At 02:30 PM 12/22/2006, Gautreaux, Richard wrote:
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I am having a problem with a makefile and cannot solve it on my own
after looking through the documentation for GNU make.
What I am trying to do is compare the argument passed in to the make
util. So I am trying to set something if the arg is
vxWorks.bin. So here is a portion of my makefile.
I am calling make vxWorks.bin and the following code does not compare to TRUE.
ifeq (<mailto:$@,vxWorks.bin>$@,vxWorks.bin)
LDFLAGS += -T$(BSP_PATH)/ldscript.ld
endif
I cannot get this to evaluate to TRUE even though if I echo the
statement $@ and vxWorks.bin they both print
vxWorks.bin
vxWorks.bin
Any help would be greatly appriciated.
First, $@ is defined only within a build script (aka command). GNU
make conditionals are defined only outside of a build script. Thus
you cannot use them together.
Second, the normal solution to your problem would be via
target-specific variable settings. See section 6.10 of the online
manual. Something like
vxWorks.bin: LDFLAGS += ...
-David Boyce
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