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-rwxr-xr-xtool/mkconfig.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/tool/mkconfig.rb b/tool/mkconfig.rb
index d108a51c00..79c97fa490 100755
--- a/tool/mkconfig.rb
+++ b/tool/mkconfig.rb
@@ -167,10 +167,10 @@ def vars.expand(val, config = self)
val.replace(newval) unless newval == val
val
end
-vars["prefix"] = ""
-vars["exec_prefix"] = ""
-prefix = vars.expand(vars["rubyarchdir"])
-print " TOPDIR = File.dirname(__FILE__).chomp!(#{prefix.dump})\n"
+prefix = vars.expand(vars["prefix"])
+rubyarchdir = vars.expand(vars["rubyarchdir"])
+relative_archdir = rubyarchdir.rindex(prefix, 0) ? rubyarchdir[prefix.size..-1] : rubyarchdir
+print " TOPDIR = File.dirname(__FILE__).chomp!(#{relative_archdir.dump})\n"
print " DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n"
print <<'ARCH' if universal
arch_flag = ENV['ARCHFLAGS'] || ((e = ENV['RC_ARCHS']) && e.split.uniq.map {|a| "-arch #{a}"}.join(' '))