From 6087b9e439fd74e82730657a104b7d991eb08d72 Mon Sep 17 00:00:00 2001
From: FARBOS Arnaud <farbos.arnaud@gmail.com>
Date: Wed, 15 Jun 2016 16:50:08 +0200
Subject: FindGLEW: Search for debug and release configurations separately

---
 Modules/FindGLEW.cmake | 43 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 9 deletions(-)

diff --git a/Modules/FindGLEW.cmake b/Modules/FindGLEW.cmake
index f42182f..7413289 100644
--- a/Modules/FindGLEW.cmake
+++ b/Modules/FindGLEW.cmake
@@ -35,20 +35,45 @@
 #  License text for the above reference.)
 
 find_path(GLEW_INCLUDE_DIR GL/glew.h)
-find_library(GLEW_LIBRARY NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64)
 
-set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})
-set(GLEW_LIBRARIES ${GLEW_LIBRARY})
+if(NOT GLEW_LIBRARY)
+  find_library(GLEW_LIBRARY_RELEASE NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64)
+  find_library(GLEW_LIBRARY_DEBUG NAMES GLEWd glew32d glewd PATH_SUFFIXES lib64)
+
+  include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
+  select_library_configurations(GLEW)
+endif ()
 
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 find_package_handle_standard_args(GLEW
                                   REQUIRED_VARS GLEW_INCLUDE_DIR GLEW_LIBRARY)
 
-if(GLEW_FOUND AND NOT TARGET GLEW::GLEW)
-  add_library(GLEW::GLEW UNKNOWN IMPORTED)
-  set_target_properties(GLEW::GLEW PROPERTIES
-    IMPORTED_LOCATION "${GLEW_LIBRARY}"
-    INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+if(GLEW_FOUND)
+  set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})
+
+  if(NOT GLEW_LIBRARIES)
+    set(GLEW_LIBRARIES ${GLEW_LIBRARY})
+  endif()
+
+  if (NOT TARGET GLEW::GLEW)
+    add_library(GLEW::GLEW UNKNOWN IMPORTED)
+    set_target_properties(GLEW::GLEW PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+
+    if(GLEW_LIBRARY_RELEASE)
+      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+      set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_LIBRARY_RELEASE}")
+    endif()
+
+    if(GLEW_LIBRARY_DEBUG)
+      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+      set_target_properties(GLEW::GLEW PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_LIBRARY_DEBUG}")
+    endif()
+
+    if(NOT GLEW_LIBRARY_RELEASE AND NOT GLEW_LIBRARY_DEBUG)
+      set_property(TARGET GLEW::GLEW APPEND PROPERTY IMPORTED_LOCATION "${GLEW_LIBRARY}")
+    endif()
+  endif()
 endif()
 
-mark_as_advanced(GLEW_INCLUDE_DIR GLEW_LIBRARY)
+mark_as_advanced(GLEW_INCLUDE_DIR)
-- 
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