Bug 362595 – app-admin/collectd-4.10.3 - disk.c:429:6: error: variable 'major' set but not used [-Werror=unused-but-set-variable]

• Product: Gentoo Linux
• Status: RESOLVED FIXED

[Description Conrad Kostecki 2011-04-08 13:08:12 UTC]

Hi,
the build of app-admin/collectd-4.10.3 failed.

libtool: compile:  x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -DPREFIX=\"/usr\" -DCONFIGFILE=\"/etc/collectd.conf\" -DLOCALSTATEDIR=\"/var\" -DPKGLOCALSTATEDIR=\"/var/lib/collectd\" -DPIDFILE=\"/var/run/collectd.pid\" -DPLUGINDIR=\"/usr/lib64/collectd\" -DPKGDATADIR=\"/usr/share/collectd\" -Wall -Werror -march=core2 -O3 -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mcx16 -msahf -pipe -fomit-frame-pointer -mfpmath=sse -MT utils_dns.lo -MD -MP -MF .deps/utils_dns.Tpo -c utils_dns.c  -fPIC -DPIC -o .libs/utils_dns.o
disk.c: In function 'disk_read':
disk.c:429:6: error: variable 'major' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

make[3]: *** [disk_la-disk.lo] Error 1
make[3]: *** Waiting for unfinished jobs....
mv -f .deps/conntrack.Tpo .deps/conntrack.Plo
mv -f .deps/cpufreq.Tpo .deps/cpufreq.Plo
utils_dns.c: In function 'handle_ipv6':
utils_dns.c:435:21: error: variable 'd_addr' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

make[3]: *** [utils_dns.lo] Error 1
mv -f .deps/cpu_la-cpu.Tpo .deps/cpu_la-cpu.Plo
mv -f .deps/df.Tpo .deps/df.Plo
mv -f .deps/dns.Tpo .deps/dns.Plo
mv -f .deps/utils_mount.Tpo .deps/utils_mount.Plo
mv -f .deps/apache_la-apache.Tpo .deps/apache_la-apache.Plo
make[3]: Leaving directory `/var/tmp/portage/app-admin/collectd-4.10.3/work/collectd-4.10.3/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/tmp/portage/app-admin/collectd-4.10.3/work/collectd-4.10.3/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/var/tmp/portage/app-admin/collectd-4.10.3/work/collectd-4.10.3/src'
make: *** [all-recursive] Error 1
emake failed
 * ERROR: app-admin/collectd-4.10.3 failed (compile phase):
 *   Compilation failed


Reproducible: Always

[Comment 1 Conrad Kostecki 2011-04-08 13:08:43 UTC]

Portage 2.1.9.45 (default/linux/amd64/10.0/server, gcc-4.6.0, glibc-2.13-r2, 2.6.38-gentoo x86_64)
=================================================================
System uname: Linux-2.6.38-gentoo-x86_64-Intel-R-_Core-TM-_i7_CPU_920_@_2.67GHz-with-gentoo-2.0.2
Timestamp of tree: Fri, 08 Apr 2011 09:15:01 +0000
ccache version 3.1.4 [enabled]
app-shells/bash:     4.2_p8
dev-java/java-config: 2.1.11-r3
dev-lang/python:     2.7.1-r1, 3.1.3-r1
dev-util/ccache:     3.1.4
dev-util/cmake:      2.8.1-r2
sys-apps/baselayout: 2.0.2
sys-apps/openrc:     0.8.0
sys-apps/sandbox:    2.5
sys-devel/autoconf:  2.68
sys-devel/automake:  1.10.3, 1.11.1
sys-devel/binutils:  2.21
sys-devel/gcc:       4.6.0
sys-devel/gcc-config: 1.4.1
sys-devel/libtool:   2.4-r1
sys-devel/make:      3.82
virtual/os-headers:  2.6.38 (sys-kernel/linux-headers)
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA dlj-1.1"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -O3 -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mcx16 -msahf -pipe -fomit-frame-pointer -mfpmath=sse"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /opt/openfire/resources/security/ /usr/share/gnupg/qualified.txt /usr/share/openvpn/easy-rsa"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.3/ext-active/ /etc/php/cgi-php5.3/ext-active/ /etc/php/cli-php5.3/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=core2 -O3 -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mcx16 -msahf -pipe -fomit-frame-pointer -mfpmath=sse"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS=""
FEATURES="assume-digests binpkg-logs ccache distlocks fixlafiles fixpackages news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="de_DE.UTF-8"
LC_ALL="de_DE.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--sort-common -Wl,-z,now"
LINGUAS="de"
MAKEOPTS="-j9"
PKGDIR="/usr/portage/packages"
PORTAGE_COMPRESS="gzip"
PORTAGE_COMPRESS_FLAGS="-f9"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.de.gentoo.org/gentoo-portage"
USE="amd64 apache2 bash-completion berkdb bzip2 contrib cracklib crypt cxx dbus encode gd geoip gnutls iconv idn imap ipv6 javascript jpeg lzo maildir mmx multilib mysql mysqli ncurses nls nptl offensive ogg pam png readline sasl session simplexml slang smp sockets speex spell sqlite sse sse2 ssl suid svg symlink tcpd theora threads tokenizer truetype unicode vim-syntax xml zlib" APACHE2_MODULES="alias auth_basic authn_file authz_host authz_user autoindex cache cgi cgid deflate dir disk_cache filter include info log_config logio mime mime_magic mem_cache negotiation rewrite status unique_id vhost_alias" APACHE2_MPMS="worker" COLLECTD_PLUGINS="apache conntrack cpu cpufreq df disk dns hddtemp interface iptables irq load memory netlink ping processes rrdtool sensors swap tcpconns thermal uptime users" ELIBC="glibc" KERNEL="linux" LINGUAS="de" PHP_TARGETS="php5-3" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" USERLAND="GNU" VIDEO_CARDS="nv" 
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_RSYNC_EXTRA_OPTS

[Comment 2 Jeroen Roovers (RETIRED) 2011-04-11 01:03:14 UTC]

Please attach a complete build log created after cleaning up your CFLAGS.

[Comment 3 Conrad Kostecki 2011-04-11 06:54:12 UTC]

Created attachment 269445 [details]
build.log

Hi,
is this fine?
CFLAGS="-march=core2 -O2 -msse4.1 -msse4.2 -mcx16 -msahf -pipe -fomit-frame-pointer -mfpmath=sse" emerge -av collectd

[Comment 4 Andreas K. Hüttel 2011-04-24 21:16:51 UTC]

"Fixed" by removing -Werror