X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/70221324f0971ccf4ac4017da5e34297b1e2af65..8039afaf2c8b0a9bb3359206719859b0da53ea7c:/configure.ac

diff --git a/configure.ac b/configure.ac
index c9107c5b..3c8cb375 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,6 +224,13 @@ AC_SUBST([limits])
 dnl Functions used for noise-gathering.
 AC_CHECK_FUNCS([setgroups])
 AC_CHECK_HEADERS([linux/random.h])
+mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
+AC_SEARCH_LIBS([clock_gettime], [rt])
+CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
+if test $ac_cv_search_clock_gettime != no; then
+  AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
+	    [Define if you have the \`clock_gettime' function.])
+fi
 AC_CHECK_FUNCS([getentropy])
 AC_CACHE_CHECK([whether the freewheel noise generator will work],
 	[catacomb_cv_freewheel],