Re: [gentoo-user] bloated by gcc

[Jorge Almeida <jjalmeida@gmail.com>]

On Mon, Sep 29, 2014 at 4:15 PM, Walter Dnes <waltdnes@waltdnes.org> wrote:
> On Mon, Sep 29, 2014 at 12:45:44PM +0100, Jorge Almeida wrote
>
>
>   Grasping at straws now.  What are your CFLAGS and full USE flags?  I
> suggest running the command...
>
> emerge --info | grep "^\(CFLAGS\|USE\)"
>
>   This captures default USE flags that aren't explicitly listed in your
> make.conf.  Out of sheer curiusity, what sizes do you get if you use
> "-O2"?  I believe that turns off loop-unrolling.
>
No difference with -O2. The program I'm using (as test) is really
simple (a terminal wall clock), although the same problem happens with
other programs.

Are the USE flags relevant for a program that is orthogonal to emerge?
Anyway, here it goes:

#  emerge --info | grep "^\(CFLAGS\|USE\)"
CFLAGS="-O2 -march=native -pipe -fomit-frame-pointer"
USE="berkdb bindist bzip2 cli cracklib crypt cxx dri fortran gdbm gpm
iconv modules ncurses nptl openmp pcre readline session ssl unicode
x86 zlib" ABI_X86="32" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem
bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968
fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx
via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core
socache_shmcb unixd actions alias auth_basic authn_alias authn_anon
authn_dbm authn_default authn_file authz_dbm authz_default
authz_groupfile authz_host authz_owner authz_user autoindex cache cgi
cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter
file_cache filter headers include info log_config logio mem_cache mime
mime_magic negotiation rewrite setenvif speling status unique_id
userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan
sheets stage tables krita karbon braindump author" CAMERAS="ptp2"
COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"
ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18
garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver
oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip
tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-32"
INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux"
LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb
ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console
presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice"
PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7"
PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby20"
USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga nouveau nv
r128 radeon savage sis tdfx trident vesa via vmware dummy v4l"
XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset
ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat
logmark ipmark dhcpmac delude chaos account"

gcc has CFLAGS="-O2 -march=i686 -pipe", via /etc/portage/env

thanks

Jorge