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-rw-r--r--lib/rubygems/ext/builder.rb4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/rubygems/ext/builder.rb b/lib/rubygems/ext/builder.rb
index e1b4f56fe8..0386dc559b 100644
--- a/lib/rubygems/ext/builder.rb
+++ b/lib/rubygems/ext/builder.rb
@@ -25,9 +25,7 @@ class Gem::Ext::Builder
# try to find make program from Ruby configure arguments first
RbConfig::CONFIG["configure_args"] =~ /with-make-prog\=(\w+)/
make_program_name = ENV["MAKE"] || ENV["make"] || $1
- unless make_program_name
- make_program_name = RUBY_PLATFORM.include?("mswin") ? "nmake" : "make"
- end
+ make_program_name ||= RUBY_PLATFORM.include?("mswin") ? "nmake" : "make"
make_program = Shellwords.split(make_program_name)
# The installation of the bundled gems is failed when DESTDIR is empty in mswin platform.