Added support for UDPCAP_LIBRARY_TYPE to control the library type wit…

…hout setting BUILD_SHARED_LIBS (#12)

README.md

@@ -133,7 +133,7 @@ You can set the following CMake Options to control how Udpcap is supposed to bui
 | `UDPCAP_THIRDPARTY_USE_BUILTIN_PCAPPLUSPLUS` | `BOOL`   | `ON`        | Fetch and build against an integrated Version of Pcap++. <br>_Only available if `UDPCAP_THIRDPARTY_ENABLED=ON`_        |
 | `UDPCAP_THIRDPARTY_USE_BUILTIN_ASIO`         | `BOOL`   | `ON`        | Fetch and build against an integrated Version of asio. <br>Only available if `UDPCAP_THIRDPARTY_ENABLED=ON`          |
 | `UDPCAP_THIRDPARTY_USE_BUILTIN_GTEST`        | `BOOL`   | `ON`        | Fetch and build tests against a predefined version of GTest. If disabled, the targets have to be provided externally. <br>Only available if `UDPCAP_THIRDPARTY_ENABLED=ON` and `UDPCAP_BUILD_TESTS=ON`|
-| `BUILD_SHARED_LIBS`                          | `BOOL`   |             | Not a udpcap option, but use this to control whether you want to have a static or shared library                |
+| `UDPCAP_LIBRARY_TYPE`                        | `STRING` |             | Controls the library type of Udpcap by injecting the string into the `add_library` call. Can be set to STATIC / SHARED / OBJECT. If set, this will override the regular `BUILD_SHARED_LIBS` CMake option. If not set, CMake will use the default setting, which is controlled by `BUILD_SHARED_LIBS`.                |
 # How to integrate Udpcap in your project
 
 **Integrate as binaries**:

udpcap/CMakeLists.txt

@@ -52,7 +52,7 @@ set(sources
     src/udpcap_socket_private.h
 )
 
-add_library (${PROJECT_NAME}
+add_library (${PROJECT_NAME} ${UDPCAP_LIBRARY_TYPE}
     ${includes}
     ${sources}
 )