On Fri, Jan 28, 2011 at 12:11 AM, Jakub Jelinek ja...@redhat.com wrote:
On Thu, Jan 27, 2011 at 11:29:45PM -0800, Garrett Holmstrom wrote:
On 1/27/2011 23:26, Julian Sikorski wrote:
I have just run into an issue with gcc-4.6, namely RPM Fusion's mame
failed to compile [1]. I was told that #includestddef.h was missing.
So I have two questions: why did including this header directly became
necessary (code builds fine with 4.5) and are there any other issues we
package monkeys might run into with a new compiler?
GCC 4.6 changed a lot of compiler warnings to errors, so a lot of code
(especially C++ code) that used to get away with violations like
omitting headers or assigning to un-assignable things will now fail to
build.
Care to share details? Of course there were many changes in the C++ FE,
especially for C++0x, and maybe some warnings changed into errors, but
nothing I'd describe as a lot. We haven't still written
http://gcc.gnu.org/gcc-4.6/porting_to.html so if you have interesting
info about changes that affect a lot of packages, details would be
certainly
welcome. The STL changes not to include cstddef internally is certainly
one thing that will be added there.
Jakub
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