1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright 1995, 1996 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)
31 DLLTOOL=${DLLTOOL-dlltool}
34 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
37 dnl gdb doesn't use gettext, but bfd does. We call this to ensure we
38 dnl link with the correct libraries.
42 dnl List of object files added by configure.
48 configdirs="doc testsuite"
53 . ${srcdir}/configure.host
55 . ${srcdir}/configure.tgt
62 AC_CHECK_TOOL(RANLIB, ranlib, :)
71 AC_CHECK_HEADERS(ctype.h curses.h endian.h libintl.h limits.h link.h \
72 memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
73 string.h strings.h sys/procfs.h sys/ptrace.h sys/reg.h \
74 term.h termio.h termios.h unistd.h wait.h sys/wait.h \
81 AC_CHECK_FUNCS(setpgid sbrk select poll sigaction isascii bzero bcopy memcpy btowc)
84 # If we are configured native on GNU/Linux, work around problems with sys/procfs.h
85 if test "${target}" = "${host}"; then
88 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
89 AC_DEFINE(sys_quotactl)
94 AC_MSG_CHECKING([for gregset_t type])
95 AC_CACHE_VAL(gdb_cv_have_gregset_t,
96 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
97 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
98 AC_MSG_RESULT($gdb_cv_have_gregset_t)
99 if test $gdb_cv_have_gregset_t = yes; then
100 AC_DEFINE(HAVE_GREGSET_T)
103 AC_MSG_CHECKING([for fpregset_t type])
104 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
105 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
106 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
107 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
108 if test $gdb_cv_have_fpregset_t = yes; then
109 AC_DEFINE(HAVE_FPREGSET_T)
112 dnl See if host has libm. This is usually needed by simulators.
113 AC_CHECK_LIB(m, main)
115 dnl See if compiler supports "long long" type.
117 AC_MSG_CHECKING(for long long support in compiler)
118 AC_CACHE_VAL(gdb_cv_c_long_long,
120 extern long long foo;
121 switch (foo & 2) { case 0: return 1; }
123 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
124 AC_MSG_RESULT($gdb_cv_c_long_long)
125 if test $gdb_cv_c_long_long = yes; then
126 AC_DEFINE(CC_HAS_LONG_LONG)
129 dnl See if the compiler and runtime support printing long long
131 AC_MSG_CHECKING(for long long support in printf)
132 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
137 l = (l << 16) + 0x0123;
138 l = (l << 16) + 0x4567;
139 l = (l << 16) + 0x89ab;
140 l = (l << 16) + 0xcdef;
141 sprintf (buf, "0x%016llx", l);
142 return (strcmp ("0x0123456789abcdef", buf));
144 gdb_cv_printf_has_long_long=yes,
145 gdb_cv_printf_has_long_long=no,
146 gdb_cv_printf_has_long_long=no)])
147 if test $gdb_cv_printf_has_long_long = yes; then
148 AC_DEFINE(PRINTF_HAS_LONG_LONG)
150 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
152 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
153 dnl because autoconf complains about cross-compilation issues. However, this
154 dnl code uses the same variables as the macro for compatibility.
156 AC_MSG_CHECKING(for long double support in compiler)
157 AC_CACHE_VAL(ac_cv_c_long_double,
158 [AC_TRY_COMPILE(, [long double foo;],
159 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
160 AC_MSG_RESULT($ac_cv_c_long_double)
161 if test $ac_cv_c_long_double = yes; then
162 AC_DEFINE(HAVE_LONG_DOUBLE)
165 dnl See if the compiler and runtime support printing long doubles
167 AC_MSG_CHECKING(for long double support in printf)
168 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
172 long double f = 3.141592653;
173 sprintf (buf, "%Lg", f);
174 return (strncmp ("3.14159", buf, 7));
176 gdb_cv_printf_has_long_double=yes,
177 gdb_cv_printf_has_long_double=no,
178 gdb_cv_printf_has_long_double=no)])
179 if test $gdb_cv_printf_has_long_double = yes; then
180 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
182 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
184 dnl See if the compiler and runtime support scanning long doubles
186 AC_MSG_CHECKING(for long double support in scanf)
187 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
190 char *buf = "3.141592653";
192 sscanf (buf, "%Lg", &f);
193 return !(f > 3.14159 && f < 3.14160);
195 gdb_cv_scanf_has_long_double=yes,
196 gdb_cv_scanf_has_long_double=no,
197 gdb_cv_scanf_has_long_double=no)])
198 if test $gdb_cv_scanf_has_long_double = yes; then
199 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
201 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
205 BFD_NEED_DECLARATION(malloc)
206 BFD_NEED_DECLARATION(realloc)
207 BFD_NEED_DECLARATION(free)
209 BFD_NEED_DECLARATION(strerror)
211 dnl See if thread_db library is around for Solaris thread debugging. Note that
212 dnl we must explicitly test for version 1 of the library because version 0
213 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
215 dnl Note that we only want this if we are both native (host == target), and
216 dnl not doing a canadian cross build (build == host).
