On Sun, Mar 13, 2022 at 9:14 AM Sam <s...@cmpct.info> wrote: > > > > > On 13 Mar 2022, at 14:17, Bruno Haible <br...@clisp.org> wrote: > > > > Eric Blake wrote: > >> On Wed, Mar 09, 2022 at 11:37:14PM -0800, Khem Raj wrote: > >>> mcontext is not a standard layout so glibc and musl differ sadly. > >>> > >>> Fixes > >>> ../../m4-1.4.19/lib/sigsegv.c: In function 'sigsegv_handler': > >>> > >>> > >>> ../../m4-1.4.19/lib/sigsegv.c:223:75: error: 'mcontext_t' has no member > >>> named 'uc_regs'; did you mean 'gregs'? > >>> 223 | # define > >>> SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) > >>> ucp)->uc_mcontext.uc_regs->gregs[1] > >>> | > >>> ^~~~~~~ > >> > >> Thanks for the report. As this file comes from gnulib, the fix needs > >> to go there first. > > > > Thanks for the report. I'm adding this patch to GNU libsigsegv: > > https://git.savannah.gnu.org/gitweb/?p=libsigsegv.git;a=commitdiff;h=a6ff69873110c0a8ba6f7fd90532dbc11224828c > > > > and then this (derived) patch to Gnulib. > > > > I couldn't verify that it works, since there is no Linux distro that is > > based > > on musl libc and is ported to Linux/powerpc (32-bit). > > There's at least Gentoo, Adélie, and at least for now, Void.
all OpenEmbedded/yocto based distributions as well do support ppc32/musl. > > Thanks for adding the patch and thanks to Khem for reporting it. > > Best, > sam
