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.
41 configdirs="doc testsuite"
46 . ${srcdir}/configure.host
48 . ${srcdir}/configure.tgt
55 AC_CHECK_TOOL(RANLIB, ranlib, :)
64 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
69 AC_CHECK_FUNCS(setpgid sbrk select poll)
71 # If we are configured native on Linux, work around problems with sys/procfs.h
72 if test "${target}" = "${host}"; then
75 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
76 AC_DEFINE(sys_quotactl)
81 AC_MSG_CHECKING([for gregset_t type])
82 AC_CACHE_VAL(gdb_cv_have_gregset_t,
83 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
84 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
85 AC_MSG_RESULT($gdb_cv_have_gregset_t)
86 if test $gdb_cv_have_gregset_t = yes; then
87 AC_DEFINE(HAVE_GREGSET_T)
90 AC_MSG_CHECKING([for fpregset_t type])
91 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
92 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
93 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
94 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
95 if test $gdb_cv_have_fpregset_t = yes; then
96 AC_DEFINE(HAVE_FPREGSET_T)
99 dnl See if host has libm. This is usually needed by simulators.
100 AC_CHECK_LIB(m, main)
102 dnl See if compiler supports "long long" type.
104 AC_MSG_CHECKING(for long long support in compiler)
105 AC_CACHE_VAL(gdb_cv_c_long_long,
107 extern long long foo;
108 switch (foo & 2) { case 0: return 1; }
110 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
111 AC_MSG_RESULT($gdb_cv_c_long_long)
112 if test $gdb_cv_c_long_long = yes; then
113 AC_DEFINE(CC_HAS_LONG_LONG)
116 dnl See if the compiler and runtime support printing long long
118 AC_MSG_CHECKING(for long long support in printf)
119 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
123 long long l = 0x12345;
124 sprintf (buf, "%llx", l);
125 return (strcmp ("12345", buf));
127 gdb_cv_printf_has_long_long=yes,
128 gdb_cv_printf_has_long_long=no,
129 gdb_cv_printf_has_long_long=no)])
130 if test $gdb_cv_printf_has_long_long = yes; then
131 AC_DEFINE(PRINTF_HAS_LONG_LONG)
133 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
135 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
136 dnl because autoconf complains about cross-compilation issues. However, this
137 dnl code uses the same variables as the macro for compatibility.
139 AC_MSG_CHECKING(for long double support in compiler)
140 AC_CACHE_VAL(ac_cv_c_long_double,
141 [AC_TRY_COMPILE(, [long double foo;],
142 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
143 AC_MSG_RESULT($ac_cv_c_long_double)
144 if test $ac_cv_c_long_double = yes; then
145 AC_DEFINE(HAVE_LONG_DOUBLE)
148 dnl See if the compiler and runtime support printing long doubles
150 AC_MSG_CHECKING(for long double support in printf)
151 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
155 long double f = 3.141592653;
156 sprintf (buf, "%Lg", f);
157 return (strncmp ("3.14159", buf, 7));
159 gdb_cv_printf_has_long_double=yes,
160 gdb_cv_printf_has_long_double=no,
161 gdb_cv_printf_has_long_double=no)])
162 if test $gdb_cv_printf_has_long_double = yes; then
163 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
165 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
169 BFD_NEED_DECLARATION(malloc)
170 BFD_NEED_DECLARATION(realloc)
171 BFD_NEED_DECLARATION(free)
173 dnl See if thread_db library is around for Solaris thread debugging. Note that
174 dnl we must explicitly test for version 1 of the library because version 0
175 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
177 dnl Note that we only want this if we are both native (host == target), and
178 dnl not doing a canadian cross build (build == host).
180 if test ${build} = ${host} -a ${host} = ${target} ; then
183 AC_MSG_CHECKING(for HPUX/OSF thread support)
184 if test -f /usr/include/dce/cma_config.h ; then
185 if test "$GCC" = "yes" ; then
187 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
188 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
190 AC_MSG_RESULT(no (suppressed because you are not using GCC))
197 AC_MSG_CHECKING(for Solaris thread debugging library)
198 if test -f /usr/lib/libthread_db.so.1 ; then
200 AC_DEFINE(HAVE_THREAD_DB_LIB)
201 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
202 AC_CHECK_LIB(dl, dlopen)
203 if test "$GCC" = "yes" ; then
204 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
211 AC_SUBST(CONFIG_LDFLAGS)
214 dnl Handle optional features that can be enabled.
217 AC_ARG_ENABLE(netrom,
219 [case "${enableval}" in
220 yes) enable_netrom=yes ;;
221 no) enable_netrom=no ;;
222 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
225 if test "${enable_netrom}" = "yes"; then
226 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
229 # start-sanitize-gdbtk
231 AC_ARG_ENABLE(ide, [ --enable-ide Enable IDE support])
232 if test "$enable_ide" = yes; then
244 [case "${enableval}" in
248 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
251 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
259 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
262 # Default is on for everything but go32 and cygwin32
271 # In the cygwin32 environment, we need some additional flags.
