270c993744
The goal of this patch is to provide an easy way to make --disable-werror the default when building binutils, or the parts of binutils that need to get built when building GDB. In development mode, we want to continue making -Werror the default with GCC. But, when making releases, I think we want to make it as easy as possible for regular users to successfully build from sources. GDB already has this kind of feature to turn -Werror as well as the use of the libmcheck library. As GDB Release Manager, I take advantage of it to turn those off after having cut the branch. I'd like to be able to do the same for the binutils bits. And perhaps Tristan will want to do the same for his releases too (not sure, binutils builders might be a little savvier than GDB builders). This patch introduces a new file, called development.sh, which just sets a variable called $development. In our development branches (Eg. "master"), it's set to true. But setting it to false would allow us to change the default behavior of various development-related features to be turned off; in this case, it turns off the use of -Werror by default (use --enable-werror to turn it back on). bfd/ChangeLog: * development.sh: New file. * warning.m4 (AM_BINUTILS_WARNINGS): Source bfd/development.sh. Make -Werror the default with GCC only if DEVELOPMENT is true. * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add $(srcdir)/development.sh. * Makefile.in, configure: Regenerate. binutils/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on bfd's development.sh. * Makefile.in, configure: Regenerate. gas/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on bfd's development.sh. * Makefile.in, configure: Regenerate. gold/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): New. * Makefile.in, configure: Regenerate. gprof/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on bfd's development.sh. * Makefile.in, configure: Regenerate. ld/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on bfd's development.sh. * Makefile.in, configure: Regenerate. opcodes/ChangeLog: * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on bfd's development.sh. * Makefile.in, configure: Regenerate. gdb/ChangeLog: * development.sh: Delete. * Makefile.in (config.status): Adjust dependency on development.sh. * configure.ac: Adjust development.sh source call. * configure: Regenerate. gdb/gdbserver/ChangeLog: * configure.ac: Adjust development.sh source call. * Makefile.in (config.status): Adjust dependency on development.sh. * configure: Regenerate. Tested on x86_64-linux by building two ways: One with DEVELOPMENT set to true, and one with DEVELOPMENT set to false. In the first case, I could see the use of -Werror, while it disappeared in the second case.
365 lines
9.7 KiB
Makefile
365 lines
9.7 KiB
Makefile
## Process this file with automake to generate Makefile.in
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#
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# Copyright (C) 2006-2014 Free Software Foundation, Inc.
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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#
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AUTOMAKE_OPTIONS = foreign
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SUBDIRS = po testsuite
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tooldir = $(exec_prefix)/$(target_alias)
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ACLOCAL_AMFLAGS = -I ../bfd -I ../config
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AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
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AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
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AM_CPPFLAGS = \
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-I$(srcdir) -I$(srcdir)/../include -I$(srcdir)/../elfcpp \
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-DLOCALEDIR="\"$(datadir)/locale\"" \
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-DBINDIR="\"$(bindir)\"" -DTOOLBINDIR="\"$(tooldir)/bin\"" \
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-DTOOLLIBDIR="\"$(tooldir)/lib\"" @INCINTL@
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LIBIBERTY = ../libiberty/libiberty.a
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if PLUGINS
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LIBDL = @DLOPEN_LIBS@
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endif
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if THREADS
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THREADSLIB = -lpthread
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endif
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AM_YFLAGS = -d
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# Automake 1.10+ disables lex and yacc output file regeneration if
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# maintainer mode is disabled. Avoid this.
