test on macos too

.github/workflows/tests_nix.yml

@@ -9,7 +9,12 @@ concurrency:
 
 jobs:
     build-and-test:
-        runs-on: [ubuntu-22.04]
+        strategy:
+            fail-fast: false
+            matrix:
+              # macos-11 uses x86-64 machine, macos-14 uses aarch64  
+              os: [ macos-11, macos-14, ubuntu-22.04 ]
+        runs-on: ${{ matrix.os }}
         steps:
             - uses: actions/checkout@v3
 
@@ -22,7 +27,10 @@ jobs:
               with:
                   name: enigmaticsunrise
                   authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+
+            - name: print architecture
+              run: uname -m
 
             #  the result folder is produced by the previous step
             - name: Run all tests 
-              run: nix develop -c sh -c 'export ROC=roc && ./ci_scripts/all_tests.sh'
+              run: nix develop -c sh -c 'export ROC=roc && ./ci_scripts/all_tests.sh'

ci_scripts/all_tests.sh

@@ -69,9 +69,12 @@ expect ci_scripts/expect_scripts/MultipleRocFiles.exp
 $ROC build ./examples/EncodeDecode/main.roc
 expect ci_scripts/expect_scripts/EncodeDecode.exp
 
-$ROC build --lib ./examples/GoPlatform/main.roc --output examples/GoPlatform/platform/libapp.so
-go build -C examples/GoPlatform/platform -buildmode=pie -o dynhost
-$ROC preprocess-host ./examples/GoPlatform/main.roc
+#$ROC build --lib ./examples/GoPlatform/main.roc --output examples/GoPlatform/platform/libapp.so
+#go build -C examples/GoPlatform/platform -buildmode=pie -o dynhost
+#$ROC preprocess-host ./examples/GoPlatform/main.roc
+go build -C examples/GoPlatform/platform -buildmode=c-archive -o libhost.a
+cp examples/GoPlatform/platform/libhost.a examples/GoPlatform/platform/macos-arm64.a
+
 $ROC build --prebuilt-platform ./examples/GoPlatform/main.roc
 
 os_info=$(lsb_release -a 2>/dev/null)

ci_scripts/expect_scripts/DotNetPlatform.exp

@@ -1,7 +1,7 @@
 #!/usr/bin/expect
 
 # uncomment line below for debugging
-# exp_internal 1
+exp_internal 1
 
 set timeout 25
 

examples/GoPlatform/platform/main.go

@@ -1,7 +1,7 @@
 package main
 
 /*
-#cgo LDFLAGS: -L. -lapp
+#cgo CFLAGS: -Wno-main-return-type
 #include "./host.h"
 */
 import "C"
@@ -12,6 +12,7 @@ import (
 	"unsafe"
 )
 
+// export main
 func main() {
 	var str C.struct_RocStr
 	C.roc__mainForHost_1_exposed_generic(&str)