On 12/10/2010 09:23 AM, Robert Bielik wrote:
> Hi all,
>
> Using 2.8.2 I'm trying to make a rule to create a timestamp header, but
> only if a certain file has changed, like so:
>
> ADD_CUSTOM_COMMAND(
> OUTPUT src/timestamp.h
> COMMAND tools/win32/timestamper
> ARGS src/timestamp.h
> DEPENDS Version.cmake
> WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
> COMMENT "Generating timestamp header..."
> )
>
> but the rule is always executed, even if the Version.cmake file has not
> changed. What am I doing wrong ?
>
> TIA
> /Rob
1. Always use absolute paths (e.g. using CMAKE_CURRENT_SOURCE_DIR and
CMAKE_CURRENT_BINARY_DIR).
2. Never create output in the source tree.
HTH
Michael
_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at
http://www.kitware.com/opensource/opensource.html
Please keep messages on-topic and check the CMake FAQ at:
http://www.cmake.org/Wiki/CMake_FAQ
Follow this link to subscribe/unsubscribe:
http://www.cmake.org/mailman/listinfo/cmake
