Apply the optimization from commit v3.10.0-rc1~131^2 (MSVC: Avoid
unnecessary C++ feature detection steps, 2017-09-11) to the case of
Clang simulating a version of MSVC that does not define standards.
Issue: #17274
VS 15.3 has more features than we recorded in commit v3.7.0-rc1~156^2~2
(Features: Record features for VS 15 Preview 4, 2016-09-05).
While at it, update comments and simplify some cases.
Android NDK r16b comes with
Android clang version 5.0.300080 (based on LLVM 5.0.300080)
Although it claims version 5, it does not support the `-std=c++17`
or `-std=c++2a` flags that upstream Clang does.
Android NDK r17-beta1 comes with
Android (4639204 based on r316199) clang version 6.0.1
that does have the flags.
8570dc7f64 Help: Update compiler versions in cmake-compile-features.7.rst
874d3d2948 Help: Add release note for C++ 20 support
7f295b1bd3 Features: Activate C++ 20 support for Clang 5.0+
71cb8ce3a1 Features: Activate C++ 20 support for GNU 8.0+
8f146c4508 Features: Activate C++ 20 support for MSVC 19.12.25835+
7fe580a362 Features: Add infrastructure for C++ 20 language standard
1b328e09a3 Features: Use -std=c++17 for C++ 17 on Clang 5.0+
0bc3e5788a Features: Use -std=c++17 for C++ 17 on GNU 8.0+
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1892
The MSVC C compiler has no notion of C language standards or flags.
Tell CMake to assume that all language standards are available.
Record available C language features depending on the version of
the compiler.
Fixes: #17858
Features recorded by commit v3.6.0-rc1~120^2~5 (Features: Record
standards and features for Intel C++ on UNIX, 2016-04-28) for the Intel
compiler left out initializer list support because our test case in
`Tests/CompileFeatures/cxx_generalized_initializers.cpp` caused an
internal compiler error. It turns out this is because the Intel
compiler asserts the `initializer_list` constructor signatures to verify
that they match its own `<initializer_list>` header. It was our dummy
implementation used to test the language feature without any headers
that caused the ICE. Revise it to use a constructor signature accepted
by the Intel compiler.
Fixes: #17829
IBM XL C/C++ for Linux versions 13.1.6 and above no longer define
`__IBMC__` or `__IBMCPP__` by default (see `-qxlcompatmacros`).
Instead `__ibmxl__` now identifies the compiler along with some
related new version macros.
Fixes: #17784
In commit v3.11.0-rc1~466^2 (Compiler/TI: Add support for depfile
generation for Ninja, 2017-10-16) the flag for C++ was added in a
variable with a typo in its name. Fix the spelling.
Issue: #17360
c4dc6485 XL: Enable use of response files for includes and objects
e342e410 Makefile,Ninja: Use tool-specific response file flag for include dirs
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1691
The `CMakeASMInformation` module warns when no compiler-specific module
is found for the `ASM` language. Add a minimal `Compiler/MSVC-ASM`
module to avoid the warning for MSVC.
Fixes: #17532
The IAR compiler test works when a project specifies LANGUAGES C CXX
but fails if CXX comes before C. This change makes it work regardless
of the order.
3c368228 Flang: Add support for compiling sources on Windows
72d27964 Flang: Identify as simulating MSVC on Windows
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1430
Some are user facing.
Found using
codespell -q 3 --skip="./Utilities" -I .cmake-whitelist.txt`
whereby the whitelist contained:
ans
dum
helpfull
emmited
emmitted
buil
iff
isnt
nto
ot
pathes
substract
te
todays
upto
whitespaces
This was done for C++ by commit v3.5.0-rc1~69^2 (Record compile features
for MinGW Clang on Windows, 2016-01-11). Make the same change for C.
The `UNIX` condition on Clang C compiler features was already dropped by
refactoring in commit v3.9.0-rc1~17^2~4 (Compilers: Port to use default
cmake_record_lang_compile_features macros, 2017-05-10).
Our documentation already claims support for this combination. This
was simply an oversight when support was added for MinGW Clang C++.
Issue: #15897
Issue: #15943
In `CMakeFortranCompilerId.F.in`, take the `_MSC_VER` out of the
Intel-specific block so it will trigger for other compilers like Flang.
In `Compiler/Clang.cmake`, switch off Fortran too.
In the normal archiving rules the ``<CMAKE_AR>`` placeholder is replaced
by the generators with a properly-quoted path to the tool. In the IPO
rules we specify the tools directly, so we need to quote them.
Fixes: #17326
`__IAR_SYSTEMS_ICC__` provides additional version information that
we need to determine correct usage of the compiler. Extract and
store it as `CMAKE_<LANG>_COMPILER_VERSION_INTERNAL`.
Issue: #17264
Starting in CUDA 9 the default compilation mode is C++14, and you need
to explicitly enable C++98/03 mode.
While at it, document `14` among the values for `CUDA_STANDARD`. This
was accidentally left out of commit v3.9.0-rc1~118^2 (CUDA: Add support
for the C++14 standard flag, 2017-05-11).
Remove -Mipa=fast as a default flag and add it as an option instead.
-Mipa=fast is a flag that speeds up runtime but at the cost of significant
compile time increase and therefore, shouldn't be a default flag.
In addition, -Mipa isn't supported on PGI OpenPOWER or x86/llvm compilers.
Since commit v3.9.0-rc1~17^2~4 (Compilers: Port to use default
cmake_record_lang_compile_features macros, 2017-05-10) we run full
per-language-standard feature detection for MSVC. This is not necessary
because the base mode for MSVC has all features we define except for the
meta-features for C++14 and above. Override the default C++ feature
detection macro for MSVC to run detection only once as before.
Fixes: #17274
flang is a Fortran compiler built on top of clang [1]. Because flang
shares a lot of commonalities with clang, the flang module piggybacks
off the clang module and overrides certain options.
Add flang to Fortran compiler auto find list.
Update flang preprocessor macros to differentiate from PGI.
Add Flang-FindBinUtils.
[1] https://github.com/flang-compiler/flang
Brad King