LDFLAGS mystery

Stephen Montgomery-Smith stephen at missouri.edu
Sun Jan 22 03:09:51 UTC 2012

On 01/21/2012 03:02 PM, Stephen Montgomery-Smith wrote:
> If I build a port that uses "USE_FORTRAN", then the variable ${LDFLAGS}
> has an extra space in it. For example
> %cd /usr/ports/math/lapack
> %make -V LDFLAGS
> -Wl,-rpath=/usr/local/lib/gcc46
> %make -V MAKE_ENV
> .... LDFLAGS=" -Wl,-rpath=/usr/local/lib/gcc46" ...
> I am trying to create a port in which this creates problems.
> Where does the extra space at the beginning come from, and how do I get
> rid of it?

I solved the mystery.  Inside /usr/share/mk/sys.mk is the line:

LDFLAGS         ?=

I think that it is a bug in "make" that


results in XXX having the value " xxx".

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