simplify lua compile test

diff --git a/configure.ac b/configure.ac
index f8c56b37c9cd4ee75cc4e8d89d9a66f696787334..4c242e9482f4ef57b75e2c12f1f60270d1cffe19 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -946,7 +946,7 @@ else
         fi
     
         AC_MSG_CHECKING(for Lua compiling and linking)
-        LUA_TEST=`LT=luatest.c ; echo "#include <lua.h>" > $LT;  echo "#include <lualib.h>" >> $LT; echo "int main() { luaopen_base((lua_State *)lua_open()); return 0; }" >> $LT ; $CC -Wall $LT -o $LT.out $LUA_INCLUDES $LUA_LIBS $CFLAGS $LDFLAGS 1>/dev/null 2>&1 ; echo $?; rm -f $LT $LT.out 1>/dev/null 2>&1`
+        LUA_TEST=`LT=luatest.c ; echo "#include <lua.h>" > $LT;  echo "#include <lualib.h>" >> $LT; echo "int main() { return 0; }" >> $LT ; $CC -Wall $LT -o $LT.out $LUA_INCLUDES $LUA_LIBS $CFLAGS $LDFLAGS 1>/dev/null 2>&1 ; echo $?; rm -f $LT $LT.out 1>/dev/null 2>&1`
         if test "x$LUA_TEST" != "x0" ; then
           AC_MSG_RESULT(no)
           AC_MSG_WARN([