Disable the "check" target for in-Boost builds.

Author: tzlaine

CMakeLists.txt

@@ -24,6 +24,7 @@ target_link_libraries(boost_parser
 
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
+  set(disable_check_target true)
   add_subdirectory(test)
 
 endif()

test/CMakeLists.txt

@@ -4,7 +4,9 @@ include(CTest)
 
 enable_testing()
 
-add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -j4 -C ${CMAKE_CFG_INTDIR})
+if (NOT DEFINED disable_check_target)
+    add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -j4 -C ${CMAKE_CFG_INTDIR})
+endif()
 
 ##################################################
 # Parser tests