Commit | Line | Data |
---|---|---|
d6e9fb05 | 1 | dnl Autoconf configure script for GDB server. |
32d0add0 | 2 | dnl Copyright (C) 2000-2015 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 | ||
bec39cab AC |
21 | AC_PREREQ(2.59)dnl |
22 | ||
d6e9fb05 | 23 | AC_INIT(server.c) |
84563040 | 24 | AC_CONFIG_HEADER(config.h:config.in) |
c9a1864a YQ |
25 | |
26 | AM_MAINTAINER_MODE | |
84563040 DJ |
27 | |
28 | AC_PROG_CC | |
3bc3d82a | 29 | AC_PROG_CXX |
fd462a61 | 30 | AC_GNU_SOURCE |
589bc927 | 31 | AC_SYS_LARGEFILE |
d6e9fb05 JK |
32 | |
33 | AC_CANONICAL_SYSTEM | |
84563040 | 34 | |
d6e9fb05 | 35 | AC_PROG_INSTALL |
e1d2394b | 36 | AC_CHECK_TOOL(AR, ar) |
c971b7fa | 37 | AC_PROG_RANLIB |
c906108c | 38 | |
dcdb98d2 DJ |
39 | AC_ARG_PROGRAM |
40 | ||
ee6e2b82 | 41 | AC_HEADER_STDC |
84563040 | 42 | |
3bc3d82a PA |
43 | # See if we are building with C++, and substitute COMPILER. |
44 | GDB_AC_BUILD_WITH_CXX | |
45 | ||
17ef446e | 46 | # Set the 'development' global. |
270c9937 | 47 | . $srcdir/../../bfd/development.sh |
17ef446e PA |
48 | |
49 | # Enable -lmcheck by default (it provides cheap-enough memory | |
50 | # mangling), but turn it off for releases. | |
51 | if $development; then | |
52 | libmcheck_default=yes | |
53 | else | |
54 | libmcheck_default=no | |
55 | fi | |
56 | GDB_AC_LIBMCHECK(${libmcheck_default}) | |
57 | ||
bd885420 YQ |
58 | ACX_NONCANONICAL_TARGET |
59 | ACX_NONCANONICAL_HOST | |
60 | ||
61c125b9 TT |
61 | # Dependency checking. |
62 | ZW_CREATE_DEPDIR | |
63 | ZW_PROG_COMPILER_DEPENDENCIES([CC]) | |
64 | ||
c9a1864a YQ |
65 | # Check for the 'make' the user wants to use. |
66 | AC_CHECK_PROGS(MAKE, make) | |
61c125b9 TT |
67 | MAKE_IS_GNU= |
68 | case "`$MAKE --version 2>&1 | sed 1q`" in | |
69 | *GNU*) | |
70 | MAKE_IS_GNU=yes | |
71 | ;; | |
72 | esac | |
73 | AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes) | |
74 | AC_PROG_MAKE_SET | |
c9a1864a | 75 | |
648d586d JB |
76 | gnulib_extra_configure_args= |
77 | # If large-file support is disabled, make sure gnulib does the same. | |
78 | if test "$enable_largefile" = no; then | |
79 | gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile" | |
80 | fi | |
81 | ||
c971b7fa PA |
82 | # Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect |
83 | # to find the the source subdir to be configured directly under | |
84 | # gdbserver/. We need to build gnulib under some other directory not | |
85 | # "gnulib", to avoid the problem of both GDB and GDBserver wanting to | |
86 | # build it in the same directory, when building in the source dir. | |
648d586d JB |
87 | ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"], |
88 | ["$gnulib_extra_configure_args"]) | |
c971b7fa | 89 | |
0b04e523 TT |
90 | ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"]) |
91 | ||
0d62e5e8 | 92 | AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl |
1bd2f0ba | 93 | proc_service.h sys/procfs.h linux/elf.h dnl |
9c232dda | 94 | fcntl.h signal.h sys/file.h dnl |
61ff6e04 | 95 | sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl |
1bd2f0ba | 96 | netinet/tcp.h arpa/inet.h) |
cdf43629 | 97 | AC_CHECK_FUNCS(getauxval pread pwrite pread64) |
84563040 | 98 | |
3266f10b TT |
99 | GDB_AC_COMMON |
100 | ||
0fb4aa4b PA |
101 | # Check for UST |
102 | ustlibs="" | |
103 | ustinc="" | |
104 | ||
