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 "$ac_cv_header_sys_procfs_h" = yes; then
226 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
227 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
228 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
229 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
230 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
231 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
232 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
233 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
234 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
235 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
237 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
238 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
240 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
241 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
242 [AC_TRY_RUN([#define _SYSCALL32
243 #include <sys/link.h>
246 if (sizeof (struct link_map32) > 0)
250 gdb_cv_have_struct_link_map32=no,
251 gdb_cv_have_struct_link_map32=yes,
252 gdb_cv_have_struct_link_map32=yes)])
253 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
254 if test $gdb_cv_have_struct_link_map32 = yes; then
255 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
258 dnl Check for broken prfpregset_t type
260 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
261 dnl prfpregset_t type (it's a typedef for the pointer to a struct
262 dnl instead of the struct itself). We detect this here, and work
263 dnl around it in lin-thread.c.
265 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
266 AC_MSG_CHECKING(whether prfpregset_t type is broken)
267 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
268 [AC_TRY_RUN([#include <sys/procfs.h>
271 if (sizeof (prfpregset_t) == sizeof (void *))
275 gdb_cv_prfpregset_t_broken=no,
276 gdb_cv_prfpregset_t_broken=yes,
277 gdb_cv_prfpregset_t_broken=yes)])
278 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
279 if test $gdb_cv_prfpregset_t_broken = yes; then
280 AC_DEFINE(PRFPREGSET_T_BROKEN)
284 dnl Check for PIOCSET ioctl entry
286 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
287 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
288 [AC_TRY_COMPILE([#include <unistd.h>
289 #include <sys/types.h>
290 #include <sys/procfs.h>
293 dummy = ioctl(0, PIOCSET, &dummy);
295 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
296 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
297 if test $gdb_cv_have_procfs_piocset = yes; then
298 AC_DEFINE(HAVE_PROCFS_PIOCSET)
302 dnl See if host has libm. This is usually needed by simulators.
303 AC_CHECK_LIB(m, main)
305 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
307 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
308 dnl under Solaris 2.6 because it is some funky empty library.
309 dnl So only link in libw if we have to.
310 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
312 dnl See if compiler supports "long long" type.
314 AC_MSG_CHECKING(for long long support in compiler)
315 AC_CACHE_VAL(gdb_cv_c_long_long,
317 extern long long foo;
318 switch (foo & 2) { case 0: return 1; }
320 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
321 AC_MSG_RESULT($gdb_cv_c_long_long)
322 if test $gdb_cv_c_long_long = yes; then
323 AC_DEFINE(CC_HAS_LONG_LONG)
326 dnl See if the compiler and runtime support printing long long
328 AC_MSG_CHECKING(for long long support in printf)
329 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
334 l = (l << 16) + 0x0123;
335 l = (l << 16) + 0x4567;
336 l = (l << 16) + 0x89ab;
337 l = (l << 16) + 0xcdef;
338 sprintf (buf, "0x%016llx", l);
339 return (strcmp ("0x0123456789abcdef", buf));
341 gdb_cv_printf_has_long_long=yes,
342 gdb_cv_printf_has_long_long=no,
343 gdb_cv_printf_has_long_long=no)])
344 if test $gdb_cv_printf_has_long_long = yes; then
345 AC_DEFINE(PRINTF_HAS_LONG_LONG)
347 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
349 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
350 dnl because autoconf complains about cross-compilation issues. However, this
351 dnl code uses the same variables as the macro for compatibility.
