141 lines
6.0 KiB
Makefile
141 lines
6.0 KiB
Makefile
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#-------------------------------------------------------------------------------
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# Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
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# Copyright 2016 NXP
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# All Rights Reserved.
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#
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# THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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# SHALL FREESCALE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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# OF SUCH DAMAGE.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Sources to objects
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#-------------------------------------------------------------------------------
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INCLUDES := $(foreach includes, $(INCLUDES), -I $(includes))
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# Strip sources.
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SOURCES := $(strip $(SOURCES))
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# Convert sources list to absolute paths and root-relative paths.
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SOURCES_ABS := $(foreach s,$(SOURCES),$(abspath $(s)))
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SOURCES_REL := $(subst $(ERPC_ROOT)/,,$(SOURCES_ABS))
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# Get a list of unique directories containing the source files.
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SOURCE_DIRS_ABS := $(sort $(foreach f,$(SOURCES_ABS),$(dir $(f))))
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SOURCE_DIRS_REL := $(subst $(ERPC_ROOT)/,,$(SOURCE_DIRS_ABS))
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OBJECTS_DIRS := $(addprefix $(OBJS_ROOT)/,$(SOURCE_DIRS_REL))
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# Filter source files list into separate source types.
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C_SOURCES = $(filter %.c,$(SOURCES_REL))
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CXX_SOURCES = $(filter %.cpp,$(SOURCES_REL))
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ASM_s_SOURCES = $(filter %.s,$(SOURCES_REL))
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ASM_S_SOURCES = $(filter %.S,$(SOURCES_REL))
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# Convert sources to objects.
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OBJECTS_C := $(addprefix $(OBJS_ROOT)/,$(C_SOURCES:.c=.o))
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OBJECTS_CXX := $(addprefix $(OBJS_ROOT)/,$(CXX_SOURCES:.cpp=.o))
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OBJECTS_ASM := $(addprefix $(OBJS_ROOT)/,$(ASM_s_SOURCES:.s=.o))
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OBJECTS_ASM_S := $(addprefix $(OBJS_ROOT)/,$(ASM_S_SOURCES:.S=.o))
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# Complete list of all object files.
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OBJECTS_ALL := $(sort $(OBJECTS_C) $(OBJECTS_CXX) $(OBJECTS_ASM) $(OBJECTS_ASM_S))
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#-------------------------------------------------------------------------------
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# Default target
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#-------------------------------------------------------------------------------
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# Note that prerequisite order is important here. The subdirectories must be built first, or you
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# may end up with files in the current directory not getting added to libraries. This would happen
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# if subdirs modified the library file after local files were compiled but before they were added
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# to the library.
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.PHONY: all $(APP_NAME)
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all: $(MAKE_TARGET) $(OBJECTS_DIRS) $(SUBDIRS)
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ifneq "x$(APP_NAME)x" "xx"
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$(APP_NAME): $(MAKE_TARGET)
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endif
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## Recipe to create the output object file directories.
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$(OBJECTS_DIRS) :
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$(at)$(mkdirc) -p $@
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# Object files depend on the directories where they will be created.
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#
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# The dirs are made order-only prerequisites (by being listed after the '|') so they won't cause
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# the objects to be rebuilt, as the modification date on a directory changes whenver its contents
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# change. This would cause the objects to always be rebuilt if the dirs were normal prerequisites.
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$(OBJECTS_ALL): $(OBJECT_DEP) | $(OBJECTS_DIRS)
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#-------------------------------------------------------------------------------
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# Pattern rules for compilation
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#-------------------------------------------------------------------------------
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# We cd into the source directory before calling the appropriate compiler. This must be done
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# on a single command line since make calls individual recipe lines in separate shells, so
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# '&&' is used to chain the commands.
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#
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# Generate make dependencies while compiling using the -MMD option, which excludes system headers.
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# If system headers are included, there are path problems on cygwin. The -MP option creates empty
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# targets for each header file so that a rebuild will be forced if the file goes missing, but
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# no error will occur.
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# Compile C sources.
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$(OBJS_ROOT)/%.o: $(ERPC_ROOT)/%.c
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@$(call printmessage,c,Compiling, $(subst $(ERPC_ROOT)/,,$<))
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$(at)$(CC) $(CFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
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# Compile C++ sources.
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$(OBJS_ROOT)/%.o: $(ERPC_ROOT)/%.cpp
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@$(call printmessage,cxx,Compiling, $(subst $(ERPC_ROOT)/,,$<))
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$(at)$(CXX) $(CXXFLAGS) $(SYSTEM_INC) $(INCLUDES) $(DEFINES) -MMD -MF $(basename $@).d -MP -o $@ -c $<
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# For .S assembly files, first run through the C preprocessor then assemble.
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$(OBJS_ROOT)/%.o: $(ERPC_ROOT)/%.S
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@$(call printmessage,asm,Assembling, $(subst $(ERPC_ROOT)/,,$<))
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$(at)$(CPP) -D__LANGUAGE_ASM__ $(INCLUDES) $(DEFINES) -o $(basename $@).s $< \
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&& $(AS) $(ASFLAGS) $(INCLUDES) -MD $(OBJS_ROOT)/$*.d -o $@ $(basename $@).s
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# Assembler sources.
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$(OBJS_ROOT)/%.o: $(ERPC_ROOT)/%.s
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@$(call printmessage,asm,Assembling, $(subst $(ERPC_ROOT)/,,$<))
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$(at)$(AS) $(ASFLAGS) $(INCLUDES) -MD $(basename $@).d -o $@ $<
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#------------------------------------------------------------------------
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# Build the target
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#------------------------------------------------------------------------
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# Only link if an APP_NAME is provided.
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ifneq "$(APP_NAME)" ""
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# Wrap the link objects in start/end group so that ld re-checks each
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# file for dependencies. Otherwise linking static libs can be a pain
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# since order matters.
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$(MAKE_TARGET): $(OBJECTS_ALL)
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@$(call printmessage,link,Linking, $(APP_NAME))
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$(at)$(LD) $(LDFLAGS) \
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$(OBJECTS_ALL) \
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-o $@ \
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$(LIBRARIES)
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@echo "Output binary:" ; echo " $(APP_NAME)"
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endif
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#-------------------------------------------------------------------------------
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# Clean
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#-------------------------------------------------------------------------------
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.PHONY: clean
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clean::
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@echo "Cleaning $(APP_NAME)"
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$(at)$(rmc) $(OBJECTS_ALL) $(OBJECTS_DIRS) $(MAKE_TARGET)
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# Include dependency files.
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-include $(OBJECTS_ALL:.o=.d)
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