105 | AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package | |
106 | Equivalent to --with-ust-include=PATH/include | |
107 | plus --with-ust-lib=PATH/lib]) | |
108 | AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files]) | |
109 | AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library]) | |
110 | ||
111 | case $with_ust in | |
112 | no) | |
113 | ustlibs= | |
114 | ustinc= | |
115 | ;; | |
116 | "" | yes) | |
117 | ustlibs=" -lust " | |
118 | ustinc="" | |
119 | ;; | |
120 | *) | |
121 | ustlibs="-L$with_ust/lib -lust" | |
122 | ustinc="-I$with_ust/include " | |
123 | ;; | |
124 | esac | |
125 | if test "x$with_ust_include" != x; then | |
126 | ustinc="-I$with_ust_include " | |
127 | fi | |
128 | if test "x$with_ust_lib" != x; then | |
129 | ustlibs="-L$with_ust_lib -lust" | |
130 | fi | |
131 | ||
132 | if test "x$with_ust" != "xno"; then | |
133 | saved_CFLAGS="$CFLAGS" | |
134 | CFLAGS="$CFLAGS $ustinc" | |
135 | AC_MSG_CHECKING([for ust]) | |
136 | AC_TRY_COMPILE([ | |
137 | #define CONFIG_UST_GDB_INTEGRATION | |
138 | #include <ust/ust.h> | |
139 | ],[], | |
140 | [AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])], | |
141 | [AC_MSG_RESULT([no]); ustlibs= ; ustinc= ]) | |
142 | CFLAGS="$saved_CFLAGS" | |
143 | fi | |
144 | ||
145 | # Flags needed for UST | |
146 | AC_SUBST(ustlibs) | |
147 | AC_SUBST(ustinc) | |
148 | ||
d4596a3d PA |
149 | AC_ARG_ENABLE(werror, |
150 | AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]), | |
151 | [case "${enableval}" in | |
152 | yes | y) ERROR_ON_WARNING="yes" ;; | |
153 | no | n) ERROR_ON_WARNING="no" ;; | |
154 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; | |
155 | esac]) | |
156 | ||
3bc3d82a PA |
157 | # Enable -Werror by default when using gcc in C mode. Leave it off |
158 | # for C++ until we're warning clean. Turn it off for releases. | |
159 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \ | |
160 | && test x"$enable_build_with_cxx" != x"yes" \ | |
161 | && $development; then | |
d4596a3d PA |
162 | ERROR_ON_WARNING=yes |
163 | fi | |
164 | ||
165 | WERROR_CFLAGS="" | |
166 | if test "${ERROR_ON_WARNING}" = yes ; then | |
167 | WERROR_CFLAGS="-Werror" | |
168 | fi | |
169 | ||
aac331e4 | 170 | build_warnings="-Wall -Wpointer-arith \ |
8c29b58e | 171 | -Wformat-nonliteral -Wno-char-subscripts -Wempty-body" |
d4596a3d | 172 | |
3bc3d82a PA |
173 | # Now add in C and C++ specific options, depending on mode. |
174 | if test "$enable_build_with_cxx" = "yes"; then | |
175 | build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \ | |
176 | -Wno-narrowing" | |
aac331e4 PA |
177 | else |
178 | build_warnings="$build_warnings -Wdeclaration-after-statement" | |
3bc3d82a PA |
179 | fi |
180 | ||
181 | # The set of warnings supported by a C++ compiler is not the same as | |
182 | # of the C compiler. | |
183 | if test "$enable_build_with_cxx" = "yes"; then | |
184 | AC_LANG_PUSH([C++]) | |
185 | fi | |
186 | ||
d4596a3d PA |
187 | WARN_CFLAGS="" |
188 | if test "x$GCC" = xyes | |
189 | then | |
190 | AC_MSG_CHECKING(compiler warning flags) | |
191 | # Separate out the -Werror flag as some files just cannot be | |
192 | # compiled with it enabled. | |
193 | for w in ${build_warnings}; do | |
194 | case $w in | |
195 | -Werr*) WERROR_CFLAGS=-Werror ;; | |
3bc3d82a PA |
196 | *) |
