https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80677
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- On Mon, 8 May 2017, helmut at subdivi dot de wrote: > False negatives: Debian is about to further multiarch. That involves moving > libc headers from /usr/include to /usr/include/$(DEB_HOST_MULTIARCH) as libc > headers can differ for different libc implementations (glibc/musl/uclibc). > Thus > the test will wrongly fail even for libcs that provide a limits.h. Well, if headers move then configure (and related) tests that look at them will need updating. See how gcc/configure.ac looks in $target_header_dir to identify the glibc version and various other configuration, for example.
