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)
35 AC_CHECK_TOOL(RANLIB, ranlib, :)
39 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
43 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h)
48 AC_CHECK_FUNCS(setpgid sbrk select poll)
50 # If we are configured native on Linux, work around problems with sys/procfs.h
51 if test "${target}" = "${host}"; then
54 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
55 AC_DEFINE(sys_quotactl)
60 AC_MSG_CHECKING([for gregset_t type])
61 AC_CACHE_VAL(gdb_cv_have_gregset_t,
62 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
63 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
64 AC_MSG_RESULT($gdb_cv_have_gregset_t)
65 if test $gdb_cv_have_gregset_t = yes; then
66 AC_DEFINE(HAVE_GREGSET_T)
69 AC_MSG_CHECKING([for fpregset_t type])
70 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
71 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
72 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
73 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
74 if test $gdb_cv_have_fpregset_t = yes; then
75 AC_DEFINE(HAVE_FPREGSET_T)
78 dnl See if compiler supports "long long" type.
80 AC_MSG_CHECKING(for long long support in compiler)
81 AC_CACHE_VAL(gdb_cv_c_long_long,
84 switch (foo & 2) { case 0: return 1; }
86 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
87 AC_MSG_RESULT($gdb_cv_c_long_long)
88 if test $gdb_cv_c_long_long = yes; then
89 AC_DEFINE(CC_HAS_LONG_LONG)
92 dnl See if the compiler and runtime support printing long long
94 AC_MSG_CHECKING(for long long support in printf)
95 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
99 long long l = 0x12345;
100 sprintf (buf, "%llx", l);
101 return (strcmp ("12345", buf));
103 gdb_cv_printf_has_long_long=yes,
104 gdb_cv_printf_has_long_long=no,
105 gdb_cv_printf_has_long_long=no)])
106 if test $gdb_cv_printf_has_long_long = yes; then
107 AC_DEFINE(PRINTF_HAS_LONG_LONG)
109 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
111 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
112 dnl because autoconf complains about cross-compilation issues. However, this
113 dnl code uses the same variables as the macro for compatibility.
115 AC_MSG_CHECKING(for long double support in compiler)
116 AC_CACHE_VAL(ac_cv_c_long_double,
117 [AC_TRY_COMPILE(, [long double foo;],
118 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
119 AC_MSG_RESULT($ac_cv_c_long_double)
120 if test $ac_cv_c_long_double = yes; then
121 AC_DEFINE(HAVE_LONG_DOUBLE)
124 dnl See if the compiler and runtime support printing long doubles
126 AC_MSG_CHECKING(for long double support in printf)
127 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
131 long double f = 3.141592653;
132 sprintf (buf, "%Lg", f);
133 return (strncmp ("3.14159", buf, 7));
135 gdb_cv_printf_has_long_double=yes,
136 gdb_cv_printf_has_long_double=no,
137 gdb_cv_printf_has_long_double=no)])
138 if test $gdb_cv_printf_has_long_double = yes; then
139 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
141 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
145 BFD_NEED_DECLARATION(malloc)
146 BFD_NEED_DECLARATION(realloc)
147 BFD_NEED_DECLARATION(free)
149 dnl See if thread_db library is around for Solaris thread debugging. Note that
150 dnl we must explicitly test for version 1 of the library because version 0
151 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
153 dnl Note that we only want this if we are both native (host == target), and
154 dnl not doing a canadian cross build (build == host).
156 if test ${build} = ${host} -a ${host} = ${target} ; then
157 AC_MSG_CHECKING(for Solaris thread debugging library)
158 if test -f /usr/lib/libthread_db.so.1 ; then
160 THREAD_DB_OBS=sol-thread.o
161 AC_DEFINE(HAVE_THREAD_DB_LIB)
162 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
168 AC_MSG_CHECKING(for HPUX/OSF thread support)
169 if test -f /usr/include/dce/cma_config.h ; then
171 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
172 THREAD_DB_OBS=hpux-thread.o
178 AC_SUBST(THREAD_DB_OBS)
179 AC_SUBST(CONFIG_LDFLAGS)
182 dnl Handle optional features that can be enabled.
187 AC_ARG_ENABLE(netrom,
189 [case "${enableval}" in
190 yes) enable_netrom=yes ;;
191 no) enable_netrom=no ;;
192 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
195 if test "${enable_netrom}" = "yes"; then
196 ENABLE_OBS="${ENABLE_OBS} remote-nrom.o"
204 [case "${enableval}" in
205 yes) ENABLE_OBS="${ENABLE_OBS} gmagic.o"
206 ENABLE_CFLAGS=-DGENERAL_MAGIC
209 *) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
214 AC_ARG_ENABLE(sim-powerpc,
215 [ --enable-sim-powerpc ],
216 [case "${enableval}" in
217 yes) powerpc_sim=yes ;;
218 no) powerpc_sim=no ;;
219 *) AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;;
220 esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi])
222 # start-sanitize-gdbtk
227 [case "${enableval}" in
231 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
233 *cygwin32* | *windows*)
234 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
242 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
245 # Default is on for everything but go32 and cygwin32
247 *go32* | *cygwin32* | *windows*)
254 if test "${enable_gdbtk}" = "yes"; then
257 if test -z "${no_tcl}"; then
261 # If $no_tk is nonempty, then we can't do Tk, and there is no
262 # point to doing Tcl.
