added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/trunk/ext/ripper/extconf.rb b/trunk/ext/ripper/extconf.rb
new file mode 100644
index 0000000000..a41a6af2d8
--- /dev/null
+++ b/trunk/ext/ripper/extconf.rb
@@ -0,0 +1,22 @@
+#!ruby -s
+
+require 'mkmf'
+require 'rbconfig'
+
+def main
+  unless find_executable('bison')
+    unless File.exist?('ripper.c') or File.exist?("#{$srcdir}/ripper.c")
+      Logging.message 'missing bison; abort'
+      return
+    end
+  end
+  $objs = %w(ripper.o)
+  $cleanfiles.concat %w(ripper.y ripper.c ripper.E ripper.output eventids1.c eventids2table.c)
+  $defs << '-DRIPPER'
+  $defs << '-DRIPPER_DEBUG' if $debug
+  $VPATH << '$(topdir)' << '$(top_srcdir)'
+  $INCFLAGS << ' -I$(topdir) -I$(top_srcdir)'
+  create_makefile 'ripper'
+end
+
+main