[sx] Add new port

ports/sx/CONTROL

@@ -0,0 +1,3 @@
+Source: sx
+Version: 2019-04-27
+Description: Portable base library for C programmers, designed for performance and simplicity.

ports/sx/portfile.cmake

@@ -0,0 +1,41 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO septag/sx
+    REF 161d7d77a3bdcc8a55846e2dd1791773888fce24
+    SHA512 198476793c921d8859f5f5b9ffe8915a7bc4b1d9d518e6772b3d90ccd03a7f5debe5bde32d7d5164f64a0beda53c5dcd06849814e7df447bccb93aa13bbca8b0
+    HEAD_REF master
+    PATCHES
+        win32-sharedlib.patch
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" SX_SHARED_LIB)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    OPTIONS
+        -DSX_BUILD_TESTS=OFF
+        -DSX_SHARED_LIB=${SX_SHARED_LIB}
+)
+
+vcpkg_install_cmake()
+
+vcpkg_copy_pdbs()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/${PORT})
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
+    vcpkg_replace_string(${CURRENT_PACKAGES_DIR}/include/sx/config.h
+        "define SX_CONFIG_SHARED_LIB 0"
+        "define SX_CONFIG_SHARED_LIB 1"
+    )
+endif()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+configure_file(${SOURCE_PATH}/LICENSE ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright COPYONLY)
+
+# CMake integration test
+vcpkg_test_cmake(PACKAGE_NAME ${PORT})

ports/sx/win32-sharedlib.patch

@@ -0,0 +1,14 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 840692e..8a4eb9e 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -226,7 +226,8 @@ install(
+     TARGETS sx
+     EXPORT sx-config
+     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
++    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
++    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+ 
+ install(
+     EXPORT sx-config