From c06ae5601513a0c2a89fae80bd8a38faea12741b Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 9 Jun 2021 02:33:16 +0200
Subject: [github-actions] macOS: Build arm64 _and_ x86_64

---
 .github/workflows/build.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ecd5219..8cef57b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,6 +30,16 @@ jobs:
     - uses: actions/checkout@v2
     - name: autogen
       run: |
+          SDKDIR=`xcrun --sdk macosx --show-sdk-path`
+          TESTARCHS="arm64 x86_64"
+          USEARCHS=
+          for ARCH in $TESTARCHS; do
+            if echo "int main(int argc, char **argv) { return 0; }" |clang -arch $ARCH -o /dev/null -isysroot $SDKDIR -x c - 2>/dev/null; then
+              USEARCHS="$USEARCHS -arch $ARCH"
+            fi
+          done
+          export CFLAGS="$USEARCHS -isysroot $SDKDIR"
+          echo "Using CFLAGS: $CFLAGS"
           export PATH="$PATH:/Library/Frameworks/Python.framework/Versions/2.7/bin"
           export LIBS="-L/Library/Frameworks/Python.framework/Versions/2.7/lib"
           export PYTHON_EXTRA_LDFLAGS="-u _PyMac_Error /System/Library/Frameworks/Python.framework/Versions/2.7/Python"
-- 
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