Merge-mark #453

Job	Run time
build (gcc)	1m 39s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 41s
test (gcc)	3m 56s
build (gcc, --disable-xft)	1m 41s
test (gcc, --disable-xft)	3m 53s
build (gcc, --disable-xss)	2m 14s
test (gcc, --enable-symbols)	3m 30s
build (gcc, --enable-symbols)	2m 10s
build (clang)	1m 56s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 47s
build (clang, --disable-xft)	1m 51s
build (clang, --disable-xss)	2m 7s
build (clang, --enable-symbols)	1m 24s
	29m 49s

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