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[CMake] Introduce cmake_policy(CMP0022) for target_link_libraries(INTERFACE|PRIVATE).

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For now, use both keywords, INTERFACE and PRIVATE via the variable,
  - ${cmake_2_8_12_INTERFACE}
  - ${cmake_2_8_12_PRIVATE}

They could be cleaned up when we introduce 2.8.12.

llvm-svn: 202239
This commit is contained in:
NAKAMURA Takumi 2014-02-26 06:45:11 +00:00
parent 03fcc44664
commit 886999a686
1 changed files with 15 additions and 0 deletions
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15
CMakeLists.txt
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@ -1,6 +1,21 @@
# See docs/CMake.html for instructions about how to build LLVM with CMake.
cmake_minimum_required(VERSION 2.8.8)
# 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()
project(LLVM)
# Add path for custom modules