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 $srcdir;pwd`/..)
43 AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
48 AC_CHECK_FUNCS(setpgid sbrk select poll)
50 dnl List of object files added by configuire.
54 # If we are configured native on Linux, work around problems with sys/procfs.h
55 if test "${target}" = "${host}"; then
58 AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
59 AC_DEFINE(sys_quotactl)
64 AC_MSG_CHECKING([for gregset_t type])
65 AC_CACHE_VAL(gdb_cv_have_gregset_t,
66 [AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
67 gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
68 AC_MSG_RESULT($gdb_cv_have_gregset_t)
69 if test $gdb_cv_have_gregset_t = yes; then
70 AC_DEFINE(HAVE_GREGSET_T)
73 AC_MSG_CHECKING([for fpregset_t type])
74 AC_CACHE_VAL(gdb_cv_have_fpregset_t,
75 [AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
76 gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
77 AC_MSG_RESULT($gdb_cv_have_fpregset_t)
78 if test $gdb_cv_have_fpregset_t = yes; then
79 AC_DEFINE(HAVE_FPREGSET_T)
82 dnl See if compiler supports "long long" type.
84 AC_MSG_CHECKING(for long long support in compiler)
85 AC_CACHE_VAL(gdb_cv_c_long_long,
88 switch (foo & 2) { case 0: return 1; }
90 gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
91 AC_MSG_RESULT($gdb_cv_c_long_long)
92 if test $gdb_cv_c_long_long = yes; then
93 AC_DEFINE(CC_HAS_LONG_LONG)
96 dnl See if the compiler and runtime support printing long long
98 AC_MSG_CHECKING(for long long support in printf)
99 AC_CACHE_VAL(gdb_cv_printf_has_long_long,
103 long long l = 0x12345;
104 sprintf (buf, "%llx", l);
105 return (strcmp ("12345", buf));
107 gdb_cv_printf_has_long_long=yes,
108 gdb_cv_printf_has_long_long=no,
109 gdb_cv_printf_has_long_long=no)])
110 if test $gdb_cv_printf_has_long_long = yes; then
111 AC_DEFINE(PRINTF_HAS_LONG_LONG)
113 AC_MSG_RESULT($gdb_cv_printf_has_long_long)
115 dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
116 dnl because autoconf complains about cross-compilation issues. However, this
117 dnl code uses the same variables as the macro for compatibility.
119 AC_MSG_CHECKING(for long double support in compiler)
120 AC_CACHE_VAL(ac_cv_c_long_double,
121 [AC_TRY_COMPILE(, [long double foo;],
122 ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
123 AC_MSG_RESULT($ac_cv_c_long_double)
124 if test $ac_cv_c_long_double = yes; then
125 AC_DEFINE(HAVE_LONG_DOUBLE)
128 dnl See if the compiler and runtime support printing long doubles
130 AC_MSG_CHECKING(for long double support in printf)
131 AC_CACHE_VAL(gdb_cv_printf_has_long_double,
135 long double f = 3.141592653;
136 sprintf (buf, "%Lg", f);
137 return (strncmp ("3.14159", buf, 7));
139 gdb_cv_printf_has_long_double=yes,
140 gdb_cv_printf_has_long_double=no,
141 gdb_cv_printf_has_long_double=no)])
142 if test $gdb_cv_printf_has_long_double = yes; then
143 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
145 AC_MSG_RESULT($gdb_cv_printf_has_long_double)
149 BFD_NEED_DECLARATION(malloc)
150 BFD_NEED_DECLARATION(realloc)
151 BFD_NEED_DECLARATION(free)
153 dnl See if thread_db library is around for Solaris thread debugging. Note that
154 dnl we must explicitly test for version 1 of the library because version 0
155 dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
157 dnl Note that we only want this if we are both native (host == target), and
158 dnl not doing a canadian cross build (build == host).
160 if test ${build} = ${host} -a ${host} = ${target} ; then
163 AC_MSG_CHECKING(for HPUX/OSF thread support)
164 if test -f /usr/include/dce/cma_config.h ; then
166 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
167 CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
173 AC_MSG_CHECKING(for Solaris thread debugging library)
174 if test -f /usr/lib/libthread_db.so.1 ; then
176 AC_DEFINE(HAVE_THREAD_DB_LIB)
177 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
178 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
184 AC_SUBST(CONFIG_LDFLAGS)
187 dnl Handle optional features that can be enabled.
190 AC_ARG_ENABLE(netrom,
192 [case "${enableval}" in
193 yes) enable_netrom=yes ;;
194 no) enable_netrom=no ;;
195 *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
198 if test "${enable_netrom}" = "yes"; then
199 CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
207 [case "${enableval}" in
208 yes) CONFIG_OBS="${CONFIG_OBS} gmagic.o"
209 ENABLE_CFLAGS=-DGENERAL_MAGIC
212 *) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
217 AC_ARG_ENABLE(sim-powerpc,
218 [ --enable-sim-powerpc ],
219 [case "${enableval}" in
220 yes) powerpc_sim=yes ;;
221 no) powerpc_sim=no ;;
222 *) AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;;
223 esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi])
225 # start-sanitize-gdbtk
230 [case "${enableval}" in
234 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
236 *cygwin32* | *windows*)
237 AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
245 AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
248 # Default is on for everything but go32 and cygwin32
250 *go32* | *cygwin32* | *windows*)
257 if test "${enable_gdbtk}" = "yes"; then
260 if test -z "${no_tcl}"; then
264 # If $no_tk is nonempty, then we can't do Tk, and there is no
265 # point to doing Tcl.
