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py: Wrap qstr defs in quotes to protect from C preprocessor. 

This patch converts Q(abc) to "Q(abc)" to protect the abc from the
C preprocessor, then converts back after the preprocessor is finished.
So now we can safely put includes in mpconfig(port).h, and also
preprocess qstrdefsport.h (latter is now done also in this patch).

Addresses issue #1252.
This commit is contained in:
Damien George 2015-05-30 23:14:34 +01:00
parent 0ec8cf8e80
commit db52fd8e4d
1 changed files with 5 additions and 4 deletions
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9
py/py.mk
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@ -135,11 +135,12 @@ $(HEADER_BUILD)/mpversion.h: FORCE | $(HEADER_BUILD)
# Adding an order only dependency on $(HEADER_BUILD) causes $(HEADER_BUILD) to get
# created before we run the script to generate the .h
# Note: we need to protect the qstr names from the preprocessor, so we wrap
# the lines in "" and then unwrap after the preprocessor is finished.
$(HEADER_BUILD)/qstrdefs.generated.h: $(PY_QSTR_DEFS) $(QSTR_DEFS) $(PY_SRC)/makeqstrdata.py mpconfigport.h $(PY_SRC)/mpconfig.h | $(HEADER_BUILD)
$(ECHO) "CPP $<"
$(Q)$(CPP) $(CFLAGS) $(PY_QSTR_DEFS) -o $(HEADER_BUILD)/qstrdefs.preprocessed.h
$(ECHO) "makeqstrdata $(PY_QSTR_DEFS) $(QSTR_DEFS)"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/qstrdefs.preprocessed.h $(QSTR_DEFS) > $@
$(ECHO) "GEN $@"
$(Q)cat $(PY_QSTR_DEFS) $(QSTR_DEFS) | $(SED) 's/^Q(.*)/"&"/' | $(CPP) $(CFLAGS) - | sed 's/^"\(Q(.*)\)"/\1/' > $(HEADER_BUILD)/qstrdefs.preprocessed.h
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/qstrdefs.preprocessed.h > $@
# emitters