From 672a75c8417ce08db9e31fc415ec445479231d5a Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Thu, 10 Dec 2015 13:20:30 +0200
Subject: [PATCH] Don't search /usr and so on for libraries by default to

 avoid host contamination.

Upstream-Status: Inappropriate (As the code stands, this is a hack)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>

---
 numpy/distutils/system_info.py | 42 ++++------------------------------
 1 file changed, 5 insertions(+), 37 deletions(-)

diff --git a/numpy/distutils/system_info.py b/numpy/distutils/system_info.py
index ba2b1f4..f94dce1 100644
--- a/numpy/distutils/system_info.py
+++ b/numpy/distutils/system_info.py
@@ -278,45 +278,13 @@ if sys.platform == 'win32':
             add_system_root(os.path.join(conda_dir, 'Library'))
 
 else:
-    default_lib_dirs = libpaths(['/usr/local/lib', '/opt/lib', '/usr/lib',
-                                 '/opt/local/lib', '/sw/lib'], platform_bits)
     default_runtime_dirs = []
-    default_include_dirs = ['/usr/local/include',
-                            '/opt/include', '/usr/include',
-                            # path of umfpack under macports
-                            '/opt/local/include/ufsparse',
-                            '/opt/local/include', '/sw/include',
-                            '/usr/include/suitesparse']
-    default_src_dirs = ['.', '/usr/local/src', '/opt/src', '/sw/src']
-
-    default_x11_lib_dirs = libpaths(['/usr/X11R6/lib', '/usr/X11/lib',
-                                     '/usr/lib'], platform_bits)
-    default_x11_include_dirs = ['/usr/X11R6/include', '/usr/X11/include',
-                                '/usr/include']
-
-    if os.path.exists('/usr/lib/X11'):
-        globbed_x11_dir = glob('/usr/lib/*/libX11.so')
-        if globbed_x11_dir:
-            x11_so_dir = os.path.split(globbed_x11_dir[0])[0]
-            default_x11_lib_dirs.extend([x11_so_dir, '/usr/lib/X11'])
-            default_x11_include_dirs.extend(['/usr/lib/X11/include',
-                                             '/usr/include/X11'])
-
-    with open(os.devnull, 'w') as tmp:
-        try:
-            p = subprocess.Popen(["gcc", "-print-multiarch"], stdout=subprocess.PIPE,
-                         stderr=tmp)
-        except (OSError, DistutilsError):
-            # OSError if gcc is not installed, or SandboxViolation (DistutilsError
-            # subclass) if an old setuptools bug is triggered (see gh-3160).
-            pass
-        else:
-            triplet = str(p.communicate()[0].decode().strip())
-            if p.returncode == 0:
-                # gcc supports the "-print-multiarch" option
-                default_x11_lib_dirs += [os.path.join("/usr/lib/", triplet)]
-                default_lib_dirs += [os.path.join("/usr/lib/", triplet)]
+    default_lib_dirs = libpaths(['/deadir/lib'], platform_bits)
+    default_include_dirs = ['/deaddir/include']
+    default_src_dirs = ['.', '/deaddir/src']
 
+    default_x11_lib_dirs = libpaths(['/deaddir/lib'], platform_bits)
+    default_x11_include_dirs = ['/deaddir/include']
 
 if os.path.join(sys.prefix, 'lib') not in default_lib_dirs:
     default_lib_dirs.insert(0, os.path.join(sys.prefix, 'lib'))