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am__skiplex =
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am__skipyacc =
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bin_PROGRAMS = dwp
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noinst_PROGRAMS = ld-new incremental-dump
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noinst_LIBRARIES = libgold.a
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CCFILES = \
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archive.cc \
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attributes.cc \
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binary.cc \
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common.cc \
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compressed_output.cc \
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copy-relocs.cc \
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cref.cc \
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defstd.cc \
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descriptors.cc \
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dirsearch.cc \
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dynobj.cc \
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dwarf_reader.cc \
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ehframe.cc \
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errors.cc \
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expression.cc \
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fileread.cc \
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gc.cc \
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gdb-index.cc \
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gold.cc \
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gold-threads.cc \
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icf.cc \
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incremental.cc \
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int_encoding.cc \
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layout.cc \
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mapfile.cc \
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merge.cc \
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nacl.cc \
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object.cc \
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options.cc \
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output.cc \
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parameters.cc \
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plugin.cc \
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readsyms.cc \
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reduced_debug_output.cc \
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reloc.cc \
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resolve.cc \
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script-sections.cc \
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script.cc \
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stringpool.cc \
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symtab.cc \
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target.cc \
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target-select.cc \
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timer.cc \
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version.cc \
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workqueue.cc \
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workqueue-threads.cc
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HFILES = \
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arm-reloc-property.h \
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archive.h \
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attributes.h \
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binary.h \
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common.h \
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compressed_output.h \
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copy-relocs.h \
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cref.h \
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defstd.h \
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dirsearch.h \
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descriptors.h \
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dynobj.h \
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dwarf_reader.h \
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ehframe.h \
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errors.h \
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fileread.h \
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freebsd.h \
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gc.h \
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gdb-index.h \
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gold.h \
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gold-threads.h \
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icf.h \
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int_encoding.h \
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layout.h \
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mapfile.h \
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merge.h \
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nacl.h \
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object.h \
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options.h \
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output.h \
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parameters.h \
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plugin.h \
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readsyms.h \
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reduced_debug_output.h \
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reloc.h \
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reloc-types.h \
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script-c.h \
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script-sections.h \
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script.h \
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stringpool.h \
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symtab.h \
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target.h \
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target-reloc.h \
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target-select.h \
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timer.h \
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tls.h \
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token.h \
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workqueue.h \
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workqueue-internal.h
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YFILES = \
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yyscript.y
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DEFFILES = arm-reloc.def
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EXTRA_DIST = yyscript.c yyscript.h
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TARGETSOURCES = \
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i386.cc x86_64.cc sparc.cc powerpc.cc arm.cc arm-reloc-property.cc tilegx.cc
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ALL_TARGETOBJS = \
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i386.$(OBJEXT) x86_64.$(OBJEXT) sparc.$(OBJEXT) powerpc.$(OBJEXT) \
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arm.$(OBJEXT) arm-reloc-property.$(OBJEXT) tilegx.$(OBJEXT)
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libgold_a_SOURCES = $(CCFILES) $(HFILES) $(YFILES) $(DEFFILES)
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libgold_a_LIBADD = $(LIBOBJS)
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sources_var = main.cc
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deps_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL_DEP)
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ldadd_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) \
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$(THREADSLIB) $(LIBDL)
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ldflags_var = $(GOLD_LDFLAGS)
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ld_new_SOURCES = $(sources_var)
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ld_new_DEPENDENCIES = $(deps_var)
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ld_new_LDADD = $(ldadd_var)
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ld_new_LDFLAGS = $(ldflags_var)
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EXTRA_ld_new_SOURCES = $(TARGETSOURCES)
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incremental_dump_SOURCES = incremental-dump.cc
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incremental_dump_DEPENDENCIES = $(TARGETOBJS) libgold.a $(LIBIBERTY) \
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$(LIBINTL_DEP)
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incremental_dump_LDADD = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL) \
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$(THREADSLIB) $(LIBDL)
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dwp_SOURCES = dwp.cc
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dwp_DEPENDENCIES = libgold.a $(LIBIBERTY) $(LIBINTL_DEP)
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dwp_LDADD = libgold.a $(LIBIBERTY) $(GOLD_LDADD) $(LIBINTL) $(THREADSLIB) \
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$(LIBDL)
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dwp_LDFLAGS = $(GOLD_LDFLAGS)
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CONFIG_STATUS_DEPENDENCIES = $(srcdir)/../bfd/development.sh
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# Use an explicit dependency for the bison generated header file.
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expression.$(OBJEXT): yyscript.h
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script-sections.$(OBJEXT): yyscript.h
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script.$(OBJEXT): yyscript.h
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# We have to build libgold.a before we run the tests.
