[CMake] Make LLVM_VERSION_* variables user definable

[oota-llvm.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a1713fbb8f99435d837ed0f21fb816b7e30f108e..82e937e7adecec4befe7ed277c4f7f8c1131606f 100644 (file)
--- a/CMakeLists.txt
+++ b/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)