Fixed Linux builds failing with 'VISUAL_NODE_SYSTEM_Version.h could not be found'. See issue #5.

Co-authored-by: biglari <5347067+biglari@users.noreply.github.com>

Author: Azzinoth

CMakeLists.txt

@@ -339,12 +339,16 @@ include_directories(
 set(VISUAL_NODE_SYSTEM_THIRDPARTY_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty PARENT_SCOPE)
 set(VISUAL_NODE_SYSTEM_DIR ${CMAKE_CURRENT_SOURCE_DIR} PARENT_SCOPE)
 
-add_custom_command(TARGET VisualNodeSystem PRE_BUILD
+add_custom_target(VisualNodeSystemPreBuild
     COMMAND ${CMAKE_COMMAND}
         -D PROJECT_VERSION_PREFIX=VISUAL_NODE_SYSTEM_
         -D PROJECT_VERSION_MAJOR=0
         -D PROJECT_VERSION_MINOR=2
         -D PROJECT_VERSION_PATCH=0
         -D PROJECT_VERSION_DIR=${CMAKE_CURRENT_SOURCE_DIR}/VersionInfo
         -P ${CMAKE_CURRENT_SOURCE_DIR}/VersionInfo/UpdateProjectVersion.cmake
-)
+	BYPRODUCTS
+		${CMAKE_CURRENT_SOURCE_DIR}/VersionInfo/VISUAL_NODE_SYSTEM_Version.h
+)
+
+add_dependencies(VisualNodeSystem VisualNodeSystemPreBuild)