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Updated (attached) patch and PR with FOrtran 2008 Standard support check via accessing imaginary part of complex number. |
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This check is formaly as since GCC-9.0 there almost all planning Fortran 2008 Standart features were implemented. |
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The version <sys-devel/gcc-9.0 are masked in portage tree. |
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According to 1 the one of the recent implemented GCC-gfortran Fortran 2008 feature is |
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"Accessing real and imaginary parts (since 9.0, 2018-11-01)" |
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The "Contiguous attribute" (since 4.6, 2010-06-21, the is_contiguous intrinsic has been implemented on 2019-01-07) |
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is more recent but harder to check. |
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> I definitely must use another feature to check as -fcoarray=single is supported since GCC 4.6 while there are several Fortran features supported since GCC 9.0 :( |
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> |
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> 16.06.2022, 01:52, "Torokhov Sergey" <torokhov-s-a@××××××.ru>: |
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> |
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>> Currently the fortran-2.eclass Fortran compiler dialect is restricted with check of Fortran 2003 standard. |
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>> Some packages could require to check at least Fortran 2008 support. |
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>> |
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>> The proposed attached patch offer to check Fortran 2008 compatibility via one of the new most notable feature - Coarrays support (parallel processing feature). |
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>> Besides the new test file the current check require the passing of GCC (gfortran) compiler option `-fcoarray=single` to check Fortran 2008 compatibility. |
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>> |
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>> The same patch is available via GIthub pull request: https://github.com/gentoo/gentoo/pull/25920 |
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