K 10
svn:author
V 8
tcberner
K 8
svn:date
V 27
2018-12-29T18:47:12.542145Z
K 7
svn:log
V 264
astro/kstars: fix linking with lld7

kstars tries to pass -z nodump to the linker, which is not supported by lld7.

This patch adds a little CMake function to check whether the linker accepts that flag,
and if not does not add it.

PR:		230603
Reported by:	jbeich

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