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# xnanosleep.m4 serial 1
dnl Copyright (C) 2005 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Written by Paul Eggert.
AC_DEFUN([gl_XNANOSLEEP],
[
AC_LIBSOURCES([xnanosleep.c, xnanosleep.h])
AC_LIBOBJ([xnanosleep])
dnl Prerequisites of lib/xnanosleep.c.
AC_REQUIRE([gl_PREREQ_GETHRXTIME])
LIB_XNANOSLEEP=
case $LIB_GETHRXTIME in
?*)
AC_CACHE_CHECK([whether __linux__ is defined],
gl_cv_have___linux__,
[AC_EGREP_CPP([have___linux__],
[
# ifdef __linux__
have___linux__
# endif
],
gl_cv_have___linux__=yes,
gl_cv_have___linux__=no)])
if test $gl_cv_have___linux__ = yes; then
LIB_XNANOSLEEP=$LIB_GETHRXTIME
fi;;
esac
AC_SUBST([LIB_XNANOSLEEP])
])
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