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Makefile cleanup

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This commit is contained in:
Johan B.W. de Vries 2025-01-26 14:50:15 +01:00
parent b682ee964b
commit f798fbe55f
2 changed files with 61 additions and 26 deletions
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81
Makefile
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@ -1,36 +1,69 @@
TEE := .SUFFIXES:
GCC_FLAGS := -g -O0 -Wall GCC_FLAGS := -g -O0 -Wall
run: it1 it2
it0:
echo "Hand made"
it1: all: it2-out
cat it1-in.lang0 | python3 it0-out.py $(if $(TEE),| tee,> ) it1-out0.py
cat it1-in.lang0 | python3 it1-out0.py $(if $(TEE),| tee,> ) it1-out1.py
diff it1-out0.py it1-out1.py > it1-out1.diff
cat it1-in.lang0 | python3 it1-out1.py $(if $(TEE),| tee,> ) it1-out2.py
diff it1-out1.py it1-out2.py > it1-out2.diff
cat it1-in.lang0 | python3 it1-out2.py $(if $(TEE),| tee,> ) it1-out.py
diff it1-out2.py it1-out.py > it1-out.diff
# See how much our hand written code differs from resulting code
-diff it0-out.py it1-out0.py > it0-out0.diff
it2: it1 # it0-out.py => Hand made
cat it2-in.lang0 | python3 it1-out.py $(if $(TEE),| tee,> ) it2-out0.py
it1-out0.py: it0-out.py it1-in.lang0
cat it1-in.lang0 | python3 it0-out.py > it1-out0.py
it1-out1.py: it1-out0.py it1-in.lang0
cat it1-in.lang0 | python3 it1-out0.py > it1-out1.py
# We can diff here since the target hasn't changed
# The target for it0 is the same as for it1
diff it1-out0.py it1-out1.py
it1-out2.py: it1-out1.py it1-in.lang0
cat it1-in.lang0 | python3 it1-out1.py > it1-out2.py
diff it1-out1.py it1-out2.py
it1-out3.py: it1-out2.py it1-in.lang0
cat it1-in.lang0 | python3 it1-out2.py > it1-out3.py
diff it1-out2.py it1-out3.py
it1-out.py: it1-out3.py
cp it1-out3.py it1-out.py
it2-out0.py: it1-out.py it2-in.lang0
cat it2-in.lang0 | python3 it1-out.py > it2-out0.py
# No gcc step since the target is still python here
it2-out1.c: it2-out0.py it2-in.lang0
cat it2-in.lang0 | python3 it2-out0.py > it2-out1.c
# diff it2-out0.py it2-out1.py Do not diff - the target changed so the output will be different
it2-out1: it2-out1.c
gcc it2-out1.c -o it2-out1 $(GCC_FLAGS)
it2-out2.c: it2-out1 it2-in.lang0
cat it2-in.lang0 | ./it2-out1 > it2-out2.c
diff it2-out1.c it2-out2.c
it2-out2: it2-out2.c
gcc it2-out2.c -o it2-out2 $(GCC_FLAGS)
it2-out3.c: it2-out2 it2-in.lang0
cat it2-in.lang0 | ./it2-out2 > it2-out3.c
diff it2-out2.c it2-out3.c
it2-out3: it2-out3.c
gcc it2-out3.c -o it2-out3 $(GCC_FLAGS)
it2-out: it2-out3
cp it2-out3 it2-out
cat it2-in.lang0 | python3 it2-out0.py $(if $(TEE),| tee,> ) it2-out1.c && gcc it2-out1.c -o it2-out1 $(GCC_FLAGS)
# diff it2-out0.c it2-out1.c > it2-out1.diff
cat it2-in.lang0 | ./it2-out1 $(if $(TEE),| tee,> ) it2-out2.c && gcc it2-out2.c -o it2-out2 $(GCC_FLAGS)
diff it2-out1.c it2-out2.c > it2-out2.diff
cat it2-in.lang0 | ./it2-out2 $(if $(TEE),| tee,> ) it2-out.c && gcc it2-out.c -o it2-out $(GCC_FLAGS)
diff it2-out2.c it2-out.c > it2-out.diff
clean: clean:
-rm it1-out* it2-out* -rm it1-out* it2-out*
.PHONY: it2

6
README.md
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@ -154,10 +154,12 @@ How to run
Install python3 and make Install python3 and make
```sh ```sh
make clean run make clean all
``` ```
Get more info Get more info
``` ```
make TRACE=1 clean run make TRACE=1 clean all
``` ```
You will now have a lang0 compiler in python for python in `./it1-out.py`, and one written in C for C in `./it2-out`.