On Fri, May 01, 2020 at 09:50:21AM +0200, Jacob Kroon wrote:
> On 4/30/20 11:10 PM, Richard Leitner wrote:
> > Hi Jacob,
> > thanks for the patch!
> > 
> > On Thu, Apr 30, 2020 at 03:15:56PM +0200, Jacob Kroon wrote:
> > > Signed-off-by: Jacob Kroon <[email protected]>
> > > ---
> > >   recipes-core/openjdk/openjdk-8-common.inc | 4 ++++
> > >   1 file changed, 4 insertions(+)
> > > 
> > > diff --git a/recipes-core/openjdk/openjdk-8-common.inc 
> > > b/recipes-core/openjdk/openjdk-8-common.inc
> > > index d8b30b8..5228338 100644
> > > --- a/recipes-core/openjdk/openjdk-8-common.inc
> > > +++ b/recipes-core/openjdk/openjdk-8-common.inc
> > > @@ -176,6 +176,10 @@ FLAGS_GCC6 = "-fno-lifetime-dse 
> > > -fno-delete-null-pointer-checks"
> > >   FLAGS_GCC7 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
> > >   FLAGS_GCC8 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
> > >   FLAGS_GCC9 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
> > > +FLAGS_GCC10 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
> > > +
> > > +# GCC 10 defaults to -fno-common, but OpenJDK 8 is not ready for this.
> > > +FLAGS_GCC10_append = " -fcommon"
> > 
> > Does setting "-fcommon" also work for GCC version > 5 and < 10? In
> > icedtea7-native you've appended it to CFLAGS it w/o GCC version.
> > 
> > Background of the question is that I'm currently planning to drop
> > support for GCC versions < 6 in the recipes. If done so, we currently
> > have no need for version specific flags. Just want to check if that
> > would be an exception. Thanks.
> > 
> > regards;rl
> > 
> 
> A quick check shows that support for -fcommon/-fno-common exists since at
> least gcc 4.7.2:
> https://gcc.gnu.org/onlinedocs/gcc-4.7.2/gcc/Code-Gen-Options.html
> So yes, it should work for 5 < GCC version < 10.

Great. Thanks for checking.
Then I'll take your series as-it-is and will rebase my local patches on
yours.

regards;rl


> 
> /Jacob
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