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54e8b0ed9d
Fixes a new test failure in msm caused by the ebuild setting -std=c++17 Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com> Part-of: https://github.com/gentoo/gentoo/pull/45008 Closes: https://github.com/gentoo/gentoo/pull/45008 Signed-off-by: Sam James <sam@gentoo.org>
28 lines
1.2 KiB
Diff
28 lines
1.2 KiB
Diff
The msm-unit-tests-cxxstd20 testsuite sets <cxxstd>20, but unfortunately
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this setting is prepended relative to the ebuild's setting:
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x86_64-pc-linux-gnu-g++ -std=c++20 -fvisibility-inlines-hidden
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-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
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-pipe -O -std=c++17
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which causes an expected build error:
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In file included from Back11OrthogonalDeferred3WithPuml.cpp:15:
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boost/msm/front/puml/puml.hpp: In function 'constexpr auto boost::msm::front::puml::detail::parse_guard_simple(Func)':
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boost/msm/front/puml/puml.hpp:511:25: error: lambda-expression in unevaluated context only available with
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'-std=c++20' or '-std=gnu++20' [-Wtemplate-body]
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Setting -std=c++20 globally for the gcc toolchain lets all tests pass.
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--- boost_1_90_0/libs/msm/test/Jamfile.v2~
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+++ boost_1_90_0/libs/msm/test/Jamfile.v2
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@@ -19,7 +19,7 @@ project
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requirements
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<library>/boost/msm//boost_msm
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<include>.
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- <toolset>gcc:<cxxflags>"-ftemplate-depth-300 -g0"
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+ <toolset>gcc:<cxxflags>"-ftemplate-depth-300 -g0 -std=c++20"
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<toolset>darwin:<cxxflags>"-ftemplate-depth-300 -g0"
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<toolset>intel:<cxxflags>"-g0"
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<toolset>gcc:<optimization>off
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