Add support for aarch64-apple-darwin (#234)

Author: odow

.github/workflows/ci.yml

@@ -15,14 +15,18 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.6', '1']  # Test against LTS and current minor release
+        version: ['1.10', '1']  # Test against LTS and current minor release
         os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
         include:
           # Also test against 32-bit Linux on LTS.
-          - version: '1.6'
+          - version: '1.10'
             os: ubuntu-latest
             arch: x86
+          # Test against Apple M-series
+          - version: '1'
+            os: macos-14
+            arch: aarch64
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2

.github/workflows/format_check.yml

@@ -18,7 +18,7 @@ jobs:
         shell: julia --color=yes {0}
         run: |
           using Pkg
-          Pkg.add(PackageSpec(name="JuliaFormatter", version="1"))
+          Pkg.add(PackageSpec(name="JuliaFormatter", version="2"))
           using JuliaFormatter
           format("src/MOI_wrapper", verbose=true)
           format("test", verbose=true)

Project.toml

@@ -1,17 +1,21 @@
 name = "Cbc"
 uuid = "9961bab8-2fa3-5c5a-9d89-47fab24efd76"
 repo = "https://github.com/jump-dev/Cbc.jl.git"
-version = "1.2.0"
+version = "1.3.0"
 
 [deps]
 Cbc_jll = "38041ee0-ae04-5750-a4d2-bb4d0d83d27d"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
+OpenBLAS32_jll = "656ef2d0-ae68-5445-9ca0-591084a874a2"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
-Cbc_jll = "=2.10.5, =200.1000.501, =200.1000.800"
+Cbc_jll = "=200.1000.1200"
+LinearAlgebra = "1"
 MathOptInterface = "1.7"
-julia = "1.6"
+OpenBLAS32_jll = "0.3.10"
+julia = "1.10"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/Cbc.jl

@@ -6,10 +6,16 @@
 module Cbc
 
 import Cbc_jll: libcbcsolver
+import LinearAlgebra
 import MathOptInterface as MOI
+import OpenBLAS32_jll
 import SparseArrays
 
 function __init__()
+    config = LinearAlgebra.BLAS.lbt_get_config()
+    if !any(lib -> lib.interface == :lp64, config.loaded_libs)
+        LinearAlgebra.BLAS.lbt_forward(OpenBLAS32_jll.libopenblas_path)
+    end
     version_str = unsafe_string(Cbc_getVersion())
     version = if version_str == "devel"
         # Support un-released versions of Cbc. These may differ in C API
@@ -19,18 +25,20 @@ function __init__()
         VersionNumber(version_str)
     end
     if !(v"2.10.0" <= version < v"2.11")
-        error("""
-        You have installed version $version of Cbc, which is not supported by
-        Cbc.jl We require Cbc version 2.10. After installing Cbc 2.10, run:
-
-            import Pkg
-            Pkg.rm("Cbc")
-            Pkg.add("Cbc")
-
-        If you have a newer version of Cbc installed, changes may need to be made
-        to the Julia code. Please open an issue at
-        https://github.com/jump-dev/Cbc.jl.
-        """)
+        error(
+            """
+            You have installed version $version of Cbc, which is not supported by
+            Cbc.jl We require Cbc version 2.10. After installing Cbc 2.10, run:
+
+                import Pkg
+                Pkg.rm("Cbc")
+                Pkg.add("Cbc")
+
+            If you have a newer version of Cbc installed, changes may need to be
+            made to the Julia code. Please open an issue at
+            https://github.com/jump-dev/Cbc.jl.
+            """,
+        )
     end
     return
 end