266 if test -z "${no_tk}"; then
273 # Include some libraries that Tcl and Tk want.
274 TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)'
275 LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
276 CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
281 AC_SUBST(ENABLE_GDBTK)
287 AC_SUBST(ENABLE_CFLAGS)
291 # Begin stuff to support --enable-shared
292 AC_ARG_ENABLE(shared,
293 [ --enable-shared use shared libraries],
294 [case "${enableval}" in
302 # If we have shared libraries, try to set rpath reasonably.
303 if test "${shared}" = "true"; then
306 HLDFLAGS='-Wl,+s,+b,$(libdir)'
308 *-*-irix5* | *-*-irix6*)
309 HLDFLAGS='-Wl,-rpath,$(libdir)'
313 *-*-linux* | *-pc-linux-gnu)
314 HLDFLAGS='-Wl,-rpath,$(libdir)'
317 HLDFLAGS='-R $(libdir)'
320 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;'
325 # On SunOS, if the linker supports the -rpath option, use it to
326 # prevent ../bfd and ../opcodes from being included in the run time
330 echo 'main () { }' > conftest.c
331 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
332 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
334 elif grep 'No such file' conftest.t >/dev/null 2>&1; then
336 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
338 elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
340 elif test "${shared}" = "true"; then
341 HLDFLAGS='-Wl,-rpath=$(libdir)'
343 HLDFLAGS='-Wl,-rpath='
345 rm -f conftest.t conftest.c conftest
350 # End stuff to support --enable-shared
352 # target_subdir is used by the testsuite to find the target libraries.
354 if test "${host}" != "${target}"; then
355 target_subdir="${target_alias}/"
357 AC_SUBST(target_subdir)
359 configdirs="doc testsuite"
364 . ${srcdir}/configure.host
366 . ${srcdir}/configure.tgt
372 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
373 if test ! -f ${host_makefile_frag}; then
374 AC_MSG_ERROR("*** Gdb does not support host ${host}")
376 frags="$frags $host_makefile_frag"
378 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
379 if test ! -f ${target_makefile_frag}; then
380 AC_MSG_ERROR("*** Gdb does not support target ${target}")
382 frags="$frags $target_makefile_frag"
384 AC_SUBST_FILE(host_makefile_frag)
385 AC_SUBST_FILE(target_makefile_frag)
390 s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
391 ' ${host_makefile_frag}`
394 s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
395 ' ${target_makefile_frag}`
397 # these really aren't orthogonal true/false values of the same condition,
398 # but shells are slow enough that I like to reuse the test conditions
400 if test "${target}" = "${host}"; then
402 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
403 ' ${host_makefile_frag}`
405 # GDBserver is only useful in a "native" enviroment
406 configdirs=`echo $configdirs | sed 's/gdbserver//'`
410 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
411 # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
412 # corresponding links. But we have to remove the xm.h files and tm.h
413 # files anyway, e.g. when switching from "configure host" to
419 if test "${hostfile}" != ""; then
420 files="${files} config/${gdb_host_cpu}/${hostfile}"
421 links="${links} xm.h"
424 if test "${targetfile}" != ""; then
425 files="${files} config/${gdb_target_cpu}/${targetfile}"
426 links="${links} tm.h"
429 if test "${nativefile}" != ""; then
430 files="${files} config/${gdb_host_cpu}/${nativefile}"
431 links="${links} nm.h"
433 # A cross-only configuration.
434 files="${files} config/nm-empty.h"
435 links="${links} nm.h"
437 # start-sanitize-gdbtk
439 # Make it possible to use the GUI without doing a full install
440 if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
441 files="${files} gdbtk.tcl"
442 links="${links} gdbtk.tcl"
446 AC_LINK_FILES($files, $links)
448 AC_CONFIG_SUBDIRS($configdirs)
451 dnl Autoconf doesn't provide a mechanism for modifying definitions
452 dnl provided by makefile fragments.
454 if test "${nativefile}" = ""; then
455 sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
456 < Makefile > Makefile.tem
457 mv -f Makefile.tem Makefile
461 sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
462 /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
463 /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
464 mv -f Makefile.tmp Makefile
471 grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
472 echo "source ${srcdir}/.gdbinit" >> .gdbinit
475 case x$CONFIG_HEADERS in
481 gdb_host_cpu=$gdb_host_cpu
482 gdb_target_cpu=$gdb_target_cpu
483 nativefile=$nativefile