These toolchains are very old and cause a number of autobuilder failures that doesn't happen with more recent toolchains: Fixes (glibc 2.18 does not provide O_TMPFILE): http://autobuild.buildroot.net/results/c49e8361a1d4406eefd8fc1b35c8e5b061aa403b Fixes (x86 toolchain built without libquadmath): http://autobuild.buildroot.net/results/2d9724f169ccd60c7feb1cb549f1e2e1e9219ac3/ Use Codesourcery ARM toolchain (GCC 4.8.3) to provide a test with a old GCC version. Signed-off-by: Peter Korsgaard <peter@korsgaard.com>