Attempting to resolve Windows MinGW linking error with PSAPI.

radixcore/CMakeLists.txt

@@ -16,7 +16,13 @@ TRIBITS_ADD_LIBRARY(radixcore
    SOURCES ${SOURCES}
    NOINSTALLHEADERS ${HEADERS}
 )
-
+#
+# Resolve MINGW linking of psapi library
+IF(MINGW)
+  FIND_LIBRARY(PSAPI psapi)
+  MESSAGE(STATUS "Checking required PSAPI library")
+  TARGET_LINK_LIBRARIES(radixcore "${PSAPI}")
+ENDIF()
 #
 # Add testing directory
 TRIBITS_ADD_TEST_DIRECTORIES(tests)