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-rw-r--r--tool/m4/ruby_try_ldflags.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/tool/m4/ruby_try_ldflags.m4 b/tool/m4/ruby_try_ldflags.m4
index 4b6e3775ab..b275107ed9 100644
--- a/tool/m4/ruby_try_ldflags.m4
+++ b/tool/m4/ruby_try_ldflags.m4
@@ -1,3 +1,4 @@
+# -*- Autoconf -*-
AC_DEFUN([RUBY_TRY_LDFLAGS], [
save_LDFLAGS="$LDFLAGS"
LDFLAGS="[$]LDFLAGS $1"