1 dnl Autoconf configure script for GDB server.
2 dnl Copyright (C) 2000-2021 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 3 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, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
22 AC_CONFIG_MACRO_DIRS([../config])
23 AC_CONFIG_SRCDIR([server.cc])
24 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
30 AC_USE_SYSTEM_EXTENSIONS
34 # Set build, build_cpu, build_vendor and build_os.
37 # Set host, host_cpu, host_vendor, and host_os.
40 # Set target, target_cpu, target_vendor, and target_os.
49 # We require a C++11 compiler. Check if one is available, and if
50 # necessary, set CXX_DIALECT to some -std=xxx switch.
51 AX_CXX_COMPILE_STDCXX(11, , mandatory)
56 # This is set by GDB_AC_COMMON.
57 AC_SUBST(WIN32APILIBS)
61 ACX_NONCANONICAL_TARGET
64 # Dependency checking.
67 dnl Set up for gettext.
68 ZW_GNU_GETTEXT_SISTER_DIR
70 # Create sub-directories for objects and dependencies.
71 CONFIG_SRC_SUBDIR="arch gdbsupport nat target"
72 AC_SUBST(CONFIG_SRC_SUBDIR)
74 AC_CONFIG_COMMANDS([gdbdepdir],[
75 for subdir in ${CONFIG_SRC_SUBDIR}
77 $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR
79 [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"])
81 ZW_PROG_COMPILER_DEPENDENCIES([CC])
83 AC_CHECK_HEADERS(termios.h sys/reg.h string.h dnl
84 sys/procfs.h linux/elf.h dnl
85 fcntl.h signal.h sys/file.h dnl
86 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
87 netinet/tcp.h arpa/inet.h ws2tcpip.h)
89 AC_CHECK_FUNCS(pread pwrite pread64)
91 # Check the return and argument types of ptrace.
98 AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package
99 Equivalent to --with-ust-include=PATH/include
100 plus --with-ust-lib=PATH/lib])
101 AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files])
102 AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library])
114 ustlibs="-L$with_ust/lib -lust"
115 ustinc="-I$with_ust/include "
118 if test "x$with_ust_include" != x; then
119 ustinc="-I$with_ust_include "
121 if test "x$with_ust_lib" != x; then
122 ustlibs="-L$with_ust_lib -lust"
125 if test "x$with_ust" != "xno"; then
126 saved_CFLAGS="$CFLAGS"
127 CFLAGS="$CFLAGS $ustinc"
128 AC_MSG_CHECKING([for ust])
132 #define CONFIG_UST_GDB_INTEGRATION
137 [AC_MSG_RESULT([yes]);
138 AC_DEFINE(HAVE_UST, 1, [Define if UST is available])],
142 CFLAGS="$saved_CFLAGS"
145 # Flags needed for UST
151 dnl dladdr is glibc-specific. It is used by thread-db.c but only for
152 dnl debugging messages. It lives in -ldl which is handled below so we don't
153 dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily
157 AC_CHECK_FUNCS(dladdr)
162 AC_CHECK_DECLS([perror, vasprintf, vsnprintf])
164 AC_CHECK_TYPES(socklen_t, [], [],
165 [#include <sys/types.h>
166 #if HAVE_SYS_SOCKET_H
167 # include <sys/socket.h>
168 #elif HAVE_WS2TCPIP_H
169 # include <ws2tcpip.h>
175 # Starting with NDK version 9, <elf.h> actually includes definitions
176 # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes
177 # <sys/exec_elf.h> which defines some of the ELF types incorrectly,
178 # leading to conflicts with the defintions from <linux/elf.h>.
179 # This makes it impossible for us to include both <elf.h> and
180 # <linux/elf.h>, which means that, in practice, we do not have
181 # access to Elf32_auxv_t and Elf64_auxv_t on this platform.
182 # Therefore, do not try to auto-detect availability, as it would
183 # get it wrong on this platform.
186 AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [],
191 ACX_PKGVERSION([GDB])
192 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
193 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
194 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
196 # Check for various supplementary target information (beyond the
197 # triplet) which might affect the choices in configure.srv.
202 AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64],
203 [save_CPPFLAGS="$CPPFLAGS"
204 CPPFLAGS="$CPPFLAGS $CFLAGS"
205 AC_EGREP_CPP([got it], [
209 ], [gdb_cv_i386_is_x86_64=yes],
210 [gdb_cv_i386_is_x86_64=no])
211 CPPFLAGS="$save_CPPFLAGS"])
215 AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32],
216 [save_CPPFLAGS="$CPPFLAGS"
217 CPPFLAGS="$CPPFLAGS $CFLAGS"
218 AC_EGREP_CPP([got it], [
219 #if __x86_64__ && __ILP32__
222 ], [gdb_cv_x86_is_x32=yes],
223 [gdb_cv_x86_is_x32=no])
224 CPPFLAGS="$save_CPPFLAGS"])
228 AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire],
229 [save_CPPFLAGS="$CPPFLAGS"
230 CPPFLAGS="$CPPFLAGS $CFLAGS"
231 AC_EGREP_CPP([got it], [
235 ], [gdb_cv_m68k_is_coldfire=yes],
236 [gdb_cv_m68k_is_coldfire=no])
237 CPPFLAGS="$save_CPPFLAGS"])
241 . ${srcdir}/configure.srv
243 if test "${srv_mingwce}" = "yes"; then
245 elif test "${srv_mingw}" = "yes"; then
246 # WIN32APILIBS is set by GDB_AC_COMMON.
