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--- a/build/ac-macros/swig.m4
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+++ b/build/ac-macros/swig.m4
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rbconfig="$RUBY -rrbconfig -e "
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for var_name in arch archdir CC LDSHARED DLEXT LIBS LIBRUBYARG \
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- rubyhdrdir sitedir sitelibdir sitearchdir libdir
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+ rubyhdrdir rubyarchhdrdir sitedir sitelibdir sitearchdir libdir
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rbconfig_tmp=`$rbconfig "print RbConfig::CONFIG@<:@'$var_name'@:>@"`
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eval "rbconfig_$var_name=\"$rbconfig_tmp\""
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AC_CACHE_CHECK([for Ruby include path], [svn_cv_ruby_includes],[
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if test -d "$rbconfig_rubyhdrdir"; then
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- svn_cv_ruby_includes="-I. -I$rbconfig_rubyhdrdir -I$rbconfig_rubyhdrdir/ruby -I$rbconfig_rubyhdrdir/ruby/backward -I$rbconfig_rubyhdrdir/$rbconfig_arch"
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+ svn_cv_ruby_includes="-I. -I$rbconfig_rubyhdrdir -I$rbconfig_rubyhdrdir/ruby -I$rbconfig_rubyhdrdir/ruby/backward"
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+ if test -d "$rbconfig_rubyarchhdrdir"; then
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+ svn_cv_ruby_includes="$svn_cv_ruby_includes -I$rbconfig_rubyarchhdrdir"
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+ svn_cv_ruby_includes="$svn_cv_ruby_includes -I$rbconfig_rubyhdrdir/$rbconfig_arch"
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svn_cv_ruby_includes="-I. -I$rbconfig_archdir"