- Issue #17086: Backport the patches from the 3.3 branch to cross-build
the package.
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 9442d39..d74ca39 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -116,6 +116,10 @@
if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower():
_PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
+# set for cross builds
+if "_PYTHON_PROJECT_BASE" in os.environ:
+ # the build directory for posix builds
+ _PROJECT_BASE = os.path.normpath(os.path.abspath("."))
def is_python_build():
for fn in ("Setup.dist", "Setup.local"):
if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)):
@@ -507,6 +511,10 @@
return 'win-ia64'
return sys.platform
+ # Set for cross builds explicitly
+ if "_PYTHON_HOST_PLATFORM" in os.environ:
+ return os.environ["_PYTHON_HOST_PLATFORM"]
+
if os.name != "posix" or not hasattr(os, 'uname'):
# XXX what about the architecture? NT is Intel or Alpha,
# Mac OS is M68k or PPC, etc.