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GNU makism crept in over weekend


The following segment in a built gcc/Makefile is not
handled by FreeBSD make:

gcov-iov.h: gcov-iov$(build_exeext)
        ./$< > $@

This works as expected:

gcov-iov.o: gcov-iov.c
        echo ./$< > $@

; make
echo ./gcov-iov.c > gcov-iov.o


The usage in gcc/Makefile, expands to ./

Found on ref5 autobuilder.

Regards,
Loren

(I can commit the obvious patch.)


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