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 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
34 dnl List of object files added by configure.
38 configdirs="doc testsuite"
43 . ${srcdir}/configure.host
45 . ${srcdir}/configure.tgt
52 AC_CHECK_TOOL(RANLIB, ranlib, :)
59 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
64 AC_CHECK_FUNCS(setpgid sbrk select poll)
66 # If we are configured native on Linux, work around problems with sys/procfs.h
67 if test "${target}" = "${host}"; then
70 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
71 AC_DEFINE(sys_quotactl)
76 AC_MSG_CHECKING([for gregset_t type])
77 AC_CACHE_VAL(gdb_cv_have_gregset_t,
78 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
79 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
80 AC_MSG_RESULT($gdb_cv_have_gregset_t)
81 if test $gdb_cv_have_gregset_t = yes; then
82 AC_DEFINE(HAVE_GREGSET_T)
85 AC_MSG_CHECKING([for fpregset_t type])
86 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
87 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
88 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
89 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
90 if test $gdb_cv_have_fpregset_t = yes; then
91 AC_DEFINE(HAVE_FPREGSET_T)
94 dnl See if host has libm. This is usually needed by simulators.
97 dnl See if compiler supports "long long" type.
99 AC_MSG_CHECKING(for long long support in compiler)
100 AC_CACHE_VAL(gdb_cv_c_long_long,
102 extern long long foo;
103 switch (foo & 2) { case 0: return 1; }
105 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
106 AC_MSG_RESULT($gdb_cv_c_long_long)
107 if test $gdb_cv_c_long_long = yes; then
108 AC_DEFINE(CC_HAS_LONG_LONG)
111 dnl See if the compiler and runtime support printing long long
113 AC_MSG_CHECKING(for long long support in printf)
114 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
118 long long l = 0x12345;
119 sprintf (buf, "%llx", l);
120 return (strcmp ("12345", buf));
122 gdb_cv_printf_has_long_long=yes,
123 gdb_cv_printf_has_long_long=no,
124 gdb_cv_printf_has_long_long=no)])
125 if test $gdb_cv_printf_has_long_long = yes; then
126 AC_DEFINE(PRINTF_HAS_LONG_LONG)
128 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
130 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
131 dnl because autoconf complains about cross-compilation issues. However, this
132 dnl code uses the same variables as the macro for compatibility.
134 AC_MSG_CHECKING(for long double support in compiler)
135 AC_CACHE_VAL(ac_cv_c_long_double,
136 [AC_TRY_COMPILE(, [long double foo;],
137 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
138 AC_MSG_RESULT($ac_cv_c_long_double)
139 if test $ac_cv_c_long_double = yes; then
140 AC_DEFINE(HAVE_LONG_DOUBLE)
143 dnl See if the compiler and runtime support printing long doubles
145 AC_MSG_CHECKING(for long double support in printf)
146 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
150 long double f = 3.141592653;
151 sprintf (buf, "%Lg", f);
152 return (strncmp ("3.14159", buf, 7));
154 gdb_cv_printf_has_long_double=yes,
155 gdb_cv_printf_has_long_double=no,
156 gdb_cv_printf_has_long_double=no)])
157 if test $gdb_cv_printf_has_long_double = yes; then
158 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
160 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
164 BFD_NEED_DECLARATION(malloc)
165 BFD_NEED_DECLARATION(realloc)
166 BFD_NEED_DECLARATION(free)
168 dnl See if thread_db library is around for Solaris thread debugging. Note that
169 dnl we must explicitly test for version 1 of the library because version 0
170 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
172 dnl Note that we only want this if we are both native (host == target), and
173 dnl not doing a canadian cross build (build == host).
175 if test ${build} = ${host} -a ${host} = ${target} ; then
178 AC_MSG_CHECKING(for HPUX/OSF thread support)
179 if test -f /usr/include/dce/cma_config.h ; then
180 if test "$GCC" = "yes" ; then
182 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
183 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
185 AC_MSG_RESULT(no (suppressed because you are not using GCC))
192 AC_MSG_CHECKING(for Solaris thread debugging library)
193 if test -f /usr/lib/libthread_db.so.1 ; then
195 AC_DEFINE(HAVE_THREAD_DB_LIB)
196 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
197 AC_CHECK_LIB(dl, dlopen)
198 if test "$GCC" = "yes" ; then
199 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
206 AC_SUBST(CONFIG_LDFLAGS)
209 dnl Handle optional features that can be enabled.