218 if test ${build} = ${host} -a ${host} = ${target} ; then
221 AC_MSG_CHECKING(for HPUX/OSF thread support)
222 if test -f /usr/include/dce/cma_config.h ; then
223 if test "$GCC" = "yes" ; then
225 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
226 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
227 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
229 AC_MSG_RESULT(no (suppressed because you are not using GCC))
236 AC_MSG_CHECKING(for Solaris thread debugging library)
237 if test -f /usr/lib/libthread_db.so.1 ; then
239 AC_DEFINE(HAVE_THREAD_DB_LIB)
240 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
241 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
242 AC_CHECK_LIB(dl, dlopen)
243 if test "$GCC" = "yes" ; then
244 # The GNU linker requires the -export-dynamic option to make
245 # all symbols visible in the dynamic symbol table.
246 hold_ldflags=$LDFLAGS
247 AC_MSG_CHECKING(for the ld -export-dynamic flag)
248 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
249 AC_TRY_LINK(, [int i;], found=yes, found=no)
250 LDFLAGS=$hold_ldflags
251 AC_MSG_RESULT($found)
252 if test $found = yes; then
253 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
261 AC_SUBST(CONFIG_LDFLAGS)
264 dnl Handle optional features that can be enabled.
267 AC_ARG_ENABLE(netrom,
269 [case "${enableval}" in
270 yes) enable_netrom=yes ;;
271 no) enable_netrom=no ;;
272 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
275 if test "${enable_netrom}" = "yes"; then
276 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
277 CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
282 AC_SUBST(MMALLOC_CFLAGS)
286 [ --with-mmalloc use memory mapped malloc package],
287 [case "${withval}" in
288 yes) want_mmalloc=true ;;
289 no) want_mmalloc=false;;
290 *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
291 esac],[want_mmalloc=false])dnl
293 if test x$want_mmalloc = xtrue; then
294 AC_DEFINE(USE_MMALLOC)
295 AC_DEFINE(MMCHECK_FORCE)
296 MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
297 MMALLOC='../mmalloc/libmmalloc.a'
300 # start-sanitize-gdbtk
302 AC_ARG_ENABLE(ide, [ --enable-ide Enable IDE support])
303 if test "$enable_ide" = yes; then
311 AC_ARG_WITH(foundry-libs,
312 [ --with-foundry-libs=directory use the Foundry SDK in directory],
313 [FOUNDRY_LIB_BASE=${withval}])
314 AC_SUBST(FOUNDRY_LIB_BASE)
317 # This is the Foundry SDK
319 # These variables are used to determine where the Foundry libs and
320 # header files are located.
