fix bug of openblas library install fail (#2457)

* fix bug of openblas library install fail
Signed-off-by: Ncmli <chengming.li@zilliz.com>

* fix openblas install cmakelist error
Signed-off-by: Ncmli <chengming.li@zilliz.com>
Co-authored-by: Ncmli <chengming.li@zilliz.com>

CHANGELOG.md

@@ -24,6 +24,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#2399 The nlist set by the user may not take effect
 -   \#2403 MySQL max_idle_time is 10 by default
 -   \#2450 The deleted vectors may be found on GPU
+-   \#2456 openblas library install failed
 
 ## Feature
 

core/src/CMakeLists.txt

@@ -18,6 +18,7 @@ include_directories(${MILVUS_THIRDPARTY_SRC})
 include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-status)
 include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-milvus)
 
+set(FOUND_OPENBLAS "unknown")
 add_subdirectory(index)
 if (FAISS_WITH_MKL)
     add_compile_definitions("WITH_MKL")
@@ -333,10 +334,10 @@ install(FILES
         ${CMAKE_BINARY_DIR}/fiu_ep-prefix/src/fiu_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}fiu${CMAKE_SHARED_LIBRARY_SUFFIX}.1.00
         DESTINATION lib)
 
-if(EXISTS ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/)
+if (FOUND_OPENBLAS STREQUAL "false")
     install(FILES
-            ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}
-            ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}.0
-            ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}.0.3
-            DESTINATION lib)
+        ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}
+        ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}.0
+        ${CMAKE_BINARY_DIR}/src/index/openblas_ep-prefix/src/openblas_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}openblas${CMAKE_SHARED_LIBRARY_SUFFIX}.0.3
+        DESTINATION lib)
 endif()

core/src/index/cmake/FindOpenBLAS.cmake

@@ -67,6 +67,7 @@ else()
     endif()
 
     if (OpenBLAS_FOUND)
+        set(FOUND_OPENBLAS "true" PARENT_SCOPE)
         set(OpenBLAS_LIBRARIES ${OpenBLAS_LIB})
         STRING(REGEX REPLACE "/libopenblas.so" "" OpenBLAS_LIB_DIR ${OpenBLAS_LIBRARIES})
         message(STATUS "find OpenBLAS libraries:${OpenBLAS_LIBRARIES} ")
@@ -78,6 +79,7 @@ else()
             message(STATUS "Found OpenBLAS include: ${OpenBLAS_INCLUDE_DIR}")
         endif()
     else()
+        set(FOUND_OPENBLAS "false" PARENT_SCOPE)
         if (OpenBLAS_FIND_REQUIRED)
             message(FATAL_ERROR "Could not find OpenBLAS")
         endif()