1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
3 dnl Free Software Foundation, Inc.
5 dnl This file is part of GDB.
7 dnl This program is free software; you can redistribute it and/or modify
8 dnl it under the terms of the GNU General Public License as published by
9 dnl the Free Software Foundation; either version 2 of the License, or
10 dnl (at your option) any later version.
12 dnl This program is distributed in the hope that it will be useful,
13 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 dnl GNU General Public License for more details.
17 dnl You should have received a copy of the GNU General Public License
18 dnl along with this program; if not, write to the Free Software
19 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 dnl Process this file with autoconf to produce a configure script.
25 AC_CONFIG_HEADER(config.h:config.in)
33 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
36 dnl gdb doesn't use gettext, but bfd does. We call this to ensure we
37 dnl link with the correct libraries.
41 dnl List of object files added by configure.
54 configdirs="doc testsuite"
56 AC_ARG_ENABLE(multi-ice,
57 [ --enable-multi-ice Build the multi-ice-gdb-server],
58 [case "${enableval}" in
59 yes ) enable_multi_ice="yes" ;;
60 no) enable_multi_ice="no" ;;
61 *) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;;
65 if test "${enable_multi_ice}" = "yes"; then
66 configdirs="${configdirs} multi-ice"
72 . ${srcdir}/configure.host
74 . ${srcdir}/configure.tgt
76 targ=${target} ; . ${srcdir}/../bfd/config.bfd
81 dnl use BFD to determine the default architecture and byte order
82 dnl (bfd_vec->byteorder provides the latter).
84 . ${srcdir}/../bfd/config.bfd
86 dnl We only want the first arch, if there is more than one.
87 targ_archs=`echo ${targ_archs} | sed -e 's/ .*//;'`
89 if test x"${targ_archs}" != x ; then
90 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, ${targ_archs})
92 if test x"${targ_defvec}" != x ; then
93 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec})
99 AC_CHECK_TOOL(RANLIB, ranlib, :)
100 AC_CHECK_TOOL(DLLTOOL, dlltool)
101 AC_CHECK_TOOL(WINDRES, windres)
104 dnl MiG is needed for the Hurd.
105 AC_CHECK_TOOL(MIG, mig)
113 dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between <widec.h>
114 dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> doesn't
117 case $host_os in solaris2.7 | solaris2.8) case "$GCC" in yes)
118 AC_DEFINE(_MSE_INT_H)
121 AC_CHECK_HEADERS(ctype.h endian.h link.h thread_db.h proc_service.h \
122 memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
123 string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
124 term.h termio.h termios.h unistd.h wait.h sys/wait.h \
125 wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
126 time.h sys/file.h sys/ioctl.h sys/user.h sys/fault.h sys/syscall.h \
127 dirent.h sys/ndir.h sys/dir.h ndir.h \
134 AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
138 # See if machine/reg.h supports the %fs and %gs i386 segment registers.
139 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
140 AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
141 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
142 gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
143 if test $gdb_cv_struct_reg_r_fs = yes; then
144 AC_DEFINE(HAVE_STRUCT_REG_R_FS)
146 AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
147 [AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
148 gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
149 if test $gdb_cv_struct_reg_r_gs = yes; then
150 AC_DEFINE(HAVE_STRUCT_REG_R_GS)
153 dnl See if ptrace.h provides the PTRACE_GETREGS request.
154 AC_MSG_CHECKING(for PTRACE_GETREGS)
155 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
156 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
158 [gdb_cv_have_ptrace_getregs=yes],
159 [gdb_cv_have_ptrace_getregs=no])])
160 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
161 if test $gdb_cv_have_ptrace_getregs = yes; then
162 AC_DEFINE(HAVE_PTRACE_GETREGS)
165 dnl See if ptrace.h provides the PTRACE_GETFPXREGS request.
