From cfab908fb0f4294013b2a86dd0f182859a15ef13 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se> Date: Wed, 22 Sep 2010 14:55:03 +0200 Subject: [PATCH] Check for clock_gettime, and add -lrt to BENCH_LIBS if needed. Rev: nettle/configure.ac:1.25 --- configure.ac | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/configure.ac b/configure.ac index 69d6f3e9..18510101 100644 --- a/configure.ac +++ b/configure.ac @@ -522,6 +522,19 @@ fi AC_SUBST(OPENSSL_LIBFLAGS) +# clock_gettime is in librt on *-*-osf5.1 and on glibc, so add -lrt to +# BENCH_LIBS if needed. On linux (tested on x86_32, 2.6.26), +# clock_getres reports ns accuracy, while in a quick test on osf +# clock_getres said only 1 millisecond. + +old_LIBS="$LIBS" +AC_SEARCH_LIBS(clock_gettime, rt, [ + AC_DEFINE([HAVE_CLOCK_GETTIME],1,[Define to 1 if you have the `clock_gettime' function])]) +BENCH_LIBS="$LIBS" +LIBS="$old_LIBS" + +AC_SUBST(BENCH_LIBS) + # Set these flags *last*, or else the test programs won't compile if test x$GCC = xyes ; then # Using -ggdb3 makes (some versions of) Redhat's gcc-2.96 dump core -- GitLab