1 dnl Autoconf configure snippets for common.
2 dnl Copyright (C) 1995-2021 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 Invoke configury needed by the files in 'common'.
20 AC_DEFUN([GDB_AC_COMMON], [
21 # Set the 'development' global.
22 . $srcdir/../bfd/development.sh
30 AC_DEFINE(USE_WIN32API, 1,
31 [Define if we should use the Windows API, instead of the
32 POSIX API. On Windows, we use the Windows API when
33 building for MinGW, but the POSIX API when building
35 WIN32APILIBS="-lws2_32"
39 dnl Note that this requires codeset.m4, which is included
40 dnl by the users of common.m4.
43 AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl
44 sys/resource.h sys/socket.h dnl
45 sys/un.h sys/wait.h dnl
46 thread_db.h wait.h dnl
49 linux/elf.h proc_service.h dnl
50 poll.h sys/poll.h sys/select.h)
54 AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 poll socketpair sigaction \
55 ptrace64 sbrk setns sigaltstack sigprocmask \
56 setpgid setpgrp getrusage getauxval sigtimedwait])
58 # This is needed for RHEL 5 and uclibc-ng < 1.0.39.
59 # These did not define ADDR_NO_RANDOMIZE in sys/personality.h,
60 # only in linux/personality.h.
61 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
63 AC_CHECK_DECLS([strstr])
65 # ----------------------- #
66 # Checks for structures. #
67 # ----------------------- #
69 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
71 # On FreeBSD we need libutil for the kinfo_get* functions. On
72 # GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
73 # Figure out which one to use.
74 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd)
76 # Define HAVE_KINFO_GETFILE if kinfo_getfile is available.
77 AC_CHECK_FUNCS(kinfo_getfile)
79 # Check for std::thread. This does not work on some platforms, like
82 AX_PTHREAD([threads=yes], [threads=no])
83 if test "$threads" = "yes"; then
85 LIBS="$PTHREAD_LIBS $LIBS"
86 save_CXXFLAGS="$CXXFLAGS"
87 CXXFLAGS="$PTHREAD_CFLAGS $save_CXXFLAGS"
88 AC_CACHE_CHECK([for std::thread],
89 gdb_cv_cxx_std_thread,
90 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
92 void callback() { }]],
93 [[std::thread t(callback);]])],
94 gdb_cv_cxx_std_thread=yes,
95 gdb_cv_cxx_std_thread=no)])
97 # This check must be here, while LIBS includes any necessary
99 AC_CHECK_FUNCS([pthread_sigmask pthread_setname_np])
102 CXXFLAGS="$save_CXXFLAGS"
104 if test "$gdb_cv_cxx_std_thread" = "yes"; then
105 AC_DEFINE(CXX_STD_THREAD, 1,
106 [Define to 1 if std::thread works.])
110 dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't
111 dnl do since sigsetjmp might only be defined as a macro.
114 [gdb_cv_func_sigsetjmp],
117 [#include <setjmp.h>],
119 while (! sigsetjmp (env, 1))
120 siglongjmp (env, 1);]
122 [gdb_cv_func_sigsetjmp=yes],
123 [gdb_cv_func_sigsetjmp=no]
126 if test "$gdb_cv_func_sigsetjmp" = "yes"; then
127 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
130 AC_ARG_WITH(intel_pt,
131 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
132 [], [with_intel_pt=auto])
133 AC_MSG_CHECKING([whether to use intel pt])
134 AC_MSG_RESULT([$with_intel_pt])
136 if test "${with_intel_pt}" = no; then
137 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
140 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
141 #include <linux/perf_event.h>
142 #ifndef PERF_ATTR_SIZE_VER5
145 ]])], [perf_event=yes], [perf_event=no])
146 if test "$perf_event" != yes; then
147 if test "$with_intel_pt" = yes; then
148 AC_MSG_ERROR([linux/perf_event.h missing or too old])
150 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
154 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
155 if test "$HAVE_LIBIPT" != yes; then
156 if test "$with_intel_pt" = yes; then
157 AC_MSG_ERROR([libipt is missing or unusable])
159 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
164 AC_CHECK_FUNCS(pt_insn_event)
165 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
166 [#include <intel-pt.h>])
172 if test "$ac_cv_header_sys_procfs_h" = yes; then
173 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
174 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
175 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
176 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
177 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
178 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
179 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
180 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)