[MacPorts] CompilerSelection modified

[MacPorts Wiki]

Page "CompilerSelection" was changed by ryandesign
Diff URL: <https://trac.macports.org/wiki/CompilerSelection?action=diff&version=19>
Revision 19
Comment: Add C++20
Changes:
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Index: CompilerSelection
=========================================================================
--- CompilerSelection (version: 18)
+++ CompilerSelection (version: 19)
@@ -2,7 +2,7 @@
 The following most-commonly used Portfile commands will choose a set of appropriate compilers with the required capability for a given OS version:
 ||= Command =||= Description =||= Possible Values =||= Default =||
 || {{{compiler.c_standard}}} || C Standard Required || 1989, 1999, 2011 || 1989 ||
-|| {{{compiler.cxx_standard}}} || C++ Standard Required || 1998, 2011, 2014, 2017 || 1998 ||
+|| {{{compiler.cxx_standard}}} || C++ Standard Required || 1998, 2011, 2014, 2017, 2020 || 1998 ||
 || {{{compiler.thread_local_storage}}}  || Is thread local storage required? || yes or no || no || 
 
 For further details and more related options, please read on.
@@ -57,11 +57,12 @@
 ||= 2017 (C17)   =||    [https://clang.llvm.org/c_status.html#c17 6.0]  ||  1000.11.45.2   ||    10.0    ||    [https://gcc.gnu.org/onlinedocs/gcc-8.1.0/gcc/C-Dialect-Options.html#index-std-1 8.0]    ||
 
 [https://en.cppreference.com/w/cpp/compiler_support C++ Standards supported by Clang, GCC, and Xcode]:
-||=  C++ Standard =||=   Clang   =||=  Xcode Clang  =||=   Xcode   =||=    GCC  =||
-||= 1998 (C++98) =||    [https://clang.llvm.org/cxx_status.html#cxx98 -]     =||=       -      =||=     -    =||=    [https://gcc.gnu.org/projects/cxx-status.html#cxx98 -]      =||
-||= 2011 (C++11) =||    [https://clang.llvm.org/cxx_status.html#cxx11 3.3]    ||   500.2.75    ||    5.0    ||   [https://gcc.gnu.org/projects/cxx-status.html#cxx11 4.8.1]   ||
-||= 2014 (C++14) =||    [https://clang.llvm.org/cxx_status.html#cxx14 3.4]    ||   602.0.49    ||    6.3    ||    [https://gcc.gnu.org/projects/cxx-status.html#cxx14 5]     ||
-||= 2017 (C++17) =||    [https://clang.llvm.org/cxx_status.html#cxx17 5.0]    ||   1000.11.45.2  ||    10.0    ||    [https://gcc.gnu.org/projects/cxx-status.html#cxx17 7]     ||
+||= C++ Standard =||= Clang                                              =||= Xcode Clang  =||= Xcode =||= GCC                                                        =||
+||= 1998 (C++98) =||  [https://clang.llvm.org/cxx_status.html#cxx98 -]    ||  -             ||  -      ||  [https://gcc.gnu.org/projects/cxx-status.html#cxx98 -]      ||
+||= 2011 (C++11) =||  [https://clang.llvm.org/cxx_status.html#cxx11 3.3]  ||  500.2.75      ||  5.0    ||  [https://gcc.gnu.org/projects/cxx-status.html#cxx11 4.8.1]  ||
+||= 2014 (C++14) =||  [https://clang.llvm.org/cxx_status.html#cxx14 3.4]  ||  602.0.49      ||  6.3    ||  [https://gcc.gnu.org/projects/cxx-status.html#cxx14 5]      ||
+||= 2017 (C++17) =||  [https://clang.llvm.org/cxx_status.html#cxx17 5.0]  ||  1000.11.45.2  ||  10.0   ||  [https://gcc.gnu.org/projects/cxx-status.html#cxx17 7]      ||
+||= 2020 (C++20) =||  [https://clang.llvm.org/cxx_status.html#cxx20 16]   ||  1500(?)       ||  15(?)  ||  [https://gcc.gnu.org/projects/cxx-status.html#cxx20 8]      ||
 
 === Parallelism ===
 The compilers provided by Xcode do not support all of the methods of parallelism that ports may require.
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