353 AC_MSG_CHECKING(for long double support in compiler)
354 AC_CACHE_VAL(ac_cv_c_long_double,
355 [AC_TRY_COMPILE(, [long double foo;],
356 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
357 AC_MSG_RESULT($ac_cv_c_long_double)
358 if test $ac_cv_c_long_double = yes; then
359 AC_DEFINE(HAVE_LONG_DOUBLE)
362 dnl See if the compiler and runtime support printing long doubles
364 AC_MSG_CHECKING(for long double support in printf)
365 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
369 long double f = 3.141592653;
370 sprintf (buf, "%Lg", f);
371 return (strncmp ("3.14159", buf, 7));
373 gdb_cv_printf_has_long_double=yes,
374 gdb_cv_printf_has_long_double=no,
375 gdb_cv_printf_has_long_double=no)])
376 if test $gdb_cv_printf_has_long_double = yes; then
377 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
379 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
381 dnl See if the compiler and runtime support scanning long doubles
383 AC_MSG_CHECKING(for long double support in scanf)
384 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
387 char *buf = "3.141592653";
389 sscanf (buf, "%Lg", &f);
390 return !(f > 3.14159 && f < 3.14160);
392 gdb_cv_scanf_has_long_double=yes,
393 gdb_cv_scanf_has_long_double=no,
394 gdb_cv_scanf_has_long_double=no)])
395 if test $gdb_cv_scanf_has_long_double = yes; then
396 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
398 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
402 dnl See if thread_db library is around for Solaris thread debugging. Note that
403 dnl we must explicitly test for version 1 of the library because version 0
404 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
406 dnl Note that we only want this if we are both native (host == target), and
407 dnl not doing a canadian cross build (build == host).
409 if test ${build} = ${host} -a ${host} = ${target} ; then
412 AC_MSG_CHECKING(for HPUX/OSF thread support)
413 if test -f /usr/include/dce/cma_config.h ; then
414 if test "$GCC" = "yes" ; then
416 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
417 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
418 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
420 AC_MSG_RESULT(no (suppressed because you are not using GCC))
427 AC_MSG_CHECKING(for Solaris thread debugging library)
428 if test -f /usr/lib/libthread_db.so.1 ; then
430 AC_DEFINE(HAVE_THREAD_DB_LIB)
431 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
432 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
433 AC_CHECK_LIB(dl, dlopen)
434 if test "$GCC" = "yes" ; then
435 # The GNU linker requires the -export-dynamic option to make
436 # all symbols visible in the dynamic symbol table.
437 hold_ldflags=$LDFLAGS
438 AC_MSG_CHECKING(for the ld -export-dynamic flag)
439 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
440 AC_TRY_LINK(, [int i;], found=yes, found=no)
441 LDFLAGS=$hold_ldflags
442 AC_MSG_RESULT($found)
443 if test $found = yes; then
444 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
447 # Sun randomly tweaked the prototypes in <proc_service.h>
449 AC_MSG_CHECKING(if <proc_service.h> is old)
450 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
452 #include <proc_service.h>
454 (struct ps_prochandle*, psaddr_t, const void*, size_t);
455 ],, gdb_cv_proc_service_is_old=no,
456 gdb_cv_proc_service_is_old=yes)
458 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
459 if test $gdb_cv_proc_service_is_old = yes; then
460 AC_DEFINE(PROC_SERVICE_IS_OLD)
467 AC_SUBST(CONFIG_LDFLAGS)
470 dnl Handle optional features that can be enabled.
472 dnl Handle MI sub-directory configury.
474 [ --enable-gdbmi Enable GDB-MI interface],
476 case "${enable_gdbmi}" in
478 "") enable_gdbmi=yes ;;
480 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
484 case ${enable_gdbmi} in
486 if test -d "${srcdir}/mi" ; then
487 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
488 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
489 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
490 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
491 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
492 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
493 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
494 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
495 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
501 [ --enable-tui Enable full-screen terminal user interface],
503 case "${enable_tui}" in
505 "") enable_tui=yes ;;
507 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
511 case ${enable_tui} in
513 if test -d "${srcdir}/tui" ; then
514 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
515 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
516 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
517 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
518 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
519 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
520 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
521 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
522 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
527 AC_ARG_ENABLE(netrom,
528 [ --enable-netrom Enable NetROM support],
529 [case "${enableval}" in
530 yes) enable_netrom=yes ;;
531 no) enable_netrom=no ;;
532 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
535 if test "${enable_netrom}" = "yes"; then
536 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
537 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
541 # Don't add -Wall or -Wunused, they include -Wunused-parameter which
543 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
544 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
545 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
546 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
547 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
548 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
549 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
550 # -Woverloaded-virtual -Winline -Werror"
551 AC_ARG_ENABLE(build-warnings,
552 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
553 [case "${enableval}" in
555 no) build_warnings="-w";;
556 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
557 build_warnings="${build_warnings} ${t}";;
558 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
559 build_warnings="${t} ${build_warnings}";;
560 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
562 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
563 echo "Setting compiler warning flags = $build_warnings" 6>&1
567 if test "x${build_warnings}" != x -a "x$GCC" = xyes
569 AC_MSG_CHECKING(compiler warning flags)
570 # Separate out the -Werror flag as some files just cannot be
571 # compiled with it enabled.
