diff --git a/.github/julia/build_tarballs.jl b/.github/julia/build_tarballs.jl
new file mode 100644
index 0000000..6d37ebc
--- /dev/null
+++ b/.github/julia/build_tarballs.jl
@@ -0,0 +1,207 @@
+# The C/Coin-OR directory contains a number of inter-related packages. Their
+# dependency graph has the following topological order. Because we use strict
+# equality compat bounds (relaxing to SemVer has caused compatibility issues in
+# the past), when updating a package, you should also update all subsequent
+# packages in the order.
+#
+# The order is:
+#
+# [CoinUtils_jll]
+# [Osi_jll]
+# [Clp_jll]
+# [Cgl_jll]
+# [Cbc_jll]
+# [Bonmin_jll]
+# [Couenne_jll]
+# [SHOT_jll]
+# [SYMPHONY_jll]
+# [ALPS_jll]
+# [BiCePS_jll]
+# [CHIPPS_BLIS_jll]
+# [MibS_jll]
+#
+# The other packages in C/Coin-OR that do not have dependencies are:
+#
+# [Ipopt_jll]
+# [IpoptMKL_jll]
+# [CDSP_jll]
+
+using BinaryBuilder, Pkg
+
+"""
+    offset_version(upstream, offset)
+
+Compute a version that allows distinguishing between changes in the upstream
+version and changes to the JLL which retain the same upstream version.
+
+When the `upstream` version is changed, `offset` version numbers should be reset
+to `v"0.0.0"` and incremented following semantic versioning.
+"""
+function offset_version(upstream, offset)
+    return VersionNumber(
+        upstream.major * 100 + offset.major,
+        upstream.minor * 100 + offset.minor,
+        upstream.patch * 100 + offset.patch,
+    )
+end
+
+# GCC version for building the whole system
+gcc_version = v"8.1.0"
+
+# LLVM version for building the whole system
+llvm_version = v"13.0.1"
+
+# Versions of various COIN-OR libraries
+
+Bonmin_upstream_version = v"1.8.9"
+Bonmin_gitsha = "030d111af16a0f30b6fff851ba7f983bea14f982"
+Bonmin_version_offset = v"0.0.1"
+Bonmin_version = offset_version(Bonmin_upstream_version, Bonmin_version_offset)
+
+Couenne_version = offset_version(v"0.5.8", v"0.0.1")
+Couenne_gitsha = "7154f7a9b3cd84be378d02b483d090b76fc79ce8"
+
+Cbc_version = offset_version(v"2.10.12", v"0.0.0")
+Cbc_gitsha = "782d275a8efa569eb818551561b424948e19653c"
+
+Cgl_version = offset_version(v"0.60.9", v"0.0.0")
+Cgl_gitsha = "1d91b9ccb57eafbb7c07e994089a0f124358ffbd"
+
+Clp_version = offset_version(v"1.17.10", v"0.0.0")
+Clp_gitsha = "9a3efaa9ecefeb2a6088a447c9f66c6f31edbed9"
+
+Osi_version = offset_version(v"0.108.11", v"0.0.0")
+Osi_gitsha = "d979b7b890a32a7e69c53920bb39eef17bd599b8"
+
+CoinUtils_version = offset_version(v"2.11.12", v"0.0.0")
+CoinUtils_gitsha = "cc644574ef1899f14b7318e6cdb7f460bbee5212"
+
+Ipopt_upstream_version = v"3.14.19"
+Ipopt_gitsha = "2695946fa79d2e84f3034e065e788933a81466eb"
+Ipopt_verson_offset = v"0.0.0"
+Ipopt_version = offset_version(Ipopt_upstream_version, Ipopt_verson_offset)
+
+ALPS_upstream_version = v"1.5.7"
+# This is not the exact 1.5.7 tag, but a few commits later on stable/1.5
+ALPS_gitsha = "5b1a0b524979764d6ca929446762762712c035bb"
+ALPS_version_offset = v"0.0.2"
+ALPS_version = offset_version(ALPS_upstream_version, ALPS_version_offset)
+
+BiCePS_version = offset_version(v"0.94.4", v"0.0.0")
+BiCePS_gitsha = "8e41545a3b1a36ca1d306b3af96f3804dc57e61f"
+
+CHiPPS_BLIS_version = offset_version(v"0.94.8", v"0.0.2")
+# This is not the exact 0.94.8 tag, but a few commits later on releases/0.94.8
+CHiPPS_BLIS_gitsha = "0ad6d4530d48e3b5f417a3407f5f2e8605145b50"
+
+SYMPHONY_version = offset_version(v"5.6.19", v"0.0.0")
+SYMPHONY_gitsha = "28adc89185be98780b1ab6528ab270e569561b87"
+
+MibS_version = offset_version(v"1.1.3", v"0.0.1")
+MibS_gitsha = "4b7ec93c4bd1d6a978deff9987cf1df74f6598d3"
+
+SHOT_gitsha = "11fda1ecb84af9718f1e0c0ebf7ae5ae8c45041a"
+SHOT_version = offset_version(v"1.1.0", v"0.0.0")
+
+# Third-party packages needed by COIN-OR libraries.
