https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55821
--- Comment #9 from Sandra Loosemore <sandra at codesourcery dot com> --- Yes, that patch (with regenerated Makefile.in) did the trick. Thanks. config.log says my configure line is: $ /scratch/sandra/arm-fsf/src/gcc-mainline/libquadmath/configure --srcdir=/scr atch/sandra/arm-fsf/src/gcc-mainline/libquadmath --cache-file=./config.cache --e nable-multilib --with-cross-host=i686-pc-linux-gnu --enable-threads --disable-li bmudflap --disable-libstdcxx-pch --with-gnu-as --with-gnu-ld --enable-shared --e nable-lto --enable-symvers=gnu --enable-__cxa_atexit --with-glibc-version=2.19 - -disable-nls --prefix=/scratch/sandra/arm-fsf/install --with-sysroot=/scratch/sa ndra/arm-fsf/install/arm-none-linux-gnueabi/libc --with-host-libstdcxx=-static-l ibgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm --enable-libgomp --enable-libitm --ena ble-libatomic --disable-libssp --enable-poison-system-directories --with-build-t ime-tools=/scratch/sandra/arm-fsf/install/arm-none-linux-gnueabi/bin --enable-la nguages=c,c++,fortran,lto --program-transform-name=s&^&arm-none-linux-gnueabi-& --disable-option-checking --with-target-subdir=arm-none-linux-gnueabi --build=i6 86-pc-linux-gnu --host=arm-none-linux-gnueabi --target=arm-none-linux-gnueabi
