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-rw-r--r--tool/m4/ruby_dtrace_postprocess.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/tool/m4/ruby_dtrace_postprocess.m4 b/tool/m4/ruby_dtrace_postprocess.m4
index ba5785d9dd..9ef088b3f8 100644
--- a/tool/m4/ruby_dtrace_postprocess.m4
+++ b/tool/m4/ruby_dtrace_postprocess.m4
@@ -1,3 +1,4 @@
+# -*- Autoconf -*-
AC_DEFUN([RUBY_DTRACE_POSTPROCESS],
[AC_CACHE_CHECK(whether $DTRACE needs post processing, rb_cv_prog_dtrace_g,
[