From 2ec5354a6ff2ba5e2740eabe7402186f29294f79 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Mon, 13 Sep 2021 23:21:25 +0200
Subject: [github-actions] macOS: build for arm64 too

---
 .github/workflows/build.yml | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8b155e1..f52bc14 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -83,7 +83,17 @@ jobs:
     - uses: actions/checkout@v2
     - name: autogen
       run: |
-          ./autogen.sh PKG_CONFIG_PATH=/usr/local/lib/pkgconfig \
+          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"
+          ./autogen.sh PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
     - name: make
       run: make
     - name: make install
-- 
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