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(lwpid_t)
233 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
235 dnl Check for broken prfpregset_t type
237 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
238 dnl prfpregset_t type (it's a typedef for the pointer to a struct
239 dnl instead of the struct itself). We detect this here, and work
240 dnl around it in lin-thread.c.
242 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
243 AC_MSG_CHECKING(whether prfpregset_t type is broken)
244 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
245 [AC_TRY_RUN([#include <sys/procfs.h>
248 if (sizeof (prfpregset_t) == sizeof (void *))
252 gdb_cv_prfpregset_t_broken=no,
253 gdb_cv_prfpregset_t_broken=yes,
254 gdb_cv_prfpregset_t_broken=yes)])
255 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
256 if test $gdb_cv_prfpregset_t_broken = yes; then
257 AC_DEFINE(PRFPREGSET_T_BROKEN)
261 dnl Check for PIOCSET ioctl entry
263 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
264 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
265 [AC_TRY_COMPILE([#include <unistd.h>
266 #include <sys/types.h>
267 #include <sys/procfs.h>
270 dummy = ioctl(0, PIOCSET, &dummy);
272 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
273 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
274 if test $gdb_cv_have_procfs_piocset = yes; then
275 AC_DEFINE(HAVE_PROCFS_PIOCSET)
279 dnl See if host has libm. This is usually needed by simulators.
280 AC_CHECK_LIB(m, main)
282 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
284 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
285 dnl under Solaris 2.6 because it is some funky empty library.
286 dnl So only link in libw if we have to.
287 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
289 dnl See if compiler supports "long long" type.
291 AC_MSG_CHECKING(for long long support in compiler)
292 AC_CACHE_VAL(gdb_cv_c_long_long,
294 extern long long foo;
295 switch (foo & 2) { case 0: return 1; }
297 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
298 AC_MSG_RESULT($gdb_cv_c_long_long)
299 if test $gdb_cv_c_long_long = yes; then
300 AC_DEFINE(CC_HAS_LONG_LONG)
303 dnl See if the compiler and runtime support printing long long
305 AC_MSG_CHECKING(for long long support in printf)
306 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
311 l = (l << 16) + 0x0123;
312 l = (l << 16) + 0x4567;
313 l = (l << 16) + 0x89ab;
314 l = (l << 16) + 0xcdef;
315 sprintf (buf, "0x%016llx", l);
316 return (strcmp ("0x0123456789abcdef", buf));
318 gdb_cv_printf_has_long_long=yes,
319 gdb_cv_printf_has_long_long=no,
320 gdb_cv_printf_has_long_long=no)])
321 if test $gdb_cv_printf_has_long_long = yes; then
322 AC_DEFINE(PRINTF_HAS_LONG_LONG)
324 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
326 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
327 dnl because autoconf complains about cross-compilation issues. However, this
328 dnl code uses the same variables as the macro for compatibility.
330 AC_MSG_CHECKING(for long double support in compiler)
331 AC_CACHE_VAL(ac_cv_c_long_double,
332 [AC_TRY_COMPILE(, [long double foo;],
333 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
334 AC_MSG_RESULT($ac_cv_c_long_double)
335 if test $ac_cv_c_long_double = yes; then
336 AC_DEFINE(HAVE_LONG_DOUBLE)
339 dnl See if the compiler and runtime support printing long doubles
341 AC_MSG_CHECKING(for long double support in printf)
342 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
346 long double f = 3.141592653;
347 sprintf (buf, "%Lg", f);
348 return (strncmp ("3.14159", buf, 7));
350 gdb_cv_printf_has_long_double=yes,
351 gdb_cv_printf_has_long_double=no,
352 gdb_cv_printf_has_long_double=no)])
353 if test $gdb_cv_printf_has_long_double = yes; then
354 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
356 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
358 dnl See if the compiler and runtime support scanning long doubles
360 AC_MSG_CHECKING(for long double support in scanf)
361 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
364 char *buf = "3.141592653";
366 sscanf (buf, "%Lg", &f);
367 return !(f > 3.14159 && f < 3.14160);
369 gdb_cv_scanf_has_long_double=yes,
370 gdb_cv_scanf_has_long_double=no,
371 gdb_cv_scanf_has_long_double=no)])
372 if test $gdb_cv_scanf_has_long_double = yes; then
373 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
375 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
379 dnl See if thread_db library is around for Solaris thread debugging. Note that
380 dnl we must explicitly test for version 1 of the library because version 0
381 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
383 dnl Note that we only want this if we are both native (host == target), and
384 dnl not doing a canadian cross build (build == host).
