glibc needs -lrt to get clock_gettime()

Reported by csosstudy
2013-02-28 19:13:07 -08:00 · 2013-02-28 19:13:07 -08:00 · 37a1358b81
commit 37a1358b81
parent c6fa04725f
2 changed files with 3 additions and 1 deletions
--- a/configure.ac
+++ b/configure.ac
@ -153,6 +153,8 @@ AC_C_BIGENDIAN

 dnl Checks for functions and headers

+AC_CHECK_FUNC(clock_gettime, , [AC_CHECK_LIB(rt, clock_gettime)])
+
 AC_CHECK_FUNCS([SecureZeroMemory])

 dnl Switches.
--- a/src/curvecp/libcurvecp/nanoseconds.c
+++ b/src/curvecp/libcurvecp/nanoseconds.c
@ -7,7 +7,7 @@

 long long nanoseconds(void)
 {
-#ifdef CLOCK_REALTIME
+#if defined(CLOCK_REALTIME) && defined(HAVE_CLOCK_GETTIME)
  struct timespec t;
  if (clock_gettime(CLOCK_REALTIME,&t) != 0) return -1;
  return t.tv_sec * 1000000000LL + t.tv_nsec;