fix bug when build openblas with a computer that has installed openblas...

fix bug when build openblas with a computer that has installed openblas before,test=develop (#21160)

cmake/cblas.cmake

@@ -14,7 +14,7 @@
 
 # Find the CBlas and lapack libraries
 #
-# It will search MKLML, atlas, OpenBlas, reference-cblas in order.
+# It will search MKLML, OpenBlas, reference-cblas, extern-openblas in order.
 #
 # If any cblas implementation found, the following variable will be set.
 #    CBLAS_PROVIDER  # one of MKLML, OPENBLAS, REFERENCE

cmake/inference_lib.cmake

@@ -75,7 +75,8 @@ copy(inference_lib_dist
         SRCS ${DLPACK_INCLUDE_DIR}/dlpack
         DSTS ${dst_dir})
 
-if(WITH_MKLML)
+
+if(${CBLAS_PROVIDER} STREQUAL MKLML)
     set(dst_dir "${FLUID_INFERENCE_INSTALL_DIR}/third_party/install/mklml")
     if(WIN32)
         copy(inference_lib_dist
@@ -88,12 +89,12 @@ if(WITH_MKLML)
                 SRCS ${MKLML_LIB} ${MKLML_IOMP_LIB} ${MKLML_INC_DIR}
                 DSTS ${dst_dir}/lib ${dst_dir}/lib ${dst_dir})
     endif()
-elseif (NOT CBLAS_FOUND OR WIN32)
+elseif(${CBLAS_PROVIDER} STREQUAL EXTERN_OPENBLAS)
     set(dst_dir "${FLUID_INFERENCE_INSTALL_DIR}/third_party/install/openblas")
         copy(inference_lib_dist
                 SRCS ${CBLAS_INSTALL_DIR}/lib ${CBLAS_INSTALL_DIR}/include
                 DSTS ${dst_dir} ${dst_dir})
-endif ()
+endif()
 
 if(WITH_MKLDNN)
     set(dst_dir "${FLUID_INFERENCE_INSTALL_DIR}/third_party/install/mkldnn")

cmake/third_party.cmake

@@ -116,8 +116,7 @@ endif()
 include(cblas)              	# find first, then download, build, install openblas
 if(${CBLAS_PROVIDER} STREQUAL MKLML)
     list(APPEND third_party_deps extern_mklml)
-endif()
-if(${CBLAS_PROVIDER} STREQUAL EXTERN_OPENBLAS)
+elseif(${CBLAS_PROVIDER} STREQUAL EXTERN_OPENBLAS)
     list(APPEND third_party_deps extern_openblas)
 endif()