215 lines
7.0 KiB
Plaintext
215 lines
7.0 KiB
Plaintext
#
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# Copyright (c) 1995, 2007, 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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# Native C/C++ Compile Rules
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#
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#
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# INCREMENTAL_BUILD: Record the #include file dependencies.
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#
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# NOTE: We build make include files with the suffix
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# $(DEPEND_SUFFIX) on every compilation. These are initially
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# created as temp files just in case a ^C kills it in the middle.
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# Compiler is smart enough to handle ^C and not create the .o file, or
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# is supposed to be that smart, but the .$(DEPEND_SUFFIX) file
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# creation here isn't.
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# These .$(DEPEND_SUFFIX) files are included by Library.gmk and
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# Program.gmk, when they exist (Search for 'make dependencies').
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#
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ifeq ($(INCREMENTAL_BUILD),true)
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$(OBJDIR)/%.$(DEPEND_SUFFIX): %.c
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@$(prep-target)
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@$(ECHO) "Creating $@"
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@$(RM) $@.temp
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@$(CC) $(CC_DEPEND) $(CPPFLAGS) $< 2> $(DEV_NULL) | \
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$(CC_DEPEND_FILTER) > $@.temp
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@$(MV) $@.temp $@
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$(OBJDIR)/%.$(DEPEND_SUFFIX): %.cpp
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@$(prep-target)
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@$(ECHO) "Creating $@"
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@$(RM) $@.temp
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@$(CXX) $(CC_DEPEND) $(CPPFLAGS) $(CXXFLAGS) $< 2> $(DEV_NULL) | \
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$(CC_DEPEND_FILTER) > $@.temp
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@$(MV) $@.temp $@
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endif # INCREMENTAL_BUILD
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#
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# C, C++, asm files.
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#
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# Normal or parallel compile rule is the same, but batch compiles require
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# we save up the sources files that use the same compile line so that we
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# can do one compile line.
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#
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ifneq ($(COMPILE_APPROACH), batch)
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$(OBJDIR)/%.$(OBJECT_SUFFIX): %.c
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@$(prep-target)
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$(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $<
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@$(check-conventions)
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$(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp
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@$(prep-target)
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$(COMPILE.cc) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $<
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@$(check-conventions)
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else
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#
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# Batch compiling might be faster if the compiler was smart about recognizing
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# optimization opportunities available when all files are being compiled
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# the same way. Unfortunately this is rare.
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# Automatic pre-compiled headers (pch) might be a possibility so we
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# add any auto pch options here.
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# So we save all the source files that have the same compile line as the
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# first file. A normal compile pass is made after the batch compile
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# to catch anything missed.
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# If the compilers had a -o option that allowed us to direct where to
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# write the object files to, then we would not need to save the object
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# file list or move them from the make directory to the build directory.
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#
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# Source names
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COMPILE_LIST.c = $(OBJDIR)/.source_names_c
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COMPILE_LIST.cpp = $(OBJDIR)/.source_names_cpp
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# Object file list
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COMPILE_OBJ_LIST.c = $(OBJDIR)/.obj_names_c
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COMPILE_OBJ_LIST.cpp = $(OBJDIR)/.obj_names_cpp
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# The compile line
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COMPILE_BATCH.c = $(OBJDIR)/.compile_c
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COMPILE_BATCH.cpp = $(OBJDIR)/.compile_cpp
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# The compile line for the current target
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THIS_COMPILE_BATCH.c = $(COMPILE_BATCH.c)-$(@F)
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THIS_COMPILE_BATCH.cpp = $(COMPILE_BATCH.cpp)-$(@F)
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$(OBJDIR)/%.$(OBJECT_SUFFIX): %.c
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@$(prep-target)
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@$(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.c)
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@if [ ! -s $(COMPILE_BATCH.c) ] ; then \
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$(CP) $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c) ; \
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$(ECHO) $< > $(COMPILE_LIST.c); \
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$(ECHO) $(@F) > $(COMPILE_OBJ_LIST.c); \
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elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c)`" \
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= "" ] ; then \
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$(ECHO) $< >> $(COMPILE_LIST.c); \
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$(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.c); \
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fi
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@$(RM) $(THIS_COMPILE_BATCH.c)
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@$(check-conventions)
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$(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp
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@$(prep-target)
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@$(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.cpp)
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@if [ ! -s $(COMPILE_BATCH.cpp) ] ; then \
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$(CP) $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp) ; \
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$(ECHO) $< > $(COMPILE_LIST.cpp); \
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$(ECHO) $(@F) > $(COMPILE_OBJ_LIST.cpp); \
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elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp)`"\
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= "" ] ; then \
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$(ECHO) $< >> $(COMPILE_LIST.cpp); \
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$(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.cpp); \
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fi
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@$(RM) $(THIS_COMPILE_BATCH.cpp)
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@$(check-conventions)
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batch_compile: $(FILES_o)
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@$(ECHO) "Doing batch compilations"
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@if [ -s $(COMPILE_LIST.c) ] ; then \
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$(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
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`$(CAT) $(COMPILE_LIST.c)`" ; \
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( $(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
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`$(CAT) $(COMPILE_LIST.c)` && \
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$(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR)" && \
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$(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR) ) || exit 1 ; \
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fi
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@if [ -s $(COMPILE_LIST.cpp) ] ; then \
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$(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
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`$(CAT) $(COMPILE_LIST.cpp)`" ; \
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( $(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
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`$(CAT) $(COMPILE_LIST.cpp)` && \
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$(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR)" && \
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$(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR) ) || exit 1 ; \
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fi
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@$(RM) $(COMPILE_BATCH.c) $(COMPILE_LIST.c) $(COMPILE_OBJ_LIST.c)
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@$(RM) $(COMPILE_BATCH.cpp) $(COMPILE_LIST.cpp) $(COMPILE_OBJ_LIST.cpp)
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endif
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# newer as does not handle c++ style comments
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$(OBJDIR)/%.$(OBJECT_SUFFIX): %.s
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ifneq ($(CC_VERSION), gcc)
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@$(prep-target)
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$(COMPILE.s) $(CC_OBJECT_OUTPUT_FLAG)$@ $<
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else
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@$(prep-target)
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$(CPP) -x assembler-with-cpp $< | $(COMPILE.s) -o $@
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endif
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@$(check-conventions)
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#
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# Quick hack for making the compiler generate just the assembly file.
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# $ gnumake obj/sparc/myfile.s
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#
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$(OBJDIR)/%.s: %.c
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@$(prep-target)
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$(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ -S $<
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@$(check-conventions)
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# remove the intermediate files from the directories.
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# (If VARIANT=OPT, this removes all debug and fastdebug files too)
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clobber clean::
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$(RM) -r $(OBJDIR)
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$(RM) -r $(OBJDIR)_*
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#
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# Lint support
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# (The 'lint' rule below is an older rule not using the .$(LINT_SUFFIX) files)
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#
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ifeq ($(PLATFORM), solaris)
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$(OBJDIR)/%.$(LINT_SUFFIX): %.c
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@$(prep-target)
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$(LINT.c) -dirout=$(OBJDIR) -c $<
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lint.clean:
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$(RM) $(OBJDIR)/*.$(LINT_SUFFIX)
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# Old rule
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lint: $(FILES_c)
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ifneq ($(FILES_c),)
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$(LINT.c) -Ncheck -Nlevel=3 $? $(LDLIBS) > lint.$(ARCH) 2>&1
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endif
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endif
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.PHONY: batch_compile
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