1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
IF(UNIX)
ADD_DEFINITIONS(-Wall -Wno-unknown-pragmas)
ADD_DEFINITIONS(-ffast-math)
ADD_DEFINITIONS(-Wno-deprecated)
ADD_DEFINITIONS(-Wno-deprecated-declarations)
IF(APPLE)
# optimize for 64-bit core 2 architecture on Apple
ADD_DEFINITIONS(-march=core2)
ENDIF()
ENDIF()
#Activate C++11 support, when available
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
add_definitions(-DBRANCH_PREDICTION)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7)
message(STATUS "C++11 activated for GCC ${GCC_VERSION}")
set(CMAKE_CXX_STANDARD 11)
add_definitions(-DLHDR_CXX11_ENABLED)
elseif(GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
message(WARNING "C++0x activated for GCC ${GCC_VERSION}. If you get any errors update to a compiler that fully supports C++11")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x") # add_definitions("-std=gnu++0x")
add_definitions(-DLHDR_CXX11_ENABLED)
else()
message(WARNING "C++11 NOT available. GCC >= 4.3 is needed.")
endif()
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(STATUS "C++11 activated for Clang")
set(CMAKE_CXX_STANDARD 11)
if (APPLE)
set(CMAKE_EXE_LINKER_FLAGS "-lc++abi -stdlib=libc++ -rpath @loader_path/../Frameworks/")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
add_definitions(-DLHDR_CXX11_ENABLED)
add_definitions(-DBRANCH_PREDICTION)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnull-dereference -Wdelete-non-virtual-dtor -Wsign-compare -Wswitch")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wreturn-type -Wself-assign -Wunused-argument -Wunused-function -Wtautological-compare")
#OpenMP support under Linux with clang
if (UNIX)
FIND_PACKAGE(OpenMP REQUIRED)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
endif()
elseif(MSVC)
message(STATUS "C++11 is active by default on Microsoft Visual Studio")
add_definitions(-DLHDR_CXX11_ENABLED)
else()
message(WARNING "Your C++ compiler does not support C++11.")
endif()
#OpenMP Support under Linux, Windows with MSVC & MacOS X with GCC >= 4.3
IF(MSVC)
FIND_PACKAGE(OpenMP REQUIRED)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
ELSEIF(CMAKE_COMPILER_IS_GNUCC AND UNIX)
EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
IF(GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
MESSAGE(STATUS "GCC >= 4.3")
FIND_PACKAGE(OpenMP REQUIRED)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
ENDIF()
ENDIF()
|
