+dnl ****************************************
+dnl *** Check if we're building on win32 ***
+dnl ****************************************
+AC_MSG_CHECKING([if building for some Win32 platform])
+case "$host" in
+ *-*-mingw*|*-*-cygwin*)
+ platform_win32=yes
+ AC_DEFINE(PLATFORM_WIN32)
+ CC="gcc -mno-cygwin"
+ ;;
+ *)
+ platform_win32=no
+ ;;
+esac
+AC_MSG_RESULT($platform_win32)
+AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
+