166 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
167 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
168 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
169 [PTRACE_GETFPXREGS;],
170 [gdb_cv_have_ptrace_getfpxregs=yes],
171 [gdb_cv_have_ptrace_getfpxregs=no])])
172 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
173 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
174 AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
177 AC_CHECK_LIB(socket, socketpair)
178 AC_CHECK_FUNCS(socketpair)
181 BFD_NEED_DECLARATION(malloc)
182 BFD_NEED_DECLARATION(realloc)
183 BFD_NEED_DECLARATION(free)
184 BFD_NEED_DECLARATION(strerror)
185 BFD_NEED_DECLARATION(strdup)
186 BFD_NEED_DECLARATION(strstr)
189 # The following save_state_t checkery is only necessary for HPUX
190 # versions earlier than 10.20. When those fade from memory, this
191 # could be expunged. --jsm 1999-03-22
193 AC_MSG_CHECKING(for HPUX save_state structure)
194 AC_EGREP_HEADER(save_state_t, machine/save_state.h,
195 gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
196 AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
197 gdb_cv_hpux_sswide=no)
198 if test $gdb_cv_hpux_savestate = yes
200 AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
202 if test $gdb_cv_hpux_sswide = yes
204 AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
206 AC_MSG_RESULT($gdb_cv_hpux_sswide)
209 # If we are configured native on GNU/Linux, work around problems with
211 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
213 if test "${target}" = "${host}"; then
215 i[[3456]]86-*-linux*)
216 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
217 AC_DEFINE(sys_quotactl)
220 AC_DEFINE(NEW_PROC_API)
222 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
223 AC_DEFINE(NEW_PROC_API)
225 *-*-solaris2.[[678]])
226 AC_DEFINE(NEW_PROC_API)
231 if test "$ac_cv_header_sys_procfs_h" = yes; then
232 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
233 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
234 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
235 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
236 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
237 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
238 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
239 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
240 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
241 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
242 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
243 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
244 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
245 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
247 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
248 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
250 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
251 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
252 [AC_TRY_COMPILE([#define _SYSCALL32
253 #include <sys/link.h>], [struct link_map32 l;],
254 gdb_cv_have_struct_link_map32=yes,
255 gdb_cv_have_struct_link_map32=no)])
256 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
257 if test $gdb_cv_have_struct_link_map32 = yes; then
258 AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
261 dnl Check for broken prfpregset_t type
263 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
264 dnl prfpregset_t type (it's a typedef for the pointer to a struct
265 dnl instead of the struct itself). We detect this here, and work
266 dnl around it in lin-thread.c.
268 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
269 AC_MSG_CHECKING(whether prfpregset_t type is broken)
270 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
271 [AC_TRY_RUN([#include <sys/procfs.h>
274 if (sizeof (prfpregset_t) == sizeof (void *))
278 gdb_cv_prfpregset_t_broken=no,
279 gdb_cv_prfpregset_t_broken=yes,
280 gdb_cv_prfpregset_t_broken=yes)])
281 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
282 if test $gdb_cv_prfpregset_t_broken = yes; then
283 AC_DEFINE(PRFPREGSET_T_BROKEN)
287 dnl Check for PIOCSET ioctl entry
289 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
290 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
291 [AC_TRY_COMPILE([#include <unistd.h>
292 #include <sys/types.h>
293 #include <sys/procfs.h>
296 dummy = ioctl(0, PIOCSET, &dummy);
298 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
299 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
300 if test $gdb_cv_have_procfs_piocset = yes; then
301 AC_DEFINE(HAVE_PROCFS_PIOCSET)
305 dnl See if host has libm. This is usually needed by simulators.
306 AC_CHECK_LIB(m, main)
308 dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
310 dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
311 dnl under Solaris 2.6 because it is some funky empty library.
312 dnl So only link in libw if we have to.
313 AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
315 dnl See if compiler supports "long long" type.
