fetch openblas, link and add to export set: linux OK

Author: galabovaa

cmake/FindHipoDeps.cmake

@@ -20,6 +20,25 @@ if (BUILD_OPENBLAS)
     FetchContent_MakeAvailable(openblas)
     list(POP_BACK CMAKE_MESSAGE_INDENT)
     message(CHECK_PASS "fetched")
+
+    if (TARGET openblas)
+        get_target_property(_openblas_aliased openblas ALIASED_TARGET)
+        if(_openblas_aliased)
+            set(_openblas_target ${_openblas_aliased})
+            message(STATUS "OpenBLAS is an alias for: ${_openblas_target}")
+        else()
+            set(_openblas_target openblas)
+        endif()
+    elseif (TARGET openblas_static)
+        set(_openblas_target openblas_static)
+    elseif (TARGET openblas_shared)
+        set(_openblas_target openblas_shared)
+    else()
+        message(FATAL_ERROR "OpenBLAS target not found")
+    endif()
+    message(STATUS "OpenBLAS target: ${_openblas_target}")
+
+    return()
 endif()
 
 # Find BLAS

cmake/cpp-highs.cmake

@@ -56,7 +56,7 @@ install(TARGETS highs
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-      
+
 if (NOT HIGHS_COVERAGE)
   # Add library targets to the build-tree export set
   export(TARGETS highs
@@ -71,7 +71,7 @@ if (CUPDLP_GPU)
       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-      
+
   if (NOT HIGHS_COVERAGE)
     # Add library targets to the build-tree export set
     export(TARGETS cudalin
@@ -80,6 +80,22 @@ if (CUPDLP_GPU)
   endif()
 endif()
 
+if (BUILD_OPENBLAS)
+  install(TARGETS ${_openblas_target}
+      EXPORT ${lower}-targets
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+
+  if (NOT HIGHS_COVERAGE)
+    # Add library targets to the build-tree export set
+    export(TARGETS ${_openblas_target}
+      NAMESPACE ${PROJECT_NAMESPACE}::
+      APPEND FILE "${HIGHS_BINARY_DIR}/highs-targets.cmake")
+  endif()
+endif()
+
 if (NOT HIGHS_COVERAGE)
   install(EXPORT ${lower}-targets
     NAMESPACE ${PROJECT_NAMESPACE}::
@@ -91,10 +107,10 @@ endif()
 if(ZLIB AND ZLIB_FOUND)
   set(CONF_Z "find_dependency(ZLIB)")
   set(CONF_ZLIB ${CONF_Z})
-else() 
+else()
   set(CONF_ZLIB "")
 endif()
-    
+
 
 include(CMakePackageConfigHelpers)
 string (TOUPPER "${PROJECT_NAME}" PACKAGE_PREFIX)

highs/CMakeLists.txt

@@ -214,6 +214,9 @@ else()
           elseif(OPENBLAS_LIB)
               target_link_libraries(highs PRIVATE "${OPENBLAS_LIB}")
               target_compile_definitions(highs PRIVATE HIPO_USES_OPENBLAS)
+          elseif(BUILD_OPENBLAS)
+              target_link_libraries(highs PRIVATE openblas)
+              target_compile_definitions(highs PRIVATE HIPO_USES_OPENBLAS)
           else()
               message(FATAL_ERROR "No BLAS library available")
           endif(BLAS_LIB)