Reproducible builds on macOS-arm64

Author: dalcinl

cibw-build-mpi.sh

@@ -41,6 +41,7 @@ if test "$(uname)" = Linux; then
     build_ldflags+=("-Wl,--as-needed")
 fi
 if test "$(uname)" = Darwin; then
+    build_ldflags+=("-Wl,-reproducible")
     build_ldflags+=("-Wl,-dead_strip_dylibs")
 fi
 
@@ -409,6 +410,21 @@ if test "$(uname)" = Darwin; then
     ln -s "$libpmpi" libpmpi.dylib
 fi
 
+if test "$(uname)-$(uname -m)" = Darwin-arm64; then
+    binaries=(
+       "${DESTDIR}${PREFIX}"/lib/libpmpi.*.dylib
+       "${DESTDIR}${PREFIX}"/lib/libmpi.*.dylib
+       "${DESTDIR}${PREFIX}"/bin/hydra*
+       "${DESTDIR}${PREFIX}"/bin/mpich*
+       "${DESTDIR}${PREFIX}"/bin/mpirun
+       "${DESTDIR}${PREFIX}"/bin/mpivars
+       "${DESTDIR}${PREFIX}"/bin/mpiexec*
+    )
+    for bin in  "${binaries[@]}"; do
+       codesign --force --options linker-signed --sign - "$bin"
+    done
+fi
+
 } # fixup-mpi-mpich()
 
 fixup-mpi-openmpi() {

cibw-check-mpi.sh

@@ -88,6 +88,7 @@ RUN mpicxx -show
 RUN mpicxx helloworld.cxx -o helloworld-cxx
 
 RUN command -v mpiexec
+RUN mpiexec -help
 RUN mpiexec -n 3 ./helloworld-c
 RUN mpiexec -n 3 ./helloworld-cxx