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-rw-r--r--llvm/CMakeLists.txt16
1 files changed, 12 insertions, 4 deletions
diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index a1713fbb8f9..82e937e7ade 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -26,10 +26,18 @@ else()
set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
endif()
-set(LLVM_VERSION_MAJOR 3)
-set(LLVM_VERSION_MINOR 8)
-set(LLVM_VERSION_PATCH 0)
-set(LLVM_VERSION_SUFFIX svn)
+if(NOT LLVM_VERSION_MAJOR)
+ set(LLVM_VERSION_MAJOR 3)
+endif()
+if(NOT LLVM_VERSION_MINOR)
+ set(LLVM_VERSION_MINOR 8)
+endif()
+if(NOT LLVM_VERSION_PATCH)
+ set(LLVM_VERSION_PATCH 0)
+endif()
+if(NOT DEFINED LLVM_VERSION_SUFFIX)
+ set(LLVM_VERSION_SUFFIX svn)
+endif()
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)
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