Guard some symbols for ancient (pre-2004) versions of zlib

This commit is contained in:
dmiller 2019-11-11 14:41:36 +00:00
parent 9ea82c000c
commit 6c18bfe10f

View file

@ -961,8 +961,12 @@ LUALIB_API int luaopen_zlib(lua_State *L)
PUSH_LITERAL(FILTERED)
PUSH_LITERAL(HUFFMAN_ONLY)
#ifdef Z_RLE
PUSH_LITERAL(RLE)
#endif
#ifdef Z_FIXED
PUSH_LITERAL(FIXED)
#endif
PUSH_LITERAL(DEFAULT_STRATEGY)
PUSH_NUMBER(MINIMUM_MEMLEVEL, 1)