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 List of object files added by configure.
42 configdirs="doc testsuite"
47 . ${srcdir}/configure.host
49 . ${srcdir}/configure.tgt
56 AC_CHECK_TOOL(RANLIB, ranlib, :)
65 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
70 AC_CHECK_FUNCS(setpgid sbrk select poll sigaction)
72 # If we are configured native on Linux, work around problems with sys/procfs.h
73 if test "${target}" = "${host}"; then
76 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
77 AC_DEFINE(sys_quotactl)
82 AC_MSG_CHECKING([for gregset_t type])
83 AC_CACHE_VAL(gdb_cv_have_gregset_t,
84 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
85 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
86 AC_MSG_RESULT($gdb_cv_have_gregset_t)
87 if test $gdb_cv_have_gregset_t = yes; then
88 AC_DEFINE(HAVE_GREGSET_T)
91 AC_MSG_CHECKING([for fpregset_t type])
92 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
93 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
94 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
95 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
96 if test $gdb_cv_have_fpregset_t = yes; then
97 AC_DEFINE(HAVE_FPREGSET_T)
100 dnl See if host has libm. This is usually needed by simulators.
101 AC_CHECK_LIB(m, main)
103 dnl See if compiler supports "long long" type.
105 AC_MSG_CHECKING(for long long support in compiler)
106 AC_CACHE_VAL(gdb_cv_c_long_long,
108 extern long long foo;
109 switch (foo & 2) { case 0: return 1; }
111 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
112 AC_MSG_RESULT($gdb_cv_c_long_long)
113 if test $gdb_cv_c_long_long = yes; then
114 AC_DEFINE(CC_HAS_LONG_LONG)
117 dnl See if the compiler and runtime support printing long long
119 AC_MSG_CHECKING(for long long support in printf)
120 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
125 l = (l << 16) + 0x0123;
126 l = (l << 16) + 0x4567;
127 l = (l << 16) + 0x89ab;
128 l = (l << 16) + 0xcdef;
129 sprintf (buf, "0x%016llx", l);
130 return (strcmp ("0x0123456789abcdef", buf));
132 gdb_cv_printf_has_long_long=yes,
133 gdb_cv_printf_has_long_long=no,
134 gdb_cv_printf_has_long_long=no)])
135 if test $gdb_cv_printf_has_long_long = yes; then
136 AC_DEFINE(PRINTF_HAS_LONG_LONG)
138 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
140 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
141 dnl because autoconf complains about cross-compilation issues. However, this
142 dnl code uses the same variables as the macro for compatibility.
144 AC_MSG_CHECKING(for long double support in compiler)
145 AC_CACHE_VAL(ac_cv_c_long_double,
146 [AC_TRY_COMPILE(, [long double foo;],
147 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
148 AC_MSG_RESULT($ac_cv_c_long_double)
149 if test $ac_cv_c_long_double = yes; then
150 AC_DEFINE(HAVE_LONG_DOUBLE)
153 dnl See if the compiler and runtime support printing long doubles
155 AC_MSG_CHECKING(for long double support in printf)
156 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
160 long double f = 3.141592653;
161 sprintf (buf, "%Lg", f);
162 return (strncmp ("3.14159", buf, 7));
164 gdb_cv_printf_has_long_double=yes,
165 gdb_cv_printf_has_long_double=no,
166 gdb_cv_printf_has_long_double=no)])
167 if test $gdb_cv_printf_has_long_double = yes; then
168 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
170 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
172 dnl See if the compiler and runtime support scanning long doubles
174 AC_MSG_CHECKING(for long double support in scanf)
175 AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
178 char *buf = "3.141592653";
180 sscanf (buf, "%Lg", &f);
181 return !(f > 3.14159 && f < 3.14160);
183 gdb_cv_scanf_has_long_double=yes,
184 gdb_cv_scanf_has_long_double=no,
185 gdb_cv_scanf_has_long_double=no)])
186 if test $gdb_cv_scanf_has_long_double = yes; then
187 AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
189 AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
193 BFD_NEED_DECLARATION(malloc)
194 BFD_NEED_DECLARATION(realloc)
195 BFD_NEED_DECLARATION(free)
197 dnl See if thread_db library is around for Solaris thread debugging. Note that
198 dnl we must explicitly test for version 1 of the library because version 0
199 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
201 dnl Note that we only want this if we are both native (host == target), and
202 dnl not doing a canadian cross build (build == host).
