Commit | Line | Data |
---|---|---|
d6e9fb05 | 1 | dnl Autoconf configure script for GDB server. |
e2882c85 | 2 | dnl Copyright (C) 2000-2018 Free Software Foundation, Inc. |
d6e9fb05 JK |
3 | dnl |
4 | dnl This file is part of GDB. | |
5 | dnl | |
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 | |
5a0e3bd0 | 8 | dnl the Free Software Foundation; either version 3 of the License, or |
d6e9fb05 JK |
9 | dnl (at your option) any later version. |
10 | dnl | |
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. | |
15 | dnl | |
16 | dnl You should have received a copy of the GNU General Public License | |
5a0e3bd0 | 17 | dnl along with this program. If not, see <http://www.gnu.org/licenses/>. |
d6e9fb05 JK |
18 | |
19 | dnl Process this file with autoconf to produce a configure script. | |
20 | ||
21 | AC_INIT(server.c) | |
84563040 | 22 | AC_CONFIG_HEADER(config.h:config.in) |
c9a1864a YQ |
23 | |
24 | AM_MAINTAINER_MODE | |
84563040 DJ |
25 | |
26 | AC_PROG_CC | |
3bc3d82a | 27 | AC_PROG_CXX |
fd462a61 | 28 | AC_GNU_SOURCE |
589bc927 | 29 | AC_SYS_LARGEFILE |
d6e9fb05 JK |
30 | |
31 | AC_CANONICAL_SYSTEM | |
84563040 | 32 | |
d6e9fb05 | 33 | AC_PROG_INSTALL |
e1d2394b | 34 | AC_CHECK_TOOL(AR, ar) |
c971b7fa | 35 | AC_PROG_RANLIB |
c906108c | 36 | |
dcdb98d2 DJ |
37 | AC_ARG_PROGRAM |
38 | ||
0bcda685 PA |
39 | # We require a C++11 compiler. Check if one is available, and if |
40 | # necessary, set CXX_DIALECT to some -std=xxx switch. | |
41 | AX_CXX_COMPILE_STDCXX(11, , mandatory) | |
42 | ||
ee6e2b82 | 43 | AC_HEADER_STDC |
84563040 | 44 | |
17ef446e | 45 | # Set the 'development' global. |
270c9937 | 46 | . $srcdir/../../bfd/development.sh |
17ef446e PA |
47 | |
48 | # Enable -lmcheck by default (it provides cheap-enough memory | |
49 | # mangling), but turn it off for releases. | |
50 | if $development; then | |
51 | libmcheck_default=yes | |
52 | else | |
53 | libmcheck_default=no | |
54 | fi | |
55 | GDB_AC_LIBMCHECK(${libmcheck_default}) | |
56 | ||
6d580b63 | 57 | if $development; then |
b5884fa7 | 58 | srv_selftest_objs="common/selftest.o" |
6d580b63 YQ |
59 | AC_DEFINE(GDB_SELF_TEST, 1, |
60 | [Define if self-testing features should be enabled]) | |
61 | fi | |
62 | ||
bd885420 YQ |
63 | ACX_NONCANONICAL_TARGET |
64 | ACX_NONCANONICAL_HOST | |
65 | ||
61c125b9 TT |
66 | # Dependency checking. |
67 | ZW_CREATE_DEPDIR | |
60d6cfc9 YQ |
68 | |
69 | # Create sub-directories for objects and dependencies. | |
b5884fa7 | 70 | CONFIG_SRC_SUBDIR="arch common" |
60d6cfc9 YQ |
71 | AC_SUBST(CONFIG_SRC_SUBDIR) |
72 | ||
73 | AC_CONFIG_COMMANDS([gdbdepdir],[ | |
74 | for subdir in ${CONFIG_SRC_SUBDIR} | |
75 | do | |
76 | $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR | |
77 | done], | |
78 | [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"]) | |
79 | ||
61c125b9 TT |
80 | ZW_PROG_COMPILER_DEPENDENCIES([CC]) |
81 | ||
648d586d JB |
82 | gnulib_extra_configure_args= |
83 | # If large-file support is disabled, make sure gnulib does the same. | |
84 | if test "$enable_largefile" = no; then | |
85 | gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile" | |
86 | fi | |
87 | ||
c971b7fa PA |
88 | # Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect |
89 | # to find the the source subdir to be configured directly under | |
90 | # gdbserver/. We need to build gnulib under some other directory not | |
