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CMake: Only add test/ subdirectory when it exists 

r296685 started adding the test/ subdirectory even when
LIBCXX_INCLUDE_TESTS=OFF.  This is great for testing libcxx standalone,
but it also breaks the build when the test/ subdirectory is removed
(and our submission system strips all test/ directories).

This patch updates the logic to check for test/ before adding it.

rdar://problem/31931366

llvm-svn: 302095
This commit is contained in:
Duncan P. N. Exon Smith 2017-05-03 23:33:54 +00:00
parent 739a7b2f9c
commit 8e5f0409fb
1 changed files with 6 additions and 1 deletions
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5
libcxx/CMakeLists.txt
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@ -627,7 +627,12 @@ endif()
# Create the lit.site.cfg file even when LIBCXX_INCLUDE_TESTS is OFF or
# LLVM_FOUND is OFF. This allows users to run the tests manually using
# LIT without requiring a full LLVM checkout.
#
# However, since some submission systems strip test/ subdirectories, check for
# it before adding it.
if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/test")
add_subdirectory(test)
endif()
if (LIBCXX_INCLUDE_TESTS)
add_subdirectory(lib/abi)
endif()