py2cairo: add `env :std`

py2cairo needs the PATH environment variable to locate
`python-config` and by extension the Python the user
wants to use.

- Add `env :std` for now until a system-wide solution is used.

Fixes #14781

Closes #15159.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/Library/Formula/py2cairo.rb b/Library/Formula/py2cairo.rb
index e5583d32c..3ad133444 100644
--- a/Library/Formula/py2cairo.rb
+++ b/Library/Formula/py2cairo.rb
@@ -5,6 +5,8 @@ class Py2cairo < Formula
   url 'http://cairographics.org/releases/py2cairo-1.10.0.tar.bz2'
   sha1 '2efa8dfafbd6b8e492adaab07231556fec52d6eb'
 
+  env :std
+
   depends_on 'cairo'
   depends_on :x11
 
@@ -25,11 +27,10 @@ class Py2cairo < Formula
       end
     end
 
-    # waf miscompiles py2cairo on Lion, linking the wrong Python Library when
-    # HB Python is installed.  So add a LINKFLAG that sets the path to the real
-    # python Library as determined by `python-prefix`, where it gets used at
-    # link time and fixes the problem where you can't import cairo into Python.
+    # waf miscompiles py2cairo on >= lion with HB python, linking the wrong
+    # Python Library.  So add a LINKFLAG that sets the path.
     # https://github.com/mxcl/homebrew/issues/12893
+    # https://github.com/mxcl/homebrew/issues/14781
     # https://bugs.freedesktop.org/show_bug.cgi?id=51544
     ENV['LINKFLAGS'] = "-L#{%x(python-config --prefix).chomp}/lib"
     system "./waf", "configure", "--prefix=#{prefix}", "--nopyc", "--nopyo"