91 | # "gnulib", to avoid the problem of both GDB and GDBserver wanting to | |
92 | # build it in the same directory, when building in the source dir. | |
648d586d JB |
93 | ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"], |
94 | ["$gnulib_extra_configure_args"]) | |
c971b7fa | 95 | |
0b04e523 TT |
96 | ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"]) |
97 | ||
726e1356 | 98 | AC_CHECK_HEADERS(termios.h sys/reg.h string.h dnl |
1bd2f0ba | 99 | proc_service.h sys/procfs.h linux/elf.h dnl |
9c232dda | 100 | fcntl.h signal.h sys/file.h dnl |
61ff6e04 | 101 | sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl |
1bd2f0ba | 102 | netinet/tcp.h arpa/inet.h) |
eb0edac8 | 103 | AC_FUNC_FORK |
4b8b5e72 | 104 | AC_CHECK_FUNCS(getauxval pread pwrite pread64 setns) |
84563040 | 105 | |
3266f10b TT |
106 | GDB_AC_COMMON |
107 | ||
eb7aa561 PA |
108 | # Check the return and argument types of ptrace. |
109 | GDB_AC_PTRACE | |
110 | ||
0fb4aa4b PA |
111 | # Check for UST |
112 | ustlibs="" | |
113 | ustinc="" | |
114 | ||
115 | AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package | |
116 | Equivalent to --with-ust-include=PATH/include | |
117 | plus --with-ust-lib=PATH/lib]) | |
118 | AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files]) | |
119 | AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library]) | |
120 | ||
121 | case $with_ust in | |
122 | no) | |
123 | ustlibs= | |
124 | ustinc= | |
125 | ;; | |
126 | "" | yes) | |
127 | ustlibs=" -lust " | |
128 | ustinc="" | |
129 | ;; | |
130 | *) | |
131 | ustlibs="-L$with_ust/lib -lust" | |
132 | ustinc="-I$with_ust/include " | |
133 | ;; | |
134 | esac | |
135 | if test "x$with_ust_include" != x; then | |
136 | ustinc="-I$with_ust_include " | |
137 | fi | |
138 | if test "x$with_ust_lib" != x; then | |
139 | ustlibs="-L$with_ust_lib -lust" | |
140 | fi | |
141 | ||
142 | if test "x$with_ust" != "xno"; then | |
143 | saved_CFLAGS="$CFLAGS" | |
144 | CFLAGS="$CFLAGS $ustinc" | |
145 | AC_MSG_CHECKING([for ust]) | |
146 | AC_TRY_COMPILE([ | |
147 | #define CONFIG_UST_GDB_INTEGRATION | |
148 | #include <ust/ust.h> | |
149 | ],[], | |
150 | [AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])], | |
151 | [AC_MSG_RESULT([no]); ustlibs= ; ustinc= ]) | |
152 | CFLAGS="$saved_CFLAGS" | |
153 | fi | |
154 | ||
155 | # Flags needed for UST | |
156 | AC_SUBST(ustlibs) | |
157 | AC_SUBST(ustinc) | |
158 | ||
8f13a3ce | 159 | AM_GDB_WARNINGS |
3bc3d82a | 160 | |
10e86dd7 DE |
161 | dnl dladdr is glibc-specific. It is used by thread-db.c but only for |
162 | dnl debugging messages. It lives in -ldl which is handled below so we don't | |
163 | dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily | |
164 | dnl augment LIBS. | |
165 | old_LIBS="$LIBS" | |
166 | LIBS="$LIBS -ldl" | |
167 | AC_CHECK_FUNCS(dladdr) | |
168 | LIBS="$old_LIBS" | |
169 | ||
07697489 PA |
170 | libiberty_INIT |
171 | ||
1bd2f0ba | 172 | AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf]) |
43d5792c | 173 | |
791c0056 GB |
174 | AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) |
175 | ||
239b6d10 WT |
176 | # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers. |
177 | # Older amd64 Linux's don't have the fs_base and gs_base members of | |
178 | # `struct user_regs_struct'. | |
179 | AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base], | |