572 for w in ${build_warnings}; do
574 -Werr*) WERROR_CFLAGS=-Werror ;;
575 *) # Check that GCC accepts it
576 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
579 WARN_CFLAGS="${WARN_CFLAGS} $w"
583 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
585 AC_SUBST(WARN_CFLAGS)
586 AC_SUBST(WERROR_CFLAGS)
590 AC_SUBST(MMALLOC_CFLAGS)
594 [ --with-mmalloc Use memory mapped malloc package],
595 [case "${withval}" in
596 yes) want_mmalloc=true ;;
597 no) want_mmalloc=false;;
598 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
599 esac],[want_mmalloc=false])dnl
601 if test x$want_mmalloc = xtrue; then
602 AC_DEFINE(USE_MMALLOC)
603 AC_DEFINE(MMCHECK_FORCE)
604 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
605 MMALLOC='../mmalloc/libmmalloc.a'
608 AC_ARG_WITH(included-regex,
609 [ --with-included-regex Use included regex],
610 [case "${withval}" in
611 yes) want_included_regex=true ;;
612 no) want_included_regex=false;;
613 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
614 esac],[want_included_regex=true])dnl
616 if test $want_included_regex = false; then
617 AC_MSG_CHECKING(for GNU regex)
618 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
619 [AC_TRY_COMPILE([#include <gnu-versions.h>
620 #include <sys/types.h>
622 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
623 #error No valid GNU regex.
626 [gdb_cv_have_gnu_regex=yes],
627 [gdb_cv_have_gnu_regex=no])])
628 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
629 if test $gdb_cv_have_gnu_regex = no; then
630 want_included_regex=true
634 if test x${want_included_regex} = xtrue; then
636 AC_DEFINE(USE_INCLUDED_REGEX)
640 # In the Cygwin environment, we need some additional flags.
641 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
642 [AC_EGREP_CPP(lose, [
643 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
645 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
648 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
649 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
651 *go32* ) SER_HARDWIRE=ser-go32.o ;;
652 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
654 AC_SUBST(SER_HARDWIRE)
657 dnl Figure out which term library to use.
658 if test x$gdb_host = xgo32; then
661 if test x$gdb_cv_os_cygwin = xyes; then
662 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
665 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
666 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
667 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
668 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
669 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
670 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
672 if test "x$TERM_LIB" = x
674 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
680 # libreadline needs libuser32.a in a cygwin environment
682 if test x$gdb_cv_os_cygwin = xyes; then
685 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
691 LIBGUI="../libgui/src/libgui.a"
692 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
694 AC_SUBST(GUI_CFLAGS_X)
697 [ --with-cpu=CPU Set the default CPU variant to debug],
699 powerpc-* | powerpcle-* )
700 ## It would be nice to keep this table in sync with the one in
702 case "${with_cpu}" in
703 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
705 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
707 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
708 ## These are all RS6000 variants, as far as GDB is concerned.
718 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
724 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
727 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
732 [ --enable-gdbtk Enable GDBTK GUI front end],
733 [case "${enableval}" in
737 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
740 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
748 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
751 # Default is on for everything but go32 and Cygwin
756 if test -d "${srcdir}/gdbtk" ; then
770 if test "${enable_gdbtk}" = "yes"; then
773 if test -z "${no_tcl}"; then
777 # If $no_tk is nonempty, then we can't do Tk, and there is no
778 # point to doing Tcl.
