CVS: cvs.openbsd.org: ports

[Kurt Mosiejczuk]

CVSROOT:        /cvs
Module name:    ports
Changes by:     k...@cvs.openbsd.org    2022/09/19 14:11:41

Modified files:
        math/igraph    : Makefile 

Log message:
Only enable LTO when using clang since it isn't available on GCC.

Fixes build on sparc64