macOS: Use .tbd files instead of reexported libraries

Author: dalcinl

cibw-build-mpi.sh

@@ -744,19 +744,12 @@ if test "$(uname)" = Linux; then
 fi
 
 if test "$(uname)" = Darwin; then
+    tapi() { /Library/Developer/CommandLineTools/usr/bin/tapi "$@"; }
     for linklib in lib*mpi.dylib; do
         target=$(readlink "$linklib")
         unlink "$linklib"
-        idname="@rpath/$target"
-        ldname="@loader_path/$target"
-        ldflags=("${build_ldflags[@]/-Wl,-dead_strip_dylibs}")
-        ldflags+=("-Wl,-reexport_library,$target")
-        cc -shared "${ldflags[@]}" -o "$linklib"
-        install_name_tool -change "$idname" "$ldname" "$linklib"
-        install_name_tool -id "$idname" "$linklib"
-        if test "$(uname -m)" = arm64; then
-            codesign --force --options linker-signed --sign - "$linklib"
-        fi
+        tapi stubify --filetype=tbd-v4 "$target"
+        mv "${target/%.dylib/.tbd}" "${linklib/%.dylib/.tbd}"
     done
 fi