X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=configure.ac;h=41c5d6b5c2cb8f600a8eb59c6303ac87fe146b8e;hb=491f30fe2fbacf7b11e78bd5a0af301c7b486ede;hp=77ba54afc22503dd26fd4996f193f7949a5e2e0f;hpb=b2f60c7986bb69f81b79b68f1bfe83aafa3278a7;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 77ba54af..41c5d6b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,12 +217,20 @@ AC_ARG_WITH([sdt],
 )
 
 AS_IF([test "x$with_sdt" = "xyes"],[
-	AC_CHECK_HEADERS([sys/sdt.h], [
+	AC_MSG_CHECKING([STAP_PROBEV()])
+	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+	#define SDT_USE_VARIADIC
+	#include <sys/sdt.h>
+	void fct(void)
+	{
+		STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
+	}
+	]])],[
+		AC_MSG_RESULT([yes])
 		AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
 	],[
-		AC_MSG_ERROR([The sdt.h integration was requested
-but this header file cannot be found. Make sure it is installed
-or use CFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
+		AC_MSG_RESULT([no])
+		AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
 	])
 ])