Minor tidyups

Author: will-v-pi

.github/workflows/build.yml

@@ -75,7 +75,7 @@ jobs:
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
-          name: tools-mac
+          name: tools-mac-arm64
           path: |
             bin/picotool-*-mac.zip
             bin/pico-sdk-tools-*-mac.zip
@@ -95,6 +95,7 @@ jobs:
     name: Build MacOS x64
     runs-on: 'macos-13'
     env:
+      # Universal picotool is built on arm64
       SKIP_PICOTOOL: 1
 
     steps:

packages/macos/riscv/build-riscv-gcc.sh

@@ -14,4 +14,4 @@ export GDB_TARGET_FLAGS_EXTRA
 cd riscv-gnu-toolchain
 ./configure --prefix=$BUILDDIR/$INSTALLDIR --with-arch=rv32ima_zicsr_zifencei_zba_zbb_zbs_zbkb_zca_zcb --with-abi=ilp32 --with-multilib-generator="rv32ima_zicsr_zifencei_zba_zbb_zbs_zbkb_zca_zcb-ilp32--;rv32imac_zicsr_zifencei_zba_zbb_zbs_zbkb-ilp32--"
 # 4 threads, as 8 threads runs out of memory
-gmake -j3
+gmake -j4