Handle clock_gettime() in librt

diff --git a/configure.ac b/configure.ac
index 121ec56a03f480073f9880416001ae440d2d69be..682a1d033b571edda9248753d5e8139c572cab60 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -47,6 +47,7 @@ AC_CHECK_HEADERS([google/protobuf-c/protobuf-c.h], [], [AC_MSG_ERROR([could not
 AC_CHECK_LIB([protobuf-c], [protobuf_c_data_buffer_init], [], [AC_MSG_ERROR([could not find protobuf-c library])])
 AC_CHECK_HEADERS([libconfig.h], [], [AC_MSG_ERROR([could not find libconfig.h])])
 AC_CHECK_LIB([config], [config_init], [], [AC_MSG_ERROR([could not find libconfig])])
+AC_CHECK_FUNC([clock_gettime], [], [AC_CHECK_LIB([rt], [clock_gettime], [], [AC_MSG_ERROR([could not find clock_gettime() in librt])])])
 AS_IF([test "x$with_ssl" = xpolarssl], [
        AC_CHECK_HEADERS([polarssl/ssl.h], [], [AC_MSG_ERROR([could not find polarssl/ssl.h])])
        AC_CHECK_HEADERS([polarssl/version.h], [], [AC_MSG_ERROR([could not find polarssl/version.h])])
@@ -84,7 +85,7 @@ AC_TYPE_UINT64_T
 AC_TYPE_UINT8_T
 
 # Checks for library functions.
-AC_CHECK_FUNCS([ftruncate gettimeofday inet_ntoa memchr memmove memset socket strdup strerror strrchr uname poll clock_gettime], [], [AC_MSG_ERROR([missing a required func])])
+AC_CHECK_FUNCS([ftruncate gettimeofday inet_ntoa memchr memmove memset socket strdup strerror strrchr uname poll], [], [AC_MSG_ERROR([missing a required func])])
 
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT