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Date:      Sat, 25 Apr 2020 12:26:59 +0000
From:      bugzilla-noreply@freebsd.org
To:        powerpc@FreeBSD.org
Subject:   [Bug 242506] lang/gcc9: powerpc: cc1: internal compiler error: Segmentation fault (on FreeBSD 12.1-RELEASE-p1)
Message-ID:  <bug-242506-25139-BGqGPMJVP1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-242506-25139@https.bugs.freebsd.org/bugzilla/>
References:  <bug-242506-25139@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242506

--- Comment #29 from commit-hook@freebsd.org ---
A commit references this bug:

Author: pkubaj
Date: Sat Apr 25 12:26:35 UTC 2020
New revision: 532950
URL: https://svnweb.freebsd.org/changeset/ports/532950

Log:
  lang/gcc9: build with base GCC on powerpc64 elfv1

  Instead of using lang/gcc8 for bootstrapping gcc9 on powerpc64 elfv1, use
directly base gcc.
  Necessary changes:
  - CFLAGS_FOR_TARGET=3D"-O0" CXXFLAGS_FOR_TARGET=3D"-O0" BOOT_CFLAGS=3D"-O=
0" in
CONFIGURE_ENV and MAKE_ENV. Otherwise bootstrapped compiler fails later in =
the
build with segfault.
  - CRTSTUFF_T_CFLAGS has changed optimizations to -O0, instead of -O2. -O2
worked in gcc8, because there was no -fno-asynchronous-unwind-tables flag a=
dded
to CRTSTUFF_T_CFLAGS. Since this works when building with clang on powerpc64
elfv2, this patch is added to EXTRA_PATCHES, only on powerpc64 elfv1,
  - BOOT_CFLAGS has added ? before =3D. This is to allow overriding BOOT_CF=
LAGS
in CONFIGURE_ENV and MAKE_ENV.
  - A patch by Gustavo Romero to gcc/dumpfile.c is necessary to allow compi=
ling
with base GCC, otherwise base GCC hits ICE. Incidentally, this patch alone =
also
fixes build for powerpc (32 bits) with base GCC.

  Bump PORTREVISION for dependency change.

  PR:           245511, 242506
  Approved by:  gerald (maintainer timeout)

Changes:
  head/lang/gcc9/Makefile
  head/lang/gcc9/files/extra-patch-libgcc_config_rs6000_t-crtstuff
  head/lang/gcc9/files/patch-Makefile.in
  head/lang/gcc9/files/patch-gcc_dumpfile.c

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