X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=configure.ac;h=716f22d6527c2afee7778737cea6913575fad61f;hb=8481f7a0ad3a050ebc8fd665fec6abd76a84e606;hp=802ccaa5ffe49566740e0e39fdcf46674924f12b;hpb=197bafac425c8bb6c19f90c3d697127021c34b14;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 802ccaa5..716f22d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,8 +83,21 @@ AC_CACHE_CHECK([whether the C++ compiler works],
 		[rw_cv_prog_cxx_works],
 		[AC_LANG_PUSH([C++])
 		AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
-				[rw_cv_prog_cxx_works=yes],
+				[check_cxx_designated_initializers=yes],
 				[rw_cv_prog_cxx_works=no])
+		if test "$check_cxx_designated_initializers" = "yes"; then
+			AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+				struct foo { int a; int b; };
+				void fct(void)
+				{
+					struct foo f = { .a = 0, .b = 1 };
+				}
+			]])],[
+				rw_cv_prog_cxx_works=yes
+			],[
+				rw_cv_prog_cxx_works=no
+			])
+		fi
 		AC_LANG_POP([C++])])
 
 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])