On Wed, Sep 04, 2024 at 17:48:04 +0200, Andreas K. Huettel wrote: > Dear all, > > in Gentoo Linux we want to change our CHOST triplets for 32-bit glibc systems > that use 64-bit time_t, since > this is technically an ABI change which breaks binary compatibility [1]. > > We are thinking of adding a "t64" suffix to the ABI field, resulting in for > example i686-pc-linux-gnut64, > armv7a-unknown-linux-gnueabihft64, ... [2] > > * So far my research indicates that in the GNU toolchain (gcc, glibc, > binutils) anything behind -gnu is > ignored (as ABI version, which this effectively is too). Is this correct or > do you foresee problems here? > I've had a small chroot rebuild itself (the Gentoo @system set) with > i686-pc-linux-gnut64 and only had to > add a minor patch to ncurses [3]; everything else worked fine. >
... > [3] https://bpa.st/HV6BS FYI, this paste expires in 1 week. Here's the contents: diff '--color=auto' -ruN ncurses-6.4.orig/aclocal.m4 ncurses-6.4/aclocal.m4 --- ncurses-6.4.orig/aclocal.m4 2024-08-29 20:47:34.978057133 +0000 +++ ncurses-6.4/aclocal.m4 2024-08-29 20:48:57.809473044 +0000 @@ -10139,7 +10139,7 @@ cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; -(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc) +(linux*gnu*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc) CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*)
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