How to read Makefile

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make -j8
make -B
make -n

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make -nB \
    | grep -ve '^\(\g\|echo\|mkdir\)' \        # 删去不要的东西
    | vim -        # 输出用 vim 打开

1	set nowrap

tree .
find . -name "*.c" -o -name "*.h"
vi .
vi **/gen-expr.c
fzf
vi $(fzf)
echo 'q' | /home/chms/ysyx-workbench/nemu/build/riscv64-nemu-interpreter
/home/chms/ysyx-workbench/nemu/build/riscv64-nemu-interpreter < in.txt

1	static inline

1 2	tjump tabnew

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gdb
layout asm
layout src

宏展开
gcc -E
makefile -> 
        # @$(CC) $(CFLAGS) -E $@ $< | \
        #     grep -ve '^#' | \
        #     clang-format - > $(basename $@).i
        # rm ./*.d

gcc --verbose
gcc -v
gcc -fsanitize=address    // 内存访问越界
strace bash
ssh -v
make -n