Align wheels build logic with internal CI

Author: ekomarova

conda-recipe/bld.bat

@@ -1,3 +1,15 @@
 set MKLROOT=%PREFIX%
-%PYTHON% -m pip install --no-build-isolation --no-deps .
-if errorlevel 1 exit 1
+
+rem Workaround to remove spaces from the env value
+set WHEELS_OUTPUT_FOLDER=%WHEELS_OUTPUT_FOLDER: =%
+rem Build wheel package
+if NOT "%WHEELS_OUTPUT_FOLDER%"=="" (
+    %PYTHON% -m pip wheel --no-build-isolation --no-deps .
+    if errorlevel 1 exit 1
+    copy mkl_fft*.whl %WHEELS_OUTPUT_FOLDER%
+    if errorlevel 1 exit 1
+) ELSE (
+    rem Build conda package
+    %PYTHON% -m pip install --no-build-isolation --no-deps .
+    if errorlevel 1 exit 1
+)

conda-recipe/build.sh

@@ -2,4 +2,17 @@
 
 export MKLROOT=$PREFIX
 export CFLAGS="-I$PREFIX/include $CFLAGS"
-$PYTHON -m pip install --no-build-isolation --no-deps .
+export LDFLAGS="-Wl,-rpath,\$ORIGIN/../.. -Wl,-rpath,\$ORIGIN/../../.. -L${PREFIX}/lib ${LDFLAGS}"
+
+read -r GLIBC_MAJOR GLIBC_MINOR <<<"$(conda list '^sysroot_linux-64$' \
+    | tail -n 1 | awk '{print $2}' | grep -oP '\d+' | head -n 2 | tr '\n' ' ')"
+
+# Build wheel package
+if [ -n "${WHEELS_OUTPUT_FOLDER}" ]; then
+     $PYTHON -m pip wheel --no-build-isolation --no-deps .
+     ${PYTHON} -m wheel tags --remove --platform-tag ${WHEELS_BUILD_TAG} mkl_fft*.whl
+     cp mkl_fft*.whl ${WHEELS_OUTPUT_FOLDER}
+else
+    # Build conda package
+    $PYTHON -m pip install --no-build-isolation --no-deps .
+fi

conda-recipe/meta.yaml

@@ -10,6 +10,8 @@ source:
 
 build:
     number: {{ buildnumber }}
+    script_env:
+      - WHEELS_OUTPUT_FOLDER
     ignore_run_exports:
       - blas