322 if test "$FOUNDRY_LIB_BASE" != ""; then
323 LIBGUI="${FOUNDRY_LIB_BASE}/lib/libgui.a"
324 GUI_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include"
325 if test x$enable_ide = xyes; then
326 IDE_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include -DIDE"
327 IDE_X="-L${FOUNDRY_LIB_BASE}/lib -lilu-Tk -lilu-c -lilu"
329 IDE_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include"
331 LIBIDETCL="${FOUNDRY_LIB_BASE}/lib/libidetcl.a"
332 LIBIDE="${FOUNDRY_LIB_BASE}/lib/libide.a"
333 IDE_DEPS="${FOUNDRY_LIB_BASE}/lib/libilu-Tk.a ${FOUNDRY_LIB_BASE}/lib/libilu-c.a ${FOUNDRY_LIB_BASE}/lib/libilu.a"
335 LIBGUI="../libgui/src/libgui.a"
336 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
337 if test x$enable_ide = xyes; then
338 IDE_CFLAGS_X="-I${srcdir}/../libidetcl/src -I${srcdir}/../libide/src -DIDE -I${srcdir}/../ilu/runtime/mainloop"
339 IDE_X="-L../ilu/runtime/mainloop -lilu-Tk -L../ilu/runtime/c -lilu-c -L../ilu/runtime/kernel -lilu"
341 IDE_CFLAGS_X="-I${srcdir}/../libidetcl/src -I${srcdir}/../libide/src"
343 LIBIDETCL="../libidetcl/src/libidetcl.a"
344 LIBIDE="../libide/src/libide.a"
345 IDE_DEPS="../ilu/runtime/mainloop/libilu-Tk.a ../ilu/runtime/c/libilu-c.a ../ilu/runtime/kernel/libilu.a"
348 AC_SUBST(GUI_CFLAGS_X)
349 AC_SUBST(IDE_CFLAGS_X)
359 [case "${enableval}" in
363 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
366 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
374 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
377 # Default is on for everything but go32 and cygwin32
386 # In the cygwin32 environment, we need some additional flags.
387 AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32,
388 [AC_EGREP_CPP(lose, [
391 #endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])])
398 WINDRES=${WINDRES-windres}
401 if test x$gdb_cv_os_cygwin32 = xyes; then
402 if test x$enable_ide = xyes; then
403 WIN32LIBS="-ladvapi32"
410 if test "${enable_gdbtk}" = "yes"; then
413 if test -z "${no_tcl}"; then
417 # If $no_tk is nonempty, then we can't do Tk, and there is no
418 # point to doing Tcl.
419 if test -z "${no_tk}"; then
426 # now look for tix library stuff
428 . ${ac_cv_c_tclconfig}/tclConfig.sh
431 tixdir=../tix/win/tcl8.0
434 tixdir=../tix/unix/tk8.0
437 if test "${TCL_SHARED_BUILD}" = "1"; then
438 TIX_LIB_EXT="${TCL_SHLIB_SUFFIX}"
440 # Can't win them all: SunOS 4 (others?) appends a version
441 # number after the ".so"
444 TIX_LIB_EXT="${TIX_LIB_EXT}.1.0" ;;
451 if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
452 TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
453 TIX_DEPS="${tixdir}/libtix${TIXVERSION}${TIX_LIB_EXT}"
455 TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
456 TIX_DEPS="${tixdir}/libtix`echo ${TIXVERSION} | tr -d .`${TIX_LIB_EXT}"
460 ENABLE_CFLAGS="${ENABLE_CFLAGS} -DGDBTK"
462 # Include some libraries that Tcl and Tk want.
463 if test "${enable_ide}" = "yes"; then
464 TCL_LIBS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
465 CONFIG_DEPS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE_DEPS) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
467 TCL_LIBS='$(LIBGUI) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
468 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
470 # Yes, the ordering seems wrong here. But it isn't.
471 # TK_LIBS is the list of libraries that need to be linked
472 # after Tcl/Tk. Note that this isn't put into LIBS. If it
473 # were in LIBS then any link tests after this point would
474 # try to include things like `$(LIBGUI)', which wouldn't work.
475 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
476 CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o"
478 if test x$gdb_cv_os_cygwin32 = xyes; then
479 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32 -luser32"
480 WIN32LDAPP="-Wl,--subsystem,console"
481 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
487 AC_SUBST(ENABLE_GDBTK)
498 # Enable GPU2 library for MIPS simulator
499 AC_ARG_WITH(sim-gpu2,
500 [ --with-sim-gpu2=path Use GPU2 library under given directory],
503 if test -d "${withval}"
505 LIBS="${LIBS} -L${withval}/lib -lgpu2 -L${x_libraries} -lX11 -lXext"
507 AC_MSG_WARN([Directory ${withval} does not exist.])
509 *) AC_MSG_WARN([--with-sim-gpu2 option invalid for target ${target}])
512 # Enable target accurate FP library
513 AC_ARG_WITH(sim-funit,
514 [ --with-sim-funit=path Use target FP lib under given directory],
517 if test -d "${withval}"
519 LIBS="${LIBS} -L${withval}/lib -lfunit"
521 AC_MSG_WARN([Directory ${withval} does not exist.])
523 *) AC_MSG_WARN([--with-sim-funit option invalid for target ${target}])
527 dnl Solaris puts wctype in /usr/lib/libw.a
528 AC_CHECK_LIB(w, wctype, [LIBS="$LIBS -lw"])
530 AC_SUBST(ENABLE_CFLAGS)
533 AC_SUBST(CONFIG_DEPS)
534 AC_SUBST(CONFIG_SRCS)
536 # Begin stuff to support --enable-shared
537 AC_ARG_ENABLE(shared,
538 [ --enable-shared use shared libraries],
539 [case "${enableval}" in
547 # If we have shared libraries, try to set rpath reasonably.
