Backport part of [29ba539501]: many PIXEL options don't keep their co… #3317

Job	Run time
test (gcc)	3m 56s
build (gcc)	1m 54s
test (gcc, --disable-xft)	4m 38s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 45s
test (gcc, --enable-symbols)	3m 21s
build (gcc, --disable-shared)	1m 40s
build (gcc, --disable-xft)	1m 57s
build (gcc, --disable-xss)	1m 48s
build (gcc, --enable-symbols)	1m 20s
build (clang)	1m 55s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	2m 4s
build (clang, --disable-shared)	1m 59s
build (clang, --disable-xft)	1m 52s
build (clang, --disable-xss)	1m 55s
build (clang, --enable-symbols)	1m 33s
	33m 37s

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