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https://sourceware.org/git/binutils-gdb.git
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213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
247 lines
7.6 KiB
Plaintext
247 lines
7.6 KiB
Plaintext
dnl Autoconf configure snippets for common.
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dnl Copyright (C) 1995-2023 Free Software Foundation, Inc.
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dnl
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dnl This file is part of GDB.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl Invoke configury needed by the files in 'common'.
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AC_DEFUN([GDB_AC_COMMON], [
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# Set the 'development' global.
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. $srcdir/../bfd/development.sh
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AC_HEADER_STDC
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AC_FUNC_ALLOCA
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WIN32APILIBS=
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case ${host} in
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*mingw32*)
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AC_DEFINE(USE_WIN32API, 1,
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[Define if we should use the Windows API, instead of the
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POSIX API. On Windows, we use the Windows API when
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building for MinGW, but the POSIX API when building
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for Cygwin.])
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WIN32APILIBS="-lws2_32"
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;;
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esac
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dnl Note that this requires codeset.m4, which is included
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dnl by the users of common.m4.
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AM_LANGINFO_CODESET
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AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl
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sys/resource.h sys/socket.h dnl
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sys/un.h sys/wait.h dnl
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thread_db.h wait.h dnl
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termios.h dnl
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dlfcn.h dnl
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linux/elf.h proc_service.h dnl
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poll.h sys/poll.h sys/select.h)
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AC_FUNC_MMAP
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AC_FUNC_FORK
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AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 poll socketpair sigaction \
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ptrace64 sbrk setns sigaltstack sigprocmask \
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setpgid setpgrp getrusage getauxval sigtimedwait])
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# This is needed for RHEL 5 and uclibc-ng < 1.0.39.
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# These did not define ADDR_NO_RANDOMIZE in sys/personality.h,
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# only in linux/personality.h.
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AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
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AC_CHECK_DECLS([strstr])
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# ----------------------- #
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# Checks for structures. #
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# ----------------------- #
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AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
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# On FreeBSD we need libutil for the kinfo_get* functions. On
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# GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
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# Figure out which one to use.
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AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd)
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# Define HAVE_KINFO_GETFILE if kinfo_getfile is available.
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AC_CHECK_FUNCS(kinfo_getfile)
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# ----------------------- #
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# Check for threading. #
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# ----------------------- #
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AC_ARG_ENABLE(threading,
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AS_HELP_STRING([--enable-threading], [include support for parallel processing of data (yes/no)]),
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[case "$enableval" in
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yes) want_threading=yes ;;
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no) want_threading=no ;;
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*) AC_MSG_ERROR([bad value $enableval for threading]) ;;
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esac],
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[want_threading=yes])
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# Check for std::thread. This does not work on some platforms, like
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# mingw and DJGPP.
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AC_LANG_PUSH([C++])
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AX_PTHREAD([threads=yes], [threads=no])
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save_LIBS="$LIBS"
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LIBS="$PTHREAD_LIBS $LIBS"
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save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$PTHREAD_CFLAGS $save_CXXFLAGS"
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AC_CACHE_CHECK([for std::thread],
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gdb_cv_cxx_std_thread,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[#include <thread>
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void callback() { }]],
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[[std::thread t(callback);]])],
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gdb_cv_cxx_std_thread=yes,
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gdb_cv_cxx_std_thread=no)])
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if test "$threads" = "yes"; then
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# This check must be here, while LIBS includes any necessary
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# threading library.
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AC_CHECK_FUNCS([pthread_sigmask pthread_setname_np])
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fi
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LIBS="$save_LIBS"
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CXXFLAGS="$save_CXXFLAGS"
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if test "$want_threading" = "yes"; then
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if test "$gdb_cv_cxx_std_thread" = "yes"; then
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AC_DEFINE(CXX_STD_THREAD, 1,
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[Define to 1 if std::thread works.])
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fi
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fi
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AC_LANG_POP
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dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't
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dnl do since sigsetjmp might only be defined as a macro.
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AC_CACHE_CHECK(
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[for sigsetjmp],
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[gdb_cv_func_sigsetjmp],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <setjmp.h>],
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[sigjmp_buf env;
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while (! sigsetjmp (env, 1))
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siglongjmp (env, 1);]
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)],
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[gdb_cv_func_sigsetjmp=yes],
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[gdb_cv_func_sigsetjmp=no]
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)]
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)
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if test "$gdb_cv_func_sigsetjmp" = "yes"; then
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AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
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fi
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AC_ARG_WITH(intel_pt,
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AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
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[], [with_intel_pt=auto])
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AC_MSG_CHECKING([whether to use intel pt])
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AC_MSG_RESULT([$with_intel_pt])
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if test "${with_intel_pt}" = no; then
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AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
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HAVE_LIBIPT=no
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else
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AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
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#include <linux/perf_event.h>
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#ifndef PERF_ATTR_SIZE_VER5
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# error
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#endif
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]])], [perf_event=yes], [perf_event=no])
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if test "$perf_event" != yes; then
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if test "$with_intel_pt" = yes; then
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AC_MSG_ERROR([linux/perf_event.h missing or too old])
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else
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AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
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fi
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fi
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AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
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if test "$HAVE_LIBIPT" != yes; then
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if test "$with_intel_pt" = yes; then
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AC_MSG_ERROR([libipt is missing or unusable])
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else
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AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
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fi
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else
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save_LIBS=$LIBS
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LIBS="$LIBS $LIBIPT"
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AC_CHECK_FUNCS(pt_insn_event)
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AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
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[#include <intel-pt.h>])
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LIBS=$save_LIBS
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fi
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fi
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# Check if the compiler and runtime support printing long longs.
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AC_CACHE_CHECK([for long long support in printf],
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gdb_cv_printf_has_long_long,
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[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
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[[char buf[32];
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long long l = 0;
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l = (l << 16) + 0x0123;
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l = (l << 16) + 0x4567;
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l = (l << 16) + 0x89ab;
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l = (l << 16) + 0xcdef;
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sprintf (buf, "0x%016llx", l);
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return (strcmp ("0x0123456789abcdef", buf));]])],
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gdb_cv_printf_has_long_long=yes,
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gdb_cv_printf_has_long_long=no,
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gdb_cv_printf_has_long_long=no)])
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if test "$gdb_cv_printf_has_long_long" = yes; then
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AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
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[Define to 1 if the "%ll" format works to print long longs.])
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fi
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BFD_SYS_PROCFS_H
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if test "$ac_cv_header_sys_procfs_h" = yes; then
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BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
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BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
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BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
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BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
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BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
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BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
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BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
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BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
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fi
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])
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dnl Check that the provided value ($1) is either "yes" or "no". If not,
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dnl emit an error message mentionning the configure option $2, and abort
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dnl the script.
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AC_DEFUN([GDB_CHECK_YES_NO_VAL],
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[
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case $1 in
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yes | no)
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;;
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*)
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AC_MSG_ERROR([bad value $1 for $2])
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;;
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esac
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])
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dnl Check that the provided value ($1) is either "yes", "no" or "auto". If not,
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dnl emit an error message mentionning the configure option $2, and abort
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dnl the script.
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AC_DEFUN([GDB_CHECK_YES_NO_AUTO_VAL],
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[
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case $1 in
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yes | no | auto)
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;;
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*)
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AC_MSG_ERROR([bad value $1 for $2])
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;;
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esac
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])
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