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check: libgold.a
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.PHONY: install-exec-local
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install-exec-local: ld-new$(EXEEXT)
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$(mkinstalldirs) $(DESTDIR)$(bindir) $(DESTDIR)$(tooldir)/bin
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n=`echo $(installed_linker) | sed '$(transform)'`; \
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$(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) \
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ld-new$(EXEEXT) $(DESTDIR)$(bindir)/$${n}$(EXEEXT); \
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if test "$(bindir)" != "$(tooldir)/bin"; then \
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rm -f $(DESTDIR)$(tooldir)/bin/$(installed_linker)$(EXEEXT); \
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ln $(DESTDIR)$(bindir)/$${n}$(EXEEXT) $(DESTDIR)$(tooldir)/bin/$(installed_linker)$(EXEEXT) >/dev/null 2>/dev/null \
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|| $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) ld-new$(EXEEXT) $(DESTDIR)$(tooldir)/bin/$(installed_linker)$(EXEEXT); \
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fi; \
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if test "x$(install_as_default)" = "xyes"; then \
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ld=`echo ld | sed '$(transform)'`; \
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rm -f $(DESTDIR)$(bindir)/$${ld}$(EXEEXT); \
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ln $(DESTDIR)$(bindir)/$${n}$(EXEEXT) $(DESTDIR)$(bindir)/$${ld}$(EXEEXT) >/dev/null 2>/dev/null \
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|| $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) ld-new$(EXEEXT) $(DESTDIR)$(bindir)/$${ld}$(EXEEXT); \
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if test "$(bindir)" != "$(tooldir)/bin"; then \
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rm -f $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT); \
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ln $(DESTDIR)$(bindir)/$${n}$(EXEEXT) $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT) >/dev/null 2>/dev/null \
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|| $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) ld-new$(EXEEXT) $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT); \
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fi; \
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fi
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# We want install to imply install-info as per GNU standards, despite
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# the cygnus option.
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install-data-local: install-info
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POTFILES= $(CCFILES) $(HFILES) $(TARGETSOURCES)
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po/POTFILES.in: @MAINT@ Makefile
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for f in $(POTFILES); do echo $$f; done | LC_ALL=C sort > tmp \
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&& mv tmp $(srcdir)/po/POTFILES.in
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# Bootstrap test support. We use ld-new to build ld1, then use ld1 to
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# build ld2. ld1 and ld2 should be identical. ld-new need not be
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# identical to ld1, since it was linked with the host linker.
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if GCC
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if NATIVE_LINKER
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gcctestdir1/ld: ld-new
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test -d gcctestdir1 || mkdir -p gcctestdir1
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rm -f gcctestdir1/ld
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(cd gcctestdir1 && $(LN_S) ../ld-new ld)
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ld1_SOURCES = $(sources_var)
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ld1_DEPENDENCIES = $(deps_var) gcctestdir1/ld
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ld1_LDADD = $(ldadd_var)
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ld1_LDFLAGS = -Bgcctestdir1/
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gcctestdir2/ld: ld1
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test -d gcctestdir2 || mkdir -p gcctestdir2
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rm -f gcctestdir2/ld
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(cd gcctestdir2 && $(LN_S) ../ld1 ld)
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ld2_SOURCES = $(sources_var)
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ld2_DEPENDENCIES = $(deps_var) gcctestdir2/ld
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ld2_LDADD = $(ldadd_var)
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ld2_LDFLAGS = -Bgcctestdir2/
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bootstrap-test: ld2
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rm -f $@
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echo "#!/bin/sh" > $@
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echo "cmp ld1 ld2" >> $@
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chmod +x $@
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libgold-1-r.o: gcctestdir1/ld libgold.a
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gcctestdir1/ld -o $@ -r --whole-archive libgold.a
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ld1_r_SOURCES = $(sources_var)
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ld1_r_DEPENDENCIES = libgold-1-r.o $(deps_var) gcctestdir1/ld
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ld1_r_LDADD = libgold-1-r.o $(ldadd_var)
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ld1_r_LDFLAGS = -Bgcctestdir1/