317 AC_MSG_CHECKING(for long long support in compiler)
318 AC_CACHE_VAL(gdb_cv_c_long_long,
320 extern long long foo;
321 switch (foo & 2) { case 0: return 1; }
323 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
324 AC_MSG_RESULT($gdb_cv_c_long_long)
325 if test $gdb_cv_c_long_long = yes; then
326 AC_DEFINE(CC_HAS_LONG_LONG)
329 dnl See if the compiler and runtime support printing long long
331 AC_MSG_CHECKING(for long long support in printf)
332 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
337 l = (l << 16) + 0x0123;
338 l = (l << 16) + 0x4567;
339 l = (l << 16) + 0x89ab;
340 l = (l << 16) + 0xcdef;
341 sprintf (buf, "0x%016llx", l);
342 return (strcmp ("0x0123456789abcdef", buf));
344 gdb_cv_printf_has_long_long=yes,
345 gdb_cv_printf_has_long_long=no,
346 gdb_cv_printf_has_long_long=no)])
347 if test $gdb_cv_printf_has_long_long = yes; then
348 AC_DEFINE(PRINTF_HAS_LONG_LONG)
350 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
352 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
353 dnl because autoconf complains about cross-compilation issues. However, this
354 dnl code uses the same variables as the macro for compatibility.
356 AC_MSG_CHECKING(for long double support in compiler)
357 AC_CACHE_VAL(ac_cv_c_long_double,
358 [AC_TRY_COMPILE(, [long double foo;],
359 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
360 AC_MSG_RESULT($ac_cv_c_long_double)
361 if test $ac_cv_c_long_double = yes; then
362 AC_DEFINE(HAVE_LONG_DOUBLE)
365 dnl See if the compiler and runtime support printing long doubles
367 AC_MSG_CHECKING(for long double support in printf)
368 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
372 long double f = 3.141592653;
373 sprintf (buf, "%Lg", f);
374 return (strncmp ("3.14159", buf, 7));
376 gdb_cv_printf_has_long_double=yes,
377 gdb_cv_printf_has_long_double=no,
378 gdb_cv_printf_has_long_double=no)])
379 if test $gdb_cv_printf_has_long_double = yes; then
380 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
382 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
384 dnl See if the compiler and runtime support scanning long doubles
386 AC_MSG_CHECKING(for long double support in scanf)
387 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
390 char *buf = "3.141592653";
392 sscanf (buf, "%Lg", &f);
393 return !(f > 3.14159 && f < 3.14160);
395 gdb_cv_scanf_has_long_double=yes,
396 gdb_cv_scanf_has_long_double=no,
397 gdb_cv_scanf_has_long_double=no)])
398 if test $gdb_cv_scanf_has_long_double = yes; then
399 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
401 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
405 dnl See if thread_db library is around for Solaris thread debugging. Note that
406 dnl we must explicitly test for version 1 of the library because version 0
407 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
409 dnl Note that we only want this if we are both native (host == target), and
410 dnl not doing a canadian cross build (build == host).
412 if test ${build} = ${host} -a ${host} = ${target} ; then
415 AC_MSG_CHECKING(for HPUX/OSF thread support)
416 if test -f /usr/include/dce/cma_config.h ; then
417 if test "$GCC" = "yes" ; then
419 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
420 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} hpux-thread.o"
421 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
423 AC_MSG_RESULT(no (suppressed because you are not using GCC))
430 AC_MSG_CHECKING(for Solaris thread debugging library)
431 if test -f /usr/lib/libthread_db.so.1 ; then
433 AC_DEFINE(HAVE_THREAD_DB_LIB)
434 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} sol-thread.o"
435 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
436 AC_CHECK_LIB(dl, dlopen)
437 if test "$GCC" = "yes" ; then
438 # The GNU linker requires the -export-dynamic option to make
439 # all symbols visible in the dynamic symbol table.
440 hold_ldflags=$LDFLAGS
441 AC_MSG_CHECKING(for the ld -export-dynamic flag)
442 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
443 AC_TRY_LINK(, [int i;], found=yes, found=no)
444 LDFLAGS=$hold_ldflags
445 AC_MSG_RESULT($found)
446 if test $found = yes; then
447 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
450 # Sun randomly tweaked the prototypes in <proc_service.h>
452 AC_MSG_CHECKING(if <proc_service.h> is old)
453 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
455 #include <proc_service.h>
457 (struct ps_prochandle*, psaddr_t, const void*, size_t);
458 ],, gdb_cv_proc_service_is_old=no,
459 gdb_cv_proc_service_is_old=yes)
461 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
462 if test $gdb_cv_proc_service_is_old = yes; then
463 AC_DEFINE(PROC_SERVICE_IS_OLD)
470 AC_SUBST(CONFIG_LDFLAGS)
473 dnl The CLI cannot be disabled yet, but may be in the future
475 dnl Handle CLI sub-directory configury.
