Commit Graph

72 Commits

Author SHA1 Message Date
Stephen Kelly b15c008fac Features: Record for GNU 4.6.
Adjust the CompileFeatures genex_test for the expectation of the
OVERRIDE_CONTROL feature group.
2015-01-16 00:11:01 +01:00
Stephen Kelly 1f19ac4da5 Features: Adjust cxx_variadic_templates unit test for GNU < 4.7.
The unit test for this fails with GNU 4.6:

 Building CXX object CMakeFiles/test_cxx_variadic_templates.dir/cxx_variadic_templates.cpp.o
   CompileFeatures/cxx_variadic_templates.cpp: In static member function ‘static int Interface<I, Is>::accumulate()’:
   CompileFeatures/cxx_variadic_templates.cpp:18:31: sorry, unimplemented: cannot expand ‘Is ...’ into a fixed-length argument list
 CMakeFiles/test_cxx_variadic_templates.dir/build.make:54: recipe for target 'CMakeFiles/test_cxx_variadic_templates.dir/cxx_variadic_templates.cpp.o' failed

The workaround is to use a specialization:

 http://stackoverflow.com/questions/1989552
 http://stackoverflow.com/questions/11297376
2015-01-15 22:13:22 +01:00
Stephen Kelly 0798d1e5b0 Features: Extend the generalized_initializers test for GNU < 4.7.
That compiler requires a different initializer_list constructor, so
update the test to match.
2015-01-15 22:13:22 +01:00
Stephen Kelly 1f4649e62f Features: Update the default_dialect test for old GNU-like compilers.
Prior to GNU 4.7, GNU defined __cplusplus incorrectly, and defined
__GXX_EXPERIMENTAL_CXX0X__ in C++11 mode.
2015-01-15 22:13:22 +01:00
Stephen Kelly 06ff525492 Features: Extend the tests for the COMPILE_FEATURES genex. 2015-01-15 21:51:18 +01:00
Stephen Kelly 3ad893b5c2 Features: Record for historical Xcode clang versions. 2015-01-11 16:52:27 +01:00
Robert Maynard a15675efc3 Features: Quote all compiler names when comparing with COMPILER_ID
In preparation of adding MSVC support we need to quote all compiler names,
as MSVC is also a CMake variable.
2015-01-11 16:47:58 +01:00
Stephen Kelly 6296192def Features: Add a comment explaining part of test. 2015-01-03 15:18:39 +01:00
Stephen Kelly c13656e717 Features: Test nullptr as a side-effect activation of static_assert.
Because not all compilers under test support the existing 'activation
features', add another test to ensure that compilers which support
both static_assert and nullptr behave as expected in this test.
2015-01-03 15:14:52 +01:00
Stephen Kelly 3e34e8331a Features: Test feature propagation with more-common features.
The purpose of the feature listing in these tests is to make other
features from the same feature set (eg "C++11 features") available.

The compilers under test until now have supported these 'activation
features', but MSVC does not.  Use the cxx_static_assert feature
instead to activate the feature set.
2015-01-03 15:11:04 +01:00
Stephen Kelly b3e86f4e97 Features: Test an expectation of whether OVERRIDE_CONTROL is expected
The tests below test the presence of both cxx_final and cxx_override,
only one of which is supported by MSVC.  The test is in part intended
to verify that the COMPILE_FEATURES genex supports multiple arguments
and allows users to define names for groups of features (Clang already
calls cxx_final and cxx_override 'override control' as a group).  Keep
the test, and allow the expectation to be set as appropriate.
2015-01-03 15:09:58 +01:00
Stephen Kelly a3d0ae1758 Features: Fix the default C dialect for Clang and GNU.
Clang 3.4 uses C99 by default, and Clang 3.6 uses C11 by default:

 http://thread.gmane.org/gmane.comp.compilers.clang.devel/39379

GNU 4.9 uses C90 by default, and GNU 5.0 uses C11 by default:

 https://gcc.gnu.org/gcc-5/changes.html

Test that the default compiler settings result in the expected dialect
macros being defined for both C and CXX.  Remove the unused main.c
file from the CompileFeatures unit test.
2014-11-20 18:24:59 +01:00
Stephen Kelly 7565ab2cd1 Features: Test the CXX compiler only if it has features.
If using different C and CXX compilers, we might not have a
feature-full CXX compiler at this point.
2014-11-19 00:42:35 +01:00
Stephen Kelly dd043c3f21 Features: Add support for C++14 features.
Record the features implemented by GNU 4.9 and Clang 3.4.
2014-05-22 18:01:23 +02:00
Stephen Kelly 0dfe395e3c Features: Add COMPILE_FEATURES generator expression.
Allow setting build properties based on the features available
for a target.  The availability of features is determined at
generate-time by evaluating the link implementation.

Ensure that the <LANG>_STANDARD determined while evaluating
COMPILE_FEATURES in the link implementation is not lower than that
provided by the INTERFACE of the link implementation.  This is
similar to handling of transitive properties such as
POSITION_INDEPENDENT_CODE.
2014-05-21 17:22:32 +02:00
Stephen Kelly e0890d03a4 Features: Extend concept to C language.
Add properties and variables corresponding to CXX equivalents.

Add features for c_function_prototypes (C90), c_restrict (C99),
c_variadic_macros (C99) and c_static_assert (C11). This feature
set can be extended later.

