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draco: Fix empty list handling in older CMakes.

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Older CMake releases don't support empty list variables with list(FILTER).
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Tom Finegan 2020-12-01 14:37:24 -08:00 committed by GitHub
parent 8a979f79a5
commit dd6ef6ff02
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1 changed files with 7 additions and 2 deletions
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9
cmake/draco_targets.cmake
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@ -331,8 +331,13 @@ macro(draco_add_library)
endif()
# Determine if $lib_NAME is a header only target.
set(sources_list ${lib_SOURCES})
list(FILTER sources_list INCLUDE REGEX cc$)
unset(sources_list)
if(lib_SOURCES)
set(sources_list ${lib_SOURCES})
list(FILTER sources_list INCLUDE REGEX cc$)
endif()
if(NOT sources_list)
if(NOT XCODE)
# This is a header only target. Tell CMake the link language.