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* Tests: Bump CMake minimum required in tests to 3.5Brad King2023-03-011-1/+1
| | | | | | | | | | | | | | | | | | | CMake 3.27 deprecates compatibility with CMake < 3.5. Update tests that do not cover older interfaces to avoid the deprecation warning. Follow the pattern from: * commit 7b07ccdd2b (Tests/*Only: Update cmake_minimum_required versions, 2020-06-15, v3.19.0-rc1~629^2~1) * commit 72e7c45e98 (Tests: Bump CMake minimum required in tests to 2.8.12, 2020-12-22, v3.20.0-rc1~224^2) * commit f6b4db365a (Tests: bump cmake_minimum_required version to 2.8.12, 2021-04-04, v3.21.0-rc1~372^2) Also remove explicit `cmake_policy` settings made redundant by the version.
* LCC: Add policy CMP0129 regarding interpreting LCC as GNUmakise-homura2021-10-211-0/+3
| | | | | | | | | | Due to MCST LCC compiler identification is now changed to LCC, there should be a way for old projects to still identify it as GNU, as it was before. This commits adds the policy: CMP0129: Compiler id for MCST LCC compilers is now LCC, not GNU. This policy controls such a behavior. OLD behaivior is to treat LCC as GNU, NEW is to treat is as LCC.
* LCC: Add dedicated support for MCST LCC compilermakise-homura2021-10-151-1/+1
| | | | | | | | | | | | | | | | | | | | | Divert LCC compiler as a new one, instead of treating it as GNU. Since old times, Elbrus C/C++/Fortran Compiler (LCC) by MCST has been passing checks for GNU compilers, so it has been identified as GNU. Now, with intent of seriously upstreaming its support, it has been added as a separate LCC compiler, and its version displays not a supported GCC version, but LCC version itself (e.g. LCC 1.25.19 instead of GNU 7.3.0). This commit adds its support for detection, and also converts basically every check like 'is this compiler GNU?' to 'is this compiler GNU or LCC?'. The only places where this check is untouched, is where it regards other platforms where LCC is unavailable (primarily non-Linux), and where it REALLY differs from GNU compiler. Note: this transition may break software that are already ported to Elbrus, but hardly relies that LCC will be detected as GNU; still such software is not known.
* MSYS: Add support for running under MSYS runtime environmentOrgad Shaneh2021-04-261-1/+1
| | | | Detect MSYS as CYGWIN, with the required adaptations.
* Tests: Bump CMake minimum required in tests to 2.8.12Chuck Atkins2020-12-231-1/+1
| | | | | | | Since 3.19, CMake generates a deprecation warning when using a minimum version less than 2.8.12. This eliminates those warnings generated during tests, which are typically hidden from the user and developer but are being generated nonetheless.
* Tests: Teach tests when to treat clang-cl as MSVCZsolt Parragi2019-02-111-1/+1
| | | | | | | | | | | | | | | | | | | * Disable the system include unused variable test in ExportImport when clang is in MSVC compatible mode. * Disable CxxDialect testcase when clang is in MSVC compatible mode, as it doesn't support `typeof`. * Teach Module.WriteCompilerDetectionHeader to treat clang-cl as MSVC. * Disable the SystemIncludeDirectories testcase within IncludeDirectories when clang is in MSVC compatible mode. * Disable the CMakeOnly.CheckCXXCompilerFlag testcase when clang is in MSVC compatible mode. * Treat clang-cl as MSVC in LinkOptions.cmake in the try_run and try_compile testcases.
* Check*CompilerFlag: Revert to previous method used to pass flags (#15641)Brad King2015-07-081-0/+7
| | | | | | | | | Since commit v3.3.0-rc1~397^2 (Check*CompilerFlag: Refactor method used to pass flags, 2015-02-24) these check modules pass the flags to the compiler front-end during linking as well as during compilation. This breaks checks for flags like '-x c++' that are meant only for the compilation step. Revert the change and add a test covering a compiler-only flag.
* CheckCXXCompilerFlag test: make it a CMakeOnly testRolf Eike Beer2012-01-301-0/+58