From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Wed, 10 Oct 2018 21:50:14 +0200 Subject: [Buildroot] [PATCH v3,1/1] boost: context needs C++11 In-Reply-To: <20180821212547.14690-1-fontaine.fabrice@gmail.com> References: <20180821212547.14690-1-fontaine.fabrice@gmail.com> Message-ID: <20181010215014.34129a2b@windsurf> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Tue, 21 Aug 2018 23:25:47 +0200, Fabrice Fontaine wrote: > Without std=c++11, mutex is not always correctly detected with gcc 4.7, > 4.8 or even 5.x. As a result, boost_thread is wrongly selected by > boost_context. > > mutex is available on gcc 4.7.x, the issue is that boost does not > correctly detect it because -std=c++11 was missing. > Keep thread select for gcc version lower or equal to 4.6. mutex is > available since gcc 4.4 (with std=c++0x) but common buildroot practice > for C++11 packages is to have a dependency on gcc 4.7, 4.8 or 4.9 > depending on the requested C++11 features. > > Fixes: > - http://autobuild.buildroot.net/results/fb046c04fe18bec973d120e4ab33971f32ba5769 > - http://autobuild.buildroot.net/results/99f1a255b78a973faeb8bf3b94d78efc54426a8b > > Signed-off-by: Fabrice Fontaine > --- > Changes v2 -> v3 (after review of Thomas Petazzoni): > - Merge both patches > - Update commit message Applied to master, thanks. Thomas -- Thomas Petazzoni, CTO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com