#

# Copyright 1995-2009 Sun Microsystems, Inc.  All Rights Reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Sun designates this

# particular file as subject to the "Classpath" exception as provided

# by Sun in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

# CA 95054 USA or visit www.sun.com if you need additional information or

# have any questions.

#

#

# Generic makefile for building shared libraries.

#

include $(TOPDIR)/make/common/Classes.gmk

#

# It is important to define these *after* including Classes.gmk

# in order to override the values defined inthat makefile.

#

ACTUAL_LIBRARY_NAME = $(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)

ACTUAL_LIBRARY_DIR = $(LIB_LOCATION)

ACTUAL_LIBRARY = $(ACTUAL_LIBRARY_DIR)/$(ACTUAL_LIBRARY_NAME)

library:: $(ACTUAL_LIBRARY)

FILES_o   = $(patsubst %.c,   %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))

FILES_o  += $(patsubst %.s,   %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_s))))

FILES_o  += $(patsubst %.cpp, %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_cpp))))

ifeq ($(INCREMENTAL_BUILD),true)

FILES_d   = $(patsubst %.c,   %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))

FILES_d  += $(patsubst %.cpp, %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_cpp))))

endif # INCREMENTAL_BUILD

ifeq ($(PLATFORM),solaris)

# List of all lint files, one for each .c file (only for C)

FILES_ln   = $(patsubst %.c,   %.$(LINT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))

endif

#

# C++ libraries must be linked with CC.

#

ifdef CPLUSPLUSLIBRARY

LINKER=$(LINK.cc)

else

LINKER=$(LINK.c)

endif

# We either need to import (copy) libraries in, or build them

$(ACTUAL_LIBRARY):: $(INIT) $(TEMPDIR) $(LIBDIR) $(BINDIR) $(EXTDIR) classheaders

#

# COMPILE_APPROACH: Different approaches to compile up the native object

#   files as quickly as possible.

#   The setting of parallel works best on Unix, batch on Windows.

#

COMPILE_FILES_o = $(OBJDIR)/.files_compiled

$(COMPILE_FILES_o): $(FILES_d) $(FILES_o)

	@$(ECHO) "$<" >> $@

clean::

	$(RM) $(COMPILE_FILES_o)

#

# COMPILE_APPROACH=parallel: Will trigger compilations (just compilations) to

#   happen in parallel. Greatly decreases Unix build time, even on single CPU

#   machines, more so on multiple CPU machines. Default is 2 compiles

#   at a time, but can be adjusted with ALT_PARALLEL_COMPILE_JOBS.

#   Note that each .d file will also be dependent on it's .o file, see

#   Rules.gmk.

#   Note this does not depend on Rules.gmk to work like batch (below)

#   and this technique doesn't seem to help Windows build time nor does

#   it work very well, it's possible the Windows Visual Studio compilers

#   don't work well in a parallel situation, this needs investigation.

#

ifeq ($(COMPILE_APPROACH),parallel)

.PHONY: library_parallel_compile

library_parallel_compile:

	@$(ECHO) "Begin parallel compiles: $(shell $(PWD))"

	@$(MAKE) -j $(PARALLEL_COMPILE_JOBS) $(COMPILE_FILES_o)

	@$(ECHO) "Done with parallel compiles: $(shell $(PWD))"

$(ACTUAL_LIBRARY):: library_parallel_compile

endif

#

# COMPILE_APPROACH=batch: Will trigger compilations (just compilations) to

#   happen in batch mode. Greatly decreases Windows build time.

#   See logic in Rules.gmk for how compiles happen, the $(MAKE) in

#   library_batch_compile below triggers the actions in Rules.gmk.

#   Note that each .d file will also be dependent on it's .o file, see

#   Rules.gmk.

#

ifeq ($(COMPILE_APPROACH),batch)

.PHONY: library_batch_compile

library_batch_compile:

	@$(ECHO) "Begin BATCH compiles: $(shell $(PWD))"

	$(MAKE) $(COMPILE_FILES_o)

	$(MAKE) batch_compile

	@$(ECHO) "Done with BATCH compiles: $(shell $(PWD))"

	$(MAKE) COMPILE_APPROACH=normal $(COMPILE_FILES_o)

$(ACTUAL_LIBRARY):: library_batch_compile

endif

ifeq ($(PLATFORM), windows)

#

# Library building rules.

#

$(LIBRARY).lib:: $(OBJDIR)

# build it into $(OBJDIR) so that the other generated files get put 

# there, then copy just the DLL (and MAP file) to the requested directory.

#

$(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lcf

	@$(prep-target)

	@$(MKDIR) -p $(OBJDIR)

