Update Dockerfile.intel

Author: ZhouXY-PKU

Dockerfile.intel

@@ -176,6 +176,7 @@ RUN export LD_LIBRARY_PATH=${SUPERLU_DIST32_ROOT}/lib:${METIS32_ROOT}/lib:${PARM
 # Clone and build abacus (optional during image build; keep for CI image)
 ADD https://api.github.com/repos/deepmodeling/abacus-develop/git/refs/heads/develop /dev/null
 RUN export LD_LIBRARY_PATH=${GKLIB_ROOT}/lib:${METIS32_ROOT}/lib:${PARMETIS32_ROOT}/lib:${SUPERLU32_DIST_ROOT}/lib:${PEXSI32_ROOT}/lib:${LD_LIBRARY_PATH} && \
+    export PKG_CONFIG_PATH=${GKLIB_ROOT}/lib/pkgconfig:${METIS32_ROOT}/lib/pkgconfig:${PARMETIS32_ROOT}/lib/pkgconfig:${SUPERLU32_DIST_ROOT}/lib/pkgconfig:${PEXSI32_ROOT}/lib/pkgconfig:${PKG_CONFIG_PATH} && \
     export CPATH=${GKLIB_ROOT}/include:${METIS32_ROOT}/include:${PARMETIS32_ROOT}/include:${SUPERLU32_DIST_ROOT}/include:${PEXSI32_ROOT}/include:${CPATH} && \
     export CMAKE_PREFIX_PATH=${PEXSI32_ROOT}:${SUPERLU_DIST32_ROOT}:${PARMETIS32_ROOT}:${METIS32_ROOT}:${GKLIB_ROOT}:${CMAKE_PREFIX_PATH} && \
     cd /tmp && git clone https://github.com/deepmodeling/abacus-develop.git --depth 1 && \