197 | # Check whether GCC accepts it. | |
d4596a3d PA |
198 | saved_CFLAGS="$CFLAGS" |
199 | CFLAGS="$CFLAGS $w" | |
3bc3d82a PA |
200 | saved_CXXFLAGS="$CXXFLAGS" |
201 | CXXFLAGS="$CXXFLAGS $w" | |
d4596a3d PA |
202 | AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) |
203 | CFLAGS="$saved_CFLAGS" | |
3bc3d82a | 204 | CXXFLAGS="$saved_CXXFLAGS" |
d4596a3d PA |
205 | esac |
206 | done | |
207 | AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS}) | |
208 | fi | |
209 | AC_SUBST(WARN_CFLAGS) | |
210 | AC_SUBST(WERROR_CFLAGS) | |
211 | ||
3bc3d82a PA |
212 | if test "$enable_build_with_cxx" = "yes"; then |
213 | AC_LANG_POP([C++]) | |
214 | fi | |
215 | ||
10e86dd7 DE |
216 | dnl dladdr is glibc-specific. It is used by thread-db.c but only for |
217 | dnl debugging messages. It lives in -ldl which is handled below so we don't | |
218 | dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily | |
219 | dnl augment LIBS. | |
220 | old_LIBS="$LIBS" | |
221 | LIBS="$LIBS -ldl" | |
222 | AC_CHECK_FUNCS(dladdr) | |
223 | LIBS="$old_LIBS" | |
224 | ||
07697489 PA |
225 | libiberty_INIT |
226 | ||
1bd2f0ba | 227 | AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf]) |
43d5792c | 228 | |
791c0056 GB |
229 | AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) |
230 | ||
ccbd4912 MK |
231 | AC_CHECK_TYPES(socklen_t, [], [], |
232 | [#include <sys/types.h> | |
233 | #include <sys/socket.h> | |
234 | ]) | |
fb1e4ffc | 235 | |
8365dcf5 TJB |
236 | AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [], |
237 | #include <elf.h> | |
238 | ) | |
239 | ||
c16158bc JM |
240 | ACX_PKGVERSION([GDB]) |
241 | ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) | |
242 | AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description]) | |
243 | AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address]) | |
244 | ||
8838b45e NS |
245 | # Check for various supplementary target information (beyond the |
246 | # triplet) which might affect the choices in configure.srv. | |
247 | case "${target}" in | |
248 | changequote(,)dnl | |
249 | i[34567]86-*-linux*) | |
250 | changequote([,])dnl | |
251 | AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64], | |
252 | [save_CPPFLAGS="$CPPFLAGS" | |
253 | CPPFLAGS="$CPPFLAGS $CFLAGS" | |
254 | AC_EGREP_CPP([got it], [ | |
255 | #if __x86_64__ | |
256 | got it | |
257 | #endif | |
258 | ], [gdb_cv_i386_is_x86_64=yes], | |
259 | [gdb_cv_i386_is_x86_64=no]) | |
260 | CPPFLAGS="$save_CPPFLAGS"]) | |
261 | ;; | |
9ac544ce MK |
262 | m68k-*-*) |
263 | AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire], | |
264 | [save_CPPFLAGS="$CPPFLAGS" | |
265 | CPPFLAGS="$CPPFLAGS $CFLAGS" | |
266 | AC_EGREP_CPP([got it], [ | |
267 | #ifdef __mcoldfire__ | |
268 | got it | |
269 | #endif | |
270 | ], [gdb_cv_m68k_is_coldfire=yes], | |
271 | [gdb_cv_m68k_is_coldfire=no]) | |
272 | CPPFLAGS="$save_CPPFLAGS"]) | |
273 | ;; | |
8838b45e NS |
274 | esac |
275 | ||
7ea81414 | 276 | . ${srcdir}/configure.srv |
c906108c | 277 | |
fb23d554 SDJ |
278 | # Add in the common host objects. |
279 | . ${srcdir}/../common/common.host | |
280 | srv_host_obs="$common_host_obs" | |
281 | ||
68070c10 PA |
282 | if test "${srv_mingwce}" = "yes"; then |
283 | LIBS="$LIBS -lws2" | |
284 | elif test "${srv_mingw}" = "yes"; then | |
12ea4b69 | 285 | LIBS="$LIBS -lws2_32" |
