Zachary Turner a0f1ea32df Resubmit "[lit] Force site configs to run before source-tree configs" ... This is a resubmission of r313270. It broke standalone builds of compiler-rt because we were not correctly generating the llvm-lit script in the standalone build directory. The fixes incorporated here attempt to find llvm/utils/llvm-lit from the source tree returned by llvm-config. If present, it will generate llvm-lit into the output directory. Regardless, the user can specify -DLLVM_EXTERNAL_LIT to point to a specific lit.py on their file system. This supports the use case of someone installing lit via a package manager. If it cannot find a source tree, and -DLLVM_EXTERNAL_LIT is either unspecified or invalid, then we print a warning that tests will not be able to run. Differential Revision: https://reviews.llvm.org/D37756 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313407 91177308-0d34-0410-b5e6-96231b3b80d8		2017-09-15 22:10:46 +00:00
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lit.cfg	Resubmit "[lit] Force site configs to run before source-tree configs"	2017-09-15 22:10:46 +00:00
lit.site.cfg.in