scons uses weird options causing compilation fail:
> -OPT:Olimit=0
and
> -march=core2 -O2 -fplugin=/usr/lib64/llvm/dragonegg.so
Second line is probably from /etc/portage/make.conf, but even after
commenting line with variable CFLAGS, these options are added.
The first one causes error:
> cc1plus: error: argument to ‘-O’ should be a non-negative integer
And the second:
> cc1plus: error: cannot load plugin /usr/lib64/llvm/dragonegg.so
> /usr/lib64/llvm/dragonegg.so: undefined symbol: tree_map_base_marked_p
What can be problem and how to fix it?
I'm using Gentoo with clang and
> CFLAGS="-march=core2 -O2 -fplugin=/usr/lib64/llvm/dragonegg.so"
> CXXFLAGS="${CFLAGS}"
in /etc/portage/make.conf
==== SCONS ==== $ scons --debug=presub
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)
Building with action:
rm -f libmypaint-tests.so libmypaint.so libmypaintlib.so
rm -f libmypaint-tests.so libmypaint.so libmypaintlib.so
Enabling i18n for brushlib in full application build
Building with action:
swig -Wall -o mypaintlib_wrap.cpp -noproxydel -python -c++ mypaintlib.i
swig -Wall -o mypaintlib_wrap.cpp -noproxydel -python -c++ mypaintlib.i
Building with action:
rm -f _mypaintlib.so
rm -f _mypaintlib.so
set umask to 0022 (was 0022)
scons: done reading SConscript files.
scons: Building targets ...
Building lib/mypaintlib_wrap.os with action:
$SHCXX -o $TARGET -c $SHCXXFLAGS $SHCCFLAGS $_CCCOMCOM $SOURCES
g++ -o lib/mypaintlib_wrap.os -c -Wall -Wno-sign-compare
-Wno-write-strings -Wall -O3 -g -pthread -fno-strict-aliasing
-OPT:Olimit=0 -march=core2 -O2 -fplugin=/usr/lib64/llvm/dragonegg.so
-fwrapv -Xlinker -export-dynamic -fPIC -DHAVE_GETTEXT -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/libpng15 -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/libdrm -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
cc1plus: error: argument to ‘-O’ should be a non-negative integer
cc1plus: error: cannot load plugin /usr/lib64/llvm/dragonegg.so
/usr/lib64/llvm/dragonegg.so: undefined symbol: tree_map_base_marked_p
scons: *** [lib/mypaintlib_wrap.os] Error 1
scons: building terminated because of errors.
==== SCONS ====
--
Daniel "Tracerneo" Ziółkowski
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