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# HG changeset patch
# User Cédric Krier <ced@b2ck.com>
# Date 1674932937 -3600
#      Sat Jan 28 20:08:57 2023 +0100
# Node ID 65a97b8b1268169fecc21749b7472fd155bfb399
# Parent  a1123772333204cbeb766b17de8089a1d13d4a68
# EXP-Topic setup-rust-build-makedirs-target
Ensure target directory exists with building rust extension

When the rust extension is the first to be build, the target directory may not
exist so the copy fails.

diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -1454,11 +1454,13 @@ class RustStandaloneExtension(RustExtens
         target = [target_dir]
         target.extend(self.name.split('.'))
         target[-1] += DYLIB_SUFFIX
+        target = os.path.join(*target)
+        os.makedirs(os.path.dirname(target), exist_ok=True)
         shutil.copy2(
             os.path.join(
                 self.rusttargetdir, self.dylibname + self.rustdylibsuffix()
             ),
-            os.path.join(*target),
+            target,
         )