This file is part of MXE.
See index.html for further information.
This patch has been taken from:
diff -ur fltk-1.3.x-r8659.orig/configure.in fltk-1.3.x-r8659/configure.in
--- fltk-1.3.x-r8659.orig/configure.in 2011-03-07 03:54:58.000000000 +1100
+++ fltk-1.3.x-r8659/configure.in 2011-05-24 22:11:40.000000000 +1000
@@ -25,7 +25,7 @@
AC_INIT(src/Fl.cxx)
dnl So --with-archflags option is used during "checking size of long"
-if test `uname` = Darwin; then
+if test `uname` = Darwin && test "x$cross_compiling" = xno ; then
if test "x$with_archflags" != x ; then
CFLAGS="$CFLAGS $with_archflags"
fi