From 257bd7a60f0a906dc71c26146fc106babca4fb6d Mon Sep 17 00:00:00 2001
From: Alexander Neumann <30894796+Neumann-A@users.noreply.github.com>
Date: Fri, 6 Sep 2019 22:54:59 +0200
Subject: [VTK/GLEW] Fix Regression of VTK with newer CMake Versions (#7967)

* Add glew variables lost by cmakes new FindGLEW to wrapper
The variables are required by ports like VTK

* fix file location.

* completly refactor wrapper. Static case was not handled correctly

* add singular variables for pangolin
---
 ports/glew/CONTROL                   |  2 +-
 ports/glew/portfile.cmake            |  1 +
 ports/glew/vcpkg-cmake-wrapper.cmake | 25 +++++++++++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 ports/glew/vcpkg-cmake-wrapper.cmake

diff --git a/ports/glew/CONTROL b/ports/glew/CONTROL
index 41df4d08c..011b631b4 100644
--- a/ports/glew/CONTROL
+++ b/ports/glew/CONTROL
@@ -1,4 +1,4 @@
 Source: glew
-Version: 2.1.0-5
+Version: 2.1.0-6
 Description: The OpenGL Extension Wrangler Library (GLEW) is a cross-platform open-source C/C++ extension loading library.
 Homepage: https://github.com/nigels-com/glew
diff --git a/ports/glew/portfile.cmake b/ports/glew/portfile.cmake
index 818ee52ea..1a3bd2a10 100644
--- a/ports/glew/portfile.cmake
+++ b/ports/glew/portfile.cmake
@@ -63,5 +63,6 @@ vcpkg_copy_pdbs()
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
 
+file(INSTALL ${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/glew )
 file(INSTALL ${SOURCE_PATH}/LICENSE.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/glew RENAME copyright)
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/usage DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
diff --git a/ports/glew/vcpkg-cmake-wrapper.cmake b/ports/glew/vcpkg-cmake-wrapper.cmake
new file mode 100644
index 000000000..6ad9ae434
--- /dev/null
+++ b/ports/glew/vcpkg-cmake-wrapper.cmake
@@ -0,0 +1,25 @@
+include(SelectLibraryConfigurations)
+_find_package(GLEW CONFIG)
+if(GLEW_FOUND AND TARGET GLEW::GLEW AND NOT DEFINED GLEW_INCLUDE_DIRS)
+    get_target_property(GLEW_INCLUDE_DIRS GLEW::GLEW INTERFACE_INCLUDE_DIRECTORIES)
+    set(GLEW_INCLUDE_DIR ${GLEW_INCLUDE_DIRS})
+    get_target_property(_GLEW_DEFS GLEW::GLEW INTERFACE_COMPILE_DEFINITIONS)
+    if("${_GLEW_DEFS}" MATCHES "GLEW_STATIC")
+        get_target_property(GLEW_LIBRARY_DEBUG GLEW::GLEW IMPORTED_LOCATION_DEBUG)
+        get_target_property(GLEW_LIBRARY_RELEASE GLEW::GLEW IMPORTED_LOCATION_RELEASE)
+    else()
+        get_target_property(GLEW_LIBRARY_DEBUG GLEW::GLEW IMPORTED_IMPLIB_DEBUG)
+        get_target_property(GLEW_LIBRARY_RELEASE GLEW::GLEW IMPORTED_IMPLIB_RELEASE)
+    endif()
+    get_target_property(_GLEW_LINK_INTERFACE GLEW::GLEW IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE) # same for debug and release
+    list(APPEND GLEW_LIBRARIES ${_GLEW_LINK_INTERFACE})
+    list(APPEND GLEW_LIBRARY ${_GLEW_LINK_INTERFACE})
+    select_library_configurations(GLEW)
+    if("${_GLEW_DEFS}" MATCHES "GLEW_STATIC")
+        set(GLEW_STATIC_LIBRARIES ${GLEW_LIBRARIES})
+    else()
+        set(GLEW_SHARED_LIBRARIES ${GLEW_LIBRARIES})
+    endif()
+    unset(_GLEW_DEFS)
+    unset(_GLEW_LINK_INTERFACE)
+endif()
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