* abi_x86_64.amd64: copying to /var/tmp/portage/media-libs/rubberband-1.8.1-r1/work/rubberband-1.8.1-abi_x86_64.amd64
 * abi_x86_64.amd64: running multilib-minimal_abi_src_configure
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64
checking for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether x86_64-pc-linux-gnu-g++ accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking whether byte ordering is bigendian... no
checking for x86_64-pc-linux-gnu-pkg-config... /usr/bin/x86_64-pc-linux-gnu-pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for SRC... yes
checking for SNDFILE... yes
checking for FFTW... yes
checking ladspa.h usability... yes
checking ladspa.h presence... yes
checking for ladspa.h... yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking for Vamp... yes
configure: creating ./config.status
config.status: creating Makefile
 * abi_x86_64.amd64: running multilib-minimal_abi_src_compile
make --jobs=3 --load-average=2 
mkdir bin
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/rubberband-c.o src/rubberband-c.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/RubberBandStretcher.o src/RubberBandStretcher.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/StretcherProcess.o src/StretcherProcess.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/StretchCalculator.o src/StretchCalculator.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/base/Profiler.o src/base/Profiler.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/dsp/AudioCurveCalculator.o src/dsp/AudioCurveCalculator.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/CompoundAudioCurve.o src/audiocurves/CompoundAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/SpectralDifferenceAudioCurve.o src/audiocurves/SpectralDifferenceAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/HighFrequencyAudioCurve.o src/audiocurves/HighFrequencyAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/SilentAudioCurve.o src/audiocurves/SilentAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/ConstantAudioCurve.o src/audiocurves/ConstantAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/audiocurves/PercussiveAudioCurve.o src/audiocurves/PercussiveAudioCurve.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/dsp/Resampler.o src/dsp/Resampler.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/dsp/FFT.o src/dsp/FFT.cpp
src/dsp/FFT.cpp: In destructor 'virtual RubberBand::FFTs::D_FFTW::~D_FFTW()':
src/dsp/FFT.cpp:1571:18: warning: variable 'save' set but not used [-Wunused-but-set-variable]
             bool save = false;
                  ^
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/system/Allocators.o src/system/Allocators.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/system/sysutils.o src/system/sysutils.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/system/Thread.o src/system/Thread.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/StretcherChannelData.o src/StretcherChannelData.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o src/StretcherImpl.o src/StretcherImpl.cpp
src/StretcherImpl.cpp: In member function 'void RubberBand::RubberBandStretcher::Impl::calculateStretch()':
src/StretcherImpl.cpp:1121:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < m_phaseResetDf.size(); ++i) prdm += m_phaseResetDf[i];
                           ^
src/StretcherImpl.cpp:1125:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < m_stretchDf.size(); ++i) sdm += m_stretchDf[i];
                           ^
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o main/main.o main/main.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o vamp/RubberBandVampPlugin.o vamp/RubberBandVampPlugin.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o vamp/libmain.o vamp/libmain.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o ladspa/RubberBandPitchShifter.o ladspa/RubberBandPitchShifter.cpp
x86_64-pc-linux-gnu-g++ -DHAVE_LIBSAMPLERATE -DHAVE_FFTW3 -DFFTW_DOUBLE_ONLY -DNO_THREAD_CHECKS -DUSE_PTHREADS -DNO_TIMING -DNDEBUG -O2 -pipe -frecord-gcc-switches -fPIC -Wall     -Irubberband -I. -Isrc    -c -o ladspa/libmain.o ladspa/libmain.cpp
x86_64-pc-linux-gnu-g++ -o bin/rubberband src/rubberband-c.o src/RubberBandStretcher.o src/StretcherProcess.o src/StretchCalculator.o src/base/Profiler.o src/dsp/AudioCurveCalculator.o src/audiocurves/CompoundAudioCurve.o src/audiocurves/SpectralDifferenceAudioCurve.o src/audiocurves/HighFrequencyAudioCurve.o src/audiocurves/SilentAudioCurve.o src/audiocurves/ConstantAudioCurve.o src/audiocurves/PercussiveAudioCurve.o src/dsp/Resampler.o src/dsp/FFT.o src/system/Allocators.o src/system/sysutils.o src/system/Thread.o src/StretcherChannelData.o src/StretcherImpl.o main/main.o -lsndfile -lsamplerate -lfftw3  -Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed -lpthread -Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed
x86_64-pc-linux-gnu-g++ -shared -Wl,-Bsymbolic -Wl,-soname=librubberband.so.2 src/rubberband-c.o src/RubberBandStretcher.o src/StretcherProcess.o src/StretchCalculator.o src/base/Profiler.o src/dsp/AudioCurveCalculator.o src/audiocurves/CompoundAudioCurve.o src/audiocurves/SpectralDifferenceAudioCurve.o src/audiocurves/HighFrequencyAudioCurve.o src/audiocurves/SilentAudioCurve.o src/audiocurves/ConstantAudioCurve.o src/audiocurves/PercussiveAudioCurve.o src/dsp/Resampler.o src/dsp/FFT.o src/system/Allocators.o src/system/sysutils.o src/system/Thread.o src/StretcherChannelData.o src/StretcherImpl.o -o lib/librubberband.so -lsamplerate -lfftw3  -Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed -lpthread -Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed
/usr/lib/gcc/x86_64-pc-linux-gnu/5.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot open output file lib/librubberband.so: No such file or directory
collect2: error: ld returned 1 exit status
make: *** [Makefile:127: lib/librubberband.so] Error 1
 * ERROR: media-libs/rubberband-1.8.1-r1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=media-libs/rubberband-1.8.1-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-libs/rubberband-1.8.1-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-libs/rubberband-1.8.1-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-libs/rubberband-1.8.1-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-libs/rubberband-1.8.1-r1/work/rubberband-1.8.1-abi_x86_64.amd64'
 * S: '/var/tmp/portage/media-libs/rubberband-1.8.1-r1/work/rubberband-1.8.1'