[assimp] Fix assimp overwriting CMAKE_PREFIX_PATH.

ports/assimp/CONTROL

@@ -1,4 +1,4 @@
 Source: assimp
-Version: 4.0.1-1
+Version: 4.0.1-2
 Description: The Open Asset import library
 Build-Depends: zlib

ports/assimp/dont-overwrite-prefix-path.patch

@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d781d1f..0d64d50 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -92,7 +92,6 @@ if (WIN32)
+ endif()
+ 
+ IF(MSVC)
+-  set (CMAKE_PREFIX_PATH "D:\\libs\\devil")
+   OPTION( ASSIMP_INSTALL_PDB
+     "Install MSVC debug files."
+     ON

ports/assimp/portfile.cmake

@@ -10,17 +10,20 @@ vcpkg_from_github(
 
 vcpkg_apply_patches(
     SOURCE_PATH ${SOURCE_PATH}
-    PATCHES ${CMAKE_CURRENT_LIST_DIR}/const-compare-worditerator.patch
+    PATCHES
+        "${CMAKE_CURRENT_LIST_DIR}/const-compare-worditerator.patch"
+        "${CMAKE_CURRENT_LIST_DIR}/dont-overwrite-prefix-path.patch"
 )
 
+file(REMOVE ${SOURCE_PATH}/cmake-modules/FindZLIB.cmake)
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
-    OPTIONS -DASSIMP_BUILD_TESTS=False
-            -DASSIMP_BUILD_ASSIMP_VIEW=False
-            -DASSIMP_BUILD_ZLIB=False
-            -DASSIMP_BUILD_ASSIMP_TOOLS=False
-            -DASSIMP_INSTALL_PDB=False
-            -DZLIB_HOME=${CURRENT_INSTALLED_DIR}
+    OPTIONS -DASSIMP_BUILD_TESTS=OFF
+            -DASSIMP_BUILD_ASSIMP_VIEW=OFF
+            -DASSIMP_BUILD_ZLIB=OFF
+            -DASSIMP_BUILD_ASSIMP_TOOLS=OFF
+            -DASSIMP_INSTALL_PDB=OFF
 )
 
 vcpkg_install_cmake()
@@ -30,8 +33,6 @@ vcpkg_fixup_cmake_targets(CONFIG_PATH "lib/cmake/assimp-4.0")
 vcpkg_copy_pdbs()
 
 file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share)
-file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/lib/cmake)
-file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/lib/cmake)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 
 file(READ ${CURRENT_PACKAGES_DIR}/share/assimp/assimp-config.cmake ASSIMP_CONFIG)