duke@1: #
duke@1: # Copyright 1995-2007 Sun Microsystems, Inc.  All Rights Reserved.
duke@1: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1: #
duke@1: # This code is free software; you can redistribute it and/or modify it
duke@1: # under the terms of the GNU General Public License version 2 only, as
duke@1: # published by the Free Software Foundation.  Sun designates this
duke@1: # particular file as subject to the "Classpath" exception as provided
duke@1: # by Sun in the LICENSE file that accompanied this code.
duke@1: #
duke@1: # This code is distributed in the hope that it will be useful, but WITHOUT
duke@1: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1: # version 2 for more details (a copy is included in the LICENSE file that
duke@1: # accompanied this code).
duke@1: #
duke@1: # You should have received a copy of the GNU General Public License version
duke@1: # 2 along with this work; if not, write to the Free Software Foundation,
duke@1: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1: #
duke@1: # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1: # CA 95054 USA or visit www.sun.com if you need additional information or
duke@1: # have any questions.
duke@1: #
duke@1: 
duke@1: #
duke@1: # Native C/C++ Compile Rules
duke@1: #
duke@1: 
duke@1: #
duke@1: # INCREMENTAL_BUILD: Record the #include file dependencies.
duke@1: #
duke@1: # NOTE: We build make include files with the suffix
duke@1: #       $(DEPEND_SUFFIX) on every compilation. These are initially 
duke@1: #       created as temp files just in case a ^C kills it in the middle.
duke@1: #	Compiler is smart enough to handle ^C and not create the .o file, or
duke@1: #	is supposed to be that smart, but the .$(DEPEND_SUFFIX) file 
duke@1: #       creation here isn't.
duke@1: #	These .$(DEPEND_SUFFIX) files are included by Library.gmk and 
duke@1: #       Program.gmk, when they exist (Search for 'make dependencies').
duke@1: #
duke@1: 
duke@1: ifeq ($(INCREMENTAL_BUILD),true)
duke@1: 
duke@1: $(OBJDIR)/%.$(DEPEND_SUFFIX): %.c
duke@1: 	@$(prep-target)
duke@1: 	@$(ECHO) "Creating $@"
duke@1: 	@$(RM) $@.temp
duke@1: 	@$(CC) $(CC_DEPEND) $(CPPFLAGS) $< 2> $(DEV_NULL) | \
duke@1: 	    $(CC_DEPEND_FILTER) > $@.temp
duke@1: 	@$(MV) $@.temp $@
duke@1: 
duke@1: $(OBJDIR)/%.$(DEPEND_SUFFIX): %.cpp
duke@1: 	@$(prep-target)
duke@1: 	@$(ECHO) "Creating $@"
duke@1: 	@$(RM) $@.temp
duke@1: 	@$(CXX) $(CC_DEPEND) $(CPPFLAGS) $(CXXFLAGS) $< 2> $(DEV_NULL) | \
duke@1: 	    $(CC_DEPEND_FILTER) > $@.temp
duke@1: 	@$(MV) $@.temp $@
duke@1: 
duke@1: endif # INCREMENTAL_BUILD
duke@1: 
duke@1: #
duke@1: # C, C++, asm files.
duke@1: #
duke@1: # Normal or parallel compile rule is the same, but batch compiles require
duke@1: #  we save up the sources files that use the same compile line so that we
duke@1: #  can do one compile line.
duke@1: #
duke@1: 
duke@1: ifneq ($(COMPILE_APPROACH), batch)
duke@1: 
duke@1: $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c
duke@1: 	@$(prep-target)
duke@1: 	$(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $<
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp
duke@1: 	@$(prep-target)
duke@1: 	$(COMPILE.cc) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $<
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: else
duke@1:   
duke@1:   #
duke@1:   # Batch compiling might be faster if the compiler was smart about recognizing
duke@1:   #   optimization opportunities available when all files are being compiled
duke@1:   #   the same way. Unfortunately this is rare.
duke@1:   #   Automatic pre-compiled headers (pch) might be a possibility so we
duke@1:   #   add any auto pch options here.
duke@1:   # So we save all the source files that have the same compile line as the
duke@1:   #   first file. A normal compile pass is made after the batch compile
duke@1:   #   to catch anything missed.
duke@1:   # If the compilers had a -o option that allowed us to direct where to
duke@1:   #   write the object files to, then we would not need to save the object
duke@1:   #   file list or move them from the make directory to the build directory.