476 AC_ARG_ENABLE(gdbcli,
477 [ --enable-gdbcli Enable GDB-CLI interface],
479 case "${enableval}" in
480 yes) enable_gdbcli=yes ;;
481 "") enable_gdbcli=yes ;;
483 AC_MSG_ERROR(The CLI cannot be disabled yet)
486 AC_MSG_ERROR(Bad value for --enable-gdbcli: ${enableval})
491 case ${enable_gdbcli} in
493 if test -d "${srcdir}/cli" ; then
494 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_CLI_OBS)"
495 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_CLI_DEPS)"
496 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_CLI_SRCS)"
497 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_CLI_INITS)"
498 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_CLI_CFLAGS)"
499 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_CLI_ALL)"
500 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_CLI_CLEAN)"
501 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_CLI_INSTALL)"
502 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_CLI_UNINSTALL)"
507 dnl Handle optional features that can be enabled.
509 dnl Handle MI sub-directory configury.
511 [ --enable-gdbmi Enable GDB-MI interface],
513 case "${enable_gdbmi}" in
515 "") enable_gdbmi=yes ;;
517 AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
521 case ${enable_gdbmi} in
523 if test -d "${srcdir}/mi" ; then
524 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
525 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
526 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_MI_SRCS)"
527 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
528 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
529 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
530 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
531 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
532 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
537 # Configure UI_OUT by default (before 5.2 it can be disabled)
538 # It must be configured if gdbmi is configured
541 AC_SUBST(UIOUT_CFLAGS)
544 [ --with-uiout Use new uiout functions intead of *printf's],
545 [case "${withval}" in
546 yes) want_uiout=true ;;
547 no) if test $enable_gdbmi = yes; then
548 AC_MSG_ERROR(uiout is needed for MI and cannot be disabled)
552 *) AC_MSG_ERROR(bad value ${withval} for GDB with-uiout option) ;;
554 [want_uiout=true])dnl
556 if test $want_uiout = true; then
557 UIOUT_CFLAGS="-DUI_OUT=1"
561 [ --enable-tui Enable full-screen terminal user interface],
563 case "${enable_tui}" in
565 "") enable_tui=yes ;;
567 AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
571 case ${enable_tui} in
573 if test -d "${srcdir}/tui" ; then
574 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
575 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
576 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_TUI_SRCS)"
577 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
578 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
579 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
580 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
581 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
582 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
587 AC_ARG_ENABLE(netrom,
588 [ --enable-netrom Enable NetROM support],
589 [case "${enableval}" in
590 yes) enable_netrom=yes ;;
591 no) enable_netrom=no ;;
592 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
595 if test "${enable_netrom}" = "yes"; then
596 CONFIG_LIB_OBS="${CONFIG_LIB_OBS} remote-nrom.o"
597 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
601 # NOTE: Don't add -Wall or -Wunused, they both include
602 # -Wunused-parameter which reports bogus warnings.
603 # NOTE: If you add to this list, remember to update
604 # gdb/doc/gdbint.texinfo.
605 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
606 -Wformat -Wparentheses -Wpointer-arith"
607 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
608 # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
609 # -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
610 # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
611 # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
612 # -Woverloaded-virtual -Winline -Werror"
613 AC_ARG_ENABLE(build-warnings,
614 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
615 [case "${enableval}" in
617 no) build_warnings="-w";;
618 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
619 build_warnings="${build_warnings} ${t}";;
620 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
621 build_warnings="${t} ${build_warnings}";;
622 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
624 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
625 echo "Setting compiler warning flags = $build_warnings" 6>&1
627 AC_ARG_ENABLE(gdb-build-warnings,
628 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
629 [case "${enableval}" in
631 no) build_warnings="-w";;
632 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
633 build_warnings="${build_warnings} ${t}";;
634 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
635 build_warnings="${t} ${build_warnings}";;
636 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
638 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
639 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
643 if test "x${build_warnings}" != x -a "x$GCC" = xyes
645 AC_MSG_CHECKING(compiler warning flags)
646 # Separate out the -Werror flag as some files just cannot be
647 # compiled with it enabled.