247 LIBS="$LIBS $WIN32APILIBS"
250 if test "${srv_linux_usrregs}" = "yes"; then
251 AC_DEFINE(HAVE_LINUX_USRREGS, 1,
252 [Define if the target supports PTRACE_PEEKUSR for register ]
256 if test "${srv_linux_regsets}" = "yes"; then
257 AC_DEFINE(HAVE_LINUX_REGSETS, 1,
258 [Define if the target supports register sets.])
260 AC_MSG_CHECKING(for PTRACE_GETREGS)
262 [gdbsrv_cv_have_ptrace_getregs],
264 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETREGS;])],
265 [gdbsrv_cv_have_ptrace_getregs=yes],
266 [gdbsrv_cv_have_ptrace_getregs=no]
269 AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
270 if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
271 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
272 [Define if the target supports PTRACE_GETREGS for register ]
276 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
278 [gdbsrv_cv_have_ptrace_getfpxregs],
280 [AC_LANG_PROGRAM([#include <sys/ptrace.h>], [PTRACE_GETFPXREGS;])],
281 [gdbsrv_cv_have_ptrace_getfpxregs=yes],
282 [gdbsrv_cv_have_ptrace_getfpxregs=no]
285 AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
286 if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
287 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
288 [Define if the target supports PTRACE_GETFPXREGS for extended ]
293 if test "${srv_linux_btrace}" = "yes"; then
294 AC_DEFINE(HAVE_LINUX_BTRACE, 1,
295 [Define if the target supports branch tracing.])
298 dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h.
299 if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then
300 GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t)
303 dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h.
304 if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then
305 GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_t)
308 dnl Check for libdl, but do not add it to LIBS as only gdbserver
309 dnl needs it (and gdbreplay doesn't).
311 AC_CHECK_LIB(dl, dlopen)
317 if test "$srv_linux_thread_db" = "yes"; then
318 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
320 AC_MSG_CHECKING(for the dynamic export flag)
321 old_LDFLAGS="$LDFLAGS"
322 # Older GNU ld supports --export-dynamic but --dynamic-list may not be
324 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
325 LDFLAGS="$LDFLAGS $RDYNAMIC"
327 [AC_LANG_PROGRAM([],[])],
328 [found="-Wl,--dynamic-list"
329 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
330 [RDYNAMIC="-rdynamic"
331 LDFLAGS="$old_LDFLAGS $RDYNAMIC"
333 [AC_LANG_PROGRAM([], [])],
340 LDFLAGS="$old_LDFLAGS"
341 AC_MSG_RESULT($found)
343 srv_libs="-lthread_db"
346 srv_thread_depfiles="thread-db.o proc-service.o"
347 AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.])
350 [gdbsrv_cv_have_td_version],
352 [AC_LANG_PROGRAM([#include <thread_db.h>], [TD_VERSION;])],
353 [gdbsrv_cv_have_td_version=yes],
354 [gdbsrv_cv_have_td_version=no]
357 if test "$gdbsrv_cv_have_td_version" = yes; then
358 AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
362 AC_ARG_WITH(libthread-db,
363 AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]),
364 [srv_libthread_db_path="${withval}"
365 srv_libs="$srv_libthread_db_path"
368 if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then
369 AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
372 if test "$srv_xmlfiles" != ""; then
373 srv_xmlbuiltin="xml-builtin.o"
374 AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
376 tmp_xmlfiles=$srv_xmlfiles
378 for f in $tmp_xmlfiles; do
379 srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
383 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
384 GDBSERVER_LIBS="$srv_libs"
386 dnl Check whether the target supports __sync_*_compare_and_swap.
388 [whether the target supports __sync_*_compare_and_swap],
389 [gdbsrv_cv_have_sync_builtins],
394 bar = __sync_val_compare_and_swap(&foo, 0, 1);]
396 [gdbsrv_cv_have_sync_builtins=yes],
397 [gdbsrv_cv_have_sync_builtins=no]
400 if test "$gdbsrv_cv_have_sync_builtins" = yes; then
401 AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
402 [Define to 1 if the target supports __sync_*_compare_and_swap])
405 dnl Check for -fvisibility=hidden support in the compiler.
406 saved_cflags="$CFLAGS"
407 CFLAGS="$CFLAGS -fvisibility=hidden"
408 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
409 [gdbsrv_cv_have_visibility_hidden=yes],
410 [gdbsrv_cv_have_visibility_hidden=no])
411 CFLAGS="$saved_cflags"
416 # check whether to enable the inprocess agent
417 if test "$ipa_obj" != "" \
418 -a "$gdbsrv_cv_have_sync_builtins" = yes \
419 -a "$gdbsrv_cv_have_visibility_hidden" = yes; then
425 AC_ARG_ENABLE(inprocess-agent,
426 AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]),
427 [case "$enableval" in
428 yes) want_ipa=true ;;
429 no) want_ipa=false ;;
430 *) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;;
432 [want_ipa=$have_ipa])
436 IPA_DEPFILES="$ipa_obj"
437 extra_libraries="$extra_libraries libinproctrace.so"
439 AC_MSG_ERROR([inprocess agent not supported for this target])
443 AC_SUBST(GDBSERVER_DEPFILES)
444 AC_SUBST(GDBSERVER_LIBS)
445 AC_SUBST(srv_xmlbuiltin)
446 AC_SUBST(srv_xmlfiles)
447 AC_SUBST(IPA_DEPFILES)
448 AC_SUBST(extra_libraries)
450 GNULIB=../gnulib/import
453 if test x"$STDINT_H" != x; then
454 GNULIB_STDINT_H=$GNULIB/$STDINT_H
456 AC_SUBST(GNULIB_STDINT_H)
458 AC_CONFIG_FILES([Makefile])