	$(LINK) -dll -out:$(OBJDIR)/$(@F) \

	  -map:$(OBJDIR)/$(LIBRARY).map \

	  $(LFLAGS) @$(OBJDIR)/$(LIBRARY).lcf \

	  $(OTHER_LCF) $(JAVALIB) $(LDLIBS)

	$(CP) $(OBJDIR)/$(@F) $@

	$(CP) $(OBJDIR)/$(LIBRARY).map $(@D)

	$(CP) $(OBJDIR)/$(LIBRARY).pdb $(@D)

$(OBJDIR)/$(LIBRARY).lcf: $(OBJDIR)/$(LIBRARY).res $(COMPILE_FILES_o) $(FILES_m)

	@$(prep-target)

	@$(MKDIR) -p $(TEMPDIR)

	@$(ECHO) $(FILES_o) > $@ 

ifndef LOCAL_RESOURCE_FILE

	@$(ECHO) $(OBJDIR)/$(LIBRARY).res >> $@

endif

	@$(ECHO) Created $@ 

RC_FLAGS += /D "JDK_FNAME=$(LIBRARY).dll" \

            /D "JDK_INTERNAL_NAME=$(LIBRARY)" \

            /D "JDK_FTYPE=0x2L"

$(OBJDIR)/$(LIBRARY).res: $(VERSIONINFO_RESOURCE)

ifndef LOCAL_RESOURCE_FILE

	@$(prep-target)

	$(RC) $(RC_FLAGS) $(CC_OBJECT_OUTPUT_FLAG)$(@) $(VERSIONINFO_RESOURCE)

endif

#

# Install a .lib file if required.

#

ifeq ($(INSTALL_DOT_LIB), true)

$(ACTUAL_LIBRARY):: $(LIBDIR)/$(LIBRARY).lib

clean:: 

	-$(RM) $(LIBDIR)/$(LIBRARY).lib

$(LIBDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lib

	$(install-file)

$(LIBDIR)/$(LIBRARY).dll:: $(OBJDIR)/$(LIBRARY).dll

	$(install-file)

endif # INSTALL_DOT_LIB

else # PLATFORM

#

# On Solaris, use mcs to write the version into the comment section of

# the shared library.  On other platforms set this to false at the

# make command line.

#

$(ACTUAL_LIBRARY):: $(COMPILE_FILES_o) $(FILES_m) $(FILES_reorder)

	@$(prep-target)

	@$(ECHO) "STATS: LIBRARY=$(LIBRARY), PRODUCT=$(PRODUCT), _OPT=$(_OPT)"

	@$(ECHO) "Rebuilding $@ because of $?"

	$(LINKER) $(SHARED_LIBRARY_FLAG) -o $@ $(FILES_o) $(LDLIBS)

ifeq ($(WRITE_LIBVERSION),true)

	$(MCS) -d -a "$(FULL_VERSION)" $@

endif # WRITE_LIBVERSION

endif # PLATFORM

#

# Cross check all linted files against each other

#

ifeq ($(PLATFORM),solaris)

lint.errors : $(FILES_ln)

	$(LINT.c) $(FILES_ln) $(LDLIBS) 

endif

#

# Class libraries with JNI native methods get a include to the package.

#

ifdef PACKAGE

vpath %.c $(PLATFORM_SRC)/native/$(PKGDIR)

vpath %.c $(SHARE_SRC)/native/$(PKGDIR)

OTHER_INCLUDES += -I$(SHARE_SRC)/native/common -I$(PLATFORM_SRC)/native/common

OTHER_INCLUDES += -I$(SHARE_SRC)/native/$(PKGDIR) \

		  -I$(PLATFORM_SRC)/native/$(PKGDIR)

endif

#

# Clean/clobber rules

#

clean::

	$(RM) -r $(ACTUAL_LIBRARY)

clobber:: clean

#

# INCREMENTAL_BUILD means that this workspace will be built over and over

#   possibly incrementally. This means tracking the object file dependencies

#   on include files so that sources get re-compiled when the include files

#   change. When building from scratch and doing a one time build (like

#   release engineering or nightly builds) set INCREMENTAL_BUILD=false.

#

ifeq ($(INCREMENTAL_BUILD),true)

#

# Workaround: gnumake sometimes says files is empty when it shouldn't

#    was:  files := $(foreach file, $(wildcard $(OBJDIR)/*.$(DEPEND_SUFFIX)), $(file))

#

files := $(shell $(LS) $(OBJDIR)/*.$(DEPEND_SUFFIX) 2>/dev/null)

#

# Only include these files if we have any.

#

ifneq ($(strip $(files)),)

include $(files)

endif # files

endif # INCREMENTAL_BUILD

#

# Default dependencies

#

all: build

build: library

debug:

	$(MAKE) VARIANT=DBG build

fastdebug:

	$(MAKE) VARIANT=DBG FASTDEBUG=true build

.PHONY: all build debug fastdebug