Help autoconf find m4 on Xcode-only systems

Closes Homebrew/homebrew#24904.
2013-12-06 20:56:15 -06:00 · 2013-12-06 20:56:15 -06:00 · 009541c446
commit 009541c446
parent a9823bc518
1 changed files with 1 additions and 0 deletions
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@ -82,6 +82,7 @@ module Superenv
    self['CMAKE_INCLUDE_PATH'] = determine_cmake_include_path
    self['CMAKE_LIBRARY_PATH'] = determine_cmake_library_path
    self['ACLOCAL_PATH'] = determine_aclocal_path
+    self['M4'] = MacOS.locate("m4") if deps.include? "autoconf"

    # 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