1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright 1995, 1996, 1997, 1998, 1999 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 \
131 AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
134 # See if machine/reg.h supports the %fs and %gs i386 segment registers.
135 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
136 AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
137 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
138 gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
139 if test $gdb_cv_struct_reg_r_fs = yes; then
140 AC_DEFINE(HAVE_STRUCT_REG_R_FS)
142 AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
143 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
144 gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
145 if test $gdb_cv_struct_reg_r_gs = yes; then
146 AC_DEFINE(HAVE_STRUCT_REG_R_GS)
149 dnl See if ptrace.h provides the PTRACE_GETREGS request.
150 AC_MSG_CHECKING(for PTRACE_GETREGS)
151 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
152 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
154 [gdb_cv_have_ptrace_getregs=yes],
155 [gdb_cv_have_ptrace_getregs=no])])
156 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
157 if test $gdb_cv_have_ptrace_getregs = yes; then
158 AC_DEFINE(HAVE_PTRACE_GETREGS)
161 dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
162 dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
163 dnl Linux kernel patch for SSE support. That patch may or may not
164 dnl actually make it into the official distribution. If you find that
165 dnl years have gone by since this configure test was added, and Linux
166 dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
167 dnl make it, and you can delete this code.
168 AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
169 AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
170 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
171 [PTRACE_GETXFPREGS;],
172 [gdb_cv_have_ptrace_getxfpregs=yes],
173 [gdb_cv_have_ptrace_getxfpregs=no])])
174 AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)
175 if test $gdb_cv_have_ptrace_getxfpregs = yes; then
176 AC_DEFINE(HAVE_PTRACE_GETXFPREGS)
179 AC_CHECK_LIB(socket, socketpair)
180 AC_CHECK_FUNCS(socketpair)
183 BFD_NEED_DECLARATION(malloc)
184 BFD_NEED_DECLARATION(realloc)
185 BFD_NEED_DECLARATION(free)
186 BFD_NEED_DECLARATION(strerror)
187 BFD_NEED_DECLARATION(strdup)
188 BFD_NEED_DECLARATION(strstr)
191 # The following save_state_t checkery is only necessary for HPUX
192 # versions earlier than 10.20. When those fade from memory, this
193 # could be expunged. --jsm 1999-03-22
195 AC_MSG_CHECKING(for HPUX save_state structure)
196 AC_EGREP_HEADER(save_state_t, machine/save_state.h,
197 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
198 AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
199 gdb_cv_hpux_sswide=no)
200 if test $gdb_cv_hpux_savestate = yes
202 AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
204 if test $gdb_cv_hpux_sswide = yes
206 AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
208 AC_MSG_RESULT($gdb_cv_hpux_sswide)
211 # If we are configured native on GNU/Linux, work around problems with
213 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
215 if test "${target}" = "${host}"; then
217 i[[3456]]86-*-linux*)
218 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
219 AC_DEFINE(sys_quotactl)
221 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
222 AC_DEFINE(NEW_PROC_API)
224 *-*-solaris2.[[678]])
225 AC_DEFINE(NEW_PROC_API)
230 if test "$ac_cv_header_sys_procfs_h" = yes; then
231 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
232 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
233 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
234 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
235 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
236 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
237 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
238 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
240 dnl Check for broken prfpregset_t type
242 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
243 dnl prfpregset_t type (it's a typedef for the pointer to a struct
244 dnl instead of the struct itself). We detect this here, and work
245 dnl around it in lin-thread.c.
247 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
248 AC_MSG_CHECKING(whether prfpregset_t type is broken)
249 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
250 [AC_TRY_RUN([#include <sys/procfs.h>
253 if (sizeof (prfpregset_t) == sizeof (void *))
257 gdb_cv_prfpregset_t_broken=no,
258 gdb_cv_prfpregset_t_broken=yes,
259 gdb_cv_prfpregset_t_broken=yes)])
260 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
261 if test $gdb_cv_prfpregset_t_broken = yes; then
262 AC_DEFINE(PRFPREGSET_T_BROKEN)
266 dnl Check for PIOCSET ioctl entry
268 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
269 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
270 [AC_TRY_COMPILE([#include <unistd.h>
271 #include <sys/types.h>
272 #include <sys/procfs.h>
275 dummy = ioctl(0, PIOCSET, &dummy);
277 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
278 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
279 if test $gdb_cv_have_procfs_piocset = yes; then
280 AC_DEFINE(HAVE_PROCFS_PIOCSET)
284 dnl See if host has libm. This is usually needed by simulators.
