Here's the output of installing it... >>> Completed installing lua-5.1.2-r1 into /var/tmp/portage/dev-lang/lua-5.1.2-r1/image/ ecompressdir: bzip2 -9 usr/man strip: x86_64-pc-linux-gnu-strip --strip-unneeded -R .comment usr/lib64/liblua.so.5.1.2 usr/bin/luac usr/bin/lua usr/lib64/liblua.a making executable: usr/lib64/liblua.so.5.1.2 ./ ./usr/ ./usr/include/ ./usr/include/lualib.h ./usr/include/lua.hpp ./usr/include/luaconf.h ./usr/include/lua.h ./usr/include/lauxlib.h ./usr/lib64/ ./usr/lib64/liblua.so ./usr/lib64/pkgconfig/ ./usr/lib64/pkgconfig/lua.pc ./usr/lib64/liblua.la ./usr/lib64/liblua.so.5.1.2 ./usr/lib64/liblua.so.5 ./usr/lib64/liblua.a ./usr/lib/ ./usr/lib/debug/ ./usr/lib/debug/usr/ ./usr/lib/debug/usr/lib64/ ./usr/lib/debug/usr/lib64/liblua.so.5.1.2.debug ./usr/lib/debug/usr/bin/ ./usr/lib/debug/usr/bin/luac.debug ./usr/lib/debug/usr/bin/lua.debug ./usr/share/ ./usr/share/pixmaps/ ./usr/share/pixmaps/lua.ico ./usr/share/doc/ ./usr/share/doc/lua-5.1.2-r1/ ./usr/share/doc/lua-5.1.2-r1/HISTORY.bz2 ./usr/share/doc/lua-5.1.2-r1/html/ ./usr/share/doc/lua-5.1.2-r1/html/readme.html ./usr/share/doc/lua-5.1.2-r1/html/logo.gif ./usr/share/doc/lua-5.1.2-r1/html/lua.html ./usr/share/doc/lua-5.1.2-r1/html/amazon.gif ./usr/share/doc/lua-5.1.2-r1/html/luac.html ./usr/share/doc/lua-5.1.2-r1/html/contents.html ./usr/share/doc/lua-5.1.2-r1/html/manual.html ./usr/share/doc/lua-5.1.2-r1/README.bz2 ./usr/bin/ ./usr/bin/luac ./usr/bin/lua ./usr/man/ ./usr/man/man1/ >>> Done. >>> Merging dev-lang/lua-5.1.2-r1 to / --- /usr/ --- /usr/include/ >>> /usr/include/lualib.h >>> /usr/include/lua.hpp >>> /usr/include/luaconf.h >>> /usr/include/lua.h >>> /usr/include/lauxlib.h --- /usr/lib64/ --- /usr/lib64/pkgconfig/ >>> /usr/lib64/pkgconfig/lua.pc >>> /usr/lib64/liblua.la >>> /usr/lib64/liblua.so.5.1.2 >>> /usr/lib64/liblua.so.5 -> liblua.so.5.1.2 >>> /usr/lib64/liblua.a --- /usr/lib/ --- /usr/lib/debug/ --- /usr/lib/debug/usr/ --- /usr/lib/debug/usr/lib64/ >>> /usr/lib/debug/usr/lib64/liblua.so.5.1.2.debug --- /usr/lib/debug/usr/bin/ >>> /usr/lib/debug/usr/bin/luac.debug >>> /usr/lib/debug/usr/bin/lua.debug --- /usr/share/ --- /usr/share/pixmaps/ >>> /usr/share/pixmaps/lua.ico --- /usr/share/doc/ >>> /usr/share/doc/lua-5.1.2-r1/ >>> /usr/share/doc/lua-5.1.2-r1/HISTORY.bz2 >>> /usr/share/doc/lua-5.1.2-r1/html/ >>> /usr/share/doc/lua-5.1.2-r1/html/readme.html >>> /usr/share/doc/lua-5.1.2-r1/html/logo.gif >>> /usr/share/doc/lua-5.1.2-r1/html/lua.html >>> /usr/share/doc/lua-5.1.2-r1/html/amazon.gif >>> /usr/share/doc/lua-5.1.2-r1/html/luac.html >>> /usr/share/doc/lua-5.1.2-r1/html/contents.html >>> /usr/share/doc/lua-5.1.2-r1/html/manual.html >>> /usr/share/doc/lua-5.1.2-r1/README.bz2 --- /usr/bin/ >>> /usr/bin/luac >>> /usr/bin/lua >>> /usr/man/ >>> /usr/man/man1/ >>> /usr/lib64/liblua.so -> liblua.so.5.1.2 as you can see it wants man1 to exist... but doesn't actually stick a man page in there...
Uuups. I forgot to commit lua-5.1.2-r2 i have sitting here since this bug report. Lua and Luac do have a manpage, i just doesn't get installed via make install and i forgot to doman them. I have uploaded a corrected version now.