ac8c974e AR |
286 | elif test "${srv_qnx}" = "yes"; then |
287 | LIBS="$LIBS -lsocket" | |
8ed54b31 JB |
288 | elif test "${srv_lynxos}" = "yes"; then |
289 | LIBS="$LIBS -lnetinet" | |
68070c10 PA |
290 | fi |
291 | ||
292 | if test "${srv_mingw}" = "yes"; then | |
b80864fb DJ |
293 | AC_DEFINE(USE_WIN32API, 1, |
294 | [Define if we should use the Windows API, instead of the | |
295 | POSIX API. On Windows, we use the Windows API when | |
296 | building for MinGW, but the POSIX API when building | |
297 | for Cygwin.]) | |
298 | fi | |
299 | ||
58caa3dc | 300 | if test "${srv_linux_usrregs}" = "yes"; then |
f450004a DJ |
301 | AC_DEFINE(HAVE_LINUX_USRREGS, 1, |
302 | [Define if the target supports PTRACE_PEEKUSR for register ] | |
303 | [access.]) | |
58caa3dc DJ |
304 | fi |
305 | ||
306 | if test "${srv_linux_regsets}" = "yes"; then | |
e9d25b98 DJ |
307 | AC_DEFINE(HAVE_LINUX_REGSETS, 1, |
308 | [Define if the target supports register sets.]) | |
309 | ||
58caa3dc DJ |
310 | AC_MSG_CHECKING(for PTRACE_GETREGS) |
311 | AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs, | |
312 | [AC_TRY_COMPILE([#include <sys/ptrace.h>], | |
313 | [PTRACE_GETREGS;], | |
314 | [gdbsrv_cv_have_ptrace_getregs=yes], | |
315 | [gdbsrv_cv_have_ptrace_getregs=no])]) | |
316 | AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs) | |
317 | if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then | |
e9d25b98 | 318 | AC_DEFINE(HAVE_PTRACE_GETREGS, 1, |
f450004a DJ |
319 | [Define if the target supports PTRACE_GETREGS for register ] |
320 | [access.]) | |
58caa3dc DJ |
321 | fi |
322 | ||
323 | AC_MSG_CHECKING(for PTRACE_GETFPXREGS) | |
324 | AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs, | |
325 | [AC_TRY_COMPILE([#include <sys/ptrace.h>], | |
326 | [PTRACE_GETFPXREGS;], | |
327 | [gdbsrv_cv_have_ptrace_getfpxregs=yes], | |
328 | [gdbsrv_cv_have_ptrace_getfpxregs=no])]) | |
329 | AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs) | |
330 | if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then | |
f450004a DJ |
331 | AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1, |
332 | [Define if the target supports PTRACE_GETFPXREGS for extended ] | |
333 | [register access.]) | |
58caa3dc DJ |
334 | fi |
335 | fi | |
336 | ||
9accd112 MM |
337 | if test "${srv_linux_btrace}" = "yes"; then |
338 | AC_DEFINE(HAVE_LINUX_BTRACE, 1, | |
339 | [Define if the target supports branch tracing.]) | |
340 | fi | |
341 | ||
0d62e5e8 DJ |
342 | if test "$ac_cv_header_sys_procfs_h" = yes; then |
343 | BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t) | |
344 | BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t) | |
345 | BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t) | |
1041a03c | 346 | BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t) |
0d62e5e8 DJ |
347 | BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t) |
348 | fi | |
349 | ||
18f5fd81 TJB |
350 | dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h. |
351 | if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then | |
352 | GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t) | |
353 | fi | |
354 | ||
355 | dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h. | |
356 | if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then | |
357 | GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_t) | |