285 AC_CHECK_LIB(m, main)
287 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
289 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
290 dnl under Solaris 2.6 because it is some funky empty library.
291 dnl So only link in libw if we have to.
292 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
294 dnl See if compiler supports "long long" type.
296 AC_MSG_CHECKING(for long long support in compiler)
297 AC_CACHE_VAL(gdb_cv_c_long_long,
299 extern long long foo;
300 switch (foo & 2) { case 0: return 1; }
302 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
303 AC_MSG_RESULT($gdb_cv_c_long_long)
304 if test $gdb_cv_c_long_long = yes; then
305 AC_DEFINE(CC_HAS_LONG_LONG)
308 dnl See if the compiler and runtime support printing long long
310 AC_MSG_CHECKING(for long long support in printf)
311 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
316 l = (l << 16) + 0x0123;
317 l = (l << 16) + 0x4567;
318 l = (l << 16) + 0x89ab;
319 l = (l << 16) + 0xcdef;
320 sprintf (buf, "0x%016llx", l);
321 return (strcmp ("0x0123456789abcdef", buf));
323 gdb_cv_printf_has_long_long=yes,
324 gdb_cv_printf_has_long_long=no,
325 gdb_cv_printf_has_long_long=no)])
326 if test $gdb_cv_printf_has_long_long = yes; then
327 AC_DEFINE(PRINTF_HAS_LONG_LONG)
329 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
331 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
332 dnl because autoconf complains about cross-compilation issues. However, this
333 dnl code uses the same variables as the macro for compatibility.
335 AC_MSG_CHECKING(for long double support in compiler)
336 AC_CACHE_VAL(ac_cv_c_long_double,
337 [AC_TRY_COMPILE(, [long double foo;],
338 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
339 AC_MSG_RESULT($ac_cv_c_long_double)
340 if test $ac_cv_c_long_double = yes; then
341 AC_DEFINE(HAVE_LONG_DOUBLE)
344 dnl See if the compiler and runtime support printing long doubles
346 AC_MSG_CHECKING(for long double support in printf)
347 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
351 long double f = 3.141592653;
352 sprintf (buf, "%Lg", f);
353 return (strncmp ("3.14159", buf, 7));
355 gdb_cv_printf_has_long_double=yes,
356 gdb_cv_printf_has_long_double=no,
357 gdb_cv_printf_has_long_double=no)])
358 if test $gdb_cv_printf_has_long_double = yes; then
359 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
361 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
363 dnl See if the compiler and runtime support scanning long doubles
365 AC_MSG_CHECKING(for long double support in scanf)
366 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
369 char *buf = "3.141592653";
371 sscanf (buf, "%Lg", &f);
372 return !(f > 3.14159 && f < 3.14160);
374 gdb_cv_scanf_has_long_double=yes,
375 gdb_cv_scanf_has_long_double=no,
376 gdb_cv_scanf_has_long_double=no)])
377 if test $gdb_cv_scanf_has_long_double = yes; then
378 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
380 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
384 dnl See if thread_db library is around for Solaris thread debugging. Note that
385 dnl we must explicitly test for version 1 of the library because version 0
386 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
388 dnl Note that we only want this if we are both native (host == target), and
389 dnl not doing a canadian cross build (build == host).
391 if test ${build} = ${host} -a ${host} = ${target} ; then
394 AC_MSG_CHECKING(for HPUX/OSF thread support)
395 if test -f /usr/include/dce/cma_config.h ; then
396 if test "$GCC" = "yes" ; then
398 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
399 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
400 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
402 AC_MSG_RESULT(no (suppressed because you are not using GCC))
409 AC_MSG_CHECKING(for Solaris thread debugging library)
410 if test -f /usr/lib/libthread_db.so.1 ; then
412 AC_DEFINE(HAVE_THREAD_DB_LIB)
413 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
414 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
415 AC_CHECK_LIB(dl, dlopen)
416 if test "$GCC" = "yes" ; then
417 # The GNU linker requires the -export-dynamic option to make
418 # all symbols visible in the dynamic symbol table.
