Improve cmakelists for vcpkg building

- Remove forced /MT directive.
- Allow building for debug.
- Add option to prevent building of example apps.

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required (VERSION 3.7.0)
 project (DiscordRPC)
 
+option(BUILD_EXAMPLES "Build example apps" ON)
+
 # format
 file(GLOB_RECURSE ALL_SOURCE_FILES
     examples/*.cpp examples/*.h examples/*.c
@@ -51,4 +53,6 @@ add_library(rapidjson STATIC IMPORTED ${RAPIDJSON})
 # add subdirs
 
 add_subdirectory(src)
-add_subdirectory(examples/send-presence)
+if (BUILD_EXAMPLES)
+    add_subdirectory(examples/send-presence)
+endif(BUILD_EXAMPLES)

src/CMakeLists.txt

@@ -27,7 +27,6 @@ if(WIN32)
     add_library(discord-rpc ${BASE_RPC_SRC})
     if (MSVC)
     target_compile_options(discord-rpc PRIVATE /EHsc
-        /MT
         /Wall
         /wd4100 # unreferenced formal parameter
         /wd4514 # unreferenced inline
@@ -105,13 +104,10 @@ install(
     EXPORT "discord-rpc"
     RUNTIME
         DESTINATION "bin"
-        CONFIGURATIONS Release
     LIBRARY
         DESTINATION "lib"
-        CONFIGURATIONS Release
     ARCHIVE
         DESTINATION "lib"
-        CONFIGURATIONS Release
     INCLUDES
         DESTINATION "include"
 )