648 for w in ${build_warnings}; do
650 -Werr*) WERROR_CFLAGS=-Werror ;;
651 *) # Check that GCC accepts it
652 if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
655 WARN_CFLAGS="${WARN_CFLAGS} $w"
659 AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
661 AC_SUBST(WARN_CFLAGS)
662 AC_SUBST(WERROR_CFLAGS)
666 AC_SUBST(MMALLOC_CFLAGS)
670 [ --with-mmalloc Use memory mapped malloc package],
671 [case "${withval}" in
672 yes) want_mmalloc=true ;;
673 no) want_mmalloc=false;;
674 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
675 esac],[want_mmalloc=false])dnl
677 if test x$want_mmalloc = xtrue; then
678 AC_DEFINE(USE_MMALLOC)
679 AC_DEFINE(MMCHECK_FORCE)
680 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
681 MMALLOC='../mmalloc/libmmalloc.a'
684 AC_ARG_WITH(included-regex,
685 [ --with-included-regex Use included regex],
686 [case "${withval}" in
687 yes) want_included_regex=true ;;
688 no) want_included_regex=false;;
689 *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
690 esac],[want_included_regex=true])dnl
692 if test $want_included_regex = false; then
693 AC_MSG_CHECKING(for GNU regex)
694 AC_CACHE_VAL(gdb_cv_have_gnu_regex,
695 [AC_TRY_COMPILE([#include <gnu-versions.h>
696 #include <sys/types.h>
698 [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
699 #error No valid GNU regex.
702 [gdb_cv_have_gnu_regex=yes],
703 [gdb_cv_have_gnu_regex=no])])
704 AC_MSG_RESULT($gdb_cv_have_gnu_regex)
705 if test $gdb_cv_have_gnu_regex = no; then
706 want_included_regex=true
710 if test x${want_included_regex} = xtrue; then
712 AC_DEFINE(USE_INCLUDED_REGEX)
716 # In the Cygwin environment, we need some additional flags.
717 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
718 [AC_EGREP_CPP(lose, [
719 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
721 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
724 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
725 SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
727 *go32* ) SER_HARDWIRE=ser-go32.o ;;
728 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
730 AC_SUBST(SER_HARDWIRE)
733 dnl Figure out which term library to use.
734 if test x$gdb_host = xgo32; then
737 if test x$gdb_cv_os_cygwin = xyes; then
738 TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
741 AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
742 AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
743 AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
744 AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
745 AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
746 AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
748 if test "x$TERM_LIB" = x
750 AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
756 # libreadline needs libuser32.a in a cygwin environment
758 if test x$gdb_cv_os_cygwin = xyes; then
761 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
767 LIBGUI="../libgui/src/libgui.a"
768 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
770 AC_SUBST(GUI_CFLAGS_X)
773 [ --with-cpu=CPU Set the default CPU variant to debug],
775 powerpc-* | powerpcle-* )
776 ## It would be nice to keep this table in sync with the one in
778 case "${with_cpu}" in
779 ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
781 ## Those are all handled in variants in rs6000-tdep.c, so they're fine.
783 common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
784 ## These are all RS6000 variants, as far as GDB is concerned.
794 AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
800 AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
803 AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
808 [ --enable-gdbtk Enable GDBTK GUI front end],
809 [case "${enableval}" in
813 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
816 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
824 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
827 # Default is on for everything but go32 and Cygwin
832 if test -d "${srcdir}/gdbtk" ; then
846 if test "${enable_gdbtk}" = "yes"; then
849 if test -z "${no_tcl}"; then
853 # If $no_tk is nonempty, then we can't do Tk, and there is no
854 # point to doing Tcl.
