Port: Detect platforms where librt is required

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index aa4220de70739608db734aa7b87d2e991386d941..5cfe9731584b11e23b35a1d19934148611b67ad8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,10 @@ AC_CHECK_FUNCS([ \
        strtoull dirfd gethostbyname2 getipnodebyname epoll_create1 \
 ])
 
+# Check if clock_gettime, timer_create, timer_settime, and timer_delete are available in lib rt, and if so,
+# add -lrt to LIBS
+AC_CHECK_LIB([rt], [clock_gettime, timer_create, timer_settime, timer_delete])
+
 # Babeltrace viewer check
 AC_ARG_WITH([babeltrace-bin],
        AS_HELP_STRING([--with-babeltrace-bin],