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 $gdb_cv_proc_service_is_old = yes; then
453 AC_DEFINE(PROC_SERVICE_IS_OLD)
460 AC_SUBST(CONFIG_LDFLAGS)
463 dnl Handle optional features that can be enabled.
465 dnl Handle MI sub-directory configury.
467 [ --enable-gdbmi Enable GDB-MI interface],
469 case "${enable_gdbmi}" in
471 "") enable_gdbmi=yes ;;
473 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
477 case ${enable_gdbmi} in
479 if test -d "${srcdir}/mi" ; then
480 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
481 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
482 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
483 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
484 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
485 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
486 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
487 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
488 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
494 [ --enable-tui Enable full-screen terminal user interface],
496 case "${enable_tui}" in
498 "") enable_tui=yes ;;
500 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
504 case ${enable_tui} in
506 if test -d "${srcdir}/tui" ; then
507 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
508 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
509 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
510 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
511 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
512 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
513 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
514 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
515 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
520 AC_ARG_ENABLE(netrom,
521 [ --enable-netrom Enable NetROM support],
522 [case "${enableval}" in
523 yes) enable_netrom=yes ;;
524 no) enable_netrom=no ;;
525 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
528 if test "${enable_netrom}" = "yes"; then
529 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
530 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
534 # Don't add -Wall or -Wunused, they include -Wunused-parameter which
536 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
537 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
538 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
539 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
540 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
541 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
542 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
543 # -Woverloaded-virtual -Winline -Werror"
544 AC_ARG_ENABLE(build-warnings,
545 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
546 [case "${enableval}" in
548 no) build_warnings="-w";;
549 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
550 build_warnings="${build_warnings} ${t}";;
551 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
552 build_warnings="${t} ${build_warnings}";;
553 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
555 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
556 echo "Setting compiler warning flags = $build_warnings" 6>&1
560 if test "x${build_warnings}" != x -a "x$GCC" = xyes
562 AC_MSG_CHECKING(compiler warning flags)
563 # Separate out the -Werror flag as some files just cannot be
564 # compiled with it enabled.
565 for w in ${build_warnings}; do
567 -Werr*) WERROR_CFLAGS=-Werror ;;
568 *) # Check that GCC accepts it
569 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
572 WARN_CFLAGS="${WARN_CFLAGS} $w"
576 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
578 AC_SUBST(WARN_CFLAGS)
579 AC_SUBST(WERROR_CFLAGS)
583 AC_SUBST(MMALLOC_CFLAGS)
587 [ --with-mmalloc Use memory mapped malloc package],
588 [case "${withval}" in
589 yes) want_mmalloc=true ;;
590 no) want_mmalloc=false;;
591 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
592 esac],[want_mmalloc=false])dnl
594 if test x$want_mmalloc = xtrue; then
595 AC_DEFINE(USE_MMALLOC)
596 AC_DEFINE(MMCHECK_FORCE)
597 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
598 MMALLOC='../mmalloc/libmmalloc.a'
601 AC_ARG_WITH(included-regex,
602 [ --with-included-regex Use included regex],
603 [case "${withval}" in
604 yes) want_included_regex=true ;;
605 no) want_included_regex=false;;
606 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
607 esac],[want_included_regex=true])dnl
609 if test $want_included_regex = false; then
610 AC_MSG_CHECKING(for GNU regex)
611 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
612 [AC_TRY_COMPILE([#include <gnu-versions.h>
613 #include <sys/types.h>
615 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
616 #error No valid GNU regex.
619 [gdb_cv_have_gnu_regex=yes],
620 [gdb_cv_have_gnu_regex=no])])
621 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
622 if test $gdb_cv_have_gnu_regex = no; then
623 want_included_regex=true
627 if test x${want_included_regex} = xtrue; then
629 AC_DEFINE(USE_INCLUDED_REGEX)
633 # In the Cygwin environment, we need some additional flags.
634 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
635 [AC_EGREP_CPP(lose, [
636 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
638 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
641 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
642 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
644 *go32* ) SER_HARDWIRE=ser-go32.o ;;
645 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
647 AC_SUBST(SER_HARDWIRE)
650 dnl Figure out which term library to use.
