[inja] Use inja CMakeLists.txt (#7402)

* Provide CMake configs

* Fix mismatching version in CMakeLists.txt (2.0.0 -> 2.1.0)

* Update license (use LICENSE as copyright instead of using single header file as copyright)

ports/inja/CONTROL

@@ -1,4 +1,4 @@
 Source: inja
-Version: 2.1.0
+Version: 2.1.0-1
 Build-Depends: nlohmann-json
 Description: Inja - A Template Engine for Modern C++

ports/inja/cmake-version.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 115c898..176bf2d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,7 +1,7 @@
+ cmake_minimum_required(VERSION 3.5)
+ 
+ 
+-project(inja LANGUAGES CXX VERSION 2.0.0)
++project(inja LANGUAGES CXX VERSION 2.1.0)
+ 
+ 
+ option(INJA_USE_EMBEDDED_JSON "Use the shipped json header if not available on the system" ON)

ports/inja/portfile.cmake

@@ -5,7 +5,27 @@ vcpkg_from_github(
     REF v2.1.0
     SHA512 6b3a3a6a9e2adff14083a8e83c95fdc5ccf0c930acff40c4cf6c11d67b0df18fd941307e5d1f0c45dcfcb4c4afd0026b718ca510a2b297b9c6be048f5b144d42
     HEAD_REF master
+    PATCHES
+        cmake-version.patch
 )
-file(INSTALL ${SOURCE_PATH}/single_include/inja/inja.hpp DESTINATION ${CURRENT_PACKAGES_DIR}/include)
-file(INSTALL ${SOURCE_PATH}/single_include/inja/inja.hpp DESTINATION ${CURRENT_PACKAGES_DIR}/share/inja RENAME copyright)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH "${SOURCE_PATH}"
+    PREFER_NINJA
+    OPTIONS
+        -DINJA_USE_EMBEDDED_JSON=OFF
+        -DBUILD_TESTING=OFF
+        -DBUILD_BENCHMARK=OFF
+)
+
+vcpkg_install_cmake()
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/inja)
 vcpkg_copy_pdbs()
+
+# Inja is a header-only library
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/lib")
+# Don't need built-in nlohmann-json as this package depends on nlohmann-json
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/include/inja/json")
+
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/inja RENAME copyright)