ENH: Migrate recipe to v1 format for rattler-build

Author: acosmicflamingo

recipe/build_output.bat

@@ -1,3 +1,11 @@
+set "CUDA_HOME=%PREFIX%\\%SUBDIR%"
+set "LIB=%PREFIX%\\%SUBDIR%\\lib\\%target_name%;%LIB%"
+
 set DIR_NAME=%PKG_NAME:-=_%
 cd %DIR_NAME%
+IF "%DIR_NAME%"=="cuda_bindings" (
+  REM The upstream setup.py calls get_version() without dist_name
+  REM so only the generic SETUPTOOLS_SCM_PRETEND_VERSION is honored.
+  set SETUPTOOLS_SCM_PRETEND_VERSION=%PKG_VERSION%
+)
 %PYTHON% -m pip install . --no-deps -vv

recipe/build_output.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+export CUDA_HOME="${PREFIX}/${SUBDIR}"
+
 DIR_NAME="$(echo $PKG_NAME | tr '-' '_')"
 cd $DIR_NAME
 if [[ ${DIR_NAME} == "cuda_python" ]]; then