diff options
Diffstat (limited to 'Modules/Compiler')
-rw-r--r-- | Modules/Compiler/AppleClang-CXX.cmake | 7 | ||||
-rw-r--r-- | Modules/Compiler/Clang-CXX.cmake | 18 | ||||
-rw-r--r-- | Modules/Compiler/GNU-CXX-FeatureTests.cmake | 77 | ||||
-rw-r--r-- | Modules/Compiler/GNU-CXX.cmake | 25 |
4 files changed, 126 insertions, 1 deletions
diff --git a/Modules/Compiler/AppleClang-CXX.cmake b/Modules/Compiler/AppleClang-CXX.cmake index 680f720..0372e18 100644 --- a/Modules/Compiler/AppleClang-CXX.cmake +++ b/Modules/Compiler/AppleClang-CXX.cmake @@ -1 +1,6 @@ -include(Compiler/Clang-CXX) +include(Compiler/Clang) +__compiler_clang(CXX) + +if(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC") + set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") +endif() diff --git a/Modules/Compiler/Clang-CXX.cmake b/Modules/Compiler/Clang-CXX.cmake index 0372e18..a1b3a10 100644 --- a/Modules/Compiler/Clang-CXX.cmake +++ b/Modules/Compiler/Clang-CXX.cmake @@ -4,3 +4,21 @@ __compiler_clang(CXX) if(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC") set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") endif() + +cmake_policy(GET CMP0025 appleClangPolicy) +if(NOT appleClangPolicy STREQUAL NEW) + return() +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11") +elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x") +endif() diff --git a/Modules/Compiler/GNU-CXX-FeatureTests.cmake b/Modules/Compiler/GNU-CXX-FeatureTests.cmake new file mode 100644 index 0000000..3f169d2 --- /dev/null +++ b/Modules/Compiler/GNU-CXX-FeatureTests.cmake @@ -0,0 +1,77 @@ + +# Reference: http://gcc.gnu.org/projects/cxx0x.html + +set(_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 408") +# Introduced in GCC 4.8.1 +set(GNU481_CXX11 "((__GNUC__ * 100 + __GNUC_MINOR__) > 408 || __GNUC_PATCHLEVEL__ >= 1) && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_decltype_incomplete_return_types "${GNU481_CXX11}") +set(_cmake_feature_test_cxx_reference_qualified_functions "${GNU481_CXX11}") +set(GNU48_CXX11 "(__GNUC__ * 100 + __GNUC_MINOR__) >= 408 && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_alignas "${GNU48_CXX11}") +set(_cmake_feature_test_cxx_alignof "${GNU48_CXX11}") +set(_cmake_feature_test_cxx_attributes "${GNU48_CXX11}") +set(_cmake_feature_test_cxx_inheriting_constructors "${GNU48_CXX11}") +set(_cmake_feature_test_cxx_thread_local "${GNU48_CXX11}") +# TODO: Should be supported by GNU 4.7 +set(GNU47_CXX11 "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_alias_templates "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_delegating_constructors "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_extended_friend_declarations "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_final "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_noexcept "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_nonstatic_member_init "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_override "${GNU47_CXX11}") +set(_cmake_feature_test_cxx_user_literals "${GNU47_CXX11}") +# NOTE: C++11 was ratified in September 2011. GNU 4.7 is the first minor +# release following that (March 2012), and the first minor release to +# support -std=c++11. Prior to that, support for C++11 features is technically +# experiemental and possibly incomplete (see for example the note below about +# cxx_variadic_template_template_parameters) +# TODO: Should be supported by GNU 4.6 +set(GNU46_CXX11 "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_constexpr "${GNU46_CXX11}") +set(_cmake_feature_test_cxx_defaulted_move_initializers "${GNU46_CXX11}") +set(_cmake_feature_test_cxx_enum_forward_declarations "${GNU46_CXX11}") +set(_cmake_feature_test_cxx_nullptr "${GNU46_CXX11}") +set(_cmake_feature_test_cxx_range_for "${GNU46_CXX11}") +set(_cmake_feature_test_cxx_unrestricted_unions "${GNU46_CXX11}") +# TODO: Should be supported by GNU 4.5 +set(GNU45_CXX11 "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_explicit_conversions "${GNU45_CXX11}") +set(_cmake_feature_test_cxx_lambdas "${GNU45_CXX11}") +set(_cmake_feature_test_cxx_local_type_template_args "${GNU45_CXX11}") +set(_cmake_feature_test_cxx_raw_string_literals "${GNU45_CXX11}") +# TODO: Should be supported by GNU 4.4 +set(GNU44_CXX11 "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_auto_type "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_defaulted_functions "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_deleted_functions "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_generalized_initializers "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_inline_namespaces "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_sizeof_member "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_strong_enums "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_trailing_return_types "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_unicode_literals "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_uniform_initialization "${GNU44_CXX11}") +set(_cmake_feature_test_cxx_variadic_templates "${GNU44_CXX11}") +# TODO: If features are ever recorded for GNU 4.3, there should possibly +# be a new feature added like cxx_variadic_template_template_parameters, +# which is implemented by GNU 4.4, but not 4.3. cxx_variadic_templates is +# actually implemented by GNU 4.3, but variadic template template parameters +# 'completes' it, so that is the version we record as having the variadic +# templates capability in CMake. See +# http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf +# TODO: Should be supported by GNU 4.3 +set(GNU43_CXX11 "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_decltype "${GNU43_CXX11}") +set(_cmake_feature_test_cxx_default_function_template_args "${GNU43_CXX11}") +set(_cmake_feature_test_cxx_long_long_type "${GNU43_CXX11}") +set(_cmake_feature_test_cxx_right_angle_brackets "${GNU43_CXX11}") +set(_cmake_feature_test_cxx_rvalue_references "${GNU43_CXX11}") +set(_cmake_feature_test_cxx_static_assert "${GNU43_CXX11}") +# TODO: Should be supported since GNU 3.4? +set(_cmake_feature_test_cxx_extern_templates "${_oldestSupported} && __cplusplus >= 201103L") +# TODO: Should be supported forever? +set(_cmake_feature_test_cxx_func_identifier "${_oldestSupported} && __cplusplus >= 201103L") +set(_cmake_feature_test_cxx_variadic_macros "${_oldestSupported} && __cplusplus >= 201103L") +set(_oldestSupported) diff --git a/Modules/Compiler/GNU-CXX.cmake b/Modules/Compiler/GNU-CXX.cmake index 33d6093..7acad52 100644 --- a/Modules/Compiler/GNU-CXX.cmake +++ b/Modules/Compiler/GNU-CXX.cmake @@ -10,3 +10,28 @@ else() set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") endif() endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.3) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") +endif() + +if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11") +elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.3) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x") +endif() + +macro(cmake_record_cxx_compile_features) + macro(_get_gcc_features std_version list) + record_compiler_features(CXX "-std=${std_version}" ${list}) + endmacro() + + if (UNIX AND NOT APPLE AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) + _get_gcc_features(c++11 CMAKE_CXX11_COMPILE_FEATURES) + else() + set(_result 0) + endif() +endmacro() |