GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. dnl We need this setting because of the need for PLT calls in ld.so. AC_DEFINE([NO_HIDDEN]) AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl AC_TRY_COMPILE(dnl [#include ], [ #define NEED_VERSION 20020609 #if HURD_INTERFACE_VERSION < NEED_VERSION # error Hurd version too old: HURD_INTERFACE_VERSION < NEED_VERSION #endif], libc_cv_hurd_version=ok, libc_cv_hurd_version=bad)]) if test "x$libc_cv_hurd_version" != xok; then AC_MSG_ERROR(Hurd headers not installed or too old) fi