204 if test ${build} = ${host} -a ${host} = ${target} ; then
207 AC_MSG_CHECKING(for HPUX/OSF thread support)
208 if test -f /usr/include/dce/cma_config.h ; then
209 if test "$GCC" = "yes" ; then
211 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
212 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
214 AC_MSG_RESULT(no (suppressed because you are not using GCC))
221 AC_MSG_CHECKING(for Solaris thread debugging library)
222 if test -f /usr/lib/libthread_db.so.1 ; then
224 AC_DEFINE(HAVE_THREAD_DB_LIB)
225 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
226 AC_CHECK_LIB(dl, dlopen)
227 if test "$GCC" = "yes" ; then
228 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
235 AC_SUBST(CONFIG_LDFLAGS)
238 dnl Handle optional features that can be enabled.
241 AC_ARG_ENABLE(netrom,
243 [case "${enableval}" in
244 yes) enable_netrom=yes ;;
245 no) enable_netrom=no ;;
246 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
249 if test "${enable_netrom}" = "yes"; then
250 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
253 # start-sanitize-gdbtk
255 AC_ARG_ENABLE(ide, [ --enable-ide Enable IDE support])
256 if test "$enable_ide" = yes; then
268 [case "${enableval}" in
272 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
275 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
283 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
286 # Default is on for everything but go32 and cygwin32
295 # In the cygwin32 environment, we need some additional flags.
296 AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32,
297 [AC_EGREP_CPP(lose, [
300 #endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])])
307 if test x$gdb_cv_os_cygwin32 = xyes; then
308 if test x$enable_ide = xyes; then
309 WIN32LIBS="-ladvapi32"
315 if test "${enable_gdbtk}" = "yes"; then
318 if test -z "${no_tcl}"; then
322 # If $no_tk is nonempty, then we can't do Tk, and there is no
323 # point to doing Tcl.
324 if test -z "${no_tk}"; then
331 # now look for tix library stuff
333 . ${ac_cv_c_tclconfig}/tclConfig.sh
336 tixdir=../tix/win/tcl8.0
339 tixdir=../tix/unix/tk8.0
342 if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
343 TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
344 TIX_DEPS="${tixdir}/libtix${TIXVERSION}.a"
346 TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
347 TIX_DEPS="${tixdir}/libtix`echo ${TIXVERSION} | tr -d .`.a"
352 # Include some libraries that Tcl and Tk want.
353 if test "${enable_ide}" = "yes"; then
354 TCL_LIBS='$(LIBIDE) $(LIBGUI) $(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
355 CONFIG_DEPS='$(LIBIDE) $(LIBGUI) $(IDE_DEPS) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
357 TCL_LIBS='$(LIBGUI) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
358 CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
360 # Yes, the ordering seems wrong here. But it isn't.
361 # TK_LIBS is the list of libraries that need to be linked
363 LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
364 CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
366 if test x$gdb_cv_os_cygwin32 = xyes; then
367 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32 -luser32"
368 WIN32LDAPP="-Wl,--subsystem,windows"
374 AC_SUBST(ENABLE_GDBTK)
382 AC_SUBST(ENABLE_CFLAGS)
385 AC_SUBST(CONFIG_DEPS)
387 # Begin stuff to support --enable-shared
388 AC_ARG_ENABLE(shared,
389 [ --enable-shared use shared libraries],
390 [case "${enableval}" in
398 # If we have shared libraries, try to set rpath reasonably.
