CFLAGS="-march=native -O2 -pipe" CXXFLAGS="-march=native -O2 -pipe" emerge =media-gfx/mypaint-1.1.0-r1

 * IMPORTANT: 1 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.

Calculating dependencies... done!

>>> Verifying ebuild manifests

>>> Emerging (1 of 1) media-gfx/mypaint-1.1.0-r1
 * mypaint-1.1.0.tar.bz2 SHA256 SHA512 WHIRLPOOL size ;-) ...                                                                                                                                                                           [ ok ]
>>> Unpacking source...
>>> Unpacking mypaint-1.1.0.tar.bz2 to /var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work
>>> Source unpacked in /var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work
>>> Preparing source in /var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0 ...
 * Applying mypaint-1.1.0-build-env-vars.patch ...                                                                                                                                                                                      [ ok ]
 * Applying mypaint-1.1.0-desktop.patch ...                                                                                                                                                                                             [ ok ]
 * Applying mypaint-1.1.0-json-c-0.11.patch ...                                                                                                                                                                                         [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0 ...
scons -j3
scons: Reading SConscript files ...
Gentoo: /etc/gentoo-release exists. Must be on a Gentoo based system.
building for 'python2.7' (use scons python_binary=xxx to change)
using 'python-config-2.7' (use scons python_config=xxx to change)
rm -f libmypaint-tests.so libmypaint.so libmypaintlib.so
python2.7 generate.py
Writing mypaint-brush-settings-gen.h
Writing brushsettings-gen.h
swig -o mypaintlib_wrap.cpp -noproxydel -python -c++ mypaintlib.i
rm -f _mypaintlib.so
set umask to 0022 (was 0022)
scons: done reading SConscript files.
scons: Building targets ...
Creating 'brushlib/mypaint-config.h'
x86_64-pc-linux-gnu-gcc -o brushlib/fifo.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/fifo.c
x86_64-pc-linux-gnu-gcc -o brushlib/mypaint.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/mypaint.c
x86_64-pc-linux-gnu-gcc -o brushlib/helpers.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/helpers.c
x86_64-pc-linux-gnu-gcc -o brushlib/brushmodes.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/brushmodes.c
x86_64-pc-linux-gnu-gcc -o brushlib/mypaint-brush-settings.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/mypaint-brush-settings.c
x86_64-pc-linux-gnu-g++ -o lib/mypaintlib_wrap.os -c -march=native -O2 -pipe -Wall -Wno-sign-compare -Wno-write-strings -march=native -Wall -O3 -g -pthread -fno-strict-aliasing -march=core2 -O2 -pipe -mfpmath=both -msse -msse2 -msse3 -mmmx -mcx16 -msahf -msse4.1 --param -mtune=core2 -g0 -fwrapv -Xlinker -export-dynamic -fPIC -Ilib -I/usr/include/json-c -Ibrushlib -Ibrushlib/tests -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/libpng16 -I/usr/include/gtk-2.0 -I/usr/lib64/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/pygtk-2.0 -I/usr/lib64/python2.7/site-packages/numpy/core/include -I/usr/include/python2.7 lib/mypaintlib_wrap.cpp
x86_64-pc-linux-gnu-gcc -o brushlib/mypaint-tiled-surface.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/mypaint-tiled-surface.c
cc1plus: error: invalid --param value ‘core2’
x86_64-pc-linux-gnu-gcc -o brushlib/mypaint-surface.os -c -std=c99 -D_POSIX_C_SOURCE=200809L -march=native -O2 -pipe -Wall -O3 -g -fPIC -Ibrushlib -I/usr/include/json-c brushlib/mypaint-surface.c
scons: *** [lib/mypaintlib_wrap.os] Error 1
brushlib/mypaint-tiled-surface.c: In function ‘mypaint_tiled_surface_end_atomic’:
brushlib/mypaint-tiled-surface.c:73:0: warning: ignoring #pragma omp parallel [-Wunknown-pragmas]
     #pragma omp parallel for schedule(static) if(self->threadsafe_tile_requests && tiles_n > 3)
 ^
brushlib/mypaint-tiled-surface.c: In function ‘get_color’:
brushlib/mypaint-tiled-surface.c:469:0: warning: ignoring #pragma omp parallel [-Wunknown-pragmas]
     #pragma omp parallel for schedule(static) if(self->threadsafe_tile_requests && tiles_n > 3)
 ^
brushlib/mypaint-tiled-surface.c:498:0: warning: ignoring #pragma omp critical [-Wunknown-pragmas]
         #pragma omp critical
 ^
brushlib/mypaint-tiled-surface.c:467:9: warning: unused variable ‘tiles_n’ [-Wunused-variable]
     int tiles_n = (tx2 - tx1) * (ty2 - ty1);
         ^
scons: building terminated because of errors.
 * ERROR: media-gfx/mypaint-1.1.0-r1::gentoo failed (compile phase):
 *   escons failed.
 *
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 4921:  Called escons
 *   environment, line 1406:  Called die
 * The specific snippet of code:
 *       [[ ${ret} -ne 0 ]] && has "${EAPI:-0}" 4 5 && die "escons failed.";
 *
 * If you need support, post the output of `emerge --info '=media-gfx/mypaint-1.1.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/mypaint-1.1.0-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0'
 * S: '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0'

>>> Failed to emerge media-gfx/mypaint-1.1.0-r1, Log file:

>>>  '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/temp/build.log'

 * Messages for package media-gfx/mypaint-1.1.0-r1:

 * ERROR: media-gfx/mypaint-1.1.0-r1::gentoo failed (compile phase):
 *   escons failed.
 *
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 4921:  Called escons
 *   environment, line 1406:  Called die
 * The specific snippet of code:
 *       [[ ${ret} -ne 0 ]] && has "${EAPI:-0}" 4 5 && die "escons failed.";
 *
 * If you need support, post the output of `emerge --info '=media-gfx/mypaint-1.1.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/mypaint-1.1.0-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0'
 * S: '/var/tmp/portage/media-gfx/mypaint-1.1.0-r1/work/mypaint-1.1.0'