linux and windows build changes

pyproject.toml

@@ -41,6 +41,10 @@ before-build = "bash {project}/tools/cibw_macos.sh"
 environment = { CC="/usr/local/opt/llvm/bin/clang", CXX="/usr/local/opt/llvm/bin/clang++" }
 
 [tool.cibuildwheel.windows]
-# before-build = "sh tools/cibw_windows.sh"
-before-build = "choco install rtools -y --no-progress --force --version=4.0.0.20220206 && set PATH=C:\\rtools40\\ucrt64\\bin\\;%PATH%"
-environment = { PKG_CONFIG_PATH="C:/opt/64/lib/pkgconfig", CXX="g++", CC="gcc" }
+before-build = "bash {project}/tools/cibw_windows.sh"
+# before-build = "choco install rtools -y --no-progress --force --version=4.0.0.20220206 && set PATH=C:\\rtools40\\ucrt64\\bin\\;%PATH%"
+environment = { PKG_CONFIG_PATH="C:/opt/64/lib/pkgconfig", CXX="g++", CC="gcc" }
+repair-wheel-command = "bash ./tools/wheels/repair_windows.sh {wheel} {dest_dir}"
+
+[tool.cibuildwheel.linux]
+environment = { CC="clang", CXX="clang++" }

tools/repair_windows.sh

@@ -0,0 +1,29 @@
+set -xe
+
+WHEEL="$1"
+DEST_DIR="$2"
+
+# create a temporary directory in the destination folder and unpack the wheel into there
+pushd $DEST_DIR
+mkdir -p tmp
+pushd tmp
+wheel unpack $WHEEL
+pushd primate*
+
+# To avoid DLL hell, the file name of libopenblas that's being vendored with
+# the wheel has to be name-mangled. delvewheel is unable to name-mangle PYD
+# containing extra data at the end of the binary, which frequently occurs when
+# building with mingw.
+# We therefore find each PYD in the directory structure and strip them.
+for f in $(find ./primate* -name '*.pyd'); do strip $f; done
+
+
+# now repack the wheel and overwrite the original
+wheel pack .
+mv -fv *.whl $WHEEL
+
+cd $DEST_DIR
+rm -rf tmp
+
+# the libopenblas.dll is placed into this directory in the cibw_before_build script.
+delvewheel repair  -w $DEST_DIR $WHEEL