The following issue has been SUBMITTED.
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http://public.kitware.com/Bug/view.php?id=12877
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Reported By: Petr Kmoch
Assigned To:
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Project: CMake
Issue ID: 12877
Category: CMake
Reproducibility: N/A
Severity: minor
Priority: normal
Status: new
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Date Submitted: 2012-01-16 09:49 CET
Last Modified: 2012-01-16 09:49 CET
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Summary: Support generator expressions in OUTPUT
Description:
While $<...> generator expressions in the COMMAND portion of
add_custom_command() are useful, I find their use is limited by the fact they
cannot be used in other parts of add_custom_command(), such as OUTPUT. For
example, in my project, I need a custom command to copy some files to the
directory where a target's executable resides. In other words, I need the
following:
add_custom_command(
OUTPUT "$<TARGET_FILE_DIR:MyTarget>/TheExtraFile"
COMMAND "${CMAKE_EXECUTABLE}" -E copy Path_To/TheExtraFile
"$<TARGET_FILE_DIR:MyTarget>/TheExtraFile"
VERBATIM
)
While in the COMMAND part, the generator expression is interpreted correctly, in
OUTPUT it's not, and CMake produces an error: "add_custom_command called with
OUTPUT containing a "<". This character is not allowed."
I saw http://public.kitware.com/Bug/view.php?id=9974 which would offer a
superset od the above functionality, but the above would offer simpler syntax
for this more specific class of uses.
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Issue History
Date Modified Username Field Change
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2012-01-16 09:49 Petr Kmoch New Issue
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