651 if test x$gdb_host = xgo32; then
654 if test x$gdb_cv_os_cygwin = xyes; then
655 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
658 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
659 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
660 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
661 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
662 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
663 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
665 if test "x$TERM_LIB" = x
667 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
673 # libreadline needs libuser32.a in a cygwin environment
675 if test x$gdb_cv_os_cygwin = xyes; then
678 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
684 LIBGUI="../libgui/src/libgui.a"
685 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
687 AC_SUBST(GUI_CFLAGS_X)
690 [ --with-cpu=CPU Set the default CPU variant to debug],
692 powerpc-* | powerpcle-* )
693 ## It would be nice to keep this table in sync with the one in
695 case "${with_cpu}" in
696 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
698 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
700 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
701 ## These are all RS6000 variants, as far as GDB is concerned.
711 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
717 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
720 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
725 [ --enable-gdbtk Enable GDBTK GUI front end],
726 [case "${enableval}" in
730 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
733 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
741 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
744 # Default is on for everything but go32 and Cygwin
749 if test -d "${srcdir}/gdbtk" ; then
763 if test "${enable_gdbtk}" = "yes"; then
766 if test -z "${no_tcl}"; then
770 # If $no_tk is nonempty, then we can't do Tk, and there is no
771 # point to doing Tcl.
772 if test -z "${no_tk}"; then
780 # now look for Itcl library stuff
782 CY_AC_PATH_ITCLCONFIG
783 if test -z "${no_itcl}"; then
784 CY_AC_LOAD_ITCLCONFIG
787 itcldir=../itcl/itcl/win/
790 itcldir=../itcl/itcl/unix/
795 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
796 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
800 # now look for Itk library stuff
802 if test -z "${no_itcl}"; then
807 itkdir=../itcl/itk/win/
810 itkdir=../itcl/itk/unix/
814 ITKLIB="${ITK_BUILD_LIB_SPEC}"
815 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
818 # now look for Tix library stuff
820 if test -z "${no_tix}"; then
822 TIXLIB="${TIX_BUILD_LIB_SPEC}"
823 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
826 ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
827 # Tcl/Tk 8.1 require -fwritable strings. I don't
828 # know whether 8.2 will or not, but I bet it will.
829 # I don't have to worry about 7.x since we don't support it.
831 if test "$GCC" = "yes"; then
832 if test "$TCL_VERSION" != "8.0" ; then
833 GDBTK_CFLAGS="-fwritable-strings"
837 # Include some libraries that Tcl and Tk want.
838 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
839 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
840 # Yes, the ordering seems wrong here. But it isn't.
841 # TK_LIBS is the list of libraries that need to be linked
842 # after Tcl/Tk. Note that this isn't put into LIBS. If it
843 # were in LIBS then any link tests after this point would
844 # try to include things like `$(LIBGUI)', which wouldn't work.
845 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
846 CONFIG_SRCS="${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"
847 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
848 CONFIG_INITS="${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"
849 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
850 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
851 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
852 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
854 if test x$gdb_cv_os_cygwin = xyes; then
855 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
856 WIN32LDAPP="-Wl,--subsystem,console"
857 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
873 AC_SUBST(GDBTK_CFLAGS)
878 # Unlike the sim directory, whether a simulator is linked is controlled by
879 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
880 # This code just checks for a few cases where we'd like to ignore those
881 # definitions, even when they're present in the '.mt' file. These cases
882 # are when --disable-sim is specified, or if the simulator directory is
883 # not part of the soruce tree.
886 [ --enable-sim Link gdb with simulator],
887 [echo "enable_sim = $enable_sim";
888 echo "enableval = ${enableval}";
889 case "${enableval}" in
890 yes) ignore_sim=false ;;
891 no) ignore_sim=true ;;
892 *) ignore_sim=false ;;
896 if test ! -d "${srcdir}/../sim"; then
900 if test "${ignore_sim}" = "true"; then
902 IGNORE_SIM_OBS="SIM_OBS="
909 AC_SUBST(IGNORE_SIM_OBS)
911 AC_SUBST(ENABLE_CFLAGS)
914 AC_SUBST(CONFIG_DEPS)
915 AC_SUBST(CONFIG_SRCS)
916 AC_SUBST(CONFIG_INITS)
918 AC_SUBST(CONFIG_CLEAN)
919 AC_SUBST(CONFIG_INSTALL)
920 AC_SUBST(CONFIG_UNINSTALL)
922 # Begin stuff to support --enable-shared
923 AC_ARG_ENABLE(shared,
924 [ --enable-shared Use shared libraries],
925 [case "${enableval}" in
933 # If we have shared libraries, try to set rpath reasonably.