419 hold_ldflags=$LDFLAGS
420 AC_MSG_CHECKING(for the ld -export-dynamic flag)
421 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
422 AC_TRY_LINK(, [int i;], found=yes, found=no)
423 LDFLAGS=$hold_ldflags
424 AC_MSG_RESULT($found)
425 if test $found = yes; then
426 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
429 # Sun randomly tweaked the prototypes in <proc_service.h>
431 AC_MSG_CHECKING(if <proc_service.h> is old)
432 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
434 #include <proc_service.h>
436 (struct ps_prochandle*, psaddr_t, const void*, size_t);
437 ],, gdb_cv_proc_service_is_old=no,
438 gdb_cv_proc_service_is_old=yes)
440 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
441 if test $gdb_cv_proc_service_is_old = yes; then
442 AC_DEFINE(PROC_SERVICE_IS_OLD)
449 AC_SUBST(CONFIG_LDFLAGS)
452 dnl Handle optional features that can be enabled.
454 dnl Handle MI sub-directory configury.
456 [ --enable-gdbmi Enable GDB-MI interface],
458 case "${enable_gdbmi}" in
460 "") enable_gdbmi=yes ;;
462 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
466 case ${enable_gdbmi} in
468 if test -d "${srcdir}/mi" ; then
469 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
470 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
471 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
472 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
473 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
474 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
475 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
476 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
477 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
483 [ --enable-tui Enable full-screen terminal user interface],
485 case "${enable_tui}" in
487 "") enable_tui=yes ;;
489 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
493 case ${enable_tui} in
495 if test -d "${srcdir}/tui" ; then
496 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
497 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
498 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
499 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
500 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
501 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
502 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
503 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
504 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
509 AC_ARG_ENABLE(netrom,
510 [ --enable-netrom Enable NetROM support],
511 [case "${enableval}" in
512 yes) enable_netrom=yes ;;
513 no) enable_netrom=no ;;
514 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
517 if test "${enable_netrom}" = "yes"; then
518 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
519 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
523 # Don't add -Wall or -Wunused, they include -Wunused-parameter which
525 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
526 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
527 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
528 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
529 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
530 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
531 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
532 # -Woverloaded-virtual -Winline -Werror"
533 AC_ARG_ENABLE(build-warnings,
534 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
535 [case "${enableval}" in
537 no) build_warnings="-w";;
538 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
539 build_warnings="${build_warnings} ${t}";;
540 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
541 build_warnings="${t} ${build_warnings}";;
542 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
544 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
545 echo "Setting compiler warning flags = $build_warnings" 6>&1
549 if test "x${build_warnings}" != x -a "x$GCC" = xyes
551 AC_MSG_CHECKING(compiler warning flags)
552 # Separate out the -Werror flag as some files just cannot be
553 # compiled with it enabled.
554 for w in ${build_warnings}; do
556 -Werr*) WERROR_CFLAGS=-Werror ;;
557 *) # Check that GCC accepts it
558 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
561 WARN_CFLAGS="${WARN_CFLAGS} $w"
565 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
567 AC_SUBST(WARN_CFLAGS)
568 AC_SUBST(WERROR_CFLAGS)
572 AC_SUBST(MMALLOC_CFLAGS)
576 [ --with-mmalloc Use memory mapped malloc package],
577 [case "${withval}" in
578 yes) want_mmalloc=true ;;
579 no) want_mmalloc=false;;
580 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
581 esac],[want_mmalloc=false])dnl
583 if test x$want_mmalloc = xtrue; then
584 AC_DEFINE(USE_MMALLOC)
585 AC_DEFINE(MMCHECK_FORCE)
586 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
587 MMALLOC='../mmalloc/libmmalloc.a'
590 AC_ARG_WITH(included-regex,
591 [ --with-included-regex Use included regex],
592 [case "${withval}" in
593 yes) want_included_regex=true ;;
594 no) want_included_regex=false;;
595 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
596 esac],[want_included_regex=true])dnl
598 if test $want_included_regex = false; then
599 AC_MSG_CHECKING(for GNU regex)
600 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
601 [AC_TRY_COMPILE([#include <gnu-versions.h>
602 #include <sys/types.h>
604 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
605 #error No valid GNU regex.
608 [gdb_cv_have_gnu_regex=yes],
609 [gdb_cv_have_gnu_regex=no])])
610 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
611 if test $gdb_cv_have_gnu_regex = no; then
612 want_included_regex=true
616 if test x${want_included_regex} = xtrue; then
618 AC_DEFINE(USE_INCLUDED_REGEX)
622 # In the Cygwin environment, we need some additional flags.
