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-rw-r--r--Library/Formula/ledger.rb9
1 files changed, 4 insertions, 5 deletions
diff --git a/Library/Formula/ledger.rb b/Library/Formula/ledger.rb
index d55604422..a751af608 100644
--- a/Library/Formula/ledger.rb
+++ b/Library/Formula/ledger.rb
@@ -25,11 +25,10 @@ class Ledger < Formula
depends_on "gmp"
depends_on :python => :optional
- if build.with? "python"
- depends_on "boost" => "with-python"
- else
- depends_on "boost"
- end
+ boost_opts = []
+ boost_opts << "with-python" if build.with? "python"
+ boost_opts << "c++11" if MacOS.version < "10.9"
+ depends_on "boost" => boost_opts
needs :cxx11