[cello] Add new port (#7386)

ports/cello/CMakeLists.txt

@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(cello LANGUAGES C)
+
+include(GNUInstallDirs)
+
+file(GLOB cello_sources src/*.c)
+add_library(cello ${cello_sources})
+
+target_include_directories(
+    cello
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+set_target_properties(cello PROPERTIES PUBLIC_HEADER include/Cello.h)
+
+install(TARGETS cello EXPORT unofficial-cello-config)
+
+install(
+    EXPORT unofficial-cello-config
+    NAMESPACE unofficial::cello::
+    DESTINATION share/unofficial-cello
+    PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
+)

ports/cello/CONTROL

@@ -0,0 +1,4 @@
+Source: cello
+Version: 2019-07-23
+Description: Higher level programming in C
+Homepage: http://libcello.org/

ports/cello/portfile.cmake

@@ -0,0 +1,32 @@
+include(vcpkg_common_functions)
+
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO orangeduck/Cello
+    REF da28eefbc95d8bd5628e5f1c4cc12bc1b13fef4f
+    SHA512 64825cf37223dd679b379d78475218a543690c3b78333acb906d42982261df4b9ada3a87bea183fad5e2cf220311904e657b0bf5051b141c389d5ee1d2974e5b
+    HEAD_REF master
+)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+)
+
+vcpkg_install_cmake()
+
+vcpkg_copy_pdbs()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH share/unofficial-${PORT} TARGET_PATH share/unofficial-${PORT})
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+configure_file(${SOURCE_PATH}/LICENSE.md ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright COPYONLY)
+
+# CMake integration test
+vcpkg_test_cmake(PACKAGE_NAME unofficial-${PORT})