623 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
624 [AC_EGREP_CPP(lose, [
625 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
627 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
630 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
631 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
633 go32*-*-* ) SER_HARDWIRE=ser-go32.o ;;
635 AC_SUBST(SER_HARDWIRE)
638 dnl Figure out which term library to use.
639 if test x$gdb_host = xgo32; then
642 if test x$gdb_cv_os_cygwin = xyes; then
643 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
646 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
647 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
648 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
649 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
650 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
651 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
653 if test "x$TERM_LIB" = x
655 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
661 # libreadline needs libuser32.a in a cygwin environment
663 if test x$gdb_cv_os_cygwin = xyes; then
666 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
672 LIBGUI="../libgui/src/libgui.a"
673 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
675 AC_SUBST(GUI_CFLAGS_X)
678 [ --with-cpu=CPU Set the default CPU variant to debug],
680 powerpc-* | powerpcle-* )
681 ## It would be nice to keep this table in sync with the one in
683 case "${with_cpu}" in
684 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
686 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
688 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
689 ## These are all RS6000 variants, as far as GDB is concerned.
699 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
705 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
708 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
713 [ --enable-gdbtk Enable GDBTK GUI front end],
714 [case "${enableval}" in
718 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
721 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
729 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
732 # Default is on for everything but go32 and Cygwin
737 if test -d "${srcdir}/gdbtk" ; then
751 if test "${enable_gdbtk}" = "yes"; then
754 if test -z "${no_tcl}"; then
758 # If $no_tk is nonempty, then we can't do Tk, and there is no
759 # point to doing Tcl.
760 if test -z "${no_tk}"; then
768 # now look for Itcl library stuff
770 CY_AC_PATH_ITCLCONFIG
771 if test -z "${no_itcl}"; then
772 CY_AC_LOAD_ITCLCONFIG
775 itcldir=../itcl/itcl/win/
778 itcldir=../itcl/itcl/unix/
783 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
784 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
788 # now look for Itk library stuff
790 if test -z "${no_itcl}"; then
795 itkdir=../itcl/itk/win/
798 itkdir=../itcl/itk/unix/
802 ITKLIB="${ITK_BUILD_LIB_SPEC}"
803 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
806 # now look for Tix library stuff
808 if test -z "${no_tix}"; then
810 TIXLIB="${TIX_BUILD_LIB_SPEC}"
811 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
814 ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
815 # Tcl/Tk 8.1 require -fwritable strings. I don't
816 # know whether 8.2 will or not, but I bet it will.
817 # I don't have to worry about 7.x since we don't support it.
819 if test "$GCC" = "yes"; then
820 if test "$TCL_VERSION" != "8.0" ; then
821 GDBTK_CFLAGS="-fwritable-strings"
825 # Include some libraries that Tcl and Tk want.
826 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
827 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
828 # Yes, the ordering seems wrong here. But it isn't.
829 # TK_LIBS is the list of libraries that need to be linked
830 # after Tcl/Tk. Note that this isn't put into LIBS. If it
831 # were in LIBS then any link tests after this point would
832 # try to include things like `$(LIBGUI)', which wouldn't work.
833 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
834 CONFIG_SRCS="${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"
835 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
836 CONFIG_INITS="${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"
837 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
838 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
839 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
840 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
842 if test x$gdb_cv_os_cygwin = xyes; then
843 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
844 WIN32LDAPP="-Wl,--subsystem,console"
845 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
861 AC_SUBST(GDBTK_CFLAGS)
866 # Unlike the sim directory, whether a simulator is linked is controlled by
867 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
868 # This code just checks for a few cases where we'd like to ignore those
869 # definitions, even when they're present in the '.mt' file. These cases
870 # are when --disable-sim is specified, or if the simulator directory is
871 # not part of the soruce tree.
874 [ --enable-sim Link gdb with simulator],
875 [echo "enable_sim = $enable_sim";
876 echo "enableval = ${enableval}";
877 case "${enableval}" in
878 yes) ignore_sim=false ;;
879 no) ignore_sim=true ;;
880 *) ignore_sim=false ;;
884 if test ! -d "${srcdir}/../sim"; then
888 if test "${ignore_sim}" = "true"; then
890 IGNORE_SIM_OBS="SIM_OBS="
897 AC_SUBST(IGNORE_SIM_OBS)
899 AC_SUBST(ENABLE_CFLAGS)
902 AC_SUBST(CONFIG_DEPS)
903 AC_SUBST(CONFIG_SRCS)
904 AC_SUBST(CONFIG_INITS)
906 AC_SUBST(CONFIG_CLEAN)
907 AC_SUBST(CONFIG_INSTALL)
908 AC_SUBST(CONFIG_UNINSTALL)
910 # Begin stuff to support --enable-shared
911 AC_ARG_ENABLE(shared,
912 [ --enable-shared Use shared libraries],
913 [case "${enableval}" in
921 # If we have shared libraries, try to set rpath reasonably.