855 if test -z "${no_tk}"; then
863 # now look for Itcl library stuff
865 CY_AC_PATH_ITCLCONFIG
866 if test -z "${no_itcl}"; then
867 CY_AC_LOAD_ITCLCONFIG
870 itcldir=../itcl/itcl/win/
873 itcldir=../itcl/itcl/unix/
878 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
879 ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
883 # now look for Itk library stuff
885 if test -z "${no_itcl}"; then
890 itkdir=../itcl/itk/win/
893 itkdir=../itcl/itk/unix/
897 ITKLIB="${ITK_BUILD_LIB_SPEC}"
898 ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
901 # now look for Tix library stuff
903 if test -z "${no_tix}"; then
905 TIXLIB="${TIX_BUILD_LIB_SPEC}"
906 TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
909 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
910 # Tcl/Tk 8.1 require -fwritable strings. I don't
911 # know whether 8.2 will or not, but I bet it will.
912 # I don't have to worry about 7.x since we don't support it.
914 if test "$GCC" = "yes"; then
915 if test "$TCL_VERSION" != "8.0" ; then
916 GDBTK_CFLAGS="-fwritable-strings"
920 # Include some libraries that Tcl and Tk want.
921 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
922 # Yes, the ordering seems wrong here. But it isn't.
923 # TK_LIBS is the list of libraries that need to be linked
924 # after Tcl/Tk. Note that this isn't put into LIBS. If it
925 # were in LIBS then any link tests after this point would
926 # try to include things like `$(LIBGUI)', which wouldn't work.
927 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
929 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
930 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
931 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
932 CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_GDBTK_INITS)"
933 CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
934 CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
935 CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
936 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
938 if test x$gdb_cv_os_cygwin = xyes; then
939 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
940 WIN32LDAPP="-Wl,--subsystem,console"
941 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
957 AC_SUBST(GDBTK_CFLAGS)
962 # Unlike the sim directory, whether a simulator is linked is controlled by
963 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
964 # This code just checks for a few cases where we'd like to ignore those
965 # definitions, even when they're present in the '.mt' file. These cases
966 # are when --disable-sim is specified, or if the simulator directory is
967 # not part of the soruce tree.
970 [ --enable-sim Link gdb with simulator],
971 [echo "enable_sim = $enable_sim";
972 echo "enableval = ${enableval}";
973 case "${enableval}" in
974 yes) ignore_sim=false ;;
975 no) ignore_sim=true ;;
976 *) ignore_sim=false ;;
980 if test ! -d "${srcdir}/../sim"; then
984 if test "${ignore_sim}" = "true"; then
986 IGNORE_SIM_OBS="SIM_OBS="
993 AC_SUBST(IGNORE_SIM_OBS)
995 AC_SUBST(ENABLE_CFLAGS)
998 AC_SUBST(CONFIG_LIB_OBS)
999 AC_SUBST(CONFIG_DEPS)
1000 AC_SUBST(CONFIG_SRCS)
1001 AC_SUBST(CONFIG_INITS)
1002 AC_SUBST(CONFIG_ALL)
1003 AC_SUBST(CONFIG_CLEAN)
1004 AC_SUBST(CONFIG_INSTALL)
1005 AC_SUBST(CONFIG_UNINSTALL)
1007 # Begin stuff to support --enable-shared
1008 AC_ARG_ENABLE(shared,
1009 [ --enable-shared Use shared libraries],
1010 [case "${enableval}" in
1018 # If we have shared libraries, try to set rpath reasonably.
1019 if test "${shared}" = "true"; then
1022 HLDFLAGS='-Wl,+s,+b,$(libdir)'
1024 *-*-irix5* | *-*-irix6*)
1025 HLDFLAGS='-Wl,-rpath,$(libdir)'
1029 *-*-linux* | *-pc-linux-gnu*)
1030 HLDFLAGS='-Wl,-rpath,$(libdir)'
1033 HLDFLAGS='-R $(libdir)'
1036 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;'
1041 # On SunOS, if the linker supports the -rpath option, use it to
1042 # prevent ../bfd and ../opcodes from being included in the run time
1046 echo 'main () { }' > conftest.c
1047 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
1048 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
1050 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
1052 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
1054 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
1056 elif test "${shared}" = "true"; then
1057 HLDFLAGS='-Wl,-rpath=$(libdir)'
1059 HLDFLAGS='-Wl,-rpath='
1061 rm -f conftest.t conftest.c conftest
1066 # End stuff to support --enable-shared
1068 # target_subdir is used by the testsuite to find the target libraries.