f517c180 EA |
180 | [], [], [#include <sys/types.h> |
181 | #include <sys/user.h>]) | |
239b6d10 WT |
182 | |
183 | ||
ccbd4912 MK |
184 | AC_CHECK_TYPES(socklen_t, [], [], |
185 | [#include <sys/types.h> | |
186 | #include <sys/socket.h> | |
187 | ]) | |
fb1e4ffc | 188 | |
64da5dd5 JB |
189 | case "${target}" in |
190 | *-android*) | |
191 | # Starting with NDK version 9, <elf.h> actually includes definitions | |
192 | # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes | |
193 | # <sys/exec_elf.h> which defines some of the ELF types incorrectly, | |
194 | # leading to conflicts with the defintions from <linux/elf.h>. | |
195 | # This makes it impossible for us to include both <elf.h> and | |
196 | # <linux/elf.h>, which means that, in practice, we do not have | |
197 | # access to Elf32_auxv_t and Elf64_auxv_t on this platform. | |
198 | # Therefore, do not try to auto-detect availability, as it would | |
199 | # get it wrong on this platform. | |
200 | ;; | |
201 | *) | |
202 | AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [], | |
203 | #include <elf.h> | |
204 | ) | |
205 | esac | |
8365dcf5 | 206 | |
c16158bc JM |
207 | ACX_PKGVERSION([GDB]) |
208 | ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) | |
209 | AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description]) | |
210 | AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address]) | |
211 | ||
8838b45e NS |
212 | # Check for various supplementary target information (beyond the |
213 | # triplet) which might affect the choices in configure.srv. | |
214 | case "${target}" in | |
215 | changequote(,)dnl | |
216 | i[34567]86-*-linux*) | |
217 | changequote([,])dnl | |
218 | AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64], | |
219 | [save_CPPFLAGS="$CPPFLAGS" | |
220 | CPPFLAGS="$CPPFLAGS $CFLAGS" | |
221 | AC_EGREP_CPP([got it], [ | |
222 | #if __x86_64__ | |
223 | got it | |
224 | #endif | |
225 | ], [gdb_cv_i386_is_x86_64=yes], | |
226 | [gdb_cv_i386_is_x86_64=no]) | |
227 | CPPFLAGS="$save_CPPFLAGS"]) | |
228 | ;; | |
201506da PA |
229 | |
230 | x86_64-*-linux*) | |
231 | AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32], | |
232 | [save_CPPFLAGS="$CPPFLAGS" | |
233 | CPPFLAGS="$CPPFLAGS $CFLAGS" | |
234 | AC_EGREP_CPP([got it], [ | |
235 | #if __x86_64__ && __ILP32__ | |
236 | got it | |
237 | #endif | |
238 | ], [gdb_cv_x86_is_x32=yes], | |
239 | [gdb_cv_x86_is_x32=no]) | |
240 | CPPFLAGS="$save_CPPFLAGS"]) | |
241 | ;; | |
242 | ||
9ac544ce MK |
243 | m68k-*-*) |
244 | AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire], | |
245 | [save_CPPFLAGS="$CPPFLAGS" | |
246 | CPPFLAGS="$CPPFLAGS $CFLAGS" | |
247 | AC_EGREP_CPP([got it], [ | |
248 | #ifdef __mcoldfire__ | |
249 | got it | |
250 | #endif | |
251 | ], [gdb_cv_m68k_is_coldfire=yes], | |
252 | [gdb_cv_m68k_is_coldfire=no]) | |
253 | CPPFLAGS="$save_CPPFLAGS"]) | |
254 | ;; | |
8838b45e NS |
255 | esac |
256 | ||
7ea81414 | 257 | . ${srcdir}/configure.srv |
c906108c | 258 | |
fb23d554 SDJ |
259 | # Add in the common host objects. |
260 | . ${srcdir}/../common/common.host | |
261 | srv_host_obs="$common_host_obs" | |
262 | ||
68070c10 PA |
263 | if test "${srv_mingwce}" = "yes"; then |
264 | LIBS="$LIBS -lws2" | |
265 | elif test "${srv_mingw}" = "yes"; then | |
12ea4b69 | 266 | LIBS="$LIBS -lws2_32" |