358 | fi | |
359 | ||
193f13e6 MK |
360 | dnl Check for libdl, but do not add it to LIBS as only gdbserver |
361 | dnl needs it (and gdbreplay doesn't). | |
362 | old_LIBS="$LIBS" | |
363 | AC_CHECK_LIB(dl, dlopen) | |
364 | LIBS="$old_LIBS" | |
365 | ||
0d62e5e8 DJ |
366 | srv_thread_depfiles= |
367 | srv_libs= | |
0d62e5e8 DJ |
368 | |
369 | if test "$srv_linux_thread_db" = "yes"; then | |
193f13e6 MK |
370 | if test "$ac_cv_lib_dl_dlopen" = "yes"; then |
371 | srv_libs="-ldl" | |
f6528abd | 372 | AC_MSG_CHECKING(for the dynamic export flag) |
193f13e6 | 373 | old_LDFLAGS="$LDFLAGS" |
f6528abd JK |
374 | # Older GNU ld supports --export-dynamic but --dynamic-list may not be |
375 | # supported there. | |
376 | RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list" | |
377 | LDFLAGS="$LDFLAGS $RDYNAMIC" | |
378 | AC_TRY_LINK([], [], | |
379 | [found="-Wl,--dynamic-list" | |
380 | RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'], | |
381 | [RDYNAMIC="-rdynamic" | |
382 | LDFLAGS="$old_LDFLAGS $RDYNAMIC" | |
383 | AC_TRY_LINK([], [], | |
384 | [found="-rdynamic"], | |
385 | [found="no" | |
386 | RDYNAMIC=""])]) | |
193f13e6 MK |
387 | AC_SUBST(RDYNAMIC) |
388 | LDFLAGS="$old_LDFLAGS" | |
f6528abd | 389 | AC_MSG_RESULT($found) |
193f13e6 MK |
390 | else |
391 | srv_libs="-lthread_db" | |
392 | fi | |
0d62e5e8 | 393 | |
0d62e5e8 | 394 | srv_thread_depfiles="thread-db.o proc-service.o" |
7d4e5717 | 395 | AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.]) |
3db0444b DJ |
396 | AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version, |
397 | [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;], | |
1b3f6016 PA |
398 | [gdbsrv_cv_have_td_version=yes], |
399 | [gdbsrv_cv_have_td_version=no])]) | |
3db0444b DJ |
400 | if test $gdbsrv_cv_have_td_version = yes; then |
401 | AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.]) | |
402 | fi | |
0d62e5e8 DJ |
403 | fi |
404 | ||
96f15937 PP |
405 | AC_ARG_WITH(libthread-db, |
406 | AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]), | |
407 | [srv_libthread_db_path="${withval}" | |
96f15937 PP |
408 | srv_libs="$srv_libthread_db_path" |
409 | ]) | |
410 | ||
193f13e6 MK |
411 | if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then |
412 | AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.]) | |
413 | fi | |
414 | ||
9b4b61c8 | 415 | if test "$srv_xmlfiles" != ""; then |
fb1e4ffc DJ |
416 | srv_xmlbuiltin="xml-builtin.o" |
417 | AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.]) | |
418 | ||
419 | tmp_xmlfiles=$srv_xmlfiles | |
9b4b61c8 | 420 | srv_xmlfiles="" |
fb1e4ffc DJ |
421 | for f in $tmp_xmlfiles; do |
422 | srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f" | |
423 | done | |
424 | fi | |
425 | ||
fb23d554 | 426 | GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs" |
0d62e5e8 | 427 | GDBSERVER_LIBS="$srv_libs" |
c906108c | 428 | |
fa593d66 PA |
429 | dnl Check whether the target supports __sync_*_compare_and_swap. |
430 | AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap], | |
431 | gdbsrv_cv_have_sync_builtins, [ | |
432 | AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);], | |
433 | gdbsrv_cv_have_sync_builtins=yes, | |
434 | gdbsrv_cv_have_sync_builtins=no)]) | |
435 | if test $gdbsrv_cv_have_sync_builtins = yes; then | |
