Hi,
On 6 January 2017 at 13:54, Jakub Jelinek <ja...@redhat.com> wrote: > On Fri, Jan 06, 2017 at 01:41:15PM +0100, Martin Liška wrote: >> Hello. >> >> This enables doable LTO bootstrap w/o -disable-werror. First change is >> mentioned >> in the PR, second is adding -fno-lto to libdecnumber. Honza told me that >> proper >> fix would take more effort as it's an old library. Last needed hunk handles >> -Wmaybe-uninitialized, >> as described in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79003#c4. >> >> Patch LTO bootstraps on x86_64-linux-gnu, can bootstrap on >> ppc64le-redhat-linux >> and survives regression tests. >> >> Ready to be installed? >> Martin > >> >From 67a3ccd99963ac19cbaebf17453cb51819c7bf1d Mon Sep 17 00:00:00 2001 >> From: marxin <mli...@suse.cz> >> Date: Thu, 5 Jan 2017 17:18:27 +0100 >> Subject: [PATCH] Fix lto-bootstrap (PR bootstrap/79003). >> >> gcc/ChangeLog: >> >> 2017-01-05 Martin Liska <mli...@suse.cz> >> >> PR bootstrap/79003 >> * lra-constraints.c: Rename invariant to lra_invariant. >> * predict.c (set_even_probabilities): Initialize e to NULL. >> >> libdecnumber/ChangeLog: >> >> 2017-01-05 Martin Liska <mli...@suse.cz> >> >> PR bootstrap/79003 >> * Makefile.in: Add -fno-lto to {C,CPP,LD}FLAGS. > > Ok, thanks. > > Jakub This makes all my builds fail. (The *linux* ones are broken after Alexandre's pragma, and this commit breaks the remaining bare-metal configurations). make[2]: Entering directory `/tmp/3119026_6.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-aarch64-none-linux-gnu/gcc1/libdecnumber' source='/tmp/3119026_6.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libdecnumber/decNumber.c' object='decNumber.o' libtool=no gcc -I/tmp/3 119026_6.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libdecnumber -I. -fno-lto -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissi ng-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -pedantic -Wno-long-long -I/tmp/3119026_6.tmpdir/aci-gcc-fs f/sources/gcc-fsf/gccsrc/libdecnumber -I. -fno-lto -c /tmp/3119026_6.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libdecnumber/decNumber.c cc1: error: unrecognized command line option "-fno-lto" cc1: error: unrecognized command line option "-fno-lto" Still using gcc-4.4.7 on RHEL6.... Christophe
