#*********************************************************************************
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# Copyright: (C) 2018 LingYun IoT Studio
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# All rights reserved.
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#
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# Filename: Makefile
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# Description: This is the common top Makefile which used to call function to
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# Cross compile the subdir source code and link all the libs to
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# excutable binary file.
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#
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# Version: 1.0.0
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# Author: Guo Wenxue <guowenxue@gmail.com>
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# ChangeLog: 1, Release initial version on "2018/11/20 11:29:33 AM"
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#
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#********************************************************************************/
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APP_BINARY_NAME=iotd
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INST_PATH=/tftp
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TOP_PATH=$(shell pwd)
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LIBS_PATH=${TOP_PATH}/.libs
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#Excutable binary file runs on platform
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#ARCH?=arm
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ARCH?=x86
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#Static linked or Dynamic link
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LINK_MODE=STATIC
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CFLAGS+=-Werror -Wall
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ifeq ("${LINK_MODE}", "STATIC")
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CFLAGS+=--static
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LDFLAGS+=-static
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else
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LDFLAGS+=-ldl
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endif
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# ==================================
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# ** Cross Compiler Setting **
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# ==================================
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#
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ifeq ("${ARCH}", "x86")
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export CROSS_COMPILE=
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else
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export CROSS_COMPILE=/opt/rpi/arm-bcm2708/arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
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endif
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# Get alll the source code folder, all the source code in the subdir will be compiled and
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# archive to a static library, named lib${subdir_name}.a
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OBJFILES = $(patsubst %.c,%,$(wildcard *.c))
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SUBSRCS = $(shell find . -follow -maxdepth 1 -type d|sed -n 's/.\///p'|grep -v 'libs' \
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|grep -v 'etc' | grep -v '.svn'|grep -v '.git'|grep -v 'include'|grep -v 'bin')
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# Add the subdir compiled static library into LDFLAGS
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#LDFLAGS+=$(patsubst %,-L%,$(SUBSRCS))
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#LDFLAGS+=$(patsubst %,-l%,$(SUBSRCS))
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LDFLAGS+=-L${LIBS_PATH}
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LDFLAGS+=$(patsubst %,-l%,$(SUBSRCS))
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LIBS=$(patsubst %,${LIBS_PATH}/lib%.a,$(SUBSRCS))
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LDFLAGS+=-Xlinker "-(" $(LIBS) -Xlinker "-)"
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CFLAGS+=$(patsubst %,-I${TOP_PATH}/%,$(SUBSRCS))
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CFLAGS+=-I$(TOP_PATH)
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LDFLAGS+=-lpthread
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export CC=${CROSS_COMPILE}gcc
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export CXX=${CROSS_COMPILE}gcc
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export AR=${CROSS_COMPILE}ar
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export AS=${CROSS_COMPILE}as
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export LD=${CROSS_COMPILE}ld
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export RANLIB=${CROSS_COMPILE}ranlib
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export STRIP=${CROSS_COMPILE}strip
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export CFLAGS
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export LDFLAGS
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export ARCH
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export LINK_MODE
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export LIBS_PATH
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#A function used to goes into the sub-folder to compile
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MAKEFUNC = @MakeSubDir() \
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{ \
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for DIR in ${SUBSRCS}; do \
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if [ -d $${DIR} ] ; then \
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cd $${DIR}; \
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MakeSubDir; \
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if [ -f makefile -o -f Makefile ]; then \
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pwd; \
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make $(1) CROSS_COMPILE=${CROSS_COMPILE}; \
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if [ "$$?" != "0" ]; then \
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exit 1; \
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fi; \
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fi; \
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cd ..; \
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fi; \
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done; \
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if [ -f makefile -o -f Makefile ]; then \
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make $(1); \
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if [ "$$?" != "0" ]; then \
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exit 1; \
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fi; \
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fi; \
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}; \
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MAKEME = cd $(2); MakeSubDir $(1); cd ..;
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LOOPMAKEFUNC = $(MAKEFUNC) $(foreach dir,$(SUBSRCS),$(call MAKEME,$(1),$(dir)))
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.PHONY: all
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all: entry prepare binary install
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prepare:
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@if [ ! -L cp_library ] ; then \
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ln -s ../cp_library; \
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fi
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entry:
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@echo $(SUBSRCS)
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@echo " ";
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@echo " =========================================================";
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@echo " ** Come into compile ${APP_BINARY_NAME} for ARCH $(ARCH) ";
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@echo " =========================================================";
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@echo " ";
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@make clean
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subdir:
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@$(call LOOPMAKEFUNC,all)
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@echo " ";
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@echo " =========================================================";
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@echo " ** Compile and linking ${APP_BINARY_NAME} for ${ARCH} now";
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@echo " =========================================================";
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%: %.c
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$(CC) $< $(CFLAGS) -c -o $@.o
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binary: subdir $(OBJFILES)
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$(CC) $(CFLAGS) -o $(APP_BINARY_NAME) *.o $(LDFLAGS)
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$(STRIP) $(APP_BINARY_NAME)
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tag:
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@cscope -Rbq
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@ctags --c-kinds=+defglmnstuvx --langmap=c:.c.h.ho.hem.het.hec.hev.him.hit.hic.hiv -R .
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install:
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cp $(APP_BINARY_NAME) ${INST_PATH}
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uninstall:
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rm -f ${INST_PATH}/$(APP_BINARY_NAME)
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clean:
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@$(call LOOPMAKEFUNC,clean)
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@rm -rf ${LIBS_PATH}
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@rm -f *.o $(APP_BINARY_NAME)
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@rm -f *.elf*
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@rm -f *.gdb
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@rm -f cp_library
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distclean: clean
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@$(call LOOPMAKEFUNC,distclean)
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clear: distclean
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@rm -f tags cscope*
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