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osx build: only set -std=c++11 flag for >= 10.9

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This commit is contained in:
Dane Springmeyer 2013-11-04 14:37:25 -08:00
parent 027a4081a2
commit ba12e31280
1 changed files with 1 additions and 4 deletions
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5
CMakeLists.txt
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@ -70,9 +70,6 @@ endif(CMAKE_BUILD_TYPE MATCHES Release)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# using Clang
set(CMAKE_CXX_FLAGS "-Wall -Wno-unknown-pragmas -Wno-unneeded-internal-declaration")
if(APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif(APPLE)
message(STATUS "OpenMP parallelization not available using clang++")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
# using GCC
@ -91,7 +88,7 @@ if(APPLE)
EXEC_PROGRAM(uname ARGS -v OUTPUT_VARIABLE DARWIN_VERSION)
STRING(REGEX MATCH "[0-9]+" DARWIN_VERSION ${DARWIN_VERSION})
IF (DARWIN_VERSION GREATER 12)
MESSAGE(STATUS "Activating flags for OS X 10.9")
MESSAGE(STATUS "Activating -std=c++11 flag for >= OS X 10.9")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
ENDIF (DARWIN_VERSION GREATER 12)
endif()