# Just check if we have everything defined
ifeq ($(CC_SOURCE_FILES_EXTS),)
	CC_SOURCE_FILES_EXTS := c cc
endif
ifeq ($(CXX_SOURCE_FILES_EXTS),)
	CXX_SOURCE_FILES_EXTS := cpp cxx
endif

# Target configuration
CXXFLAGS_debug := -g -O0
CFLAGS_debug := -g -O0
CXXFLAGS_release := -O2
CFLAGS_release := -O2

# Get the build type
PREBUILT_DIR_PREFIX = ../lib/$(TARGET)-$(ARCH)

# Collect objects
OBJECTS = $(foreach sourceFilesExt,$(CC_SOURCE_FILES_EXTS), \
	$(patsubst %.$(sourceFilesExt),obj-$(TARGET)-$(ARCH)/%.$(sourceFilesExt).cc.o,$(filter %.$(sourceFilesExt),$(LOCAL_SRC_FILES))) \
) $(foreach sourceFilesExt,$(CXX_SOURCE_FILES_EXTS), \
	$(patsubst %.$(sourceFilesExt),obj-$(TARGET)-$(ARCH)/%.$(sourceFilesExt).cxx.o,$(filter %.$(sourceFilesExt),$(LOCAL_SRC_FILES))) \
)

# Default target
.DEFAULT: installr

# Declare phony targets
.PHONY: release debug clean installr installd

# Precious targets
.PRECIOUS: build-release/$(LIBNAME).$(LIBTYPE) build-debug/$(LIBNAME).$(LIBTYPE) $(addprefix build-release/,$(OBJECTS)) $(addprefix build-debug/,$(OBJECTS))

# Route build targets properly
installr: install-release
installd: install-debug
release: build-release/$(LIBNAME).$(LIBTYPE)
debug: build-debug/$(LIBNAME).$(LIBTYPE)

# Clean removes all objects
clean:
	$(RM) -r build-release
	$(RM) -r build-debug

# This target copies final output file to prebuilt folder
install-%: %
	@mkdir -p $(PREBUILT_DIR_PREFIX)-$*
	cp build-$*/$(LIBNAME).$(LIBTYPE) $(PREBUILT_DIR_PREFIX)-$*/$(LIBNAME).$(LIBTYPE)

# Builds source files using CC compiler
build-release/obj-$(TARGET)-$(ARCH)/%.cc.o : % $(LOCAL_C_INCLUDES)
	@mkdir -p `dirname $@`
	$(CC) -o $@ -c $< $(CFLAGS_release) $(CFLAGS) $(addprefix -I, $(LOCAL_C_INCLUDES)) $(LOCAL_CFLAGS)
build-debug/obj-$(TARGET)-$(ARCH)/%.cc.o : % $(LOCAL_C_INCLUDES)
	@mkdir -p `dirname $@`
	$(CC) -o $@ -c $< $(CFLAGS_debug) $(CFLAGS) $(addprefix -I, $(LOCAL_C_INCLUDES)) $(LOCAL_CFLAGS)
	
# Builds source files using CXX compiler
build-release/obj-$(TARGET)-$(ARCH)/%.cxx.o : % $(LOCAL_C_INCLUDES)
	@mkdir -p `dirname $@`
	$(CXX) -o $@ -c $< $(CXXFLAGS_release) $(CFLAGS) $(addprefix -I, $(LOCAL_C_INCLUDES)) $(LOCAL_CFLAGS)
build-debug/obj-$(TARGET)-$(ARCH)/%.cxx.o : % $(LOCAL_C_INCLUDES)
	@mkdir -p `dirname $@`
	$(CXX) -o $@ -c $< $(CXXFLAGS_debug) $(CFLAGS) $(addprefix -I, $(LOCAL_C_INCLUDES)) $(LOCAL_CFLAGS)
	
# This target assembles static library
.SECONDEXPANSION:
build-%/$(LIBNAME).$(STATICLIB_EXT): $$(addprefix build-%/,$(OBJECTS))
	@mkdir -p `dirname $@`
	$(AR) rs $@ $?
	
# This target assembles dynamic library
.SECONDEXPANSION:
build-%/$(LIBNAME).$(DYNAMICLIB_EXT): $$(addprefix build-%/,$(OBJECTS))
	@mkdir -p `dirname $@`
	$(CXX) -shared -o $@ $? $(LDFLAGS) -L$(PREBUILT_DIR_PREFIX)-$* $(LDLIBS)