--- plplot/cmake/modules/FindGD.cmake.orig	2014-04-06 11:52:17.031600000 +0400
+++ plplot/cmake/modules/FindGD.cmake	2014-04-06 11:52:53.208000000 +0400
@@ -14,7 +14,7 @@
 /usr/include
 )
 
-if(WIN32_AND_NOT_CYGWIN)
+if(WIN32_AND_NOT_CYGWIN AND NOT MINGW)
   set(GD_NAMES ${GD_NAMES} bgd)
 else(WIN32_AND_NOT_CYGWIN)
   set(GD_NAMES ${GD_NAMES} gd)
@@ -33,7 +33,7 @@
 endif(GD_LIBRARY AND GD_INCLUDE_DIR)
 
 if(GD_FOUND)
-  if(WIN32_AND_NOT_CYGWIN)
+  if(WIN32_AND_NOT_CYGWIN AND NOT MINGW)
     set(GD_SUPPORTS_PNG ON)
     set(GD_SUPPORTS_JPEG ON)
     set(GD_SUPPORTS_GIF ON)