[cmake-developers] [CMake 0015287]: ExternalProject commands do not support generator expressions

Mantis Bug Tracker mantis at public.kitware.com
Sun Dec 7 17:17:02 EST 2014


The following issue has been SUBMITTED. 
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http://www.cmake.org/Bug/view.php?id=15287 
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Reported By:                Zachary Sims
Assigned To:                
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Project:                    CMake
Issue ID:                   15287
Category:                   CMake
Reproducibility:            N/A
Severity:                   feature
Priority:                   normal
Status:                     new
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Date Submitted:             2014-12-07 17:17 EST
Last Modified:              2014-12-07 17:17 EST
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Summary:                    ExternalProject commands do not support generator
expressions
Description: 
ExternalProject_* does not support generator expressions. For projects such as
boost, "variant" can be set to debug or release. However, ${CONFIG} will be
either Debug or Release (note case).


Example being:
ExternalProject_Add(
    boost
    DOWNLOAD_COMMAND  snip
    SOURCE_DIR # snip
    BUILD_IN_SOURCE 1
    UPDATE_COMMAND ""
    PATCH_COMMAND ""
    CONFIGURE_COMMAND ${BOOST_BOOTSTRAP_COMMAND}
    BUILD_COMMAND
        b2 variant=$<LOWER_CASE:$<CONFIG>>
    INSTALL_COMMAND ""
    LOG_DOWNLOAD 1
    LOG_CONFIGURE 1
    LOG_BUILD 1
)

It's true the generator expressions might not always be sufficient, but would
certainly help.
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2014-12-07 17:17 Zachary Sims   New Issue                                    
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