Port: Add configure check for __attribute__ support

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3ab6b497a7b87f0f5d09f5411c69fd8056f88ef5..f9bb2e033d0a0515b9e750fe0ff508dd10997e34 100644 (file)
--- 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])