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-rw-r--r--Library/Formula/ksh.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/Library/Formula/ksh.rb b/Library/Formula/ksh.rb
index 67d0a12a0..b0788194b 100644
--- a/Library/Formula/ksh.rb
+++ b/Library/Formula/ksh.rb
@@ -39,7 +39,7 @@ class Ksh < Formula
system "/bin/ksh", "bin/package", "read"
# Needed due to unusal build system.
- ENV["HOMEBREW_CCCFG"] += "O"
+ ENV.refurbish_args
# From Apple"s ksh makefile.
kshcppdefines = "-DSHOPT_SPAWN=0 -D_ast_int8_t=int64_t -D_lib_memccpy"