https://sourceware.org/bugzilla/show_bug.cgi?id=23914
Bug ID: 23914
Summary: Add --disable-werror to ./configure support (example
trigger: CFLAGS=-Og
Product: elfutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: general
Assignee: unassigned at sourceware dot org
Reporter: slyfox at inbox dot ru
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
Initially I attempted to reproduce https://bugs.gentoo.org/671650 on vanilla
master on elfutils as:
$ autoreconf -i -f && ./configure --disable-maintainer-mode CFLAGS=-Og &&
make && make check
The problem is in unconditional -Werror addition in
config/eu.am: $(if $($(*F)_no_Werror),,-Werror) \
May I ask to add --disable-werror support to ./configure? That way elfutils
will be less dependent on exact toolchain version and compiler flags
(specifically warning flags).
Example failure:
dwarf_child.c: In function '__libdw_find_attr':
dwarf_child.c:99:10: error: 'readp' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
readp += len;
^~
Today Gentoo crudely works it around by sed'ing out -Werror at build time:
https://gitweb.gentoo.org/repo/gentoo.git/tree/dev-libs/elfutils/elfutils-0.175.ebuild#n34
sed -i 's:-Werror::' */Makefile.in || die
Thanks!
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