Hi folks,
I'm using CMake 2.2-3, and have recently run into some problems with
a stanza of CMake code that looks like this:
SET(src "${IN_DIR}/foo.bar")
SET(tgt "${OUT_DIR}/foo.bar")
EXEC_PROGRAM(${CMAKE_COMMAND} ARGS -E copy_if_different ${src} ${tgt})
The problem comes when src or tgt have spaces in the paths -- the
exec fails (obviously). Slightly less obviously, this also fails:
EXEC_PROGRAM(${CMAKE_COMMAND} ARGS -E copy_if_different "${src}" "$
{tgt}")
This seems to work, but I'm not sure if it is portable:
EXEC_PROGRAM(${CMAKE_COMMAND} ARGS -E copy_if_different "'${src}'" "'$
{tgt}'")
Is there a better option?
Now, when I had set this all up in the context of an
ADD_CUSTOM_COMMAND instead of an EXEC_PROGRAM, things seemed to work
-- is there automatic path escaping for args to custom commands, but
not exec'd programs, in this version of CMake? (For some reason, we
had to move to EXEC_PROGRAM instead of using a custom command...)
Thanks,
Zach
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