X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=configure.ac;h=f9bb2e033d0a0515b9e750fe0ff508dd10997e34;hp=3ab6b497a7b87f0f5d09f5411c69fd8056f88ef5;hb=58cb7c6332bb82cd557ed2faf723fe6047e8409d;hpb=9d5a288571bc2e43c7e58e2ce9eff465c1189352

diff --git a/configure.ac b/configure.ac
index 3ab6b497..f9bb2e03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,11 @@ AC_PROG_LEX
 AC_PROG_MKDIR_P
 AC_PROG_LN_S
 
+AX_C___ATTRIBUTE__
+AS_IF([test "x$ax_cv___attribute__" = "xyes"],
+	[:],
+	[AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
+
 # Check linker option
 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
 AC_SUBST([LD_NO_AS_NEEDED])