922 if test "${shared}" = "true"; then
925 HLDFLAGS='-Wl,+s,+b,$(libdir)'
927 *-*-irix5* | *-*-irix6*)
928 HLDFLAGS='-Wl,-rpath,$(libdir)'
932 *-*-linux* | *-pc-linux-gnu*)
933 HLDFLAGS='-Wl,-rpath,$(libdir)'
936 HLDFLAGS='-R $(libdir)'
939 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;'
944 # On SunOS, if the linker supports the -rpath option, use it to
945 # prevent ../bfd and ../opcodes from being included in the run time
949 echo 'main () { }' > conftest.c
950 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
951 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
953 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
955 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
957 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
959 elif test "${shared}" = "true"; then
960 HLDFLAGS='-Wl,-rpath=$(libdir)'
962 HLDFLAGS='-Wl,-rpath='
964 rm -f conftest.t conftest.c conftest
969 # End stuff to support --enable-shared
971 # target_subdir is used by the testsuite to find the target libraries.
973 if test "${host}" != "${target}"; then
974 target_subdir="${target_alias}/"
976 AC_SUBST(target_subdir)
979 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
980 if test ! -f ${host_makefile_frag}; then
981 AC_MSG_ERROR("*** Gdb does not support host ${host}")
983 frags="$frags $host_makefile_frag"
985 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
986 if test ! -f ${target_makefile_frag}; then
987 AC_MSG_ERROR("*** Gdb does not support target ${target}")
989 frags="$frags $target_makefile_frag"
991 AC_SUBST_FILE(host_makefile_frag)
992 AC_SUBST_FILE(target_makefile_frag)
997 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
998 ' ${host_makefile_frag}`
1000 targetfile=`sed -n '
1001 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1002 ' ${target_makefile_frag}`
1004 # these really aren't orthogonal true/false values of the same condition,
1005 # but shells are slow enough that I like to reuse the test conditions
1007 if test "${target}" = "${host}"; then
1008 nativefile=`sed -n '
1009 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1010 ' ${host_makefile_frag}`
1012 # GDBserver is only useful in a "native" enviroment
1013 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
1017 SUBDIRS="doc testsuite nlm"
1018 if test "${enable_multi_ice}" = "yes"; then
1019 SUBDIRS="${SUBDIRS} multi-ice"
1024 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1025 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
1026 # corresponding links. But we have to remove the xm.h files and tm.h
1027 # files anyway, e.g. when switching from "configure host" to
1033 if test "${hostfile}" != ""; then
1034 files="${files} config/${gdb_host_cpu}/${hostfile}"
1035 links="${links} xm.h"
1038 if test "${targetfile}" != ""; then
1039 files="${files} config/${gdb_target_cpu}/${targetfile}"
1040 links="${links} tm.h"
1043 if test "${nativefile}" != ""; then
1044 files="${files} config/${gdb_host_cpu}/${nativefile}"
1045 links="${links} nm.h"
1047 # A cross-only configuration.
1048 files="${files} config/nm-empty.h"
1049 links="${links} nm.h"
1053 AC_LINK_FILES($files, $links)
1055 dnl Check for exe extension set on certain hosts (e.g. Win32)
1058 AC_CONFIG_SUBDIRS($configdirs)
1059 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1061 dnl Autoconf doesn't provide a mechanism for modifying definitions
1062 dnl provided by makefile fragments.
1064 if test "${nativefile}" = ""; then
1065 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1066 < Makefile > Makefile.tem
1067 mv -f Makefile.tem Makefile
1071 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1072 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1073 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1074 mv -f Makefile.tmp Makefile
1078 case x$CONFIG_HEADERS in
1079 xconfig.h:config.in)
1084 gdb_host_cpu=$gdb_host_cpu
1085 gdb_target_cpu=$gdb_target_cpu
1086 nativefile=$nativefile