Build system: Make numpy centrally available

In order to be able to use numpy in PySide6 modules
besides libshiboken, move the numpy detection into the
build scripts and pass it as a CMake variable.

Task-number: PYSIDE-1540
Task-number: PYSIDE-1503
Change-Id: Ib30fdbab83904878286b7eaae1674ffba0f2febd
Reviewed-by: Christian Tismer <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/build_scripts/utils.py b/build_scripts/utils.py
index d80e59a3d..0a9036905 100644
--- a/build_scripts/utils.py
+++ b/build_scripts/utils.py
@@ -38,6 +38,7 @@
 #############################################################################
 
 import sys
+from pathlib import Path
 import os
 import re
 import stat
@@ -83,6 +84,15 @@ def update_env_path(newpaths):
             os.environ['PATH'] = f"{path}{os.pathsep}{os.environ['PATH']}"
 
 
+def get_numpy_location():
+    for p in sys.path:
+        if 'site-' in p:
+            numpy = Path(p).resolve() / 'numpy'
+            if numpy.is_dir():
+               return os.fspath(numpy / 'core' / 'include')
+    return None
+
+
 def winsdk_setenv(platform_arch, build_type):
     from distutils.msvc9compiler import VERSION as MSVC_VERSION
     from distutils.msvc9compiler import Reg