casa-mp-base

--- pyobjc_setup.py.orig    2019-10-16 20:40:22.000000000 +1100

+++ pyobjc_setup.py 2019-10-24 20:40:00.000000000 +1100

@@ -207,14 +207,28 @@

     v = pl['ProductVersion']

     return '.'.join(v.split('.')[:2])

-def get_sdk_level():

-    cflags = get_config_var('CFLAGS')

-    cflags = shlex.split(cflags)

-    for i, val in enumerate(cflags):

-        if val == '-isysroot':

-            sdk = cflags[i+1]

+def get_sdk():

+    env_cflags = os.environ.get('CFLAGS', '')

+    config_cflags = get_config_var('CFLAGS')

+    sdk = None

+    for cflags_str in [env_cflags, config_cflags]:

+        cflags = shlex.split(cflags_str)

+        for i, val in enumerate(cflags):

+            if val == '-isysroot':

+                sdk = cflags[i+1]

+                break

+            elif val.find('-isysroot') == 0:

+                sdk = val[len('-isysroot'):]

+                break

+        if sdk:

             break

-    else:

+

+    return sdk

+

+def get_sdk_level():

+    sdk = get_sdk()

+

+    if not sdk:

         return None

     if sdk == '/':

@@ -223,7 +237,10 @@

     sdk = os.path.basename(sdk)

     assert sdk.startswith('MacOSX')

     assert sdk.endswith('.sdk')

-    return sdk[6:-4]

+    if sdk == 'MacOSX.sdk':

+        return get_os_level()

+    else:

+        return sdk[6:-4]

 class pyobjc_install_lib (install_lib.install_lib):

     def get_exclusions(self):

@@ -396,10 +413,10 @@

     if 'clang' in get_config_var('CC'):

         cflags.append('-Wno-deprecated-declarations')

-    CFLAGS = get_config_var('CFLAGS')

-    if '-isysroot' not in CFLAGS: # and os.path.exists('/usr/include/stdio.h'):

-        # We're likely on a system with de Xcode Command Line Tools.

-        # Explicitly use the most recent problems to avoid compile problems.

+    sdk = get_sdk()

+    if not sdk: # and os.path.exists('/usr/include/stdio.h'):

+        # We're likely on a system with the Xcode Command Line Tools.

+        # Explicitly use the most recent SDK to avoid compile problems.

         data = os.popen('/usr/bin/xcrun -sdk macosx --show-sdk-path').read()

         data = data.strip()

         if data: