AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CFLAGS]=-Idir to specify their location.
This error can also occur when the liburcu package's configure script has not been run.])])
+AC_MSG_CHECKING([caa_likely()])
+AC_TRY_COMPILE(
+[
+#include <urcu/compiler.h>
+],
+[
+void fct(void)
+{
+ if (caa_likely(1)) {
+ }
+}
+],
+[
+ AC_MSG_RESULT([yes])
+],
+[
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
+]
+)
+
# urcu - check that URCU lib is available to compilation
AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
liblttng-ust-comm/Makefile
libringbuffer/Makefile
libust/Makefile
+ libustctl/Makefile
tests/Makefile
tests/hello/Makefile
tests/ust-basic-tracing/Makefile