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From: | Peter Maydell |
Subject: | Re: [Qemu-devel] [PATCH] QEMU_BUILD_BUG_ON: use __COUNTER__ |
Date: | Tue, 31 Jan 2017 15:47:32 +0000 |
On 31 January 2017 at 15:26, Markus Armbruster <address@hidden> wrote: > __COUNTER__ was added to GNU cpp in 2007. Good. What about clang? > "clang -dM -E -x c /dev/null" comes up empty on my machine (3.8.0). Since __COUNTER__ is magic it doesn't appear in the -dM output. You can test for it working with echo 'counter is __COUNTER__ __COUNTER__' | clang -E -x c - thanks -- PMM
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