misc fixes

.github/workflows/macos_x86_64.yml

@@ -9,6 +9,7 @@ concurrency:
 
 env:
   RUST_BACKTRACE: 1
+  LLVM_SYS_160_PREFIX: $(brew --prefix llvm)
 
 jobs:
   test-rust-macos-x86-64:
@@ -16,13 +17,14 @@ jobs:
     timeout-minutes: 90
     env:
       RUSTC_WRAPPER: /Users/username1/.cargo/bin/sccache
-      ROC_ZIG: /Users/username1/Downloads/zig-macos-x86_64-0.11.0/zig
     steps:
       - uses: actions/checkout@v3
 
-      - run: |
-         zig version
-         $ROC_ZIG version
+      - name: Update PATH to use zig 11
+        run: |
+          echo "PATH=/Users/username1/Downloads/zig-macos-x86_64-0.11.0:$PATH" >> $GITHUB_ENV
+    
+      - run: zig version
 
       - name: test_gen llvm tests
         run: cargo nextest-gen-llvm --release --no-fail-fast --locked -E "package(test_gen) - test(gen_str::str_append_scalar)"

.github/workflows/nightly_linux_arm64.yml

@@ -10,15 +10,15 @@ jobs:
     name: build and package nightly release
     runs-on: [self-hosted, Linux, ARM64]
     timeout-minutes: 90
-    env:
-      ROC_ZIG: /home/username/Downloads/zig-linux-aarch64-0.11.0/zig
 
     steps:
       - uses: actions/checkout@v3
 
-      - run: |
-         zig version
-         $ROC_ZIG version
+      - name: Update PATH to use zig 11
+        run: |
+          echo "PATH=/home/username/Downloads/zig-linux-aarch64-0.11.0:$PATH" >> $GITHUB_ENV
+      
+      - run: zig version
 
       - name: create version.txt
         run: ./ci/write_version.sh

.github/workflows/nightly_linux_x86_64.yml

@@ -10,15 +10,15 @@ jobs:
     name: build and package nightly release
     runs-on: [self-hosted, i7-6700K]
     timeout-minutes: 90
-    env:
-      ROC_ZIG: /home/big-ci-user/Downloads/zig-linux-x86_64-0.11.0/zig
     
     steps:
       - uses: actions/checkout@v3
 
-      - run: |
-         zig version
-         $ROC_ZIG version
+      - name: Update PATH to use zig 11
+        run: |
+          echo "PATH=/home/big-ci-user/Downloads/zig-linux-x86_64-0.11.0:$PATH" >> $GITHUB_ENV
+      
+      - run: zig version
 
       - name: create version.txt
         run: ./ci/write_version.sh

.github/workflows/nightly_macos_apple_silicon.yml

@@ -10,14 +10,14 @@ jobs:
     name: Rust tests, build and package nightly release
     runs-on: [self-hosted, macOS, ARM64]
     timeout-minutes: 90
-    env:
-      ROC_ZIG: /Users/m1ci/Downloads/zig-macos-aarch64-0.11.0/zig
     steps:
       - uses: actions/checkout@v3
 
-      - run: |
-         zig version
-         $ROC_ZIG version
+      - name: Update PATH to use zig 11
+        run: |
+          echo "PATH=/Users/m1ci/Downloads/zig-macos-aarch64-0.11.0:$PATH" >> $GITHUB_ENV
+      
+      - run: zig version
 
       - name: llvm version
         run: llc --version | grep LLVM

.github/workflows/nightly_macos_x86_64.yml

@@ -10,14 +10,14 @@ jobs:
     name: build, test, package and upload nightly release
     runs-on: [self-hosted, macOS, X64]
     timeout-minutes: 120
-    env:
-      ROC_ZIG: /Users/username1/Downloads/zig-macos-x86_64-0.11.0/zig
     steps:
       - uses: actions/checkout@v3
 
-      - run: |
-         zig version
-         $ROC_ZIG version
+      - name: Update PATH to use zig 11
+        run: |
+          echo "PATH=/Users/username1/Downloads/zig-macos-x86_64-0.11.0:$PATH" >> $GITHUB_ENV
+      
+      - run: zig version
           
       - name: write version to file
         run: ./ci/write_version.sh

.github/workflows/ubuntu_x86_64.yml

@@ -17,7 +17,6 @@ jobs:
     timeout-minutes: 90
     env:
       RUSTC_WRAPPER: /home/small-ci-user/.cargo/bin/sccache
-      ROC_ZIG: /home/small-ci-user/Downloads/zig-linux-x86_64-0.11.0/zig
     steps:
       - uses: actions/checkout@v3
 
@@ -27,8 +26,6 @@ jobs:
       - name: Update PATH to use zig 11
         run: |
           echo "PATH=/home/small-ci-user/Downloads/zig-linux-x86_64-0.11.0:$PATH" >> $GITHUB_ENV
-
-      - run: echo $PATH
       
       - run: zig version