[Debian-med-packaging] Bug#873429: flexbar builds with -march=native

[Adrian Bunk]

Source: flexbar
Version: 1:3.0.3-1
Severity: serious

FTBFS on ppc64el, but also wrong everywhere else:

https://buildd.debian.org/status/fetch.php?pkg=flexbar&arch=ppc64el&ver=1%3A3.0.3-1&stamp=1503789051&raw=0

...
cd /<<PKGBUILDDIR>>/obj-powerpc64le-linux-gnu/src && /usr/bin/c++  -DSEQAN_HAS_BZIP2=1 -DSEQAN_HAS_ZLIB=1 -I/<<PKGBUILDDIR>>/include  -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++14 -march=native   -o CMakeFiles/flexbar.dir/Flexbar.cpp.o -c /<<PKGBUILDDIR>>/src/Flexbar.cpp
c++: error: unrecognized command line option '-march=native'; did you mean '-mcpu=native'?
src/CMakeFiles/flexbar.dir/build.make:65: recipe for target 'src/CMakeFiles/flexbar.dir/Flexbar.cpp.o' failed
make[3]: *** [src/CMakeFiles/flexbar.dir/Flexbar.cpp.o] Error 1