ac8c974e AR |
267 | elif test "${srv_qnx}" = "yes"; then |
268 | LIBS="$LIBS -lsocket" | |
8ed54b31 JB |
269 | elif test "${srv_lynxos}" = "yes"; then |
270 | LIBS="$LIBS -lnetinet" | |
68070c10 PA |
271 | fi |
272 | ||
273 | if test "${srv_mingw}" = "yes"; then | |
b80864fb DJ |
274 | AC_DEFINE(USE_WIN32API, 1, |
275 | [Define if we should use the Windows API, instead of the | |
276 | POSIX API. On Windows, we use the Windows API when | |
277 | building for MinGW, but the POSIX API when building | |
278 | for Cygwin.]) | |
279 | fi | |
280 | ||
58caa3dc | 281 | if test "${srv_linux_usrregs}" = "yes"; then |
f450004a DJ |
282 | AC_DEFINE(HAVE_LINUX_USRREGS, 1, |
283 | [Define if the target supports PTRACE_PEEKUSR for register ] | |
284 | [access.]) | |
58caa3dc DJ |
285 | fi |
286 | ||
287 | if test "${srv_linux_regsets}" = "yes"; then | |
e9d25b98 DJ |
288 | AC_DEFINE(HAVE_LINUX_REGSETS, 1, |
289 | [Define if the target supports register sets.]) | |
290 | ||
58caa3dc DJ |
291 | AC_MSG_CHECKING(for PTRACE_GETREGS) |
292 | AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs, | |
293 | [AC_TRY_COMPILE([#include <sys/ptrace.h>], | |
294 | [PTRACE_GETREGS;], | |
295 | [gdbsrv_cv_have_ptrace_getregs=yes], | |
296 | [gdbsrv_cv_have_ptrace_getregs=no])]) | |
297 | AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs) | |
298 | if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then | |
e9d25b98 | 299 | AC_DEFINE(HAVE_PTRACE_GETREGS, 1, |
f450004a DJ |
300 | [Define if the target supports PTRACE_GETREGS for register ] |
301 | [access.]) | |
58caa3dc DJ |
302 | fi |
303 | ||
304 | AC_MSG_CHECKING(for PTRACE_GETFPXREGS) | |
305 | AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs, | |
306 | [AC_TRY_COMPILE([#include <sys/ptrace.h>], | |
307 | [PTRACE_GETFPXREGS;], | |
308 | [gdbsrv_cv_have_ptrace_getfpxregs=yes], | |
309 | [gdbsrv_cv_have_ptrace_getfpxregs=no])]) | |
310 | AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs) | |
311 | if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then | |
f450004a DJ |
312 | AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1, |
313 | [Define if the target supports PTRACE_GETFPXREGS for extended ] | |
314 | [register access.]) | |
58caa3dc DJ |
315 | fi |
316 | fi | |
317 | ||
9accd112 MM |
318 | if test "${srv_linux_btrace}" = "yes"; then |
319 | AC_DEFINE(HAVE_LINUX_BTRACE, 1, | |
320 | [Define if the target supports branch tracing.]) | |
321 | fi | |
322 | ||
0d62e5e8 DJ |
323 | if test "$ac_cv_header_sys_procfs_h" = yes; then |
324 | BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t) | |
325 | BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t) | |
326 | BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t) | |
1041a03c | 327 | BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t) |
0d62e5e8 DJ |
328 | BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t) |
329 | fi | |
330 | ||
18f5fd81 TJB |
331 | dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h. |
332 | if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then | |
333 | GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t) | |
334 | fi | |
335 | ||
336 | dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h. | |
337 | if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then | |
338 | GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_t) | |
339 | fi | |
