Adding WREN to vcpkg (#7242)

* First pass wren port

* Add warnings defs, dont specifically use static

* Revert warnings

* See if bringing back new lines fixes windows build issues

* Try force static

* Remove STATIC

* Force static

ports/wren/CMakeLists.txt

@@ -0,0 +1,50 @@
+# CMake taken from https://github.com/walterschell/wren/blob/cmake/CMakeLists.txt
+
+# Need transitive dependencies introduced in 2.8.12
+cmake_minimum_required(VERSION 2.8.12)
+
+project(Wren LANGUAGES "C")
+
+set(wren_warning_flags "-Wall" "-Wextra" "-Werror" "-Wno-unused-parameter")     
+
+IF (WIN32)
+    ADD_DEFINITIONS (-D_CRT_SECURE_NO_WARNINGS )
+ENDIF ()
+
+set(opt_DIR "src/optional")
+set(vm_DIR "src/vm")
+
+# TODO: Don't glob
+file(GLOB opt_SRCS ${opt_DIR}/*.c)
+file(GLOB vm_SRCS ${vm_DIR}/*.c)
+
+set(wren_SRCS ${vm_SRCS} ${opt_SRCS})
+
+add_library(wren ${wren_SRCS})
+
+target_include_directories(wren PUBLIC src/include PRIVATE src/vm src/optional)
+
+target_link_libraries(wren INTERFACE m)
+
+target_compile_options(wren PRIVATE "-Wall")
+
+if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+    target_compile_options(wren PUBLIC -DDEBUG)
+endif()
+
+
+INSTALL (TARGETS wren
+    RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin
+    LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
+)
+
+
+IF (NOT DEFINED SKIP_INSTALL_HEADERS)
+    INSTALL(
+        FILES
+            src/include/wren.h
+            src/include/wren.hpp
+        DESTINATION include
+    )
+ENDIF ()

ports/wren/CONTROL

@@ -0,0 +1,4 @@
+Source: wren
+Version: 2019-07-01
+Homepage: https://github.com/wren-lang/wren
+Description: Wren is a small, fast, class-based concurrent scripting language.

ports/wren/portfile.cmake

@@ -0,0 +1,27 @@
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO wren-lang/wren
+    REF d1a0d0682ac072fa20f2dcca356dac06565e93a1
+    SHA512 d6b7555da10ea209d04308467563ec401f699a22ca8524e4ae65fd050b0403c5e70430047dbb6a883b8021ab50525c17bb63d76543e7c59dfe4b521cfde6c413
+    HEAD_REF master
+)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DCOMPILE_AS_CPP=OFF
+)
+
+vcpkg_install_cmake()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+configure_file(${SOURCE_PATH}/LICENSE ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright COPYONLY)
+
+vcpkg_copy_pdbs()