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| author | Bill Hoffman <bill.hoffman@kitware.com> | 2016-06-02 22:08:30 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2016-06-17 14:56:40 (GMT) |
| commit | 96242f8022fa4bc718ef36cda43f5dfe6236c066 (patch) | |
| tree | eb344591def11380b95fba62e71aa950e3671b87 /Tests/RunCMake/CMakeLists.txt | |
| parent | ba92e11f8b461513566d5cc3c0b53b2215bb85f7 (diff) | |
| download | CMake-96242f8022fa4bc718ef36cda43f5dfe6236c066.zip CMake-96242f8022fa4bc718ef36cda43f5dfe6236c066.tar.gz CMake-96242f8022fa4bc718ef36cda43f5dfe6236c066.tar.bz2 | |
Add options to run `ldd -u -r` as a "link-what-you-use" tool
Create a LINK_WHAT_YOU_USE target property and corresponding
CMAKE_LINK_WHAT_YOU_USE variable to enable this behavior.
Extend link commands by running `ldd -u -r` to detect shared
libraries that are linked but not needed.
Diffstat (limited to 'Tests/RunCMake/CMakeLists.txt')
| -rw-r--r-- | Tests/RunCMake/CMakeLists.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt index d16e5e7..b6d1c38 100644 --- a/Tests/RunCMake/CMakeLists.txt +++ b/Tests/RunCMake/CMakeLists.txt @@ -307,6 +307,14 @@ if(CMAKE_OSX_ARCHITECTURES AND XCODE AND NOT "${XCODE_VERSION}" MATCHES "^[^12]" endif() if("${CMAKE_GENERATOR}" MATCHES "Make|Ninja") + if(UNIX AND NOT CYGWIN) + execute_process(COMMAND ldd --help + OUTPUT_VARIABLE LDD_HELP) + if("${LDD_HELP}" MATCHES + "(-r, --function-relocs.*process data and function relocations.*-u, --unused.*print unused direct dependencies)") + add_RunCMake_test(LinkWhatYouUse) + endif() + endif() add_executable(pseudo_tidy pseudo_tidy.c) add_executable(pseudo_iwyu pseudo_iwyu.c) add_RunCMake_test(ClangTidy -DPSEUDO_TIDY=$<TARGET_FILE:pseudo_tidy>) |