diff options
Diffstat (limited to 'Library')
| -rw-r--r-- | Library/Homebrew/superenv.rb | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Library/Homebrew/superenv.rb b/Library/Homebrew/superenv.rb index b15d40f6b..dfa6b2610 100644 --- a/Library/Homebrew/superenv.rb +++ b/Library/Homebrew/superenv.rb @@ -63,6 +63,20 @@ class << ENV ENV['CMAKE_LIBRARY_PATH'] = determine_cmake_library_path ENV['ACLOCAL_PATH'] = determine_aclocal_path + # The HOMEBREW_CCCFG ENV variable is used by the ENV/cc tool to control + # compiler flag stripping. It consists of a string of characters which act + # as flags. Some of these flags are mutually exclusive. + # + # u - A universal build was requested + # 3 - A 32-bit build was requested + # b - Installing from a bottle + # i - Installing from a bottle on Intel + # 6 - Installing from a bottle on 64-bit Intel + # + # On 10.8 and newer, these flags will also be present: + # s - apply fix for sed's Unicode support + # a - apply fix for apr-1-config path + # Homebrew's apple-gcc42 will be outside the PATH in superenv, # so xcrun may not be able to find it if ENV['HOMEBREW_CC'] == 'gcc-4.2' @@ -75,7 +89,7 @@ class << ENV append 'HOMEBREW_CCCFG', "u", '' end - # m32 on superenv does not add any flags. It prevents "-m32" from being erased. + # m32 on superenv does not add any CC flags. It prevents "-m32" from being erased. def m32 append 'HOMEBREW_CCCFG', "3", '' end |