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QUILT_PATCHES=debian/patches quilt --quiltrc /dev/null push -a || test $? = 2
Applying patch makefile.patch
patching file libs/Makefile

Now at patch makefile.patch
touch debian/stamp-patched
dh_testdir
/usr/bin/make -C libs/
make[1]: Entering directory `/build/buildd-zita-convolver_2.0.0-2-hppa-6tZVI8/zita-convolver-2.0.0/libs'
g++ -g -O2  -Wall -I. -fPIC -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -O3 -ffast-math -funroll-loops -march=native  -c -o zita-convolver.o zita-convolver.cc
cc1plus: error: unrecognized command line option "-march=native"
make[1]: *** [zita-convolver.o] Error 1
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
make[1]: Leaving directory `/build/buildd-zita-convolver_2.0.0-2-hppa-6tZVI8/zita-convolver-2.0.0/libs'