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-rw-r--r--ext/ripper/extconf.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/ripper/extconf.rb b/ext/ripper/extconf.rb
index 6b44073300..99814e5d6c 100644
--- a/ext/ripper/extconf.rb
+++ b/ext/ripper/extconf.rb
@@ -4,6 +4,9 @@ require 'mkmf'
require 'rbconfig'
def main
+ Logging.message "YARV doesn't support Ripper"
+ return
+
unless find_executable('bison')
unless File.exist?('ripper.c') or File.exist?("#{$srcdir}/ripper.c")
Logging.message 'missing bison; abort'