98 lines
3.0 KiB
Plaintext
98 lines
3.0 KiB
Plaintext
#
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# Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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#
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# Makefile for linking with mapfiles.
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#
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# NOTE: Not using a mapfile will expose all your extern functions and
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# extern data symbols as part of your interface, so unless your
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# extern names are safe from being mistaken as names from other
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# libraries, you better use a mapfile, or use a unique naming
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# convention on all your extern symbols.
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#
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# The mapfile will establish versioning by defining the exported interface.
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#
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# The mapfile can also force certain .o files or elf sections into the
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# the different segments of the resulting library/program image.
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#
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# The macro FILES_m can contain any number of mapfiles.
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#
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# Always make sure 'all' is the default rule
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mapfile_default_rule: all
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ifeq ($(PLATFORM), solaris)
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ifeq ($(VARIANT), OPT)
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# OPT build MUST have a mapfile?
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ifndef FILES_m
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FILES_m = mapfile-vers
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endif
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# If we are re-ordering functions in this solaris library, we need to make
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# sure that -xF is added to the compile lines. This option is critical and
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# enables the functions to be reordered.
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ifdef FILES_reorder
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CFLAGS_OPT += -xF
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CXXFLAGS_OPT += -xF
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endif
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INIT += $(TEMPDIR)/mapfile-vers
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$(TEMPDIR)/mapfile-vers : $(FILES_m) $(FILES_reorder)
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$(prep-target)
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$(CAT) $(FILES_m) > $@
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ifdef FILES_reorder
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$(SED) -e 's=OUTPUTDIR=$(OUTPUTDIR)=' $(FILES_reorder) >> $@
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endif
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endif # VARIANT
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ifndef LDNOMAP
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LDMAPFLAGS_OPT = -M$(TEMPDIR)/mapfile-vers
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LDMAPFLAGS_DBG = $(FILES_m:%=-M%)
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endif
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endif # PLATFORM
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ifeq ($(PLATFORM), linux)
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ifeq ($(VARIANT), OPT)
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# OPT build MUST have a mapfile?
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ifndef FILES_m
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FILES_m = mapfile-vers
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endif
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endif # VARIANT
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ifndef LDNOMAP
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LDMAPFLAGS_OPT = $(FILES_m:%=-Xlinker -version-script=%)
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LDMAPFLAGS_DBG = $(FILES_m:%=-Xlinker -version-script=%)
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endif
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endif # PLATFORM
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LDFLAGS_OPT += $(LDMAPFLAGS_OPT)
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LDFLAGS_DBG += $(LDMAPFLAGS_DBG)
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