>>> Emerging (1 of 1) games-util/steam-launcher-1.0.0.54-r1::steam-overlay
>>> Downloading 'http://repo.steampowered.com/steam/pool/steam/s/steam/steam_1.0.0.54.tar.gz'
--2017-05-22 01:29:32--  http://repo.steampowered.com/steam/pool/steam/s/steam/steam_1.0.0.54.tar.gz
Resolving repo.steampowered.com... 181.192.63.74, 181.192.63.73
Connecting to repo.steampowered.com|181.192.63.74|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2750102 (2,6M) [application/x-gzip]
Saving to: ‘/usr/portage/distfiles/steam_1.0.0.54.tar.gz’

/usr/portage/distfi 100%[===================>]   2,62M  1,28MB/s    in 2,0s

2017-05-22 01:29:36 (1,28 MB/s) - ‘/usr/portage/distfiles/steam_1.0.0.54.tar.gz’ saved [2750102/2750102]

 * steam_1.0.0.54.tar.gz SHA256 SHA512 WHIRLPOOL size ;-) ...                                  [ ok ]
 * Determining the location of the kernel source code
 * Unable to find kernel sources at /usr/src/linux
 * Please make sure that /usr/src/linux points at your running kernel,
 * (or the kernel you wish to build against).
 * Alternatively, set the KERNEL_DIR environment variable to the kernel sources location
 * Unable to calculate Linux Kernel version for build, attempting to use running version
 * If you want to use the Steam controller, please make sure
 * CONFIG_INPUT_UINPUT is enabled in your kernel config.
>>> Unpacking source...
>>> Unpacking steam_1.0.0.54.tar.gz to /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/work
>>> Source unpacked in /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/work
>>> Preparing source in /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/work/steam ...
 * Applying steam-fix-ld-library-path.patch ...                                                [ ok ]
 * Applying steam-runtime-default.patch ...                                                    [ ok ]
 * Applying steam-set-distrib-release.patch ...                                                [ ok ]
 * Applying steam-fix-joystick-detection.patch ...                                             [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/work/steam ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/work/steam ...
>>> Source compiled.
>>> Test phase [not enabled]: games-util/steam-launcher-1.0.0.54-r1

>>> Install steam-launcher-1.0.0.54-r1 into /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/image/ category games-util
>>> Completed installing steam-launcher-1.0.0.54-r1 into /var/tmp/portage/games-util/steam-launcher-1.0.0.54-r1/image/

 * Final size of build directory: 2848 KiB
 * Final size of installed tree: 2836 KiB

ecompressdir: bzip2 -9 /usr/share/man
ecompressdir: bzip2 -9 /usr/share/doc

>>> Installing (1 of 1) games-util/steam-launcher-1.0.0.54-r1::steam-overlay
 * Updating .desktop files database ...                                                        [ ok ]
 * Updating icons cache ...
gtk-update-icon-cache: The generated cache was invalid.                                        [ !! ]
 * Failed to update cache with icon /usr/share/icons/Flat Remix
 * Running udev control --reload for reloading rules and databases ...                         [ ok ]
 * Execute /usr/bin/steam to download and install the actual
 * client into your home folder. After installation, the script
 * also starts the client from your home folder.
 *
 * You enabled the Steam runtime environment. Steam will use bundled
 * libraries instead of Gentoo's system libraries.
 *
 * The Steam client and the games are _not_ controlled by Portage.
 * Updates are handled by the client itself.

>>> Recording games-util/steam-launcher in "world" favorites file...

 * Messages for package games-util/steam-launcher-1.0.0.54-r1:

 * Unable to find kernel sources at /usr/src/linux
 * Unable to calculate Linux Kernel version for build, attempting to use running version
 * If you want to use the Steam controller, please make sure
 * CONFIG_INPUT_UINPUT is enabled in your kernel config.
 * Failed to update cache with icon /usr/share/icons/Flat Remix
 * Execute /usr/bin/steam to download and install the actual
 * client into your home folder. After installation, the script
 * also starts the client from your home folder.
 *
 * You enabled the Steam runtime environment. Steam will use bundled
 * libraries instead of Gentoo's system libraries.
 *
 * The Steam client and the games are _not_ controlled by Portage.
 * Updates are handled by the client itself.
>>> Auto-cleaning packages...

>>> No outdated packages were found on your system.

 * GNU info directory index is up-to-date.
cesar@gentoo ~ $ steam
Setting up Steam content in /home/cesar/.local/share/Steam
/home/cesar/.local/share/Steam/steam.sh: línea 154: VERSION_ID: variable sin asignar
/home/cesar/.local/share/Steam/steam.sh: línea 154: VERSION_ID: variable sin asignar
Running Steam on gentoo  64-bit
STEAM_RUNTIME is enabled by the user
Installing breakpad exception handler for appid(steam)/version(0)
libGL error: unable to load driver: radeonsi_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: radeonsi
libGL error: unable to load driver: radeonsi_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: radeonsi
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast