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Jeremy Huddleston Sequoia (jeremyhu) pushed a commit to branch master
in repository macports-ports.

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<p><a href="https://github.com/macports/macports-ports/commit/11cded2a12da6e93b5ddc670a1b6ed72cfb513bf">https://github.com/macports/macports-ports/commit/11cded2a12da6e93b5ddc670a1b6ed72cfb513bf</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 11cded2  mesa: Blacklist clang from Xcode 7 and earlier
</span>11cded2 is described below

<span style='display:block; white-space:pre;color:#808000;'>commit 11cded2a12da6e93b5ddc670a1b6ed72cfb513bf
</span>Author: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
AuthorDate: Fri Sep 1 09:39:41 2017 -0700

<span style='display:block; white-space:pre;color:#404040;'>    mesa: Blacklist clang from Xcode 7 and earlier
</span><span style='display:block; white-space:pre;color:#404040;'>    
</span><span style='display:block; white-space:pre;color:#404040;'>    Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
</span>---
 x11/mesa/Portfile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

<span style='display:block; white-space:pre;color:#808080;'>diff --git a/x11/mesa/Portfile b/x11/mesa/Portfile
</span><span style='display:block; white-space:pre;color:#808080;'>index bf3294e..38ec882 100644
</span><span style='display:block; white-space:pre;background:#e0e0ff;'>--- a/x11/mesa/Portfile
</span><span style='display:block; white-space:pre;background:#e0e0ff;'>+++ b/x11/mesa/Portfile
</span><span style='display:block; white-space:pre;background:#e0e0e0;'>@@ -68,7 +68,11 @@ configure.env-append \
</span> 
 # This project is affected by a bug in Apple's gcc driver driver that I fixed in the apple-gcc42 port.
 # Use that or clang.
<span style='display:block; white-space:pre;background:#ffe0e0;'>-compiler.blacklist gcc-3.3 gcc-4.0 gcc-4.2 llvm-gcc-4.2 {clang < 100}
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+# clang-700.1.81 (Xcode 7.2.1) fails at:
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+#     disk_cache.c:637:7: error: cannot compile this atomic library call yet
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+#           p_atomic_add(cache->size, - (uint64_t)sb.st_blocks * 512);
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+#           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
</span><span style='display:block; white-space:pre;background:#e0ffe0;'>+compiler.blacklist gcc-3.3 gcc-4.0 gcc-4.2 llvm-gcc-4.2 {clang < 800}
</span> 
 platform darwin {
     if {${os.major} < 11} {
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