Add a <PREFIX>_RESTRICT symbol define to WriteCompilerDetectionHeader
to conditionally represent the c_restrict feature.
2014-05-15 00:15:18 +02:00
Stephen Kelly 6a9fdbeb48 Test: Parameterize the language in the CompileFeature test. 2014-05-09 17:29:05 +02:00
Stephen Kelly f5bf9d4311 Tests: Make CompileFeature tests use highest standard known.
Remove the use of check_cxx_source_compiles which is now just getting in
the way.

Blacklist the cxx_alignof feature in the test with GNU 4.7. The test
file compiles, but it is documented as available first in GNU 4.8.
2014-05-09 14:39:30 +02:00
Brad King f1d504d6cd Merge topic 'GNU-4.7-features'
9cbc63e4 Features: Record for GNU 4.7.
2014-05-08 11:28:03 -04:00
Stephen Kelly 9cbc63e40c Features: Record for GNU 4.7.
Update the CompileFeatures test to verify that unsupported features
do not work.
2014-05-07 22:02:02 +02:00
Stephen Kelly 205215fb8a cmTarget: Add CXX_STANDARD_REQUIRED to control decay. 2014-05-07 12:17:49 +02:00
Stephen Kelly 3fdfa5d3fc Features: Make CMAKE_CXX_KNOWN_FEATURES a property.
As a 'built-in' variable it imposes a cost on all variable lookups
and it is expected to be rarely used.
2014-05-02 10:18:16 +02:00
Brad King 8535d4cf5d Merge topic 'cxx98-features'
a36b957f Features: Add cxx_template_template_parameters.
2014-04-30 09:42:00 -04:00
Stephen Kelly 447fbb3fac Tests: Execute compile features tests unconditionally.
Conditionally create a dummy test if there are no known features.
2014-04-17 16:20:50 +02:00
Stephen Kelly a36b957fc4 Features: Add cxx_template_template_parameters.
Extend the existing feature infrastructure as needed to support
both C++11 and C++98 features.
2014-04-16 15:16:23 +02:00
Stephen Kelly 60c0d2dd81 Features: Add cxx_defaulted_move_initializers. 2014-04-08 11:05:58 +02:00
Stephen Kelly c4e672358c Features: Add cxx_long_long_type. 2014-04-08 11:05:58 +02:00
Stephen Kelly dcaafada0e Features: Add cxx_func_identifier. 2014-04-08 11:05:57 +02:00
Stephen Kelly 251a1f02a0 Features: Add cxx_local_type_template_args. 2014-04-08 11:05:57 +02:00
Stephen Kelly 53fe7773e6 Features: Add cxx_extended_friend_declarations. 2014-04-08 11:05:57 +02:00
Stephen Kelly 16603f7cdb Features: Add cxx_enum_forward_declarations. 2014-04-08 11:05:57 +02:00
Stephen Kelly adf22f611e Features: Add cxx_default_function_template_args. 2014-04-08 11:05:57 +02:00
Stephen Kelly 7b3e8a0534 Features: Add cxx_right_angle_brackets. 2014-04-08 11:05:57 +02:00
Stephen Kelly 9a49fd21be Features: Add cxx_decltype_incomplete_return_types. 2014-04-08 11:05:57 +02:00
Stephen Kelly 1889045ca6 Features: Add cxx_sizeof_member. 2014-04-08 11:05:57 +02:00
Stephen Kelly ab455ebafd Features: Add cxx_thread_local. 2014-04-08 11:05:57 +02:00
Stephen Kelly 300ce2481e Features: Add cxx_inline_namespaces. 2014-04-08 11:05:57 +02:00
Stephen Kelly f9d04a96b5 Features: Add cxx_variadic_macros. 2014-04-08 11:05:57 +02:00
Stephen Kelly 3d76656fb3 Features: Add cxx_uniform_initialization. 2014-04-08 11:05:56 +02:00
Stephen Kelly e74b216c90 Features: Add cxx_generalized_initializers. 2014-04-08 11:05:56 +02:00
Stephen Kelly ff80c3b420 Features: Add cxx_attributes. 2014-04-08 11:05:56 +02:00
Stephen Kelly 7605fee593 Features: Add cxx_alignof. 2014-04-08 11:05:56 +02:00
Stephen Kelly e7d6e1f44f Features: Add cxx_alignas.
cxx_alignof will be a separate feature known to CMake, because
both can be implemented with separate backward compatibility
versions.
2014-04-08 11:05:56 +02:00
Stephen Kelly 32c2acd65c Features: Add cxx_extern_templates. 2014-04-08 11:05:56 +02:00
Stephen Kelly 9064f78b0c Features: Add cxx_unrestricted_unions. 2014-04-08 11:05:56 +02:00
Stephen Kelly 3322b393a2 Features: Add cxx_unicode_literals. 2014-04-08 11:05:56 +02:00
Stephen Kelly 04c5b99f38 Features: Add cxx_user_literals. 2014-04-08 11:05:56 +02:00
Stephen Kelly e1e292cd06 Features: Add cxx_alias_templates. 2014-04-08 11:05:56 +02:00
Stephen Kelly 3300f78310 Features: Add cxx_rvalue_references. 2014-04-08 11:05:55 +02:00
Stephen Kelly b1c5bd5314 Features: Add cxx_reference_qualified_functions. 2014-04-08 11:05:55 +02:00