Hello. Does GNU make provide any way to construct a
conditional which tests whether any target was specified
explicitly?
Here's what I would like to do, in pseudocode -- I can think
of some ways to achieve this (e.g., use different target names
or have the user specify a flag on the command line, but I'm
hoping I can get the kind of automagic behavior I want):
##############################################################
# two targets, this and that
#
# if user did not specify a target on command line, then assume
# the user wants a full dependency scan -- otherwise, do not
# do a dependency scan
.PHONY: all this that
all : this that
ifdef NO_TARGET_SPECIFIED_ON_COMMAND_LINE
this : that
endif
this :
compile this
that :
compile that
############################################################
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