| GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. |
| |
| # GNU libc on the Hurd is always reentrant. |
| DEFINES="$DEFINES -D_LIBC_REENTRANT" |
| |
| dnl We need this setting because of the need for PLT calls in ld.so. |
| AC_DEFINE([NO_HIDDEN]) |
| |
| # Don't bother trying to generate any glue code to be compatible with the |
| # existing system library, because we are the only system library. |
| inhibit_glue=yes |
| |
| if test "x$prefix" != x; then |
| AC_MSG_WARN([--prefix= (empty) is required for GNU/Hurd to work normally]) |
| fi |
| |
| case "$machine" in |
| i386*) |
| # The default oldest ABI is 2.2.6. |
| # We only need a "yes" here if the oldest ABI supported will be < 2.2.6. |
| if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then |
| libc_cv_gcc_unwind_find_fde=yes |
| fi |
| ;; |
| esac |
| |
| AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl |
| AC_TRY_COMPILE(dnl |
| [#include <hurd/version.h>], [ |
| #define NEED_VERSION 20020609 |
| #if HURD_INTERFACE_VERSION < NEED_VERSION |
| # error Hurd version too old: HURD_INTERFACE_VERSION < NEED_VERSION |
| #endif], |
| libc_cv_hurd_version=ok, |
| libc_cv_hurd_version=bad)]) |
| if test "x$libc_cv_hurd_version" != xok; then |
| AC_MSG_ERROR(Hurd headers not installed or too old) |
| fi |
