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Revert "Raising minimum required CMake version to 2.8.12.2."

This reverts commit r230062.

Debian stable (wheezy) ships still with cmake 2.8.9.

The commit broke my LLVM/Polly buildbot, to my knowledge our only Linux+cmake
buildbot.

llvm-svn: 230343
This commit is contained in:
Tobias Grosser 2015-02-24 16:39:46 +00:00
parent 2d353d537e
commit 3022fe4913
5 changed files with 18 additions and 8 deletions

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@ -1,14 +1,24 @@
# See docs/CMake.html for instructions about how to build LLVM with CMake. # 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) if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "No build type selected, default to Debug") message(STATUS "No build type selected, default to Debug")
set(CMAKE_BUILD_TYPE "Debug") set(CMAKE_BUILD_TYPE "Debug")
endif() endif()
if(POLICY CMP0022) # FIXME: It may be removed when we use 2.8.12.
cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required 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() endif()
if(CMAKE_VERSION VERSION_LESS 3.1.20141117) if(CMAKE_VERSION VERSION_LESS 3.1.20141117)

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@ -41,9 +41,9 @@ function(explicit_llvm_config executable)
llvm_map_components_to_libnames(LIBRARIES ${link_components}) llvm_map_components_to_libnames(LIBRARIES ${link_components})
get_target_property(t ${executable} TYPE) get_target_property(t ${executable} TYPE)
if("x${t}" STREQUAL "xSTATIC_LIBRARY") if("x${t}" STREQUAL "xSTATIC_LIBRARY")
target_link_libraries(${executable} INTERFACE ${LIBRARIES}) target_link_libraries(${executable} ${cmake_2_8_12_INTERFACE} ${LIBRARIES})
elseif("x${t}" STREQUAL "xSHARED_LIBRARY" OR "x${t}" STREQUAL "xMODULE_LIBRARY") elseif("x${t}" STREQUAL "xSHARED_LIBRARY" OR "x${t}" STREQUAL "xMODULE_LIBRARY")
target_link_libraries(${executable} PRIVATE ${LIBRARIES}) target_link_libraries(${executable} ${cmake_2_8_12_PRIVATE} ${LIBRARIES})
else() else()
# Use plain form for legacy user. # Use plain form for legacy user.
target_link_libraries(${executable} ${LIBRARIES}) target_link_libraries(${executable} ${LIBRARIES})

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@ -73,4 +73,4 @@ add_llvm_library(LLVMDebugInfoPDB
${LIBPDB_ADDITIONAL_HEADER_DIRS} ${LIBPDB_ADDITIONAL_HEADER_DIRS}
) )
target_link_libraries(LLVMDebugInfoPDB INTERFACE "${LIBPDB_ADDITIONAL_LIBRARIES}") target_link_libraries(LLVMDebugInfoPDB ${cmake_2_8_12_INTERFACE} "${LIBPDB_ADDITIONAL_LIBRARIES}")

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@ -13,7 +13,7 @@ add_llvm_library(LLVMInterpreter
) )
if( LLVM_ENABLE_FFI ) if( LLVM_ENABLE_FFI )
target_link_libraries( LLVMInterpreter PRIVATE ${FFI_LIBRARY_PATH} ) target_link_libraries( LLVMInterpreter ${cmake_2_8_12_PRIVATE} ${FFI_LIBRARY_PATH} )
endif() endif()
add_dependencies(LLVMInterpreter intrinsics_gen) add_dependencies(LLVMInterpreter intrinsics_gen)

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@ -90,7 +90,7 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") # FIXME: It should be "GNU ld for el
set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive) set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
endif() endif()
target_link_libraries(LLVM PRIVATE ${LIB_NAMES}) target_link_libraries(LLVM ${cmake_2_8_12_PRIVATE} ${LIB_NAMES})
add_dependencies(LLVM libLLVMExports) add_dependencies(LLVM libLLVMExports)