From 8be0fb5f7bbd9148b6c49e5b498742248b0eb18a Mon Sep 17 00:00:00 2001 From: Olof Johansson Date: Wed, 10 Feb 2016 10:39:50 +0100 Subject: [PATCH] Fix: configure.ac: check for possibly required libs for clock_gettime On some platforms, you have to link with rt to get clock_gettime. This solves errors like: undefined reference to `clock_gettime' Fixes: #996 Signed-off-by: Olof Johansson Signed-off-by: Mathieu Desnoyers --- configure.ac | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 71a7d71..8ebfa8b 100644 --- a/configure.ac +++ b/configure.ac @@ -79,7 +79,6 @@ AC_FUNC_MMAP AC_FUNC_FORK AC_CHECK_FUNCS([ \ atexit \ - clock_gettime \ getcpuid \ gettid \ gettimeofday \ @@ -216,6 +215,11 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ compat_futex_test=1 ]) +# Search for clock_gettime +AC_SEARCH_LIBS([clock_gettime], [rt], [], + [AC_MSG_ERROR([Cannot find clock_gettime function.])] +) + # Check for pthread AC_CHECK_LIB([pthread], [pthread_create], [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)], -- 2.34.1