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Chris Jones (cjones051073) pushed a commit to branch master
in repository macports-ports.

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<p><a href="https://github.com/macports/macports-ports/commit/3d8a790a02ebd2b984af1a4963da66ecf2316e5e">https://github.com/macports/macports-ports/commit/3d8a790a02ebd2b984af1a4963da66ecf2316e5e</a></p>
<pre style="white-space: pre; background: #F8F8F8">The following commit(s) were added to refs/heads/master by this push:
<span style='display:block; white-space:pre;color:#404040;'>     new 3d8a790a02e compilers: Prefer macports-clang-16 if c++20 is requested
</span>3d8a790a02e is described below

<span style='display:block; white-space:pre;color:#808000;'>commit 3d8a790a02ebd2b984af1a4963da66ecf2316e5e
</span>Author: Chris Jones <jonesc@macports.org>
AuthorDate: Wed Mar 29 14:50:09 2023 +0100

<span style='display:block; white-space:pre;color:#404040;'>    compilers: Prefer macports-clang-16 if c++20 is requested
</span>---
 _resources/port1.0/compilers/clang_compilers.tcl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

<span style='display:block; white-space:pre;color:#808080;'>diff --git a/_resources/port1.0/compilers/clang_compilers.tcl b/_resources/port1.0/compilers/clang_compilers.tcl
</span><span style='display:block; white-space:pre;color:#808080;'>index ef3d8257f40..be57c234260 100644
</span><span style='display:block; white-space:pre;background:#e0e0ff;'>--- a/_resources/port1.0/compilers/clang_compilers.tcl
</span><span style='display:block; white-space:pre;background:#e0e0ff;'>+++ b/_resources/port1.0/compilers/clang_compilers.tcl
</span><span style='display:block; white-space:pre;background:#e0e0e0;'>@@ -8,12 +8,16 @@
</span> global os.major os.platform
 
 if {${os.major} >= 11 || ${os.platform} ne "darwin"} {
<span style='display:block; white-space:pre;background:#e0ffe0;'>+    if {[option compiler.cxx_standard] >= 2020} {
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+        # clang 16 is the first to have 'decent' c++20 support so use this
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+        # For now limit exposure to this compiler for older standards.
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+        # To be relaxed once clang-16 matures a bit.
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+        lappend compilers macports-clang-16
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+    }
</span>     lappend compilers macports-clang-15 \
                       macports-clang-14 \
                       macports-clang-13 \
                       macports-clang-12
<span style='display:block; white-space:pre;background:#ffe0e0;'>-    # add latest to end of list for a while for testing
</span><span style='display:block; white-space:pre;background:#ffe0e0;'>-    lappend compilers macports-clang-16
</span> }
 
 if {${os.major} >= 10} {
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