212 AC_ARG_ENABLE(netrom,
214 [case "${enableval}" in
215 yes) enable_netrom=yes ;;
216 no) enable_netrom=no ;;
217 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
220 if test "${enable_netrom}" = "yes"; then
221 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
229 [case "${enableval}" in
230 yes) CONFIG_OBS="${CONFIG_OBS} gmagic.o"
231 ENABLE_CFLAGS=-DGENERAL_MAGIC
234 *) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
239 # start-sanitize-gdbtk
244 [case "${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 ${enableval} given for gdbtk option) ;;
262 # Default is on for everything but go32 and cygwin32
280 if test "${enable_gdbtk}" = "yes"; then
283 if test -z "${no_tcl}"; then
287 # If $no_tk is nonempty, then we can't do Tk, and there is no
288 # point to doing Tcl.
289 if test -z "${no_tk}"; then
296 # Include some libraries that Tcl and Tk want.
297 TCL_LIBS='$(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
298 # Yes, the ordering seems wrong here. But it isn't.
299 # TK_LIBS is the list of libraries that need to be linked
301 LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
302 CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
307 AC_SUBST(ENABLE_GDBTK)
313 AC_SUBST(ENABLE_CFLAGS)
317 # Begin stuff to support --enable-shared
318 AC_ARG_ENABLE(shared,
319 [ --enable-shared use shared libraries],
320 [case "${enableval}" in
328 # If we have shared libraries, try to set rpath reasonably.
329 if test "${shared}" = "true"; then
332 HLDFLAGS='-Wl,+s,+b,$(libdir)'
334 *-*-irix5* | *-*-irix6*)
335 HLDFLAGS='-Wl,-rpath,$(libdir)'
339 *-*-linux* | *-pc-linux-gnu)
340 HLDFLAGS='-Wl,-rpath,$(libdir)'
343 HLDFLAGS='-R $(libdir)'
346 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;'
351 # On SunOS, if the linker supports the -rpath option, use it to
352 # prevent ../bfd and ../opcodes from being included in the run time
356 echo 'main () { }' > conftest.c
357 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
358 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
360 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
362 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
364 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
366 elif test "${shared}" = "true"; then
367 HLDFLAGS='-Wl,-rpath=$(libdir)'
369 HLDFLAGS='-Wl,-rpath='
371 rm -f conftest.t conftest.c conftest
376 # End stuff to support --enable-shared
378 # target_subdir is used by the testsuite to find the target libraries.
380 if test "${host}" != "${target}"; then
381 target_subdir="${target_alias}/"
383 AC_SUBST(target_subdir)
386 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
387 if test ! -f ${host_makefile_frag}; then
388 AC_MSG_ERROR("*** Gdb does not support host ${host}")
390 frags="$frags $host_makefile_frag"
392 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
393 if test ! -f ${target_makefile_frag}; then
394 AC_MSG_ERROR("*** Gdb does not support target ${target}")
396 frags="$frags $target_makefile_frag"
398 AC_SUBST_FILE(host_makefile_frag)
399 AC_SUBST_FILE(target_makefile_frag)
404 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
405 ' ${host_makefile_frag}`
408 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
409 ' ${target_makefile_frag}`
411 # these really aren't orthogonal true/false values of the same condition,
412 # but shells are slow enough that I like to reuse the test conditions
414 if test "${target}" = "${host}"; then
416 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
417 ' ${host_makefile_frag}`
419 # GDBserver is only useful in a "native" enviroment
420 # configdirs=`echo $configdirs | sed 's/gdbserver//'`
424 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
425 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
426 # corresponding links. But we have to remove the xm.h files and tm.h
427 # files anyway, e.g. when switching from "configure host" to
433 if test "${hostfile}" != ""; then
434 files="${files} config/${gdb_host_cpu}/${hostfile}"
435 links="${links} xm.h"
438 if test "${targetfile}" != ""; then
439 files="${files} config/${gdb_target_cpu}/${targetfile}"
440 links="${links} tm.h"
443 if test "${nativefile}" != ""; then
444 files="${files} config/${gdb_host_cpu}/${nativefile}"
445 links="${links} nm.h"
447 # A cross-only configuration.
448 files="${files} config/nm-empty.h"
449 links="${links} nm.h"
451 # start-sanitize-gdbtk
453 # Make it possible to use the GUI without doing a full install
454 if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
455 files="${files} gdbtk.tcl"
456 links="${links} gdbtk.tcl"
460 AC_LINK_FILES($files, $links)
462 AC_CONFIG_SUBDIRS($configdirs)
465 dnl Autoconf doesn't provide a mechanism for modifying definitions
466 dnl provided by makefile fragments.
468 if test "${nativefile}" = ""; then
469 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
470 < Makefile > Makefile.tem
471 mv -f Makefile.tem Makefile
475 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
476 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
477 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
478 mv -f Makefile.tmp Makefile
485 grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
486 echo "source ${srcdir}/.gdbinit" >> .gdbinit
489 case x$CONFIG_HEADERS in
495 gdb_host_cpu=$gdb_host_cpu
496 gdb_target_cpu=$gdb_target_cpu
497 nativefile=$nativefile