compiler warnings from cvs tip

I'm getting the warnings below from current cvs. My configure line looks
like:

./configure --enable-integer-datetimes --enable-locale --enable-debug
--enable-cassert --enable-multibyte --enable-syslog --enable-nls
--enable-depend

Joe

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gcc -O2 -g -Wall -Wmissing-prototypes -Wmissing-declarations
-I../../../../src/include -c -o conv.o conv.c -MMD
conv.c:41: warning: `euc_kr2mic' defined but not used
conv.c:67: warning: `mic2euc_kr' defined but not used
conv.c:97: warning: `euc_cn2mic' defined but not used
conv.c:123: warning: `mic2euc_cn' defined but not used
conv.c:288: warning: `latin12mic' defined but not used
conv.c:293: warning: `mic2latin1' defined but not used
conv.c:298: warning: `latin22mic' defined but not used
conv.c:303: warning: `mic2latin2' defined but not used
conv.c:308: warning: `latin32mic' defined but not used
conv.c:313: warning: `mic2latin3' defined but not used
conv.c:318: warning: `latin42mic' defined but not used
conv.c:323: warning: `mic2latin4' defined but not used
conv.c:375: warning: `koi8r2mic' defined but not used
conv.c:382: warning: `mic2koi8r' defined but not used
conv.c:478: warning: `iso2mic' defined but not used
conv.c:504: warning: `mic2iso' defined but not used
conv.c:530: warning: `win12512mic' defined but not used
conv.c:556: warning: `mic2win1251' defined but not used
conv.c:582: warning: `alt2mic' defined but not used
conv.c:608: warning: `mic2alt' defined but not used
conv.c:642: warning: `win12502mic' defined but not used
conv.c:666: warning: `mic2win1250' defined but not used