> 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. Thanks for adding the patch and thanks to Khem for reporting it. Best, sam
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