
1086 # will be the default.
1087 if test x"${GDB_MULTI_ARCH}" = x ; then
1088 case "${gdb_multi_arch}" in
1089 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1090 no ) GDB_MULTI_ARCH=0 ;;
1091 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1094 if test x"${GDB_MULTI_ARCH}" != x ; then
1095 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1097 # Warn the user when they use an old pratice
1098 case "${GDB_MULTI_ARCH}" in
1100 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1101 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1102 GDB_MULTI_ARCH_PURE )
1103 if test x"${targetfile}" != x ; then
1104 AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
1107 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1111 SUBDIRS="doc testsuite nlm"
1112 if test "${enable_multi_ice}" = "yes"; then
1113 SUBDIRS="${SUBDIRS} multi-ice"
1118 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1119 # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1127 if test "${hostfile}" != ""; then
1129 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1130 files="${files} ${GDB_XM_FILE}"
1131 links="${links} xm.h"
1132 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1138 if test "${targetfile}" != ""; then
1140 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1141 files="${files} ${GDB_TM_FILE}"
1142 links="${links} tm.h"
1143 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1149 if test "${nativefile}" != ""; then
1151 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1152 files="${files} ${GDB_NM_FILE}"
1153 links="${links} nm.h"
1154 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1160 AC_LINK_FILES($files, $links)
1162 dnl Check for exe extension set on certain hosts (e.g. Win32)
1165 AC_CONFIG_SUBDIRS($configdirs)
1166 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1168 dnl Autoconf doesn't provide a mechanism for modifying definitions
1169 dnl provided by makefile fragments.
1171 if test "${nativefile}" = ""; then
1172 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1173 < Makefile > Makefile.tem
1174 mv -f Makefile.tem Makefile
1178 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1179 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1180 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1181 mv -f Makefile.tmp Makefile
1185 case x$CONFIG_HEADERS in
1186 xconfig.h:config.in)
1191 gdb_host_cpu=$gdb_host_cpu
1192 gdb_target_cpu=$gdb_target_cpu
1193 nativefile=$nativefile