1070 if test "${host}" != "${target}"; then
1071 target_subdir="${target_alias}/"
1073 AC_SUBST(target_subdir)
1076 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1077 if test ! -f ${host_makefile_frag}; then
1078 AC_MSG_ERROR("*** Gdb does not support host ${host}")
1080 frags="$frags $host_makefile_frag"
1082 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1083 if test ! -f ${target_makefile_frag}; then
1084 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1086 frags="$frags $target_makefile_frag"
1088 AC_SUBST_FILE(host_makefile_frag)
1089 AC_SUBST_FILE(target_makefile_frag)
1094 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1095 ' ${host_makefile_frag}`
1097 targetfile=`sed -n '
1098 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1099 ' ${target_makefile_frag}`
1101 GDB_MULTI_ARCH=`sed -n '
1102 s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
1103 ' ${target_makefile_frag}`
1105 # these really aren't orthogonal true/false values of the same condition,
1106 # but shells are slow enough that I like to reuse the test conditions
1108 if test "${target}" = "${host}"; then
1109 nativefile=`sed -n '
1110 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1111 ' ${host_makefile_frag}`
1113 # GDBserver is only useful in a "native" enviroment
1114 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
1118 # New targets should just set gdb_multi_arch=yes in configure.tgt.
1119 # Old targets being converted can either do that or set GDB_MULTI_ARCH
1120 # in the target specific makefile frag. Eventually gdb_multi_arch=yes
1121 # will be the default.
1122 if test x"${GDB_MULTI_ARCH}" = x ; then
1123 case "${gdb_multi_arch}" in
1124 yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
1125 no ) GDB_MULTI_ARCH=0 ;;
1126 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
1129 if test x"${GDB_MULTI_ARCH}" != x ; then
1130 AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
1132 # Warn the user when they use an old pratice
1133 case "${GDB_MULTI_ARCH}" in
1135 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
1136 AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
1137 GDB_MULTI_ARCH_PURE )
1138 if test x"${targetfile}" != x ; then
1139 AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
1142 *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
1146 SUBDIRS="doc testsuite nlm"
1147 if test "${enable_multi_ice}" = "yes"; then
1148 SUBDIRS="${SUBDIRS} multi-ice"
1153 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
1154 # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
1162 if test "${hostfile}" != ""; then
1164 GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
1165 files="${files} ${GDB_XM_FILE}"
1166 links="${links} xm.h"
1167 AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
1173 if test "${targetfile}" != ""; then
1175 GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
1176 files="${files} ${GDB_TM_FILE}"
1177 links="${links} tm.h"
1178 AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
1184 if test "${nativefile}" != ""; then
1186 GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
1187 files="${files} ${GDB_NM_FILE}"
1188 links="${links} nm.h"
1189 AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
1195 AC_LINK_FILES($files, $links)
1197 dnl Check for exe extension set on certain hosts (e.g. Win32)
1200 AC_CONFIG_SUBDIRS($configdirs)
1201 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1203 dnl Autoconf doesn't provide a mechanism for modifying definitions
1204 dnl provided by makefile fragments.
1206 if test "${nativefile}" = ""; then
1207 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
1208 < Makefile > Makefile.tem
1209 mv -f Makefile.tem Makefile
1213 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
1214 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
1215 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1216 mv -f Makefile.tmp Makefile
1220 case x$CONFIG_HEADERS in
1221 xconfig.h:config.in)
1226 gdb_host_cpu=$gdb_host_cpu
1227 gdb_target_cpu=$gdb_target_cpu
1228 nativefile=$nativefile