548 if test "${shared}" = "true"; then
551 HLDFLAGS='-Wl,+s,+b,$(libdir)'
553 *-*-irix5* | *-*-irix6*)
554 HLDFLAGS='-Wl,-rpath,$(libdir)'
558 *-*-linux* | *-pc-linux-gnu)
559 HLDFLAGS='-Wl,-rpath,$(libdir)'
562 HLDFLAGS='-R $(libdir)'
565 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;'
570 # On SunOS, if the linker supports the -rpath option, use it to
571 # prevent ../bfd and ../opcodes from being included in the run time
575 echo 'main () { }' > conftest.c
576 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
577 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
579 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
581 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
583 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
585 elif test "${shared}" = "true"; then
586 HLDFLAGS='-Wl,-rpath=$(libdir)'
588 HLDFLAGS='-Wl,-rpath='
590 rm -f conftest.t conftest.c conftest
595 # End stuff to support --enable-shared
597 # target_subdir is used by the testsuite to find the target libraries.
599 if test "${host}" != "${target}"; then
600 target_subdir="${target_alias}/"
602 AC_SUBST(target_subdir)
605 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
606 if test ! -f ${host_makefile_frag}; then
607 AC_MSG_ERROR("*** Gdb does not support host ${host}")
609 frags="$frags $host_makefile_frag"
611 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
612 if test ! -f ${target_makefile_frag}; then
613 AC_MSG_ERROR("*** Gdb does not support target ${target}")
615 frags="$frags $target_makefile_frag"
617 AC_SUBST_FILE(host_makefile_frag)
618 AC_SUBST_FILE(target_makefile_frag)
623 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
624 ' ${host_makefile_frag}`
627 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
628 ' ${target_makefile_frag}`
630 # these really aren't orthogonal true/false values of the same condition,
631 # but shells are slow enough that I like to reuse the test conditions
633 if test "${target}" = "${host}"; then
635 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
636 ' ${host_makefile_frag}`
638 # GDBserver is only useful in a "native" enviroment
639 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
643 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
644 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
645 # corresponding links. But we have to remove the xm.h files and tm.h
646 # files anyway, e.g. when switching from "configure host" to
652 if test "${hostfile}" != ""; then
653 files="${files} config/${gdb_host_cpu}/${hostfile}"
654 links="${links} xm.h"
657 if test "${targetfile}" != ""; then
658 files="${files} config/${gdb_target_cpu}/${targetfile}"
659 links="${links} tm.h"
662 if test "${nativefile}" != ""; then
663 files="${files} config/${gdb_host_cpu}/${nativefile}"
664 links="${links} nm.h"
666 # A cross-only configuration.
667 files="${files} config/nm-empty.h"
668 links="${links} nm.h"
670 # start-sanitize-gdbtk
672 # Make it possible to use the GUI without doing a full install
673 if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then
674 if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then
675 echo linking $srcdir/gdbtcl to gdbtcl
676 $LN_S $srcdir/gdbtcl gdbtcl
678 echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl. You will need to do a
679 echo " " make install before you are able to run the GUI.
684 AC_LINK_FILES($files, $links)
686 dnl Check for exe extension set on certain hosts (e.g. Win32)
689 AC_CONFIG_SUBDIRS($configdirs)
690 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
692 dnl Autoconf doesn't provide a mechanism for modifying definitions
693 dnl provided by makefile fragments.
695 if test "${nativefile}" = ""; then
696 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
697 < Makefile > Makefile.tem
698 mv -f Makefile.tem Makefile
702 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
703 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
704 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
705 mv -f Makefile.tmp Makefile
708 case x$CONFIG_HEADERS in
714 gdb_host_cpu=$gdb_host_cpu
715 gdb_target_cpu=$gdb_target_cpu
716 nativefile=$nativefile