build swig

Author: phearnot

.github/workflows/publish.yml

@@ -29,7 +29,7 @@ jobs:
         include:
           - platform: darwin
             os: macos-14
-            brew-packages: https://raw.githubusercontent.com/Homebrew/homebrew-core/d68a6bc0fa0fe84d4ab40a7df228a2b9bc48bc37/Formula/s/swig.rb
+            brew-packages: autoconf
             cmd: ./run.me
           - platform: darwin
             arch: x86-64
@@ -56,6 +56,22 @@ jobs:
               cl /nologo /MT /LD /O2 /W3 /wd4267 /EHsc /D_CRT_SECURE_NO_WARNINGS /I "$env:JAVA_HOME\include" /I ..\ /I "$env:JAVA_HOME\include\win32" blst_wrap.cpp blst.lib /link /OUT:supranational/blst/Windows/amd64/blst.dll
 
     steps:
+      - if: matrix.brew-packages != ''
+        run: brew install ${{ matrix.brew-packages }}
+      - uses: actions/checkout@v6
+        with:
+          repository: swig/swig
+          path: swig
+          ref: v4.2.1
+      - run: |
+          cd swig
+          ./autogen.sh
+          ./configure --prefix=$HOME/swig
+          make
+          make install
+          cd ~/swig/share/swig && ln -s `ls` current
+          echo "$HOME/swig/bin" >> $GITHUB_PATH
+      - run: swig --version
       - uses: actions/checkout@v6
         with:
           repository: supranational/blst
@@ -68,8 +84,6 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y ${{ matrix.extra-packages }}
-      - if: matrix.brew-packages != ''
-        run: brew install ${{ matrix.brew-packages }}
       - if: matrix.os == 'windows-2022'
         uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756
       - name: Build native image