1 dnl Autoconf configure snippets for common.
2 dnl Copyright (C) 1995-2022 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 Invoke configury needed by the files in 'common'.
20 AC_DEFUN([GDB_AC_COMMON], [
21 # Set the 'development' global.
22 . $srcdir/../bfd/development.sh
30 AC_DEFINE(USE_WIN32API, 1,
31 [Define if we should use the Windows API, instead of the
32 POSIX API. On Windows, we use the Windows API when
33 building for MinGW, but the POSIX API when building
35 WIN32APILIBS="-lws2_32"
39 dnl Note that this requires codeset.m4, which is included
40 dnl by the users of common.m4.
43 AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl
44 sys/resource.h sys/socket.h dnl
45 sys/un.h sys/wait.h dnl
46 thread_db.h wait.h dnl
49 linux/elf.h proc_service.h dnl
50 poll.h sys/poll.h sys/select.h)
54 AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 poll socketpair sigaction \
55 ptrace64 sbrk setns sigaltstack sigprocmask \
56 setpgid setpgrp getrusage getauxval sigtimedwait])
58 # This is needed for RHEL 5 and uclibc-ng < 1.0.39.
59 # These did not define ADDR_NO_RANDOMIZE in sys/personality.h,
60 # only in linux/personality.h.
61 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
63 AC_CHECK_DECLS([strstr])
65 # ----------------------- #
66 # Checks for structures. #
67 # ----------------------- #
69 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
71 # On FreeBSD we need libutil for the kinfo_get* functions. On
72 # GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
73 # Figure out which one to use.
74 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd)
76 # Define HAVE_KINFO_GETFILE if kinfo_getfile is available.
77 AC_CHECK_FUNCS(kinfo_getfile)
79 # ----------------------- #
80 # Check for threading. #
81 # ----------------------- #
83 AC_ARG_ENABLE(threading,
84 AS_HELP_STRING([--enable-threading], [include support for parallel processing of data (yes/no)]),
86 yes) want_threading=yes ;;
87 no) want_threading=no ;;
88 *) AC_MSG_ERROR([bad value $enableval for threading]) ;;
92 # Check for std::thread. This does not work on some platforms, like
95 AX_PTHREAD([threads=yes], [threads=no])
97 LIBS="$PTHREAD_LIBS $LIBS"
98 save_CXXFLAGS="$CXXFLAGS"
99 CXXFLAGS="$PTHREAD_CFLAGS $save_CXXFLAGS"
100 AC_CACHE_CHECK([for std::thread],
101 gdb_cv_cxx_std_thread,
102 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
104 void callback() { }]],
105 [[std::thread t(callback);]])],
106 gdb_cv_cxx_std_thread=yes,
107 gdb_cv_cxx_std_thread=no)])
109 if test "$threads" = "yes"; then
110 # This check must be here, while LIBS includes any necessary
112 AC_CHECK_FUNCS([pthread_sigmask pthread_setname_np])
115 CXXFLAGS="$save_CXXFLAGS"
117 if test "$want_threading" = "yes"; then
118 if test "$gdb_cv_cxx_std_thread" = "yes"; then
119 AC_DEFINE(CXX_STD_THREAD, 1,
120 [Define to 1 if std::thread works.])
125 dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't
126 dnl do since sigsetjmp might only be defined as a macro.
129 [gdb_cv_func_sigsetjmp],
132 [#include <setjmp.h>],
134 while (! sigsetjmp (env, 1))
135 siglongjmp (env, 1);]
137 [gdb_cv_func_sigsetjmp=yes],
138 [gdb_cv_func_sigsetjmp=no]
141 if test "$gdb_cv_func_sigsetjmp" = "yes"; then
142 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
145 AC_ARG_WITH(intel_pt,
146 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
147 [], [with_intel_pt=auto])
148 AC_MSG_CHECKING([whether to use intel pt])
149 AC_MSG_RESULT([$with_intel_pt])
151 if test "${with_intel_pt}" = no; then
152 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
155 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
156 #include <linux/perf_event.h>
157 #ifndef PERF_ATTR_SIZE_VER5
160 ]])], [perf_event=yes], [perf_event=no])
161 if test "$perf_event" != yes; then
162 if test "$with_intel_pt" = yes; then
163 AC_MSG_ERROR([linux/perf_event.h missing or too old])
165 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
169 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
170 if test "$HAVE_LIBIPT" != yes; then
171 if test "$with_intel_pt" = yes; then
172 AC_MSG_ERROR([libipt is missing or unusable])
174 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
179 AC_CHECK_FUNCS(pt_insn_event)
180 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
181 [#include <intel-pt.h>])
186 # Check if the compiler and runtime support printing long longs.
188 AC_CACHE_CHECK([for long long support in printf],
189 gdb_cv_printf_has_long_long,
190 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
193 l = (l << 16) + 0x0123;
194 l = (l << 16) + 0x4567;
195 l = (l << 16) + 0x89ab;
196 l = (l << 16) + 0xcdef;
197 sprintf (buf, "0x%016llx", l);
198 return (strcmp ("0x0123456789abcdef", buf));]])],
199 gdb_cv_printf_has_long_long=yes,
200 gdb_cv_printf_has_long_long=no,
201 gdb_cv_printf_has_long_long=no)])
202 if test "$gdb_cv_printf_has_long_long" = yes; then
203 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
204 [Define to 1 if the "%ll" format works to print long longs.])
208 if test "$ac_cv_header_sys_procfs_h" = yes; then
209 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
210 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
211 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
212 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
213 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
214 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
215 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
216 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)