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-rw-r--r--configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 64201e4a86..a967f3a0b5 100644
--- a/configure.in
+++ b/configure.in
@@ -1653,6 +1653,7 @@ AS_VAR_POPDEF([rbcv])dnl
RUBY_FUNC_ATTRIBUTE(noreturn, NORETURN)
RUBY_FUNC_ATTRIBUTE(deprecated, DEPRECATED)
+RUBY_FUNC_ATTRIBUTE(deprecated("by "@%:@n), DEPRECATED_BY(n,x), rb_cv_func_deprecated_by)
RUBY_FUNC_ATTRIBUTE(noinline, NOINLINE)
if_i386=${universal_binary+[defined __i386__]}