386 if test ${build} = ${host} -a ${host} = ${target} ; then
389 AC_MSG_CHECKING(for HPUX/OSF thread support)
390 if test -f /usr/include/dce/cma_config.h ; then
391 if test "$GCC" = "yes" ; then
393 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
394 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
395 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
397 AC_MSG_RESULT(no (suppressed because you are not using GCC))
404 AC_MSG_CHECKING(for Solaris thread debugging library)
405 if test -f /usr/lib/libthread_db.so.1 ; then
407 AC_DEFINE(HAVE_THREAD_DB_LIB)
408 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
409 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
410 AC_CHECK_LIB(dl, dlopen)
411 if test "$GCC" = "yes" ; then
412 # The GNU linker requires the -export-dynamic option to make
413 # all symbols visible in the dynamic symbol table.
414 hold_ldflags=$LDFLAGS
415 AC_MSG_CHECKING(for the ld -export-dynamic flag)
416 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
417 AC_TRY_LINK(, [int i;], found=yes, found=no)
418 LDFLAGS=$hold_ldflags
419 AC_MSG_RESULT($found)
420 if test $found = yes; then
421 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
424 # Sun randomly tweaked the prototypes in <proc_service.h>
426 AC_MSG_CHECKING(if <proc_service.h> is old)
427 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
429 #include <proc_service.h>
431 (struct ps_prochandle*, psaddr_t, const void*, size_t);
432 ],, gdb_cv_proc_service_is_old=no,
433 gdb_cv_proc_service_is_old=yes)
435 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
436 if test $gdb_cv_proc_service_is_old = yes; then
437 AC_DEFINE(PROC_SERVICE_IS_OLD)
444 AC_SUBST(CONFIG_LDFLAGS)
447 dnl Handle optional features that can be enabled.
449 dnl Handle MI sub-directory configury.
451 [ --enable-gdbmi Enable GDB-MI interface],
453 case "${enable_gdbmi}" in
455 "") enable_gdbmi=yes ;;
457 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
461 case ${enable_gdbmi} in
463 if test -d "${srcdir}/mi" ; then
464 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
465 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
466 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
467 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
468 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
469 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
470 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
471 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
472 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
478 [ --enable-tui Enable full-screen terminal user interface],
480 case "${enable_tui}" in
482 "") enable_tui=yes ;;
484 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
488 case ${enable_tui} in
490 if test -d "${srcdir}/tui" ; then
491 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
492 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
493 CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
494 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
495 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
496 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
497 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
498 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
499 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
504 AC_ARG_ENABLE(netrom,
505 [ --enable-netrom Enable NetROM support],
506 [case "${enableval}" in
507 yes) enable_netrom=yes ;;
508 no) enable_netrom=no ;;
509 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
512 if test "${enable_netrom}" = "yes"; then
513 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
514 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
518 # Don't add -Wall or -Wunused, they include -Wunused-parameter which
520 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
521 -Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
522 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
523 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
524 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
525 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
526 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
527 # -Woverloaded-virtual -Winline -Werror"
528 AC_ARG_ENABLE(build-warnings,
529 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
530 [case "${enableval}" in
532 no) build_warnings="-w";;
533 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
534 build_warnings="${build_warnings} ${t}";;
535 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
536 build_warnings="${t} ${build_warnings}";;
537 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
539 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
540 echo "Setting compiler warning flags = $build_warnings" 6>&1
544 if test "x${build_warnings}" != x -a "x$GCC" = xyes
546 AC_MSG_CHECKING(compiler warning flags)
547 # Separate out the -Werror flag as some files just cannot be
548 # compiled with it enabled.
549 for w in ${build_warnings}; do
551 -Werr*) WERROR_CFLAGS=-Werror ;;
552 *) # Check that GCC accepts it
553 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
556 WARN_CFLAGS="${WARN_CFLAGS} $w"
560 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
562 AC_SUBST(WARN_CFLAGS)
563 AC_SUBST(WERROR_CFLAGS)
567 AC_SUBST(MMALLOC_CFLAGS)
571 [ --with-mmalloc Use memory mapped malloc package],
572 [case "${withval}" in
573 yes) want_mmalloc=true ;;
574 no) want_mmalloc=false;;
575 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
576 esac],[want_mmalloc=false])dnl
578 if test x$want_mmalloc = xtrue; then
579 AC_DEFINE(USE_MMALLOC)
580 AC_DEFINE(MMCHECK_FORCE)
581 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
582 MMALLOC='../mmalloc/libmmalloc.a'
585 AC_ARG_WITH(included-regex,
586 [ --with-included-regex Use included regex],
587 [case "${withval}" in
588 yes) want_included_regex=true ;;
589 no) want_included_regex=false;;
590 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
591 esac],[want_included_regex=true])dnl
593 if test $want_included_regex = false; then
594 AC_MSG_CHECKING(for GNU regex)
595 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
596 [AC_TRY_COMPILE([#include <gnu-versions.h>
597 #include <sys/types.h>
599 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
600 #error No valid GNU regex.
