Remove stringop-truncation warnings when building libzmq

Author: cacharle

.github/workflows/ci.yml

@@ -112,7 +112,9 @@ jobs:
           -DWITH_PERF_TOOL=OFF \
           -DZMQ_BUILD_TESTS=OFF \
           -DCMAKE_BUILD_TYPE=Release \
-          -DENABLE_DRAFTS=${{ matrix.drafts }}
+          -DENABLE_DRAFTS=${{ matrix.drafts }} \
+          -DCMAKE_CXX_FLAGS="-Wno-error=stringop-truncation" \
+          -DCMAKE_C_FLAGS="-Wno-error=stringop-truncation"
         cmake --build libzmq-build --config ${BUILDTYPE} -j ${THREADS}
         echo "LIBZMQ=${PWD}/libzmq-build" >> ${GITHUB_ENV}