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-rw-r--r--Library/Homebrew/build_environment.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/Library/Homebrew/build_environment.rb b/Library/Homebrew/build_environment.rb
index b66aafcdf..e3299fb94 100644
--- a/Library/Homebrew/build_environment.rb
+++ b/Library/Homebrew/build_environment.rb
@@ -32,6 +32,8 @@ module BuildEnvironmentDSL
end
module Homebrew
+ module_function
+
def build_env_keys(env)
%w[
CC CXX LD OBJC OBJCXX