+case "$host" in
+ *mingw* | *cygwin*)
+ AM_CONDITIONAL(WIN32_PKG, true)
+ AM_CONDITIONAL(MACOSX_PKG, false)
+ ;;
+ *darwin*)
+ AM_CONDITIONAL(WIN32_PKG, false)
+ AM_CONDITIONAL(MACOSX_PKG, true)
+ ;;
+ *)
+ AM_CONDITIONAL(WIN32_PKG, false)
+ AM_CONDITIONAL(MACOSX_PKG, false)
+ ;;
+esac