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be628ab814
As requested, I'm sending this as a separate patch because it is ready to be included as-is. The idea here is that both gdb/terminal.h and gdb/gdbserver/terminal.h share the same code, which is responsible for setting a bunch of defines on based on the presence of termios.h and a few other headers. This simple patch just moves this common code to common/gdb_termios.h and makes the necessary adjustments on both GDB and gdbserver so that they can use this new header. It also implements the some header checks on common/common.m4. As a bonus, gdb/gdbserver/terminal.h can be removed because it's now empty. Built on x86_64, no regressions found. gdb/ChangeLog: 2017-04-12 Sergio Durigan Junior <sergiodj@redhat.com> * Makefile.in (HFILES_NO_SRCDIR): Add "common/gdb_termios.h". * common/common.m4: Check headers 'termios.h', 'termio.h' and 'sgtty.h'. * common/gdb_termios.h: New file, with parts of "terminal.h". * inflow.c: Include "gdb_termios.h". * ser-unix.c: Include "gdb_termios.h". * terminal.h: Move terminal-related defines to "common/gdb_termios.h". gdb/gdbserver/ChangeLog: 2017-04-12 Sergio Durigan Junior <sergiodj@redhat.com> * remote-utils.c: Include "gdb_termios.h" instead of "terminal.h". * terminal.h: Delete file.
49 lines
1.8 KiB
Plaintext
49 lines
1.8 KiB
Plaintext
dnl Autoconf configure snippets for common.
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dnl Copyright (C) 1995-2017 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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AC_HEADER_STDC
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AC_FUNC_ALLOCA
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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 sys/syscall.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 termio.h sgtty.h)
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AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 socketpair sigaction])
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AC_CHECK_DECLS([strerror, strstr])
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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([for sigsetjmp], gdb_cv_func_sigsetjmp,
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[AC_TRY_COMPILE([
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#include <setjmp.h>
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], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
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gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
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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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])
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