+Julia_compat_version = "1.6"
+ASL_version = v"0.1.3"
+METIS_version = v"5.1.2"
+MUMPS_seq_version = v"5.4.1"
+MUMPS_seq_version_LBT = v"500.800.100"
+SPRAL_version_LBT = v"2025.5.20"
+OpenBLAS32_version = v"0.3.26"
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = expand_cxxstring_abis(supported_platforms())
+platforms = filter!(!Sys.isfreebsd, platforms)
+filter!(p -> arch(p) != "riscv64", platforms)
+
+sources = [
+    GitSource("https://github.com/coin-or/Cbc.git", Cbc_gitsha),
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir/Cbc*
+
+# Remove misleading libtool files
+rm -f ${prefix}/lib/*.la
+update_configure_scripts
+
+# old and custom autoconf
+sed -i s/elf64ppc/elf64lppc/ configure
+
+mkdir build
+cd build/
+
+export CPPFLAGS="${CPPFLAGS} -DNDEBUG -I${includedir} -I${includedir}/coin"
+if [[ ${target} == *mingw* ]]; then
+    export LDFLAGS="-L$prefix/bin"
+elif [[ ${target} == *linux* ]]; then
+    export LDFLAGS="-ldl -lrt"
+fi
+
+# BLAS and LAPACK
+if [[ "${target}" == *mingw* ]]; then
+  LBT="-lblastrampoline-5"
+else
+  LBT="-lblastrampoline"
+fi
+
+../configure \
+    --prefix=${prefix} \
+    --build=${MACHTYPE} \
+    --host=${target} \
+    --with-pic \
+    --disable-pkg-config \
+    --disable-debug \
+    --enable-shared \
+    lt_cv_deplibs_check_method=pass_all \
+    --with-asl-lib="-lasl" \
+    --with-blas \
+    --with-blas-lib="-L${libdir} ${LBT}" \
+    --with-lapack \
+    --with-lapack-lib="-L${libdir} ${LBT}" \
+    --with-clp-lib="-lClp" \
+    --with-coindepend-lib="-lCgl -lOsiClp -lClp -lOsi -lCoinUtils" \
+    --enable-cbc-parallel
+
+make -j${nproc}
+make install
+"""
+
+# The products that we will ensure are always built
+products = [
+    LibraryProduct("libCbc", :libCbc),
+    LibraryProduct("libOsiCbc", :libOsiCbc),
+    LibraryProduct("libCbcSolver", :libcbcsolver),
+    ExecutableProduct("cbc", :cbc),
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = [
+    Dependency("ASL_jll", ASL_version),
+    Dependency("Cgl_jll", compat="$(Cgl_version)"),
+    Dependency("Clp_jll", compat="$(Clp_version)"),
+    Dependency("Osi_jll", compat="$(Osi_version)"),
+    Dependency("CoinUtils_jll", compat="$(CoinUtils_version)"),
+    Dependency(PackageSpec(name="libblastrampoline_jll", uuid="8e850b90-86db-534c-a0d3-1478176c7d93"), compat="5.4.0"),
+    Dependency("CompilerSupportLibraries_jll")
+]
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(
+    ARGS,
+    "Cbc",
+    Cbc_version,
+    sources,
+    script,
+    expand_gfortran_versions(platforms),
+    products,
+    dependencies;
+    preferred_gcc_version = gcc_version,
+    preferred_llvm_version = llvm_version,
+    julia_compat = "1.9",
+)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml.bak
similarity index 100%
rename from .github/workflows/ci.yml
rename to .github/workflows/ci.yml.bak
diff --git a/.github/workflows/cross_compile_and_test.yml b/.github/workflows/cross_compile_and_test.yml
new file mode 100644
index 0000000..5ef9b3b
--- /dev/null
+++ b/.github/workflows/cross_compile_and_test.yml
@@ -0,0 +1,44 @@
+name: Build on Linux, Run on macOS
+on:
+  push:
+    branches: [master]
+  pull_request:
+    types: [opened, synchronize, reopened]
+# needed to allow julia-actions/cache to delete old caches that it has created
+permissions:
+  actions: write
+  contents: read
+jobs:
+  # The purpose of this job is to install Julia, run binary builder, and store
+  # the solver artifact for the next job.
+  build-jll:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: "1.7"
+          arch: x64
+      - uses: julia-actions/cache@v2
+      - run: |
+          julia --color=yes -e 'using Pkg; Pkg.add("BinaryBuilder")'
+          julia --color=yes .github/julia/build_tarballs.jl x86_64-linux-gnu-libgfortran3-cxx11 --verbose --deploy=local
+        env:
+          BINARYBUILDER_RUNNER: privileged
+          BINARYBUILDER_AUTOMATIC_APPLE: true
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: "1.10"
+          arch: x64
+      - run: |
+          cd /home/runner/work/Cbc.jl/Cbc.jl/products
+          tar -xzf Cbc.v200.1000.1200.linux-gnu-libgfortran3-cxx11.tar.gz
+      - shell: julia --color=yes --project=. {0}
+        run: |
+          import Cbc_jll
+          artifact_dir = Cbc_jll.artifact_dir
+          sha = last(splitpath(artifact_dir))
+          dir = escape_string(joinpath(ENV["GITHUB_WORKSPACE"], "products"))
+          content = "$sha = \"$(dir)\"\n"
+          write(replace(artifact_dir, sha => "Overrides.toml"), content)
+      - uses: julia-actions/julia-runtest@v1
\ No newline at end of file
diff --git a/.github/workflows/format_check.yml b/.github/workflows/format_check.yml.bak
similarity index 100%
rename from .github/workflows/format_check.yml
rename to .github/workflows/format_check.yml.bak