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-rw-r--r--Library/Homebrew/os/mac.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 06411d9d6..0b10a4611 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -131,7 +131,9 @@ module OS
def default_compiler
case default_cc
- when /^gcc-4.0/ then :gcc_4_0
+ # if GCC 4.2 is installed, e.g. via Tigerbrew, prefer it
+ # over the system's GCC 4.0
+ when /^gcc-4.0/ then gcc_42_build_version ? :gcc : :gcc_4_0
when /^gcc/ then :gcc
when /^llvm/ then :llvm
when "clang" then :clang