On 2019-09-03 21:59, Anton Gladky wrote: > Dear mips porters, > > I am maintaining the gnuplot in the Debian and there is a segfault on the > mipsel, what I reported to upstream [1]. > > There is a question from the gnuplot author, which I am not able to response. > Could you please have a look? > > It segfaults somewhere in the static global structure. And the problem > appeared > recently, maybe due to the GCC-9 migration. There were not problems with > GCC-8. > Some regressions?
I confirm it's a regression due introduced by GCC 9. I have reported the bug upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91769 Until this bug is fixed, you can use the following workaround: --- gnuplot-5.2.6+dfsg1.orig/src/axis.c +++ gnuplot-5.2.6+dfsg1/src/axis.c @@ -2698,6 +2698,9 @@ map_y(double value) * If update is TRUE then check and update rrange autoscaling */ coord_type +#ifdef __mips +__attribute__((optimize("-O1"))) +#endif polar_to_xy( double theta, double r, double *x, double *y, TBOOLEAN update) { coord_type status = INRANGE; -- Aurelien Jarno GPG: 4096R/1DDD8C9B [email protected] http://www.aurel32.net -- Aurelien Jarno GPG: 4096R/1DDD8C9B [email protected] http://www.aurel32.net
