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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.
dnl See Roland's comment in
dnl https://sourceware.org/bugzilla/show_bug.cgi?id=15605
AC_DEFINE([NO_RTLD_HIDDEN])
if test -n "$sysheaders"; then
OLD_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $SYSINCLUDES"
fi
AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl
AC_TRY_COMPILE(dnl
[#include <hurd/version.h>], [
#define NEED_VERSION 20020609
#if HURD_INTERFACE_VERSION < NEED_VERSION
# error Hurd version too old: HURD_INTERFACE_VERSION < NEED_VERSION
#endif],
libc_cv_hurd_version=ok,
libc_cv_hurd_version=bad)])
if test "x$libc_cv_hurd_version" != xok; then
AC_MSG_ERROR(Hurd headers not installed or too old)
fi
if test -n "$sysheaders"; then
CPPFLAGS=$OLD_CPPFLAGS
fi
dnl ifunc does not work yet for static binaries
dnl https://www.gnu.org/software/hurd/open_issues/ifunc.html
libc_cv_ld_gnu_indirect_function=no
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