779 if test -z "${no_tk}"; then
787 # now look for Itcl library stuff
789 CY_AC_PATH_ITCLCONFIG
790 if test -z "${no_itcl}"; then
791 CY_AC_LOAD_ITCLCONFIG
794 itcldir=../itcl/itcl/win/
797 itcldir=../itcl/itcl/unix/
802 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
803 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
807 # now look for Itk library stuff
809 if test -z "${no_itcl}"; then
814 itkdir=../itcl/itk/win/
817 itkdir=../itcl/itk/unix/
821 ITKLIB="${ITK_BUILD_LIB_SPEC}"
822 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
825 # now look for Tix library stuff
827 if test -z "${no_tix}"; then
829 TIXLIB="${TIX_BUILD_LIB_SPEC}"
830 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
833 ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
834 # Tcl/Tk 8.1 require -fwritable strings. I don't
835 # know whether 8.2 will or not, but I bet it will.
836 # I don't have to worry about 7.x since we don't support it.
838 if test "$GCC" = "yes"; then
839 if test "$TCL_VERSION" != "8.0" ; then
840 GDBTK_CFLAGS="-fwritable-strings"
844 # Include some libraries that Tcl and Tk want.
845 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
846 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
847 # Yes, the ordering seems wrong here. But it isn't.
848 # TK_LIBS is the list of libraries that need to be linked
849 # after Tcl/Tk. Note that this isn't put into LIBS. If it
850 # were in LIBS then any link tests after this point would
851 # try to include things like `$(LIBGUI)', which wouldn't work.
852 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
853 CONFIG_SRCS="${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"
854 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
855 CONFIG_INITS="${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"
856 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
857 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
858 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
859 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
861 if test x$gdb_cv_os_cygwin = xyes; then
862 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
863 WIN32LDAPP="-Wl,--subsystem,console"
864 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
880 AC_SUBST(GDBTK_CFLAGS)
885 # Unlike the sim directory, whether a simulator is linked is controlled by
886 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
887 # This code just checks for a few cases where we'd like to ignore those
888 # definitions, even when they're present in the '.mt' file. These cases
889 # are when --disable-sim is specified, or if the simulator directory is
890 # not part of the soruce tree.
893 [ --enable-sim Link gdb with simulator],
894 [echo "enable_sim = $enable_sim";
895 echo "enableval = ${enableval}";
896 case "${enableval}" in
897 yes) ignore_sim=false ;;
898 no) ignore_sim=true ;;
899 *) ignore_sim=false ;;
903 if test ! -d "${srcdir}/../sim"; then
907 if test "${ignore_sim}" = "true"; then
909 IGNORE_SIM_OBS="SIM_OBS="
916 AC_SUBST(IGNORE_SIM_OBS)
918 AC_SUBST(ENABLE_CFLAGS)
921 AC_SUBST(CONFIG_DEPS)
922 AC_SUBST(CONFIG_SRCS)
923 AC_SUBST(CONFIG_INITS)
925 AC_SUBST(CONFIG_CLEAN)
926 AC_SUBST(CONFIG_INSTALL)
927 AC_SUBST(CONFIG_UNINSTALL)
929 # Begin stuff to support --enable-shared
930 AC_ARG_ENABLE(shared,
931 [ --enable-shared Use shared libraries],
932 [case "${enableval}" in
940 # If we have shared libraries, try to set rpath reasonably.