263 if test -z "${no_tk}"; then
268 # Include some libraries that Tcl and Tk want.
269 LIBS="$LIBS $TK_LIBS"
273 TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)'
274 ENABLE_CLIBS="${ENABLE_CLIBS} ${TCL_LIBS}"
275 ENABLE_OBS="${ENABLE_OBS} gdbtk.o"
280 AC_SUBST(ENABLE_GDBTK)
286 AC_SUBST(ENABLE_CFLAGS)
287 AC_SUBST(ENABLE_CLIBS)
290 # Begin stuff to support --enable-shared
291 AC_ARG_ENABLE(shared,
292 [ --enable-shared use shared libraries],
293 [case "${enableval}" in
301 # If we have shared libraries, try to set rpath reasonably.
302 if test "${shared}" = "true"; then
305 HLDFLAGS='-Wl,+s,+b,$(libdir)'
307 *-*-irix5* | *-*-irix6*)
308 HLDFLAGS='-Wl,-rpath,$(libdir)'
313 HLDFLAGS='-Wl,-rpath,$(libdir)'
316 HLDFLAGS='-R $(libdir)'
319 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;'
324 # On SunOS, if the linker supports the -rpath option, use it to
325 # prevent ../bfd and ../opcodes from being included in the run time
329 echo 'main () { }' > conftest.c
330 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
331 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
333 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
335 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
337 elif test "${shared}" = "true"; then
338 HLDFLAGS='-Wl,-rpath=$(libdir)'
340 HLDFLAGS='-Wl,-rpath='
342 rm -f conftest.t conftest.c conftest
347 # End stuff to support --enable-shared
349 # target_subdir is used by the testsuite to find the target libraries.
351 if test "${host}" != "${target}"; then
352 target_subdir="${target_alias}/"
354 AC_SUBST(target_subdir)
356 configdirs="doc testsuite"
361 . ${srcdir}/configure.host
363 . ${srcdir}/configure.tgt
369 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
370 if test ! -f ${host_makefile_frag}; then
371 AC_MSG_ERROR("*** Gdb does not support host ${host}")
373 frags="$frags $host_makefile_frag"
375 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
376 if test ! -f ${target_makefile_frag}; then
377 AC_MSG_ERROR("*** Gdb does not support target ${target}")
379 frags="$frags $target_makefile_frag"
381 AC_SUBST_FILE(host_makefile_frag)
382 AC_SUBST_FILE(target_makefile_frag)
387 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
388 ' ${host_makefile_frag}`
391 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
392 ' ${target_makefile_frag}`
394 # these really aren't orthogonal true/false values of the same condition,
395 # but shells are slow enough that I like to reuse the test conditions
397 if test "${target}" = "${host}"; then
399 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
400 ' ${host_makefile_frag}`
402 # GDBserver is only useful in a "native" enviroment
403 configdirs=`echo $configdirs | sed 's/gdbserver//'`
407 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
408 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
409 # corresponding links. But we have to remove the xm.h files and tm.h
410 # files anyway, e.g. when switching from "configure host" to
416 if test "${hostfile}" != ""; then
417 files="${files} config/${gdb_host_cpu}/${hostfile}"
418 links="${links} xm.h"
421 if test "${targetfile}" != ""; then
422 files="${files} config/${gdb_target_cpu}/${targetfile}"
423 links="${links} tm.h"
426 if test "${nativefile}" != ""; then
427 files="${files} config/${gdb_host_cpu}/${nativefile}"
428 links="${links} nm.h"
430 # A cross-only configuration.
431 files="${files} config/nm-empty.h"
432 links="${links} nm.h"
434 # start-sanitize-gdbtk
436 # Make it possible to use the GUI without doing a full install
437 if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
438 files="${files} gdbtk.tcl"
439 links="${links} gdbtk.tcl"
443 AC_LINK_FILES($files, $links)
445 AC_CONFIG_SUBDIRS($configdirs)
448 dnl Autoconf doesn't provide a mechanism for modifying definitions
449 dnl provided by makefile fragments.
451 if test "${nativefile}" = ""; then
452 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
453 < Makefile > Makefile.tem
454 mv -f Makefile.tem Makefile
458 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
459 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
460 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
461 mv -f Makefile.tmp Makefile
468 grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
469 echo "source ${srcdir}/.gdbinit" >> .gdbinit
472 case x$CONFIG_HEADERS in
478 gdb_host_cpu=$gdb_host_cpu
479 gdb_target_cpu=$gdb_target_cpu
480 nativefile=$nativefile