272 AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32,
273 [AC_EGREP_CPP(lose, [
276 #endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])])
283 if test x$gdb_cv_os_cygwin32 = xyes; then
284 if test x$enable_ide = xyes; then
285 WIN32LIBS="-ladvapi32"
291 if test "${enable_gdbtk}" = "yes"; then
294 if test -z "${no_tcl}"; then
298 # If $no_tk is nonempty, then we can't do Tk, and there is no
299 # point to doing Tcl.
300 if test -z "${no_tk}"; then
307 # now look for tix library stuff
309 . ${ac_cv_c_tclconfig}/tclConfig.sh
312 tixdir=../tix/win/tcl8.0
315 tixdir=../tix/unix/tk8.0
318 if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
319 TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
321 TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
326 # Include some libraries that Tcl and Tk want.
327 if test "${enable_ide}" = "yes"; then
328 TCL_LIBS='$(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
330 TCL_LIBS='$(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
332 # Yes, the ordering seems wrong here. But it isn't.
333 # TK_LIBS is the list of libraries that need to be linked
335 LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
336 CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
338 if test x$gdb_cv_os_cygwin32 = xyes; then
339 WIN32LIBS="${WIN32LIBS} -luser32"
340 WIN32LDAPP="-Wl,--subsystem,windows"
346 AC_SUBST(ENABLE_GDBTK)
353 AC_SUBST(ENABLE_CFLAGS)
357 # Begin stuff to support --enable-shared
358 AC_ARG_ENABLE(shared,
359 [ --enable-shared use shared libraries],
360 [case "${enableval}" in
368 # If we have shared libraries, try to set rpath reasonably.
369 if test "${shared}" = "true"; then
372 HLDFLAGS='-Wl,+s,+b,$(libdir)'
374 *-*-irix5* | *-*-irix6*)
375 HLDFLAGS='-Wl,-rpath,$(libdir)'
379 *-*-linux* | *-pc-linux-gnu)
380 HLDFLAGS='-Wl,-rpath,$(libdir)'
383 HLDFLAGS='-R $(libdir)'
386 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;'
391 # On SunOS, if the linker supports the -rpath option, use it to
392 # prevent ../bfd and ../opcodes from being included in the run time
396 echo 'main () { }' > conftest.c
397 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
398 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
400 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
402 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
404 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
406 elif test "${shared}" = "true"; then
407 HLDFLAGS='-Wl,-rpath=$(libdir)'
409 HLDFLAGS='-Wl,-rpath='
411 rm -f conftest.t conftest.c conftest
416 # End stuff to support --enable-shared
418 # target_subdir is used by the testsuite to find the target libraries.
420 if test "${host}" != "${target}"; then
421 target_subdir="${target_alias}/"
423 AC_SUBST(target_subdir)
426 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
427 if test ! -f ${host_makefile_frag}; then
428 AC_MSG_ERROR("*** Gdb does not support host ${host}")
430 frags="$frags $host_makefile_frag"
432 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
433 if test ! -f ${target_makefile_frag}; then
434 AC_MSG_ERROR("*** Gdb does not support target ${target}")
436 frags="$frags $target_makefile_frag"
438 AC_SUBST_FILE(host_makefile_frag)
439 AC_SUBST_FILE(target_makefile_frag)
444 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
445 ' ${host_makefile_frag}`
448 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
449 ' ${target_makefile_frag}`
451 # these really aren't orthogonal true/false values of the same condition,
452 # but shells are slow enough that I like to reuse the test conditions
454 if test "${target}" = "${host}"; then
456 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
457 ' ${host_makefile_frag}`
459 # GDBserver is only useful in a "native" enviroment
460 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
464 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
465 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
466 # corresponding links. But we have to remove the xm.h files and tm.h
467 # files anyway, e.g. when switching from "configure host" to
473 if test "${hostfile}" != ""; then
474 files="${files} config/${gdb_host_cpu}/${hostfile}"
475 links="${links} xm.h"
478 if test "${targetfile}" != ""; then
479 files="${files} config/${gdb_target_cpu}/${targetfile}"
480 links="${links} tm.h"
483 if test "${nativefile}" != ""; then
484 files="${files} config/${gdb_host_cpu}/${nativefile}"
485 links="${links} nm.h"
487 # A cross-only configuration.
488 files="${files} config/nm-empty.h"
489 links="${links} nm.h"
491 # start-sanitize-gdbtk
493 # Make it possible to use the GUI without doing a full install
494 if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then
495 if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then
496 echo linking $srcdir/gdbtcl to gdbtcl
497 $LN_S $srcdir/gdbtcl gdbtcl
499 echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl. You will need to do a
500 echo " " make install before you are able to run the GUI.
505 AC_LINK_FILES($files, $links)
507 dnl Check for exe extension set on certain hosts (e.g. Win32)
510 AC_CONFIG_SUBDIRS($configdirs)
511 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
513 dnl Autoconf doesn't provide a mechanism for modifying definitions
514 dnl provided by makefile fragments.
516 if test "${nativefile}" = ""; then
517 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
518 < Makefile > Makefile.tem
519 mv -f Makefile.tem Makefile
523 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
524 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
525 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
526 mv -f Makefile.tmp Makefile
529 case x$CONFIG_HEADERS in
535 gdb_host_cpu=$gdb_host_cpu
536 gdb_target_cpu=$gdb_target_cpu
537 nativefile=$nativefile