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 . $srcdir/../bfd/development.sh
30 AC_DEFINE(USE_WIN32API, 1,
31 [Define if we should use the Windows API, instead of the
32 POSIX API. On Windows, we use the Windows API when
33 building for MinGW, but the POSIX API when building
35 WIN32APILIBS="-lws2_32"
39 dnl Note that this requires codeset.m4, which is included
40 dnl by the users of common.m4.
43 AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl
44 sys/resource.h sys/socket.h dnl
45 sys/un.h sys/wait.h dnl
46 thread_db.h wait.h dnl
49 linux/elf.h proc_service.h dnl
50 poll.h sys/poll.h sys/select.h)
54 AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 poll socketpair sigaction \
55 ptrace64 sbrk setns sigaltstack sigprocmask \
56 setpgid setpgrp getrusage getauxval])
58 AC_CHECK_DECLS([strstr])
60 # ----------------------- #
61 # Checks for structures. #
62 # ----------------------- #
64 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
66 # On FreeBSD we need libutil for the kinfo_get* functions. On
67 # GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
68 # Figure out which one to use.
69 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd)
71 # Define HAVE_KINFO_GETFILE if kinfo_getfile is available.
72 AC_CHECK_FUNCS(kinfo_getfile)
74 # Check for std::thread. This does not work on some platforms, like
77 AX_PTHREAD([threads=yes], [threads=no])
78 if test "$threads" = "yes"; then
80 LIBS="$PTHREAD_LIBS $LIBS"
81 save_CXXFLAGS="$CXXFLAGS"
82 CXXFLAGS="$PTHREAD_CFLAGS $save_CXXFLAGS"
83 AC_CACHE_CHECK([for std::thread],
84 gdb_cv_cxx_std_thread,
85 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
87 void callback() { }]],
88 [[std::thread t(callback);]])],
89 gdb_cv_cxx_std_thread=yes,
90 gdb_cv_cxx_std_thread=no)])
92 # This check must be here, while LIBS includes any necessary
94 AC_CHECK_FUNCS([pthread_sigmask pthread_setname_np])
97 CXXFLAGS="$save_CXXFLAGS"
99 if test "$gdb_cv_cxx_std_thread" = "yes"; then
100 AC_DEFINE(CXX_STD_THREAD, 1,
101 [Define to 1 if std::thread works.])
105 dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't
106 dnl do since sigsetjmp might only be defined as a macro.
109 [gdb_cv_func_sigsetjmp],
112 [#include <setjmp.h>],
114 while (! sigsetjmp (env, 1))
115 siglongjmp (env, 1);]
117 [gdb_cv_func_sigsetjmp=yes],
118 [gdb_cv_func_sigsetjmp=no]
121 if test "$gdb_cv_func_sigsetjmp" = "yes"; then
122 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
125 AC_ARG_WITH(intel_pt,
126 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
127 [], [with_intel_pt=auto])
128 AC_MSG_CHECKING([whether to use intel pt])
129 AC_MSG_RESULT([$with_intel_pt])
131 if test "${with_intel_pt}" = no; then
132 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
135 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
136 #include <linux/perf_event.h>
137 #ifndef PERF_ATTR_SIZE_VER5
140 ]])], [perf_event=yes], [perf_event=no])
141 if test "$perf_event" != yes; then
142 if test "$with_intel_pt" = yes; then
143 AC_MSG_ERROR([linux/perf_event.h missing or too old])
145 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
149 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
150 if test "$HAVE_LIBIPT" != yes; then
151 if test "$with_intel_pt" = yes; then
152 AC_MSG_ERROR([libipt is missing or unusable])
154 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
159 AC_CHECK_FUNCS(pt_insn_event)
160 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
161 [#include <intel-pt.h>])
167 if test "$ac_cv_header_sys_procfs_h" = yes; then
168 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
169 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
170 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
171 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
172 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
173 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
174 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
175 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)