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Diffstat (limited to 'autoconf/configure.ac')
| -rw-r--r-- | autoconf/configure.ac | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index c5ac14999f..fdda3f9567 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -1250,6 +1250,10 @@ AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], [Define if dlopen() is available on this platform.]), AC_MSG_WARN([dlopen() not found - disabling plugin support])) +dnl clock_gettime() is required for modern timing support. +AC_SEARCH_LIBS(clock_gettime,rt,[], + AC_MSG_ERROR([clock_gettime not found and is required for modern POSIX timing uspport])) + dnl libffi is optional; used to call external functions from the interpreter if test "$llvm_cv_enable_libffi" = "yes" ; then AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], |