binutils-gdb/gdb/gnulib/configure.ac
Simon Marchi 39be3c7e98 Add silent Makefile rules
Many projects (e.g. the Linux kernel) and build systems use "silent"
rules, which means that they'll only print a summary of what's being
done instead of printing all the detailed command lines.  While chatting
on the #gdb IRC channel, I realized a few people (including me) thought
it would be nice to have it in GDB too.

The idea is that too much text is not useful, the important information
gets lost.  If there's only the essential information, it's more likely
to be useful.  Most of the time, when I look at the build output, it's
to see how it's progressing.  By just printing a brief summary of each
operation, I can easily spot what's currently being compiled and
therefore how the build progresses (with time you know the order in
which files are compiled almost by heart).

As with other projects (Linux, automake-based things, probably others),
it's possible to print the complete command lines by passing V=1 to make
(or any other non-zero value).

I had one hesitation about this: when people report build failures, we
are more likely to miss the full compile command line.  We'll probably
sometimes need to ask people to include the build log with "make V=1".
I don't think it's a big downside, if other projects the size of the
Linux kernel can live with it, I'm sure we can too.

gdb/ChangeLog:

	* silent-rules.mk: New.
	* Makefile.in: Include silent-rules.mk
	(srcdir, VPATH, top_srcdir): Move up.
	(COMPILE): Add ECHO_CXX.
	(test-cp-name-parser$(EXEEXT)): Add ECHO_CXXLD.
	(init.c): Add ECHO_INIT_C.
	(gdb$(EXEEXT)): Add SILENCE and ECHO_CXXLD.
	(version.c): Add ECHO_GEN.
	(printcmd.o): Add ECHO_CXX.
	(target-float.o): Add ECHO_CXX.
	(ada-exp.o): Add ECHO_CXX.
	(stamp-xml): Add SILENCE and ECHO_GEN_XML_BUILTIN.
	(insight$(EXEEXT)): Add ECHO_CXXLD.
	* gnulib/configure.ac: Add AM_SILENT_RULES.
	* gnulib/aclocal.m4: Re-generate.
	* gnulib/configure: Re-generate.
	* gnulib/import/Makefile.in: Re-generate.

gdb/gdbserver/ChangeLog:

	* Makefile.in: Include silent-rules.mk.
	(srcdir, abs_top_srcdir, abs_srcdir, VPATH): Move up.
	(COMPILE): Add ECHO_CXX.
	(gdbserver$(EXEEXT)): Add SILENCE and ECHO_CXXLD.
	(gdbreplay$(EXEEXT)): Add SILENCE and ECHO_CXXLD.
	($(IPA_LIB)): Add SILENCE and ECHO_CXXLD.
	(version-generated.c): Add ECHO_GEN.
	(stamp-xml): Add SILENCE and ECHO_GEN_XML_BUILTIN_GENERATED.
	(IPAGENT_COMPILE): Add ECHO_CXX.
	(%-generated.c): Add ECHO_REGDAT.
2018-03-16 16:30:25 -04:00

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dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright (C) 1995-2018 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.64)dnl
AC_INIT(import/memmem.c)
AC_CONFIG_HEADER(config.h:config.in)
AM_MAINTAINER_MODE
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS
gl_EARLY
AM_PROG_CC_STDC
AC_CONFIG_AUX_DIR(../..)
AC_CANONICAL_SYSTEM
gl_INIT
# We don't use automake, but gnulib does. This line lets us generate
# its Makefile.in.
AM_INIT_AUTOMAKE(libgnu, UNUSED-VERSION, [no-define])
AM_SILENT_RULES([yes])
# --------------------- #
# Checks for programs. #
# --------------------- #
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB
AC_CHECK_TOOL(AR, ar)
# ---------------------- #
# Checks for libraries. #
# ---------------------- #
AC_OUTPUT(Makefile import/Makefile,
[
case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
])
exit 0