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| author | Chris Bieneman <beanz@apple.com> | 2016-11-17 04:36:59 +0000 |
|---|---|---|
| committer | Chris Bieneman <beanz@apple.com> | 2016-11-17 04:36:59 +0000 |
| commit | fb21e4d6fc9ff15b231354be4068c3f732deee02 (patch) | |
| tree | 1966ebc0d87d10abd6b835cc996db5b4e6ac538f /CMakeLists.txt | |
| parent | 92cb3eecbd9ba49ef04ed1b0cd70c549cace5d4c (diff) | |
[CMake] [Darwin] Add support for debugging tablegen dependencies
This patch adds an option to the build system LLVM_DEPENDENCY_DEBUGGING. Over time I plan to extend this to do more complex verifications, but the initial patch causes compile errors wherever there is missing a dependency on intrinsics_gen.
Because intrinsics_gen is a compile-time dependency not a link-time dependency, everything that relies on the headers generated in intrinsics_gen needs an explicit dependency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index f67fd23860e6..1f301bddaf4a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -151,6 +151,20 @@ if(LLVM_CCACHE_BUILD) endif() endif() +option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF) + +# Some features of the LLVM build may be disallowed when dependency debugging is +# enabled. In particular you cannot use ccache because we want to force compile +# operations to always happen. +if(LLVM_DEPENDENCY_DEBUGGING) + if(NOT CMAKE_HOST_APPLE) + message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.") + endif() + if(LLVM_CCACHE_BUILD) + message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.") + endif() +endif() + option(LLVM_BUILD_GLOBAL_ISEL "Experimental: Build GlobalISel" OFF) if(LLVM_BUILD_GLOBAL_ISEL) add_definitions(-DLLVM_BUILD_GLOBAL_ISEL) |