Hi,
Building dovecot-2.4.2 fails to build against lua5-1:
$ ./configure --with-lua
[...]
checking for lua5.1 >= 5.1 lua5.1 != 5.2... yes
configure: using library lua5.1
checking for lua_newstate... yes
checking for luaL_setfuncs... no
checking for luaL_setmetatable... no
checking for lua_isinteger... no
checking for lua_resume... yes
checking for lua_seti... no
checking for lua_tointegerx... no
checking for lua_yieldk... no
[...]
$ make
[...]
CC dlua-iostream.lo
dlua-iostream.c:16:28: error: field 'stream' has incomplete type
16 | struct luaL_Stream stream;
| ^~~~~~
dlua-iostream.c: In function 'dlua_o_write':
dlua-iostream.c:68:24: error: implicit declaration of function
'luaL_tolstring'; did you mean 'lua_tolstring'?
[-Wimplicit-function-declaration]
68 | vec.iov_base = luaL_tolstring(L, 2, &vec.iov_len);
| ^~~~~~~~~~~~~~
| lua_tolstring
dlua-iostream.c:68:22: error: assignment to 'const void *' from 'int' makes
pointer from integer without a cast [-Wint-conversion]
68 | vec.iov_base = luaL_tolstring(L, 2, &vec.iov_len);
| ^
dlua-iostream.c:73:24: error: implicit declaration of function
'luaL_fileresult'; did you mean 'luaL_pushresult'?
[-Wimplicit-function-declaration]
73 | return luaL_fileresult(L, 0,
o_stream_get_name(stream->os));
| ^~~~~~~~~~~~~~~
| luaL_pushresult
make[3]: *** [Makefile:786: dlua-iostream.lo] Error 1
Same configure and make commands succeed when run against lua5-4. Not
sure if this was intentional as we still check for >= lua5-1 != lua5-2
in m4/want_lua.m4
Thanks
--
Eray
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