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author | Brad King <brad.king@kitware.com> | 2023-12-05 14:29:36 (GMT) |
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committer | Kitware Robot <kwrobot@kitware.com> | 2023-12-05 14:29:44 (GMT) |
commit | 3e8f0211378664665abc5e09503296eb4825b50a (patch) | |
tree | f5f836c5d3f7fb94a3100e729080737f50fa3b30 /Source | |
parent | d301276bf5fb1a6336b3a42ab3005332692bf2d0 (diff) | |
parent | 40af103402b1a6f2d19f7531dfacb23010225392 (diff) | |
download | CMake-3e8f0211378664665abc5e09503296eb4825b50a.zip CMake-3e8f0211378664665abc5e09503296eb4825b50a.tar.gz CMake-3e8f0211378664665abc5e09503296eb4825b50a.tar.bz2 |
Merge topic 'RH-gcc-toolset-10-bug-check' into release-3.28
40af103402 cmCMakePath: do not use std::filesystem::path with RH gcc-toolset-10
Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !9026
Diffstat (limited to 'Source')
-rw-r--r-- | Source/Checks/cm_cxx_filesystem.cxx | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Source/Checks/cm_cxx_filesystem.cxx b/Source/Checks/cm_cxx_filesystem.cxx index 732f28f..c8df589 100644 --- a/Source/Checks/cm_cxx_filesystem.cxx +++ b/Source/Checks/cm_cxx_filesystem.cxx @@ -1,5 +1,8 @@ #include <filesystem> +#if defined(__GLIBCXX__) +# include <string_view> +#endif int main() { @@ -34,5 +37,30 @@ int main() p5.remove_filename(); #endif +#if defined(__GLIBCXX__) + // RH gcc-toolset-10 has a strange bug: it selects, in some circumstances, + // the wrong constructor which generate error in template instantiation. + class my_string_view : std::string_view + { + public: + my_string_view(const char* p) + : std::string_view(p) + { + } + }; + class my_path + { + public: + my_path(std::filesystem::path path) {} + + my_path(my_string_view path) {} + }; + + my_path p{ my_string_view{ "abc" } }; + // here is the bug: the constructor taking std::filesystem::path as argument + // is selected, so the compiler try to build a std::filesystem::path instance + // from the my_string_view argument and fails to do so. +#endif + return 0; } |