934 if test "${shared}" = "true"; then
937 HLDFLAGS='-Wl,+s,+b,$(libdir)'
939 *-*-irix5* | *-*-irix6*)
940 HLDFLAGS='-Wl,-rpath,$(libdir)'
944 *-*-linux* | *-pc-linux-gnu*)
945 HLDFLAGS='-Wl,-rpath,$(libdir)'
948 HLDFLAGS='-R $(libdir)'
951 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;'
956 # On SunOS, if the linker supports the -rpath option, use it to
957 # prevent ../bfd and ../opcodes from being included in the run time
961 echo 'main () { }' > conftest.c
962 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
963 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
965 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
967 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
969 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
971 elif test "${shared}" = "true"; then
972 HLDFLAGS='-Wl,-rpath=$(libdir)'
974 HLDFLAGS='-Wl,-rpath='
976 rm -f conftest.t conftest.c conftest
981 # End stuff to support --enable-shared
983 # target_subdir is used by the testsuite to find the target libraries.
985 if test "${host}" != "${target}"; then
986 target_subdir="${target_alias}/"
988 AC_SUBST(target_subdir)
991 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
992 if test ! -f ${host_makefile_frag}; then
993 AC_MSG_ERROR("*** Gdb does not support host ${host}")
995 frags="$frags $host_makefile_frag"
997 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
998 if test ! -f ${target_makefile_frag}; then
999 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1001 frags="$frags $target_makefile_frag"
1003 AC_SUBST_FILE(host_makefile_frag)
1004 AC_SUBST_FILE(target_makefile_frag)
1009 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1010 ' ${host_makefile_frag}`
1012 targetfile=`sed -n '
1013 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1014 ' ${target_makefile_frag}`
1016 GDB_MULTI_ARCH=`sed -n '
1017 s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
1018 ' ${target_makefile_frag}`
1020 # these really aren't orthogonal true/false values of the same condition,
1021 # but shells are slow enough that I like to reuse the test conditions
1023 if test "${target}" = "${host}"; then
1024 nativefile=`sed -n '
1025 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1026 ' ${host_makefile_frag}`
1028 # GDBserver is only useful in a "native" enviroment
1029 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
1033 # New targets should just set gdb_multi_arch=yes in configure.tgt.
1034 # Old targets being converted can either do that or set GDB_MULTI_ARCH
1035 # in the target specific makefile frag. Eventually gdb_multi_arch=yes
1036 # will be the default.
1037 if test x"${GDB_MULTI_ARCH}" = x ; then
1038 case "${gdb_multi_arch}" in
1039 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1040 no ) GDB_MULTI_ARCH=0 ;;
1041 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1044 if test x"${GDB_MULTI_ARCH}" != x ; then
1045 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1047 # Warn the user when they use an old pratice
1048 case "${GDB_MULTI_ARCH}" in
1050 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1051 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1052 GDB_MULTI_ARCH_PURE )
1053 if test x"${targetfile}" != x ; then
1054 AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
1057 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1061 SUBDIRS="doc testsuite nlm"
1062 if test "${enable_multi_ice}" = "yes"; then
1063 SUBDIRS="${SUBDIRS} multi-ice"
1068 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1069 # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1077 if test "${hostfile}" != ""; then
1079 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1080 files="${files} ${GDB_XM_FILE}"
1081 links="${links} xm.h"
1082 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1088 if test "${targetfile}" != ""; then
1090 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1091 files="${files} ${GDB_TM_FILE}"
1092 links="${links} tm.h"
1093 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1099 if test "${nativefile}" != ""; then
1101 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1102 files="${files} ${GDB_NM_FILE}"
1103 links="${links} nm.h"
1104 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1110 AC_LINK_FILES($files, $links)
1112 dnl Check for exe extension set on certain hosts (e.g. Win32)
1115 AC_CONFIG_SUBDIRS($configdirs)
1116 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1118 dnl Autoconf doesn't provide a mechanism for modifying definitions
1119 dnl provided by makefile fragments.
1121 if test "${nativefile}" = ""; then
1122 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1123 < Makefile > Makefile.tem
1124 mv -f Makefile.tem Makefile
1128 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1129 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1130 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1131 mv -f Makefile.tmp Makefile
1135 case x$CONFIG_HEADERS in
1136 xconfig.h:config.in)
1141 gdb_host_cpu=$gdb_host_cpu
1142 gdb_target_cpu=$gdb_target_cpu
1143 nativefile=$nativefile