install nasm

Author: sdcb

.github/workflows/opencv.yml

@@ -106,7 +106,7 @@ jobs:
         if [[ "${{ matrix.os }}" == "centos.7" ]]; then
           script=$(
             cat <<'EOS'
-            yum install -y gcc cmake3 gcc-c++ make
+            yum install -y gcc cmake3 gcc-c++ make nasm
             ln -s /usr/bin/cmake3 /usr/bin/cmake
         EOS
           )
@@ -126,8 +126,10 @@ jobs:
           elif [[ ${{ matrix.os }} == "centos.7" ]]; then
             EXTRA_FLAGS+=" -DCMAKE_C_FLAGS='-std=gnu99'"
             if [[ "${{ matrix.arch }}" == "arm64" ]]; then
+              echo "::group::Disable NEON in libwebp for CentOS 7 ARM64"
               sed -i 's/\<WEBP_USE_NEON\>/WEBP_USE_NEON_DISABLED/' opencv/3rdparty/libwebp/src/dsp/yuv_neon.c
               cat opencv/3rdparty/libwebp/src/dsp/yuv_neon.c
+              echo "::endgroup::"
             fi
           fi