summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tool/compile_prelude.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/tool/compile_prelude.rb b/tool/compile_prelude.rb
index ddc1731ab2..985f7192cf 100644
--- a/tool/compile_prelude.rb
+++ b/tool/compile_prelude.rb
@@ -1,3 +1,9 @@
+# This file is interpreted by $(BASERUBY) and miniruby.
+# $(BASERUBY) is used for prelude.c.
+# miniruby is used for ext_prelude.c.
+# Since $(BASERUBY) may be older than Ruby 1.9,
+# Ruby 1.9 feature should not be used.
+
preludes = ARGV.dup
outfile = preludes.pop