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-rwxr-xr-xtool/rbinstall.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 7cb584bdd7..c3926e98ec 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -754,7 +754,7 @@ module RbInstall
makefile = File.read(makefile_path)
name = makefile[/^TARGET[ \t]*=[ \t]*((?:.*\\\n)*.*)/, 1]
- return [] if name.empty?
+ return [] if name.nil? || name.empty?
feature = makefile[/^DLLIB[ \t]*=[ \t]*((?:.*\\\n)*.*)/, 1]
feature = feature.sub("$(TARGET)", name)