340 | ||
193f13e6 MK |
341 | dnl Check for libdl, but do not add it to LIBS as only gdbserver |
342 | dnl needs it (and gdbreplay doesn't). | |
343 | old_LIBS="$LIBS" | |
344 | AC_CHECK_LIB(dl, dlopen) | |
345 | LIBS="$old_LIBS" | |
346 | ||
0d62e5e8 DJ |
347 | srv_thread_depfiles= |
348 | srv_libs= | |
0d62e5e8 DJ |
349 | |
350 | if test "$srv_linux_thread_db" = "yes"; then | |
193f13e6 MK |
351 | if test "$ac_cv_lib_dl_dlopen" = "yes"; then |
352 | srv_libs="-ldl" | |
f6528abd | 353 | AC_MSG_CHECKING(for the dynamic export flag) |
193f13e6 | 354 | old_LDFLAGS="$LDFLAGS" |
f6528abd JK |
355 | # Older GNU ld supports --export-dynamic but --dynamic-list may not be |
356 | # supported there. | |
357 | RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list" | |
358 | LDFLAGS="$LDFLAGS $RDYNAMIC" | |
359 | AC_TRY_LINK([], [], | |
360 | [found="-Wl,--dynamic-list" | |
361 | RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'], | |
362 | [RDYNAMIC="-rdynamic" | |
363 | LDFLAGS="$old_LDFLAGS $RDYNAMIC" | |
364 | AC_TRY_LINK([], [], | |
365 | [found="-rdynamic"], | |
366 | [found="no" | |
367 | RDYNAMIC=""])]) | |
193f13e6 MK |
368 | AC_SUBST(RDYNAMIC) |
369 | LDFLAGS="$old_LDFLAGS" | |
f6528abd | 370 | AC_MSG_RESULT($found) |
193f13e6 MK |
371 | else |
372 | srv_libs="-lthread_db" | |
373 | fi | |
0d62e5e8 | 374 | |
0d62e5e8 | 375 | srv_thread_depfiles="thread-db.o proc-service.o" |
7d4e5717 | 376 | AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.]) |
3db0444b DJ |
377 | AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version, |
378 | [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;], | |
1b3f6016 PA |
379 | [gdbsrv_cv_have_td_version=yes], |
380 | [gdbsrv_cv_have_td_version=no])]) | |
3db0444b DJ |
381 | if test $gdbsrv_cv_have_td_version = yes; then |
382 | AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.]) | |
383 | fi | |
0d62e5e8 DJ |
384 | fi |
385 | ||
96f15937 PP |
386 | AC_ARG_WITH(libthread-db, |
387 | AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]), | |
388 | [srv_libthread_db_path="${withval}" | |
96f15937 PP |
389 | srv_libs="$srv_libthread_db_path" |
390 | ]) | |
391 | ||
193f13e6 MK |
392 | if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then |
393 | AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.]) | |
394 | fi | |
395 | ||
9b4b61c8 | 396 | if test "$srv_xmlfiles" != ""; then |
fb1e4ffc DJ |
397 | srv_xmlbuiltin="xml-builtin.o" |
398 | AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.]) | |
399 | ||
400 | tmp_xmlfiles=$srv_xmlfiles | |
9b4b61c8 | 401 | srv_xmlfiles="" |
fb1e4ffc DJ |
402 | for f in $tmp_xmlfiles; do |
403 | srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f" | |
404 | done | |
405 | fi | |
406 | ||
605fd3c6 | 407 | GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs $srv_selftest_objs" |
0d62e5e8 | 408 | GDBSERVER_LIBS="$srv_libs" |
c906108c | 409 | |
fa593d66 PA |
410 | dnl Check whether the target supports __sync_*_compare_and_swap. |
411 | AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap], | |
412 | gdbsrv_cv_have_sync_builtins, [ | |
413 | AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);], | |
414 | gdbsrv_cv_have_sync_builtins=yes, | |
415 | gdbsrv_cv_have_sync_builtins=no)]) | |
416 | if test $gdbsrv_cv_have_sync_builtins = yes; then | |
417 | AC_DEFINE(HAVE_SYNC_BUILTINS, 1, | |