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gcctestdir2-r/ld: ld1-r
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test -d gcctestdir2-r || mkdir -p gcctestdir2-r
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rm -f gcctestdir2-r/ld
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(cd gcctestdir2-r && $(LN_S) ../ld1-r ld)
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libgold-2-r.o: gcctestdir2-r/ld libgold.a
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gcctestdir2-r/ld -o $@ -r --whole-archive libgold.a
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ld2_r_SOURCES = $(sources_var)
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ld2_r_DEPENDENCIES = libgold-2-r.o $(deps_var) gcctestdir2-r/ld
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ld2_r_LDADD = libgold-2-r.o $(ldadd_var)
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ld2_r_LDFLAGS = -Bgcctestdir2-r/
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bootstrap-test-r: ld2-r
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rm -f $@
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echo "#!/bin/sh" > $@
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echo "cmp ld1-r ld2-r" >> $@
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chmod +x $@
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check_PROGRAMS = ld1 ld2 ld1-r ld2-r
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TESTS = bootstrap-test bootstrap-test-r
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# Verify that changing the number of threads doesn't change the
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# treehash computation, by building ld1 and ld3 the same way except
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# for the number of threads. However, the build ID should change if
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# we change the chunk size for --build-id=tree, so ld4 should be
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# different. We run the latter test even if multithreading is unavailable,
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# because the treehash can still operate in that mode.
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check_PROGRAMS += ld4
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TESTS += bootstrap-test-treehash-chunksize
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gcctestdir3/ld: ld-new
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test -d gcctestdir3 || mkdir -p gcctestdir3
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rm -f gcctestdir3/ld
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(cd gcctestdir3 && $(LN_S) ../ld-new ld)
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ld3_SOURCES = $(sources_var)
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ld3_DEPENDENCIES = $(deps_var) gcctestdir3/ld
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ld3_LDADD = $(ldadd_var)
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ld3_LDFLAGS = -Bgcctestdir3/
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gcctestdir4/ld: ld-new
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test -d gcctestdir4 || mkdir -p gcctestdir4
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rm -f gcctestdir4/ld
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(cd gcctestdir4 && $(LN_S) ../ld-new ld)
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ld4_SOURCES = $(sources_var)
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ld4_DEPENDENCIES = $(deps_var) gcctestdir4/ld
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ld4_LDADD = $(ldadd_var)
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ld4_LDFLAGS = -Bgcctestdir4/
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ld1_LDFLAGS += -Wl,--build-id=tree -Wl,--build-id-chunk-size-for-treehash=12345 -Wl,--build-id-min-file-size-for-treehash=0
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ld2_LDFLAGS += -Wl,--build-id=tree -Wl,--build-id-chunk-size-for-treehash=12345 -Wl,--build-id-min-file-size-for-treehash=0
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ld3_LDFLAGS += -Wl,--build-id=tree -Wl,--build-id-chunk-size-for-treehash=12345 -Wl,--build-id-min-file-size-for-treehash=0
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ld4_LDFLAGS += -Wl,--build-id=tree -Wl,--build-id-chunk-size-for-treehash=12346 -Wl,--build-id-min-file-size-for-treehash=0
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if THREADS
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ld1_LDFLAGS += -Wl,--thread-count=3
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ld2_LDFLAGS += -Wl,--thread-count=3
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ld3_LDFLAGS += -Wl,--thread-count=13
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ld4_LDFLAGS += -Wl,--thread-count=3
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check_PROGRAMS += ld3
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TESTS += bootstrap-test-treehash-chunksize
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bootstrap-test-treehash: ld1 ld3
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rm -f $@
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echo "#!/bin/sh" > $@
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echo "cmp ld1 ld3" >> $@
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chmod +x $@
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endif
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bootstrap-test-treehash-chunksize: ld1 ld4
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rm -f $@
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echo "#!/bin/sh" > $@
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echo "cmp ld1 ld4 | grep ." >> $@
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chmod +x $@
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endif
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endif
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