603 [gdb_cv_have_gnu_regex=yes],
604 [gdb_cv_have_gnu_regex=no])])
605 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
606 if test $gdb_cv_have_gnu_regex = no; then
607 want_included_regex=true
611 if test x${want_included_regex} = xtrue; then
613 AC_DEFINE(USE_INCLUDED_REGEX)
617 # In the Cygwin environment, we need some additional flags.
618 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
619 [AC_EGREP_CPP(lose, [
620 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
622 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
625 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
626 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
628 *go32* ) SER_HARDWIRE=ser-go32.o ;;
629 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
631 AC_SUBST(SER_HARDWIRE)
634 dnl Figure out which term library to use.
635 if test x$gdb_host = xgo32; then
638 if test x$gdb_cv_os_cygwin = xyes; then
639 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
642 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
643 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
644 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
645 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
646 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
647 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
649 if test "x$TERM_LIB" = x
651 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
657 # libreadline needs libuser32.a in a cygwin environment
659 if test x$gdb_cv_os_cygwin = xyes; then
662 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
668 LIBGUI="../libgui/src/libgui.a"
669 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
671 AC_SUBST(GUI_CFLAGS_X)
674 [ --with-cpu=CPU Set the default CPU variant to debug],
676 powerpc-* | powerpcle-* )
677 ## It would be nice to keep this table in sync with the one in
679 case "${with_cpu}" in
680 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
682 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
684 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
685 ## These are all RS6000 variants, as far as GDB is concerned.
695 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
701 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
704 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
709 [ --enable-gdbtk Enable GDBTK GUI front end],
710 [case "${enableval}" in
714 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
717 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
725 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
728 # Default is on for everything but go32 and Cygwin
733 if test -d "${srcdir}/gdbtk" ; then
747 if test "${enable_gdbtk}" = "yes"; then
750 if test -z "${no_tcl}"; then
754 # If $no_tk is nonempty, then we can't do Tk, and there is no
755 # point to doing Tcl.
756 if test -z "${no_tk}"; then
764 # now look for Itcl library stuff
766 CY_AC_PATH_ITCLCONFIG
767 if test -z "${no_itcl}"; then
768 CY_AC_LOAD_ITCLCONFIG
771 itcldir=../itcl/itcl/win/
774 itcldir=../itcl/itcl/unix/
779 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
780 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
784 # now look for Itk library stuff
786 if test -z "${no_itcl}"; then
791 itkdir=../itcl/itk/win/
794 itkdir=../itcl/itk/unix/
798 ITKLIB="${ITK_BUILD_LIB_SPEC}"
799 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
802 # now look for Tix library stuff
804 if test -z "${no_tix}"; then
806 TIXLIB="${TIX_BUILD_LIB_SPEC}"
807 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
810 ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
811 # Tcl/Tk 8.1 require -fwritable strings. I don't
812 # know whether 8.2 will or not, but I bet it will.
813 # I don't have to worry about 7.x since we don't support it.
815 if test "$GCC" = "yes"; then
816 if test "$TCL_VERSION" != "8.0" ; then
817 GDBTK_CFLAGS="-fwritable-strings"
821 # Include some libraries that Tcl and Tk want.
822 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
823 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
824 # Yes, the ordering seems wrong here. But it isn't.
825 # TK_LIBS is the list of libraries that need to be linked
826 # after Tcl/Tk. Note that this isn't put into LIBS. If it
827 # were in LIBS then any link tests after this point would
828 # try to include things like `$(LIBGUI)', which wouldn't work.
829 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
830 CONFIG_SRCS="${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"
831 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
832 CONFIG_INITS="${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"
833 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
834 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
835 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
836 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
838 if test x$gdb_cv_os_cygwin = xyes; then
839 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
840 WIN32LDAPP="-Wl,--subsystem,console"
841 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
857 AC_SUBST(GDBTK_CFLAGS)
862 # Unlike the sim directory, whether a simulator is linked is controlled by
863 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
864 # This code just checks for a few cases where we'd like to ignore those
865 # definitions, even when they're present in the '.mt' file. These cases
866 # are when --disable-sim is specified, or if the simulator directory is
867 # not part of the soruce tree.