399 if test "${shared}" = "true"; then
402 HLDFLAGS='-Wl,+s,+b,$(libdir)'
404 *-*-irix5* | *-*-irix6*)
405 HLDFLAGS='-Wl,-rpath,$(libdir)'
409 *-*-linux* | *-pc-linux-gnu)
410 HLDFLAGS='-Wl,-rpath,$(libdir)'
413 HLDFLAGS='-R $(libdir)'
416 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;'
421 # On SunOS, if the linker supports the -rpath option, use it to
422 # prevent ../bfd and ../opcodes from being included in the run time
426 echo 'main () { }' > conftest.c
427 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
428 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
430 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
432 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
434 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
436 elif test "${shared}" = "true"; then
437 HLDFLAGS='-Wl,-rpath=$(libdir)'
439 HLDFLAGS='-Wl,-rpath='
441 rm -f conftest.t conftest.c conftest
446 # End stuff to support --enable-shared
448 # target_subdir is used by the testsuite to find the target libraries.
450 if test "${host}" != "${target}"; then
451 target_subdir="${target_alias}/"
453 AC_SUBST(target_subdir)
456 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
457 if test ! -f ${host_makefile_frag}; then
458 AC_MSG_ERROR("*** Gdb does not support host ${host}")
460 frags="$frags $host_makefile_frag"
462 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
463 if test ! -f ${target_makefile_frag}; then
464 AC_MSG_ERROR("*** Gdb does not support target ${target}")
466 frags="$frags $target_makefile_frag"
468 AC_SUBST_FILE(host_makefile_frag)
469 AC_SUBST_FILE(target_makefile_frag)
474 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
475 ' ${host_makefile_frag}`
478 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
479 ' ${target_makefile_frag}`
481 # these really aren't orthogonal true/false values of the same condition,
482 # but shells are slow enough that I like to reuse the test conditions
484 if test "${target}" = "${host}"; then
486 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
487 ' ${host_makefile_frag}`
489 # GDBserver is only useful in a "native" enviroment
490 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
494 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
495 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
496 # corresponding links. But we have to remove the xm.h files and tm.h
497 # files anyway, e.g. when switching from "configure host" to
503 if test "${hostfile}" != ""; then
504 files="${files} config/${gdb_host_cpu}/${hostfile}"
505 links="${links} xm.h"
508 if test "${targetfile}" != ""; then
509 files="${files} config/${gdb_target_cpu}/${targetfile}"
510 links="${links} tm.h"
513 if test "${nativefile}" != ""; then
514 files="${files} config/${gdb_host_cpu}/${nativefile}"
515 links="${links} nm.h"
517 # A cross-only configuration.
518 files="${files} config/nm-empty.h"
519 links="${links} nm.h"
521 # start-sanitize-gdbtk
523 # Make it possible to use the GUI without doing a full install
524 if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then
525 if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then
526 echo linking $srcdir/gdbtcl to gdbtcl
527 $LN_S $srcdir/gdbtcl gdbtcl
529 echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl. You will need to do a
530 echo " " make install before you are able to run the GUI.
535 AC_LINK_FILES($files, $links)
537 dnl Check for exe extension set on certain hosts (e.g. Win32)
540 AC_CONFIG_SUBDIRS($configdirs)
541 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
543 dnl Autoconf doesn't provide a mechanism for modifying definitions
544 dnl provided by makefile fragments.
546 if test "${nativefile}" = ""; then
547 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
548 < Makefile > Makefile.tem
549 mv -f Makefile.tem Makefile
553 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
554 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
555 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
556 mv -f Makefile.tmp Makefile
559 case x$CONFIG_HEADERS in
565 gdb_host_cpu=$gdb_host_cpu
566 gdb_target_cpu=$gdb_target_cpu
567 nativefile=$nativefile