commit c068f3d23eb6572a86543da7ee05418212f3a9ea
Author: Ian Stakenvicius <axs@gentoo.org>
Date:   Fri Jan 27 13:28:01 2017 -0500

    waf: disable-python - add option globally to build system

diff --git a/buildtools/wafsamba/samba_python.py b/buildtools/wafsamba/samba_python.py
index 057a017..47b26c2 100644
--- a/buildtools/wafsamba/samba_python.py
+++ b/buildtools/wafsamba/samba_python.py
@@ -40,22 +40,31 @@ def SAMBA_CHECK_PYTHON(conf, mandatory=True, version=(2,4,2)):
 
 @conf
 def SAMBA_CHECK_PYTHON_HEADERS(conf, mandatory=True):
-    if conf.env["python_headers_checked"] == []:
-        if conf.env['EXTRA_PYTHON']:
-            conf.setenv('extrapython')
-            _check_python_headers(conf, mandatory=True)
-            conf.setenv('default')
-
-        _check_python_headers(conf, mandatory)
-        conf.env["python_headers_checked"] = "yes"
-
-        if conf.env['EXTRA_PYTHON']:
-            extraversion = conf.all_envs['extrapython']['PYTHON_VERSION']
-            if extraversion == conf.env['PYTHON_VERSION']:
-                raise Utils.WafError("extrapython %s is same as main python %s" % (
-                    extraversion, conf.env['PYTHON_VERSION']))
+    if not conf.env.disable_python:
+        if conf.env["python_headers_checked"] == []:
+            if conf.env['EXTRA_PYTHON']:
+                conf.setenv('extrapython')
+                _check_python_headers(conf, mandatory=True)
+                conf.setenv('default')
+
+            _check_python_headers(conf, mandatory)
+            conf.env["python_headers_checked"] = "yes"
+
+            if conf.env['EXTRA_PYTHON']:
+                extraversion = conf.all_envs['extrapython']['PYTHON_VERSION']
+                if extraversion == conf.env['PYTHON_VERSION']:
+                    raise Utils.WafError("extrapython %s is same as main python %s" % (
+                        extraversion, conf.env['PYTHON_VERSION']))
+
+        else:
+            conf.msg("python headers", "using cache")
+
     else:
-        conf.msg("python headers", "using cache")
+        if mandatory:
+            raise Utils.WafError("Cannot check for python headers when --disable-python specified")
+
+        conf.msg("python headers", "Check disabled due to --disable-python")
+
 
     # we don't want PYTHONDIR in config.h, as otherwise changing
     # --prefix causes a complete rebuild
@@ -77,6 +86,14 @@ def _check_python_headers(conf, mandatory):
         conf.env['PYTHON_SO_ABI_FLAG'] = ''
 
 
+def PYTHON_BUILD_IS_ENABLED(self):
+    if self.CONFIG_SET('HAVE_PYTHON_H'):
+        return True
+    return False
+
+Build.BuildContext.PYTHON_BUILD_IS_ENABLED = PYTHON_BUILD_IS_ENABLED
+
+
 def SAMBA_PYTHON(bld, name,
                  source='',
                  deps='',
@@ -89,8 +106,9 @@ def SAMBA_PYTHON(bld, name,
                  vars=None,
                  install=True,
                  enabled=True):
-    '''build a python extension for Samba'''
+  '''build a python extension for Samba'''
 
+  if bld.PYTHON_BUILD_IS_ENABLED():
     if bld.env['IS_EXTRA_PYTHON']:
         name = 'extra-' + name
 
diff --git a/buildtools/wafsamba/wscript b/buildtools/wafsamba/wscript
index 8802e5a..c5c0081 100644
--- a/buildtools/wafsamba/wscript
+++ b/buildtools/wafsamba/wscript
@@ -196,6 +196,10 @@ def set_options(opt):
                    help='tag release in git at the same time',
                    type='string', action='store', dest='TAG_RELEASE')
 
+    opt.add_option('--disable-python',
+                    help='do not generate python modules',
+                    action='store_true', dest='disable_python', default=False)
+
     opt.add_option('--extra-python', type=str,
                     help=("build selected libraries for the specified "
                           "additional version of Python "
@@ -279,6 +283,8 @@ def configure(conf):
     conf.env.AUTOCONF_HOST  = Options.options.AUTOCONF_HOST
     conf.env.AUTOCONF_PROGRAM_PREFIX = Options.options.AUTOCONF_PROGRAM_PREFIX
 
+    conf.env.disable_python = Options.options.disable_python
+
     conf.env.EXTRA_PYTHON = Options.options.EXTRA_PYTHON
 
     if (conf.env.AUTOCONF_HOST and