shared: handle missing Xcode/CLT version.

Fixes https://github.com/Homebrew/homebrew-core/issues/3973.
2016-08-17 13:23:13 +01:00 · 2016-08-17 13:23:13 +01:00 · 27fc2abaca
commit 27fc2abaca
parent 6878577d12
1 changed files with 10 additions and 1 deletions
--- a/Library/Homebrew/extend/os/mac/extend/ENV/shared.rb
+++ b/Library/Homebrew/extend/os/mac/extend/ENV/shared.rb
@ -1,6 +1,15 @@
 module SharedEnvExtension
  def no_weak_imports?
    return false unless compiler == :clang
-    MacOS::Xcode.version >= "8.0" || MacOS::CLT.version >= "8.0"
+
+    if MacOS::Xcode.version && MacOS::Xcode.version < "8.0"
+      return false
+    end
+
+    if MacOS::CLT.version && MacOS::CLT.version < "8.0"
+      return false
+    end
+
+    true
  end
 end