diff --git a/code/CMakeModules/CheckDepends.cmake b/code/CMakeModules/CheckDepends.cmake index 5b304f981..8a1fa1aee 100644 --- a/code/CMakeModules/CheckDepends.cmake +++ b/code/CMakeModules/CheckDepends.cmake @@ -6,7 +6,7 @@ # # Syntax: # CHECK_UNDEFINED_SYMBOL(MYLIBRARY SYMBOL SYMBOL_FOUND) -# SYMBOL_FOUND will be set to TRUE or FALSE +# SYMBOL_FOUND will be set to TRUE if UNDEFINED # # Example: # CHECK_UNDEFINED_SYMBOL(PNG_LIBRARY inflate INFLATE_FOUND) @@ -16,21 +16,14 @@ MACRO(CHECK_UNDEFINED_SYMBOL MYLIBRARY SYMBOL SYMBOL_FOUND) IF(WIN32) # Always TRUE under Windows because we are using static libraries ELSEIF(APPLE) - # SET(CMAKE_OTOOL otool) SET(CMAKE_NM nm) - IF(CMAKE_OTOOL) - # Use otool to check if a library is using an external symbol - EXEC_PROGRAM(${CMAKE_OTOOL} ARGS "-Rv ${${MYLIBRARY}} | grep ${SYMBOL}" OUTPUT_VARIABLE OTOOL_SYMBOL) - IF(NOT OTOOL_SYMBOL MATCHES "undefined") - SET(${SYMBOL_FOUND} FALSE) - ENDIF(NOT OTOOL_SYMBOL MATCHES "undefined") - ENDIF(CMAKE_OTOOL) IF(CMAKE_NM) # Use nm to check if a library is using an external symbol EXEC_PROGRAM(${CMAKE_NM} ARGS "-gu ${${MYLIBRARY}} | grep ${SYMBOL}" OUTPUT_VARIABLE NM_SYMBOL) + MESSAGE(STATUS "Checking for undefined symbol ${SYMBOL} in ${${MYLIBRARY}}") IF(NOT NM_SYMBOL MATCHES ${SYMBOL}) SET(${SYMBOL_FOUND} FALSE) - MESSAGE(STATUS "Undefined symbol ${SYMBOL} detected in ${${MYLIBRARY}}") + MESSAGE(STATUS "Defined symbol ${SYMBOL} detected in ${${MYLIBRARY}}") ENDIF(NOT NM_SYMBOL MATCHES ${SYMBOL}) ENDIF(CMAKE_NM) ELSEIF(UNIX) @@ -49,7 +42,7 @@ ENDMACRO(CHECK_UNDEFINED_SYMBOL) # # Syntax: # CHECK_LINKED_LIBRARY(MYLIBRARY OTHERLIBRARY LIBRARY_FOUND) -# LIBRARY_FOUND will be set to TRUE or FALSE +# LIBRARY_FOUND will be set to TRUE if LINKED # # Example: # CHECK_LINKED_LIBRARY(PNG_LIBRARY ZLIB_LIBRARY ZLIB_FOUND)