Reformat.

[oota-llvm.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 441a08d6c03d0d6b09917a8980177d4974493aac..5dda69629e147a7ab75b52e6cbf830f102389ef5 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,14 +1,33 @@
 # See docs/CMake.html for instructions about how to build LLVM with CMake.
 
-cmake_minimum_required(VERSION 2.8.12.2)
+cmake_minimum_required(VERSION 2.8.8)
 
 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   message(STATUS "No build type selected, default to Debug")
   set(CMAKE_BUILD_TYPE "Debug")
 endif()
 
-if(POLICY CMP0022)
-  cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+# FIXME: It may be removed when we use 2.8.12.
+if(CMAKE_VERSION VERSION_LESS 2.8.12)
+  # Invalidate a couple of keywords.
+  set(cmake_2_8_12_INTERFACE)
+  set(cmake_2_8_12_PRIVATE)
+else()
+  # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
+  set(cmake_2_8_12_INTERFACE INTERFACE)
+  set(cmake_2_8_12_PRIVATE PRIVATE)
+  if(POLICY CMP0022)
+    cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+  endif()
+endif()
+
+if (POLICY CMP0051)
+  # CMake 3.1 and higher include generator expressions of the form
+  # $<TARGETLIB:obj> in the SOURCES property.  These need to be
+  # stripped everywhere that access the SOURCES property, so we just
+  # defer to the OLD behavior of not including generator expressions
+  # in the output for now.
+  cmake_policy(SET CMP0051 OLD)
 endif()
 
 if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
@@ -47,7 +66,8 @@ set(LLVM_VERSION_PATCH 0)
 set(LLVM_VERSION_SUFFIX svn)
 
 if (NOT PACKAGE_VERSION)
-  set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}svn")
+  set(PACKAGE_VERSION
+    "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
 endif()
 
 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)