X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=configure.ac;h=7f0dd5ca2ad0507ceb2f4acbd83170b508b68908;hb=2c2a8af7bcc3529dabe2a1cb71386f41259fba69;hp=fedb26f05904672a1b745aa6c2ff7831fc1ea372;hpb=d5d9ee62b8b7a98e2b50fa47ef464c9316dfeb12;p=collectd.git

diff --git a/configure.ac b/configure.ac
index fedb26f0..7f0dd5ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2919,15 +2919,15 @@ fi
 
 if test "x$with_liblua" = "xyes"
 then
-  SAVE_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS $LUA_CFLAGS"
+  SAVE_CPPFLAGS="$CPPFLAGS"
+  CPPFLAGS="$CPPFLAGS $LUA_CFLAGS"
 
   AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
     [with_liblua="yes"],
     [with_liblua="no (header not found)"]
   )
 
-  CFLAGS="$SAVE_CFLAGS"
+  CPPFLAGS="$SAVE_CPPFLAGS"
 fi
 
 if test "x$with_liblua" = "xyes"