Implementation of TIP 652. #4097

Job	Run time
gcc	4m 36s
msvc	10m 51s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	4m 35s
msvc (CHECKS=nodep)	10m 55s
gcc (--disable-shared)	13m 14s
msvc (OPTS=static)	9m 46s
msvc (OPTS=noembed)	9m 46s
msvc (OPTS=symbols)	9m 35s
gcc (--disable-zipfs)	12m 58s
msvc (OPTS=symbols STATS=compdbg,memdbg)	6m 44s
gcc (--enable-symbols)	11m 33s
gcc (--enable-symbols=mem)	5m 40s
gcc (--enable-symbols=all)	7m 32s
	1h 57m 45s

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