Hi,
I have the following Makefile. The execution result is shown below.
CXX_SOURCE_FILES is an empty string. I think that the top branch
should be taken. But in fact, the bottom one is taken.
Would you please let me know what I'm wrong?
Thanks,
Peng
$ cat Makefile
.PHONY: all
CXX_SOURCE_FILES =
ifeq ($CXX_SOURCE_FILES, )
all:
@echo x$(CXX_SOURCE_FILES)y
else
all:
@echo X$(CXX_SOURCE_FILES)Y
endif
$ make
XY
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