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authorFilipe Cabecinhas <me@filcab.net>2016-03-01 15:07:19 +0000
committerFilipe Cabecinhas <me@filcab.net>2016-03-01 15:07:19 +0000
commit58b744ec45baf885c6317a39abb12269da72bae8 (patch)
tree4bcbc2fd8e9353ce83936253bdfa44f6e8854d28 /clang/runtime
parent42409e8202c4e2a15429c7ac8e26a0584b53b892 (diff)
[cmake] Try to appease the buildbots.
Diffstat (limited to 'clang/runtime')
-rw-r--r--clang/runtime/CMakeLists.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/runtime/CMakeLists.txt b/clang/runtime/CMakeLists.txt
index 26d6c1233cb..99298e11b1d 100644
--- a/clang/runtime/CMakeLists.txt
+++ b/clang/runtime/CMakeLists.txt
@@ -27,7 +27,10 @@ set(COMPILER_RT_SRC_ROOT ${LLVM_MAIN_SRC_DIR}/projects/compiler-rt)
# This is the same behavior (try "internal", then check the LLVM_EXTERNAL_...
# variable) as in add_llvm_external_project
if(NOT EXISTS ${COMPILER_RT_SRC_ROOT})
- set(COMPILER_RT_SRC_ROOT ${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR})
+ # We don't want to set it if LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR is ""
+ if(${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR})
+ set(COMPILER_RT_SRC_ROOT ${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR})
+ endif()
endif()
if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/)