436 | AC_DEFINE(HAVE_SYNC_BUILTINS, 1, | |
437 | [Define to 1 if the target supports __sync_*_compare_and_swap]) | |
438 | fi | |
439 | ||
440 | dnl Check for -fvisibility=hidden support in the compiler. | |
441 | saved_cflags="$CFLAGS" | |
442 | CFLAGS="$CFLAGS -fvisibility=hidden" | |
443 | AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), | |
444 | [gdbsrv_cv_have_visibility_hidden=yes], | |
445 | [gdbsrv_cv_have_visibility_hidden=no]) | |
446 | CFLAGS="$saved_cflags" | |
447 | ||
03583c20 UW |
448 | dnl Check if we can disable the virtual address space randomization. |
449 | dnl The functionality of setarch -R. | |
450 | AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>]) | |
451 | define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [ | |
452 | # if !HAVE_DECL_ADDR_NO_RANDOMIZE | |
453 | # define ADDR_NO_RANDOMIZE 0x0040000 | |
454 | # endif | |
455 | /* Test the flag could be set and stays set. */ | |
456 | personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE); | |
457 | if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE)) | |
458 | return 1])]) | |
459 | AC_RUN_IFELSE([PERSONALITY_TEST], | |
460 | [gdbsrv_cv_have_personality=true], | |
461 | [gdbsrv_cv_have_personality=false], | |
462 | [AC_LINK_IFELSE([PERSONALITY_TEST], | |
463 | [gdbsrv_cv_have_personality=true], | |
464 | [gdbsrv_cv_have_personality=false])]) | |
465 | if $gdbsrv_cv_have_personality | |
466 | then | |
467 | AC_DEFINE([HAVE_PERSONALITY], 1, | |
468 | [Define if you support the personality syscall.]) | |
469 | fi | |
470 | ||
c2a66c29 | 471 | |
fa593d66 | 472 | IPA_DEPFILES="" |
c2a66c29 | 473 | extra_libraries="" |
fa593d66 | 474 | |
c2a66c29 | 475 | # check whether to enable the inprocess agent |
fa593d66 PA |
476 | if test "$ipa_obj" != "" \ |
477 | -a "$gdbsrv_cv_have_sync_builtins" = yes \ | |
478 | -a "$gdbsrv_cv_have_visibility_hidden" = yes; then | |
c2a66c29 NS |
479 | have_ipa=true |
480 | else | |
481 | have_ipa=false | |
482 | fi | |
483 | ||
484 | AC_ARG_ENABLE(inprocess-agent, | |
485 | AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]), | |
486 | [case "$enableval" in | |
487 | yes) want_ipa=true ;; | |
488 | no) want_ipa=false ;; | |
489 | *) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;; | |
490 | esac], | |
491 | [want_ipa=$have_ipa]) | |
492 | ||
493 | if $want_ipa ; then | |
494 | if $have_ipa ; then | |
495 | IPA_DEPFILES="$ipa_obj" | |
496 | extra_libraries="$extra_libraries libinproctrace.so" | |
497 | else | |
498 | AC_MSG_ERROR([inprocess agent not supported for this target]) | |
499 | fi | |
fa593d66 PA |
500 | fi |
501 | ||
7ea81414 | 502 | AC_SUBST(GDBSERVER_DEPFILES) |
0d62e5e8 | 503 | AC_SUBST(GDBSERVER_LIBS) |
fb1e4ffc DJ |
504 | AC_SUBST(srv_xmlbuiltin) |
505 | AC_SUBST(srv_xmlfiles) | |
fa593d66 PA |
506 | AC_SUBST(IPA_DEPFILES) |
507 | AC_SUBST(extra_libraries) | |
c906108c | 508 | |
c971b7fa | 509 | GNULIB=build-gnulib-gdbserver/import |
c9a1864a YQ |
510 | |
511 | GNULIB_STDINT_H= | |
512 | if test x"$STDINT_H" != x; then | |
c971b7fa | 513 | GNULIB_STDINT_H=$GNULIB/$STDINT_H |
c9a1864a YQ |
514 | fi |
515 | AC_SUBST(GNULIB_STDINT_H) | |
516 | ||
c971b7fa | 517 | AC_OUTPUT(Makefile, |
c3a3ccc7 DJ |
518 | [case x$CONFIG_HEADERS in |
519 | xconfig.h:config.in) | |
520 | echo > stamp-h ;; | |
521 | esac | |
522 | ]) |