VPATH/vpath: does it work for -l<libname> prereqs?
I can get it (VPATH/vpath) to work for single-directory library
dependencies (I think), but when I start adding a list of directories for
which I want VPATH/vpath (either or both, vpath with %.a, %.so, or %),
things break down.
For example, I have my own $(MY_EXTERNAL_LIBS)/libboost_filesystem.so , but
when I add $(MY_EXTERNAL_LIBS) to the VPATH, the aforementioned .so file
gets replaced by /usr/lib/libboost_filesystem.so in the linker command of
the rule (which is using $^).
Further, the libraries in $(MY_EXTERNAL_LIBS) which are not also found in
/usr/lib (and the other system lib dirs)
This leads me to suspect that either vpath/VPATH for lib dependencies
and/or multiple dir paths is faulty...or I'm using it in a faulty way.
I'm running GNU make 3.80 on CentOS4.0 (RHEL 4.0).
If I can't figure this out, I'll be attempting to isolate the problem and
example environment in a tar-ball that I plan to email to this list...so
you can see the entire picture (or at least as much as possible).
I have more investigating to do, but I wanted to toss this note to the list
to see if some gurus are already familiar with my plight.
-Matt
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