vcpkg/ports/libdatachannel/fix-for-vcpkg.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a3837943..2c34d7fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -446,11 +446,25 @@ if(WARNINGS_AS_ERRORS)
        endif()
 endif()
 
+if(DATACHANNEL_STATIC_LINKAGE)
+set_target_properties(datachannel PROPERTIES EXCLUDE_FROM_ALL 1)
+set_target_properties(datachannel-static PROPERTIES EXCLUDE_FROM_ALL 0)
+
+install(TARGETS datachannel-static EXPORT LibDataChannelTargets
+       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+)
+else()
+set_target_properties(datachannel PROPERTIES EXCLUDE_FROM_ALL 0)
+set_target_properties(datachannel-static PROPERTIES EXCLUDE_FROM_ALL 1)
+
 install(TARGETS datachannel EXPORT LibDataChannelTargets
        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
+endif()
 
 install(FILES ${LIBDATACHANNEL_HEADERS}
        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/rtc