Use Python 3.9 [in public CI] (#599)

* Use Python 3.9 in CI
* Fix numpy version
* Fix build.sh script for using corect PREFIX

Author: PokhodenkoSA

.github/workflows/conda-package.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
     steps:
       - uses: actions/checkout@v2
         with:
@@ -57,7 +57,7 @@ jobs:
 
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
     env:
       conda-bld: C:\Miniconda\conda-bld\win-64\
     steps:
@@ -96,7 +96,7 @@ jobs:
 
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
         experimental: [false]
         runner: [ubuntu-latest]
         # include:
@@ -160,7 +160,7 @@ jobs:
 
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
         experimental: [false]
         runner: [windows-latest]
     continue-on-error: ${{ matrix.experimental }}
@@ -216,7 +216,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v2
@@ -241,7 +241,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python: [3.8]
+        python: [3.8, 3.9]
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v2

conda-recipe/build.sh

@@ -3,10 +3,15 @@
 # Workaround to Klocwork overwriting LD_LIBRARY_PATH that was modified
 # by DPC++ compiler conda packages. Will need to be added to DPC++ compiler
 # activation scripts.
-export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA_PREFIX/lib"
+export LDFLAGS="$LDFLAGS -Wl,-rpath,$PREFIX/lib"
 
 ${PYTHON} setup.py clean --all
-INSTALL_CMD="install --sycl-compiler-prefix=$CONDA_PREFIX"
+INSTALL_CMD="install --sycl-compiler-prefix=$BUILD_PREFIX"
+
+# Workaround for:
+# DPC++ launched by cmake does not see components of `dpcpp_cpp_rt`,
+# because conda build isolates LD_LIBRARY_PATH to only $PREFIX subfolders.
+export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:$BUILD_PREFIX/lib
 
 if [ -n "${WHEELS_OUTPUT_FOLDER}" ]; then
     # Install packages and assemble wheel package from built bits

conda-recipe/meta.yaml

@@ -22,7 +22,7 @@ requirements:
         - python
         - make  # [unix]
         - ninja  # [win]
-        - numpy >=1.17 # [win or osx or py==38]
+        - numpy >=1.17 # [win or osx or py>=38]
         - numpy 1.17 # [linux and py==37]
         - wheel
     run: