Fix compilation issues after update to GCC 15 (pt. 1)

Author: botder

Server/dbconmy/premake5.lua

@@ -56,15 +56,11 @@ project "Dbconmy"
 	if GLIBC_COMPAT then
 		filter { "system:linux" }
 			buildoptions { "-pthread" }
-			linkoptions { "-l:libmysqlclient.a", "-pthread", "-lssl", "-lcrypto" }
-			links { "z", "dl", "m" }
+			linkoptions { "-pthread" }
+			links { "z", "dl", "m", "mysqlclient", "zstd", "ssl", "crypto", "resolv" }
 	else
 		filter "system:not windows"
 			links { "mysqlclient" }
-		filter {"system:linux", "platforms:x86"}
-			libdirs { "/usr/lib32/mysql" }
-		filter {"system:linux", "platforms:x64"}
-			libdirs { "/usr/lib64/mysql" }
 	end
 
 	filter { "system:windows", "platforms:x64" }

Shared/sdk/SharedUtil.Legacy.h

@@ -28,8 +28,12 @@ namespace SharedUtil
     }
 }            // namespace SharedUtil
 
-#define PRId64  "lld"
-#define PRIx64  "llx"
+#ifndef PRId64
+    #define PRId64  "lld"
+#endif
+#ifndef PRIx64
+    #define PRIx64  "llx"
+#endif
 
 // Crazy thing
 #define LOCAL_FUNCTION_START    struct local {

vendor/lua/src/lapi.c

@@ -386,7 +386,7 @@ LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {
 LUA_API unsigned (lua_tostringhash) (lua_State *L, int idx) {
     StkId o = index2adr(L, idx);
     if (!ttisstring(o))
-        return NULL;
+        return 0;
 
     return tsvalue(o)->hash;
 }

vendor/zlib/gzguts.h

@@ -44,6 +44,8 @@
 
 #ifdef _WIN32
 #  include <stddef.h>
+#else
+#  include <unistd.h>
 #endif
 
 #if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32)