[CMake] How to specify LD_LIBRARY_PATH for a test?

[Orion Poplawski]

On 02/26/2013 12:06 PM, Alexander Neundorf wrote:
> On Tuesday 26 February 2013, Orion Poplawski wrote:
>> We have some tests that load libraries at run time.  How can we specify
>> that LD_LIBRARY_PATH needs to be set?
>>
>> file(WRITE ${CMAKE_SOURCE_DIR}/testsuite/launchtest.c "${LAUNCH}")
>> add_executable(launchtest EXCLUDE_FROM_ALL
>> ${CMAKE_SOURCE_DIR}/testsuite/launchtest.c)
>> add_library(test_ce SHARED EXCLUDE_FROM_ALL libtest_ce.cpp)
>> add_custom_target(check COMMAND ${CMAKE_BUILD_TOOL} test DEPENDS launchtest
>> test_ce)
>> get_target_property(LAUNCHTESTLOCATION launchtest LOCATION)
>> execute_process(
>>     COMMAND "fgrep" ".pro" "${BASE_SOURCE}/testsuite/Makefile.am"
>>     COMMAND "awk" "{printf(\"%s;\",$1)}"
>>     OUTPUT_VARIABLE TESTS)
>> foreach(TEST ${TESTS})
>>           add_test(${TEST} ${LAUNCHTESTLOCATION} ${TEST})
>> endforeach(TEST TESTS)
>>
>> The test needs to be able to load the test_ce library at run-time.
>
> If you didn't explicitely disable it, cmake builds the executables by default
> with the complete RPATH to all used libraries (the "build RPATH").
> This is replaced during make install by the "install RPATH", which is by
> default empty.
> So it should actually just work.
>
> Alex
>

The tests are not being linked to the library.  The tests are dlopening them 
at run time.

-- 
Orion Poplawski
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