GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. # Local configure fragment for sysdeps/x86_64. dnl Check if -mprefer-vector-width=128 works. AC_CACHE_CHECK(-mprefer-vector-width=128, libc_cv_cc_mprefer_vector_width, [dnl LIBC_TRY_CC_OPTION([-mprefer-vector-width=128], [libc_cv_cc_mprefer_vector_width=yes], [libc_cv_cc_mprefer_vector_width=no]) ]) LIBC_CONFIG_VAR([config-cflags-mprefer-vector-width], [$libc_cv_cc_mprefer_vector_width]) if test x"$build_mathvec" = xnotset; then build_mathvec=yes fi test -n "$critic_missing" && AC_MSG_ERROR([ *** $critic_missing])