update conda-recipe build scripts

Author: ndgrigorian

conda-recipe/bld.bat

@@ -2,11 +2,6 @@ echo on
 rem set CFLAGS=-I%PREFIX%\Library\include %CFLAGS%
 rem set LDFLAGS=/LIBPATH:%PREFIX% %LDFLAGS%
 
-"%PYTHON%" setup.py clean --all
-
-:: Make CMake verbose
-set "VERBOSE=1"
-
 :: -wnx flags mean: --wheel --no-isolation --skip-dependency-check
 %PYTHON% -m build -w -n -x
 if %ERRORLEVEL% neq 0 exit 1

conda-recipe/build.sh

@@ -4,10 +4,9 @@ set -ex
 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' ' ')"
 
-${PYTHON} setup.py clean --all
-
-# Make CMake verbose
-export VERBOSE=1
+if [ -d "build" ]; then
+    rm -rf build
+fi
 
 # -wnx flags mean: --wheel --no-isolation --skip-dependency-check
 ${PYTHON} -m build -w -n -x

conda-recipe/meta.yaml

@@ -24,6 +24,7 @@ requirements:
       - ninja
       - python
       - python-gil     # [py>=314]
+      - python-build
       - pip >=25.0
       - mkl-devel
       - cython