Dear Bruno, On Mon, Feb 19, 2018 at 08:41:51AM +0100, Sébastien Villemot wrote: > > > - ppc64el: lisp image generated, but fails to compile asdf (segfault) > > > > These MAY be fixed in 2.49.92, due to the memory-map fixes. > > Unfortunately this is not the case. > > > If not, please try adding -DSAFETY=3 to the CFLAGS for these architectures. > > I tried a manual build on a ppc64el box with -DSAFETY=3 and indeed it fixes > the > problem. Should I add the flag to the Debian packaging or do you plan to > investigate this further?
Actually I was able to fix the issue (and then another similar one in the testsuite) by lowering GCC optimisation for two files (hashtabl and package). I attach a mercurial changeset (on the clisp-2.50 branch) that implements this workaround, please consider applying it. Best, -- ⢀⣴⠾⠻⢶⣦⠀ Sébastien Villemot ⣾⠁⢠⠒⠀⣿⡁ Debian Developer ⢿⡄⠘⠷⠚⠋⠀ http://sebastien.villemot.name ⠈⠳⣄⠀⠀⠀⠀ http://www.debian.org
# HG changeset patch
# User Sébastien Villemot <sebast...@debian.org>
# Date 1519592678 0
# Sun Feb 25 21:04:38 2018 +0000
# Branch clisp-2.50
# Node ID 265f19e88db6733952e1d7734b3e841939791e64
# Parent 513fb57885af00f96a2385e2b1772ae35e205f23
Fix build and test failures on Linux/powerpc64le with gcc 7.3.0.
diff -r 513fb57885af -r 265f19e88db6 src/ChangeLog
--- a/src/ChangeLog Sun Feb 25 03:25:43 2018 +0100
+++ b/src/ChangeLog Sun Feb 25 21:04:38 2018 +0000
@@ -1,3 +1,9 @@
+2018-02-26 Sébastien Villemot <sebast...@debian.org>
+
+ Fix build and test failures on Linux/powerpc64le with gcc 7.3.0.
+ * makemake.in: Compile hashtabl.c and package.c with option -O1,
+ instead of -O2.
+
2018-02-24 Bruno Haible <br...@clisp.org>
Fix memory map related warnings on Alpine Linux 3.7/i386.
diff -r 513fb57885af -r 265f19e88db6 src/makemake.in
--- a/src/makemake.in Sun Feb 25 03:25:43 2018 +0100
+++ b/src/makemake.in Sun Feb 25 21:04:38 2018 +0000
@@ -3006,6 +3006,11 @@
# gcc-4.9.2 on Linux/s390x miscompiles lisparit.d when -O2 is used.
flags2=$flags2' -O1'
fi
+ if [ \( $f = hashtabl -o $f = package \) -a "$cpu" = powerpc64-elfv2 ] ; then
+ # gcc-7.3.0 on Linux/powerpc64le miscompiles hashtabl.d and package.d
+ # when -O2 is used.
+ flags2=$flags2' -O1'
+ fi
;;
esac
else
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