870 [ --enable-sim Link gdb with simulator],
871 [echo "enable_sim = $enable_sim";
872 echo "enableval = ${enableval}";
873 case "${enableval}" in
874 yes) ignore_sim=false ;;
875 no) ignore_sim=true ;;
876 *) ignore_sim=false ;;
880 if test ! -d "${srcdir}/../sim"; then
884 if test "${ignore_sim}" = "true"; then
886 IGNORE_SIM_OBS="SIM_OBS="
893 AC_SUBST(IGNORE_SIM_OBS)
895 AC_SUBST(ENABLE_CFLAGS)
898 AC_SUBST(CONFIG_DEPS)
899 AC_SUBST(CONFIG_SRCS)
900 AC_SUBST(CONFIG_INITS)
902 AC_SUBST(CONFIG_CLEAN)
903 AC_SUBST(CONFIG_INSTALL)
904 AC_SUBST(CONFIG_UNINSTALL)
906 # Begin stuff to support --enable-shared
907 AC_ARG_ENABLE(shared,
908 [ --enable-shared Use shared libraries],
909 [case "${enableval}" in
917 # If we have shared libraries, try to set rpath reasonably.
918 if test "${shared}" = "true"; then
921 HLDFLAGS='-Wl,+s,+b,$(libdir)'
923 *-*-irix5* | *-*-irix6*)
924 HLDFLAGS='-Wl,-rpath,$(libdir)'
928 *-*-linux* | *-pc-linux-gnu*)
929 HLDFLAGS='-Wl,-rpath,$(libdir)'
932 HLDFLAGS='-R $(libdir)'
935 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;'
940 # On SunOS, if the linker supports the -rpath option, use it to
941 # prevent ../bfd and ../opcodes from being included in the run time
945 echo 'main () { }' > conftest.c
946 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
947 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
949 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
951 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
953 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
955 elif test "${shared}" = "true"; then
956 HLDFLAGS='-Wl,-rpath=$(libdir)'
958 HLDFLAGS='-Wl,-rpath='
960 rm -f conftest.t conftest.c conftest
965 # End stuff to support --enable-shared
967 # target_subdir is used by the testsuite to find the target libraries.
969 if test "${host}" != "${target}"; then
970 target_subdir="${target_alias}/"
972 AC_SUBST(target_subdir)
975 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
976 if test ! -f ${host_makefile_frag}; then
977 AC_MSG_ERROR("*** Gdb does not support host ${host}")
979 frags="$frags $host_makefile_frag"
981 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
982 if test ! -f ${target_makefile_frag}; then
983 AC_MSG_ERROR("*** Gdb does not support target ${target}")
985 frags="$frags $target_makefile_frag"
987 AC_SUBST_FILE(host_makefile_frag)
988 AC_SUBST_FILE(target_makefile_frag)
993 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
994 ' ${host_makefile_frag}`
997 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
998 ' ${target_makefile_frag}`
1000 GDB_MULTI_ARCH=`sed -n '
1001 s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\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 $configdirs | sed 's/gdbserver//'`
1017 # New targets should just set gdb_multi_arch=yes in configure.tgt.
1018 # Old targets being converted can either do that or set GDB_MULTI_ARCH
1019 # in the target specific makefile frag. Eventually gdb_multi_arch=yes
1020 # will be the default.
1021 if test x"${GDB_MULTI_ARCH}" = x ; then
1022 case "${gdb_multi_arch}" in
1023 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1024 no ) GDB_MULTI_ARCH=0 ;;
1025 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1028 if test x"${GDB_MULTI_ARCH}" != x ; then
1029 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1031 # Warn the user when they use an old pratice
1032 case "${GDB_MULTI_ARCH}" in
1034 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1035 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1036 GDB_MULTI_ARCH_PURE )
1037 if test x"${targetfile}" != x ; then
1038 AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
1041 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1045 SUBDIRS="doc testsuite nlm"
1046 if test "${enable_multi_ice}" = "yes"; then
1047 SUBDIRS="${SUBDIRS} multi-ice"
1052 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1053 # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1061 if test "${hostfile}" != ""; then
1063 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1064 files="${files} ${GDB_XM_FILE}"
1065 links="${links} xm.h"
1066 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1072 if test "${targetfile}" != ""; then
1074 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1075 files="${files} ${GDB_TM_FILE}"
1076 links="${links} tm.h"
1077 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1083 if test "${nativefile}" != ""; then
1085 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1086 files="${files} ${GDB_NM_FILE}"
1087 links="${links} nm.h"
1088 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1094 AC_LINK_FILES($files, $links)
1096 dnl Check for exe extension set on certain hosts (e.g. Win32)
1099 AC_CONFIG_SUBDIRS($configdirs)
1100 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1102 dnl Autoconf doesn't provide a mechanism for modifying definitions
1103 dnl provided by makefile fragments.
1105 if test "${nativefile}" = ""; then
1106 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1107 < Makefile > Makefile.tem
1108 mv -f Makefile.tem Makefile
1112 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1113 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1114 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1115 mv -f Makefile.tmp Makefile
1119 case x$CONFIG_HEADERS in
1120 xconfig.h:config.in)
1125 gdb_host_cpu=$gdb_host_cpu
1126 gdb_target_cpu=$gdb_target_cpu
1127 nativefile=$nativefile