941 if test "${shared}" = "true"; then
944 HLDFLAGS='-Wl,+s,+b,$(libdir)'
946 *-*-irix5* | *-*-irix6*)
947 HLDFLAGS='-Wl,-rpath,$(libdir)'
951 *-*-linux* | *-pc-linux-gnu*)
952 HLDFLAGS='-Wl,-rpath,$(libdir)'
955 HLDFLAGS='-R $(libdir)'
958 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;'
963 # On SunOS, if the linker supports the -rpath option, use it to
964 # prevent ../bfd and ../opcodes from being included in the run time
968 echo 'main () { }' > conftest.c
969 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
970 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
972 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
974 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
976 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
978 elif test "${shared}" = "true"; then
979 HLDFLAGS='-Wl,-rpath=$(libdir)'
981 HLDFLAGS='-Wl,-rpath='
983 rm -f conftest.t conftest.c conftest
988 # End stuff to support --enable-shared
990 # target_subdir is used by the testsuite to find the target libraries.
992 if test "${host}" != "${target}"; then
993 target_subdir="${target_alias}/"
995 AC_SUBST(target_subdir)
998 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
999 if test ! -f ${host_makefile_frag}; then
1000 AC_MSG_ERROR("*** Gdb does not support host ${host}")
1002 frags="$frags $host_makefile_frag"
1004 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1005 if test ! -f ${target_makefile_frag}; then
1006 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1008 frags="$frags $target_makefile_frag"
1010 AC_SUBST_FILE(host_makefile_frag)
1011 AC_SUBST_FILE(target_makefile_frag)
1016 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1017 ' ${host_makefile_frag}`
1019 targetfile=`sed -n '
1020 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1021 ' ${target_makefile_frag}`
1023 GDB_MULTI_ARCH=`sed -n '
1024 s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
1025 ' ${target_makefile_frag}`
1027 # these really aren't orthogonal true/false values of the same condition,
1028 # but shells are slow enough that I like to reuse the test conditions
1030 if test "${target}" = "${host}"; then
1031 nativefile=`sed -n '
1032 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1033 ' ${host_makefile_frag}`
1035 # GDBserver is only useful in a "native" enviroment
1036 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
1040 # New targets should just set gdb_multi_arch=yes in configure.tgt.
1041 # Old targets being converted can either do that or set GDB_MULTI_ARCH
1042 # in the target specific makefile frag. Eventually gdb_multi_arch=yes
1043 # will be the default.
1044 if test x"${GDB_MULTI_ARCH}" = x ; then
1045 case "${gdb_multi_arch}" in
1046 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1047 no ) GDB_MULTI_ARCH=0 ;;
1048 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1051 if test x"${GDB_MULTI_ARCH}" != x ; then
1052 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1054 # Warn the user when they use an old pratice
1055 case "${GDB_MULTI_ARCH}" in
1057 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1058 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1059 GDB_MULTI_ARCH_PURE )
1060 if test x"${targetfile}" != x ; then
1061 AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
1064 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1068 SUBDIRS="doc testsuite nlm"
1069 if test "${enable_multi_ice}" = "yes"; then
1070 SUBDIRS="${SUBDIRS} multi-ice"
1075 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1076 # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1084 if test "${hostfile}" != ""; then
1086 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1087 files="${files} ${GDB_XM_FILE}"
1088 links="${links} xm.h"
1089 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1095 if test "${targetfile}" != ""; then
1097 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1098 files="${files} ${GDB_TM_FILE}"
1099 links="${links} tm.h"
1100 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1106 if test "${nativefile}" != ""; then
1108 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1109 files="${files} ${GDB_NM_FILE}"
1110 links="${links} nm.h"
1111 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1117 AC_LINK_FILES($files, $links)
1119 dnl Check for exe extension set on certain hosts (e.g. Win32)
1122 AC_CONFIG_SUBDIRS($configdirs)
1123 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1125 dnl Autoconf doesn't provide a mechanism for modifying definitions
1126 dnl provided by makefile fragments.
1128 if test "${nativefile}" = ""; then
1129 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1130 < Makefile > Makefile.tem
1131 mv -f Makefile.tem Makefile
1135 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1136 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1137 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1138 mv -f Makefile.tmp Makefile
1142 case x$CONFIG_HEADERS in
1143 xconfig.h:config.in)
1148 gdb_host_cpu=$gdb_host_cpu
1149 gdb_target_cpu=$gdb_target_cpu
1150 nativefile=$nativefile