duke@1:   #
duke@1: 
duke@1:   # Source names
duke@1:   COMPILE_LIST.c         = $(OBJDIR)/.source_names_c
duke@1:   COMPILE_LIST.cpp       = $(OBJDIR)/.source_names_cpp
duke@1: 
duke@1:   # Object file list
duke@1:   COMPILE_OBJ_LIST.c     = $(OBJDIR)/.obj_names_c
duke@1:   COMPILE_OBJ_LIST.cpp   = $(OBJDIR)/.obj_names_cpp
duke@1:   
duke@1:   # The compile line
duke@1:   COMPILE_BATCH.c        = $(OBJDIR)/.compile_c
duke@1:   COMPILE_BATCH.cpp      = $(OBJDIR)/.compile_cpp
duke@1: 
duke@1:   # The compile line for the current target
duke@1:   THIS_COMPILE_BATCH.c   = $(COMPILE_BATCH.c)-$(@F)
duke@1:   THIS_COMPILE_BATCH.cpp = $(COMPILE_BATCH.cpp)-$(@F)
duke@1: 
duke@1: $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c
duke@1: 	@$(prep-target)
duke@1: 	@$(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.c)
duke@1: 	@if [ ! -s $(COMPILE_BATCH.c) ] ; then \
duke@1: 	  $(CP) $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c) ; \
duke@1: 	  $(ECHO) $< > $(COMPILE_LIST.c); \
duke@1: 	  $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.c); \
duke@1: 	elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c)`" \
duke@1: 	       = "" ] ; then \
duke@1: 	  $(ECHO) $< >> $(COMPILE_LIST.c); \
duke@1: 	  $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.c); \
duke@1: 	fi
duke@1: 	@$(RM) $(THIS_COMPILE_BATCH.c)
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp
duke@1: 	@$(prep-target)
duke@1: 	@$(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.cpp)
duke@1: 	@if [ ! -s $(COMPILE_BATCH.cpp) ] ; then \
duke@1: 	  $(CP) $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp) ; \
duke@1: 	  $(ECHO) $< > $(COMPILE_LIST.cpp); \
duke@1: 	  $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.cpp); \
duke@1: 	elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp)`"\
duke@1: 	       = "" ] ; then \
duke@1: 	  $(ECHO) $< >> $(COMPILE_LIST.cpp); \
duke@1: 	  $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.cpp); \
duke@1: 	fi
duke@1: 	@$(RM) $(THIS_COMPILE_BATCH.cpp)
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: batch_compile: $(FILES_o)
duke@1: 	@$(ECHO) "Doing batch compilations"
duke@1: 	@if [ -s $(COMPILE_LIST.c) ] ; then \
duke@1: 	  $(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
duke@1: 	   `$(CAT) $(COMPILE_LIST.c)`" ; \
duke@1: 	  ( $(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
duke@1: 	    `$(CAT) $(COMPILE_LIST.c)` && \
duke@1: 	    $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR)" && \
duke@1: 	    $(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR) ) || exit 1 ; \
duke@1: 	fi
duke@1: 	@if [ -s $(COMPILE_LIST.cpp) ] ; then \
duke@1: 	  $(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
duke@1: 	   `$(CAT) $(COMPILE_LIST.cpp)`" ; \
duke@1: 	  ( $(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \
duke@1: 	    `$(CAT) $(COMPILE_LIST.cpp)` && \
duke@1: 	    $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR)" && \
duke@1: 	    $(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR) ) || exit 1 ; \
duke@1: 	fi
duke@1: 	@$(RM) $(COMPILE_BATCH.c)   $(COMPILE_LIST.c)   $(COMPILE_OBJ_LIST.c)
duke@1: 	@$(RM) $(COMPILE_BATCH.cpp) $(COMPILE_LIST.cpp) $(COMPILE_OBJ_LIST.cpp)
duke@1: 
duke@1: endif
duke@1: 
duke@1: # newer as does not handle c++ style comments
duke@1: $(OBJDIR)/%.$(OBJECT_SUFFIX): %.s
duke@1:     ifneq ($(CC_VERSION), gcc)
duke@1: 	@$(prep-target)
duke@1: 	$(COMPILE.s) $(CC_OBJECT_OUTPUT_FLAG)$@ $<
duke@1:     else
duke@1: 	@$(prep-target)
duke@1: 	$(CPP) -x assembler-with-cpp $< | $(COMPILE.s) -o $@
duke@1:     endif
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: #
duke@1: # Quick hack for making the compiler generate just the assembly file.
duke@1: #	$ gnumake obj/sparc/myfile.s
duke@1: #
duke@1: $(OBJDIR)/%.s: %.c
duke@1: 	@$(prep-target)
duke@1: 	$(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ -S $<
duke@1: 	@$(check-conventions)
duke@1: 
duke@1: # remove the intermediate files from the directories.
duke@1: #    (If VARIANT=OPT, this removes all debug and fastdebug files too)
duke@1: clobber clean::
duke@1: 	$(RM) -r $(OBJDIR)
duke@1: 	$(RM) -r $(OBJDIR)_*
duke@1: 
duke@1: #
duke@1: # Lint support
duke@1: # (The 'lint' rule below is an older rule not using the .$(LINT_SUFFIX) files)
duke@1: #
duke@1: 
duke@1: ifeq ($(PLATFORM), solaris)
duke@1: $(OBJDIR)/%.$(LINT_SUFFIX): %.c
duke@1: 	@$(prep-target)
duke@1: 	$(LINT.c) -dirout=$(OBJDIR) -c $<
duke@1: lint.clean:
duke@1: 	$(RM) $(OBJDIR)/*.$(LINT_SUFFIX)
duke@1: # Old rule
duke@1: lint: $(FILES_c)
duke@1:         ifneq ($(FILES_c),)
duke@1: 	  $(LINT.c) -Ncheck -Nlevel=3 $? $(LDLIBS) > lint.$(ARCH) 2>&1
duke@1:         endif
duke@1: endif
duke@1: 
duke@1: .PHONY: batch_compile
duke@1: 
duke@1: