Add missing Linux CI definitions

Author: Tabby

cmake/BuildWhispercpp.cmake

@@ -286,6 +286,9 @@ else()
 
     message(STATUS "Whispercpp URL: ${WHISPER_CPP_URL}")
     message(STATUS "Whispercpp source dir: ${whispercpp_fetch_SOURCE_DIR}")
+
+    set(WHISPER_SOURCE_DIR ${whispercpp_fetch_SOURCE_DIR})
+    set(WHISPER_LIB_DIR ${whispercpp_fetch_SOURCE_DIR})
   else()
     # Source build
     if(${CMAKE_BUILD_TYPE} STREQUAL Release OR ${CMAKE_BUILD_TYPE} STREQUAL RelWithDebInfo)