>>> pifmrds 0bf57f9ce0d954365a38d8af8e7be6f28521c3f2 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-3/dl/pifmrds/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-3/output-1/build/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2   -xf -
>>> pifmrds 0bf57f9ce0d954365a38d8af8e7be6f28521c3f2 Patching

Applying 0001-Makefile-cross-compile-friendly.patch using patch: 
patching file src/Makefile

Applying 0002-Makefile-use-LDFLAGS.patch using patch: 
patching file src/Makefile

Applying 0003-Makefile-fix-static-link.patch using patch: 
patching file src/Makefile
>>> pifmrds 0bf57f9ce0d954365a38d8af8e7be6f28521c3f2 Configuring
>>> pifmrds 0bf57f9ce0d954365a38d8af8e7be6f28521c3f2 Building
PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" /usr/bin/make -j4 -C /home/buildroot/autobuild/run/instance-3/output-1/build/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2/src CC="/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc" LDFLAGS="" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c" SNDFILE_LIBS="`/home/buildroot/autobuild/run/instance-3/output-1/host/bin/pkg-config --libs sndfile`" app rds_wav
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2/src'
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c rds.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c waveforms.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c pi_fm_rds.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c fm_mpx.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c control_pipe.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  -D_FORTIFY_SOURCE=1 -std=gnu99 -ffast-math -c rds_wav.c
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc  -o rds_wav rds_wav.o rds.o waveforms.o fm_mpx.o -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../arm-buildroot-linux-gnueabihf/sysroot/usr/lib -lsndfile 
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc  -o pi_fm_rds rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../arm-buildroot-linux-gnueabihf/sysroot/usr/lib -lsndfile 
/home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-linux-gnueabihf/7.3.1/../../../../arm-linux-gnueabihf/bin/ld: fm_mpx.o: undefined reference to symbol 'cos@@GLIBC_2.4'
/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabihf/sysroot/lib/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[1]: *** [rds_wav] Error 1
make[1]: *** Waiting for unfinished jobs....
/home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-linux-gnueabihf/7.3.1/../../../../arm-linux-gnueabihf/bin/ld: fm_mpx.o: undefined reference to symbol 'cos@@GLIBC_2.4'
/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabihf/sysroot/lib/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[1]: *** [app] Error 1
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2/src'
make: *** [/home/buildroot/autobuild/run/instance-3/output-1/build/pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2/.stamp_built] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-3/buildroot'