K 10
svn:author
V 3
cmt
K 8
svn:date
V 27
2018-12-06T14:52:15.684838Z
K 7
svn:log
V 223
gexiv2: fix build with non-clang compilers

clang silently ignores empty arguments, others do complain. Set up
conditional arguments like the meson documentation recommends.

PR:		233668
Reported by:	Piotr Kubaj, jhibbits@

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