Add link flags for grpc armv7 wheels (attempt #2) (home-assistant#63521)

.github/workflows/wheels.yml

@@ -42,6 +42,10 @@ jobs:
             echo "GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=true"
             echo "GRPC_PYTHON_BUILD_WITH_CYTHON=true"
             echo "GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY=true"
+            # GRPC on armv7 needs -lexecinfo (issue #56669) since home assistant installs
+            # execinfo-dev when building wheels. The setup.py does not have an option for
+            # adding a single LDFLAG so copy all relevant linux flags here (as of 1.43.0)
+            echo "GRPC_PYTHON_LDFLAGS=-lpthread -Wl,-wrap,memcpy -static-libgcc -lexecinfo"
           ) > .env_file
 
       - name: Upload env_file
@@ -160,7 +164,7 @@ jobs:
           env-file: true
           apk: "build-base;cmake;git;linux-headers;libexecinfo-dev;bluez-dev;libffi-dev;openssl-dev;glib-dev;eudev-dev;libxml2-dev;libxslt-dev;libpng-dev;libjpeg-turbo-dev;tiff-dev;autoconf;automake;cups-dev;gmp-dev;mpfr-dev;mpc1-dev;ffmpeg-dev;gammu-dev;cargo"
           pip: "Cython;numpy;scikit-build"
-          skip-binary: aiohttp
+          skip-binary: aiohttp,grpcio
           constraints: "homeassistant/package_constraints.txt"
           requirements-diff: 'requirements_diff.txt'
           requirements: "requirements_all.txt"