418 | [Define to 1 if the target supports __sync_*_compare_and_swap]) | |
419 | fi | |
420 | ||
421 | dnl Check for -fvisibility=hidden support in the compiler. | |
422 | saved_cflags="$CFLAGS" | |
423 | CFLAGS="$CFLAGS -fvisibility=hidden" | |
d0ac1c44 | 424 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], |
fa593d66 PA |
425 | [gdbsrv_cv_have_visibility_hidden=yes], |
426 | [gdbsrv_cv_have_visibility_hidden=no]) | |
427 | CFLAGS="$saved_cflags" | |
428 | ||
03583c20 UW |
429 | dnl Check if we can disable the virtual address space randomization. |
430 | dnl The functionality of setarch -R. | |
431 | AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>]) | |
432 | define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [ | |
433 | # if !HAVE_DECL_ADDR_NO_RANDOMIZE | |
434 | # define ADDR_NO_RANDOMIZE 0x0040000 | |
435 | # endif | |
436 | /* Test the flag could be set and stays set. */ | |
437 | personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE); | |
438 | if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE)) | |
439 | return 1])]) | |
440 | AC_RUN_IFELSE([PERSONALITY_TEST], | |
441 | [gdbsrv_cv_have_personality=true], | |
442 | [gdbsrv_cv_have_personality=false], | |
443 | [AC_LINK_IFELSE([PERSONALITY_TEST], | |
444 | [gdbsrv_cv_have_personality=true], | |
445 | [gdbsrv_cv_have_personality=false])]) | |
446 | if $gdbsrv_cv_have_personality | |
447 | then | |
448 | AC_DEFINE([HAVE_PERSONALITY], 1, | |
449 | [Define if you support the personality syscall.]) | |
450 | fi | |
451 | ||
c2a66c29 | 452 | |
fa593d66 | 453 | IPA_DEPFILES="" |
c2a66c29 | 454 | extra_libraries="" |
fa593d66 | 455 | |
c2a66c29 | 456 | # check whether to enable the inprocess agent |
fa593d66 PA |
457 | if test "$ipa_obj" != "" \ |
458 | -a "$gdbsrv_cv_have_sync_builtins" = yes \ | |
459 | -a "$gdbsrv_cv_have_visibility_hidden" = yes; then | |
c2a66c29 NS |
460 | have_ipa=true |
461 | else | |
462 | have_ipa=false | |
463 | fi | |
464 | ||
465 | AC_ARG_ENABLE(inprocess-agent, | |
466 | AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]), | |
467 | [case "$enableval" in | |
468 | yes) want_ipa=true ;; | |
469 | no) want_ipa=false ;; | |
470 | *) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;; | |
471 | esac], | |
472 | [want_ipa=$have_ipa]) | |
473 | ||
474 | if $want_ipa ; then | |
475 | if $have_ipa ; then | |
476 | IPA_DEPFILES="$ipa_obj" | |
477 | extra_libraries="$extra_libraries libinproctrace.so" | |
478 | else | |
479 | AC_MSG_ERROR([inprocess agent not supported for this target]) | |
480 | fi | |
fa593d66 PA |
481 | fi |
482 | ||
7ea81414 | 483 | AC_SUBST(GDBSERVER_DEPFILES) |
0d62e5e8 | 484 | AC_SUBST(GDBSERVER_LIBS) |
fb1e4ffc DJ |
485 | AC_SUBST(srv_xmlbuiltin) |
486 | AC_SUBST(srv_xmlfiles) | |
fa593d66 PA |
487 | AC_SUBST(IPA_DEPFILES) |
488 | AC_SUBST(extra_libraries) | |
c906108c | 489 | |
c971b7fa | 490 | GNULIB=build-gnulib-gdbserver/import |
c9a1864a YQ |
491 | |
492 | GNULIB_STDINT_H= | |
493 | if test x"$STDINT_H" != x; then | |
c971b7fa | 494 | GNULIB_STDINT_H=$GNULIB/$STDINT_H |
c9a1864a YQ |
495 | fi |
496 | AC_SUBST(GNULIB_STDINT_H) | |
497 | ||
1e94266c | 498 | AC_CONFIG_FILES([Makefile], |
c3a3ccc7 DJ |
499 | [case x$CONFIG_HEADERS in |
500 | xconfig.h:config.in) | |
501 | echo > stamp-h ;; | |
502 | esac | |
503 | ]) | |
1e94266c SM |
504 | |
505 | AC_OUTPUT |