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2016 Nov 12
2
Ubuntu 16.10 Yakkety Yak uses GCC 6 but -std=c++98 is missing
...ed "-std=c++98" in Makevars
| anyway, even if it's just to avoid users using C++11 constructs and then
| wondering why their packages fail on CRAN?
There is still no minimally preproducible example here; just a (pardon me
here) rambling description of a hasty system upgrade.
It is _somewhat common_ to have to recompile C++ shared objects when compiler
major versions change.
So I am unsure if we have actually demonstrated a bug here.
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org
2016 Nov 12
2
Ubuntu 16.10 Yakkety Yak uses GCC 6 but -std=c++98 is missing
...| anyway, even if it's just to avoid users using C++11 constructs and then
| > | wondering why their packages fail on CRAN?
| >
| > There is still no minimally preproducible example here; just a (pardon me
| > here) rambling description of a hasty system upgrade.
| >
| > It is _somewhat common_ to have to recompile C++ shared objects when compiler
| > major versions change.
| >
| > So I am unsure if we have actually demonstrated a bug here.
| Don't we need "-std=c++98" for GCC 6 in Makevars anyway, even if it's
| just to save users from using C++11 cons...
2016 Nov 12
0
Ubuntu 16.10 Yakkety Yak uses GCC 6 but -std=c++98 is missing
...kevars
> | anyway, even if it's just to avoid users using C++11 constructs and then
> | wondering why their packages fail on CRAN?
>
> There is still no minimally preproducible example here; just a (pardon me
> here) rambling description of a hasty system upgrade.
>
> It is _somewhat common_ to have to recompile C++ shared objects when compiler
> major versions change.
>
> So I am unsure if we have actually demonstrated a bug here.
Don't we need "-std=c++98" for GCC 6 in Makevars anyway, even if it's
just to save users from using C++11 constructs and...
2016 Nov 13
0
Ubuntu 16.10 Yakkety Yak uses GCC 6 but -std=c++98 is missing
...de that tries to check for stream errors by comparing to NULL or
0":
if (file != NULL)
> | >
> | > There is still no minimally preproducible example here; just a (pardon
> me
> | > here) rambling description of a hasty system upgrade.
> | >
> | > It is _somewhat common_ to have to recompile C++ shared objects when
> compiler
> | > major versions change.
> | >
> | > So I am unsure if we have actually demonstrated a bug here.
> | Don't we need "-std=c++98" for GCC 6 in Makevars anyway, even if it's
> | just to sav...
2016 Nov 12
2
Ubuntu 16.10 Yakkety Yak uses GCC 6 but -std=c++98 is missing
On 12 November 2016 at 07:59, Dirk Eddelbuettel wrote:
|
| On 12 November 2016 at 14:23, Kirill M?ller wrote:
| | Thanks. I have now CXX = g++ -std=c++98 in my /etc/R/Makeconf, it's
| | picked up properly. I can only assume that the last -std= option wins if
| | more than one are given on the same command line [1].
|
| Good to know it works.
|
| I am still a little puzzled why it was