+# --with-liblua {{{
+AC_ARG_VAR([LIBLUA_PKG_CONFIG_NAME], [Name of liblua used by pkg-config])
+if test "x$LIBLUA_PKG_CONFIG_NAME" != "x"
+then
+ PKG_CHECK_MODULES([LUA], [$LIBLUA_PKG_CONFIG_NAME],
+ [with_liblua="yes"],
+ [with_liblua="no"]
+ )
+else
+ PKG_CHECK_MODULES([LUA], [lua],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua-5.3],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua5.3],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua-5.2],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua5.2],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua-5.1],
+ [with_liblua="yes"],
+ [
+ PKG_CHECK_MODULES([LUA], [lua5.1],
+ [with_liblua="yes"],
+ [with_liblua="no (pkg-config cannot find liblua)"]
+ )
+ ]
+ )
+ ]
+ )
+ ]
+ )
+ ]
+ )
+ ]
+ )
+ ]
+ )
+fi
+
+if test "x$with_liblua" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $LUA_CFLAGS"
+
+ AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
+ [with_liblua="yes"],
+ [with_liblua="no (header not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+
+if test "x$with_liblua" = "xyes"
+then
+ SAVE_LIBS="$LIBS"
+ LIBS="$LIBS $LUA_LIBS"
+
+ AC_CHECK_FUNC([lua_settop],
+ [with_liblua="yes"],
+ [with_liblua="no (symbol 'lua_settop' not found)"]
+ )
+
+ LIBS="$SAVE_LIBS"
+fi
+
+if test "x$with_liblua" = "xyes"
+then
+ BUILD_WITH_LIBLUA_CFLAGS="$LUA_CFLAGS"
+ BUILD_WITH_LIBLUA_LIBS="$LUA_LIBS"
+fi
+AC_SUBST(BUILD_WITH_LIBLUA_CFLAGS)
+AC_SUBST(BUILD_WITH_LIBLUA_LIBS)
+# }}}
+