[rttr] Use from github, slight patch simplification.

ports/rttr/fix-directory-output.patch

@@ -1,16 +1,3 @@
-diff --git a/CMake/config.cmake b/CMake/config.cmake
-index 1d753b3..02fe814 100644
---- a/CMake/config.cmake
-+++ b/CMake/config.cmake
-@@ -124,7 +124,7 @@ install(
-   FILES
-     "${CMAKE_CURRENT_BINARY_DIR}/CMake/rttr-config-version.cmake"
-   DESTINATION
--    cmake
-+    share/rttr
-   COMPONENT
-     Devel
- )
 diff --git a/CMakeLists.txt b/CMakeLists.txt
 index d64ee41..e33e7bf 100644
 --- a/CMakeLists.txt
@@ -21,16 +8,3 @@ index d64ee41..e33e7bf 100644
  # here we specify the installation directory
 -set(CMAKE_INSTALL_PREFIX ${RTTR_INSTALL_DIR} CACHE PATH  "RTTR install prefix" FORCE)
 +set(CMAKE_INSTALL_PREFIX ${RTTR_INSTALL_DIR} CACHE PATH  "RTTR install prefix")
-diff --git a/src/rttr/CMakeLists.txt b/src/rttr/CMakeLists.txt
-index 3dffa2c..405b377 100644
---- a/src/rttr/CMakeLists.txt
-+++ b/src/rttr/CMakeLists.txt
-@@ -47,7 +47,7 @@ install(TARGETS rttr_core EXPORT rttr_targets
-         ARCHIVE DESTINATION ${RTTR_LIB_INSTALL_DIR})
-         
- install(EXPORT rttr_targets
--        DESTINATION cmake
-+        DESTINATION share/rttr
-         NAMESPACE RTTR::
-         FILE rttr-config.cmake)
-         

ports/rttr/portfile.cmake

@@ -1,19 +1,22 @@
 if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
-  message("Rttr only supports dynamic library linkage")
-  set(VCPKG_LIBRARY_LINKAGE "dynamic")
+    message("Rttr only supports dynamic library linkage")
+    set(VCPKG_LIBRARY_LINKAGE "dynamic")
+endif()
+if(VCPKG_CRT_LINKAGE STREQUAL "static")
+    message(FATAL_ERROR "Rttr only supports dynamic library linkage, so cannot be built with static CRT")
 endif()
 
 include(vcpkg_common_functions)
-set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/rttr-0.9.5-src)
-vcpkg_download_distfile(ARCHIVE
-    URLS "http://www.rttr.org/releases/rttr-0.9.5-src.zip"
-    FILENAME "rttr-0.9.5-src.zip"
-    SHA512 49110cb588d2dd40a42de34b21a898fe7e21bd1e57f33b9183292c9e7cb8c8aa9e811e24613854a91e97d5cee2e561b430d89deab9f715081a3c6a1866966258
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO rttrorg/rttr
+    REF v0.9.5
+    SHA512 b451f24fd4bdc4b7d9ecabdb6fd261744852e68357ec36573109354a25f2bf494908b9d4174602b59dd5005c42ba8edc3b35ec1d1386384db421805ac9994608
+    HEAD_REF master
 )
-vcpkg_extract_source_archive(${ARCHIVE})
 
 vcpkg_apply_patches(
-    SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/rttr-0.9.5-src
+    SOURCE_PATH ${SOURCE_PATH}
     PATCHES
         "${CMAKE_CURRENT_LIST_DIR}/fix-directory-output.patch"
         "${CMAKE_CURRENT_LIST_DIR}/disable-unit-tests.patch"
@@ -26,14 +29,14 @@ vcpkg_configure_cmake(
 
 vcpkg_install_cmake()
 
-vcpkg_fixup_cmake_targets()
+vcpkg_fixup_cmake_targets(CONFIG_PATH cmake)
 
 #Handle copyright
 file(COPY ${SOURCE_PATH}/LICENSE.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/rttr)
 file(RENAME ${CURRENT_PACKAGES_DIR}/share/rttr/LICENSE.txt ${CURRENT_PACKAGES_DIR}/share/rttr/copyright)
 file(REMOVE_RECURSE
-    ${CURRENT_PACKAGES_DIR}/cmake
     ${CURRENT_PACKAGES_DIR}/debug/include
+    ${CURRENT_PACKAGES_DIR}/debug/share
     ${CURRENT_PACKAGES_DIR}/debug/README.md
     ${CURRENT_PACKAGES_DIR}/debug/LICENSE.txt
     ${CURRENT_PACKAGES_DIR}/LICENSE.txt