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[CMake] Use CMake's default RPATH for the unit tests

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In the top-level CMakeLists.txt, we set CMAKE_BUILD_WITH_INSTALL_RPATH to ON,
and then for the unit tests we set it to <test>/../../lib. This works for tests
that live in unittest/<whatever>, but not for those that live in subdirectories
e.g. unittest/Transforms/IPO or unittest/ExecutionEngine/Orc. When building
with BUILD_SHARED_LIBRARIES, such tests don't manage to find their libraries.

Since the tests are run from the build directory, it makes sense to set their
RPATH for the build tree, rather than the install tree. This is the default in
CMake since 2.6, so all we have to do is set CMAKE_BUILD_WITH_INSTALL_RPATH to
OFF for the unit tests.

llvm-svn: 280791
This commit is contained in:
Diana Picus 2016-09-07 08:37:15 +00:00
parent c501708bef
commit 6ffe0abe96
1 changed files with 3 additions and 5 deletions
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8
unittests/CMakeLists.txt
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@ -1,11 +1,9 @@
add_custom_target(UnitTests)
set_target_properties(UnitTests PROPERTIES FOLDER "Tests")
if (APPLE)
set(CMAKE_INSTALL_RPATH "@executable_path/../../lib")
else(UNIX)
set(CMAKE_INSTALL_RPATH "\$ORIGIN/../../lib${LLVM_LIBDIR_SUFFIX}")
endif()
# People tend to run the tests _before_ installing, so we don't want the install
# rpath here.
set(CMAKE_BUILD_WITH_INSTALL_RPATH OFF)
function(add_llvm_unittest test_dirname)
add_unittest(UnitTests ${test_dirname} ${ARGN})