X-Git-Url: https://git.distorted.org.uk/~mdw/mLib/blobdiff_plain/6b210fdf04f67df393b5a0cd1222136b36c2eda7..e8d9f0df0cdb7f0af118665aacc36ed5036b10d4:/configure.ac

diff --git a/configure.ac b/configure.ac
index 60f82b9..d144ebf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,6 +58,7 @@ AC_CHECK_HEADERS([stdint.h])
 
 dnl Libraries.
 mdw_ORIG_LIBS=$LIBS LIBS=$MLIB_LIBS
+AC_SEARCH_LIBS([sqrt], [m])
 AC_SEARCH_LIBS([socket], [socket])
 AC_SEARCH_LIBS([gethostbyname], [nsl resolv])
 MLIB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
@@ -121,6 +122,19 @@ esac
 AM_CONDITIONAL([WITH_ADNS], [test "$use_adns" = yes])
 
 dnl--------------------------------------------------------------------------
+dnl Timers.
+
+AC_CHECK_HEADERS([linux/perf_event.h])
+
+mdw_ORIG_LIBS=$LIBS LIBS=$MLIB_LIBS
+AC_SEARCH_LIBS([clock_gettime], [rt])
+MLIB_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
+
+dnl--------------------------------------------------------------------------
 dnl Python (used for testing).
 
 AM_PATH_PYTHON([2.4],, [:])