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| author | Chris Bieneman <beanz@apple.com> | 2015-10-13 05:35:12 +0000 |
|---|---|---|
| committer | Chris Bieneman <beanz@apple.com> | 2015-10-13 05:35:12 +0000 |
| commit | 405342d075da81d372f454193e1c3f22ffe1e734 (patch) | |
| tree | 4929f369eba1228573ee4f9fa0cbcf2e12f11cab /CMakeLists.txt | |
| parent | 41ab11ccf0d228f0f442b6852caa196360b65d31 (diff) | |
[CMake] LLVM_PROFDATA_FILE only works if you're using clang, so we should error out if it is specified when not using clang.
Also updated the CMake docs.
Based on post-commit review of r250108 from Sean Silvas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250150 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2a2291c7822..d420e64228a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -594,7 +594,11 @@ set(LLVM_PROFDATA_FILE "" CACHE FILEPATH "Profiling data file to use when compiling in order to improve runtime performance.") if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) - add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}") + if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) + add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}") + else() + message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang") + endif() endif() include(AddLLVM) |