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Suppose I build a static library "mylib.a" which has many sections. one section is called ".my_test" and I put some structure in it.Suppose My main() function call some functions in the library.However, no functions directly access the structure in se.

As we know, use sed command can change string.When we want to use it in Makefile, how to use it?Let's write a Makefile as following:LDFLAGS = -Txxhello.lds -LhelloIOT_LDFLAGS = $(LDFLAGS) | sed 's/-T.*lds/-Talex.lds/g'all: @echo $(LDFLA

.PHONY is key word in Makefile, it means a fake target.Firstly let's lista Makefile as following:C_FLAGS =SOURCE = main.c test.cOBJS_C = $(SOURCE:.c=.o)DEP = $(SOURCE:.c=.d)HEADER= header...