respect _ROOT in search order

Author: galabovaa

.github/workflows/hipo-win.yml

@@ -56,7 +56,7 @@ jobs:
         shell: pwsh
         working-directory: ${{runner.workspace}}/build
         run: |
-          & ".\Release\bin\highs.exe" --solver=hipo `
+          & ".\${{ matrix.config }}\bin\highs.exe" --solver=hipo `
           "$env:GITHUB_WORKSPACE/check/instances/afiro.mps"
 
       - name: Ctest

check/TestLpSolvers.cpp

@@ -531,6 +531,7 @@ TEST_CASE("choose-lp-solver", "[highs_lp_solver]") {
   REQUIRE(h.getInfo().pdlp_iteration_count > 0);
 
   REQUIRE(h.setOptionValue(kSolverString, kIpmString) == HighsStatus::kOk);
+  h.setOptionValue("output_flag", true);
   h.run();
   REQUIRE(h.getInfo().ipm_iteration_count > 0);
 

cmake/FindHipoDeps.cmake

@@ -3,34 +3,53 @@ set(BLAS_ROOT "" CACHE STRING "Root directory of BLAS or OpenBLAS")
 message(STATUS "BLAS_ROOT is " ${BLAS_ROOT})
 
 if (WIN32)
-    find_package(OpenBLAS CONFIG REQUIRED) 
+    find_package(OpenBLAS CONFIG REQUIRED)
     message(STATUS "OpenBLAS CMake config path: ${OpenBLAS_DIR}")
 elseif(NOT APPLE)
     # LINUX
-    find_library(OPENBLAS_LIB 
-        NAMES openblas 
-        HINTS "${BLAS_ROOT}/lib")
-
-    if(OPENBLAS_LIB)
-        message("Found OpenBLAS library at ${OPENBLAS_LIB}")
-
-    else(OPENBLAS_LIB)
-        find_library(BLAS_LIB 
-            NAMES blas HINTS 
-            "${BLAS_ROOT}/lib")
-
-        if(NOT BLAS_LIB)
-            message(FATAL_ERROR "No BLAS library found")
-        endif(NOT BLAS_LIB)
-        message("Found BLAS library at ${BLAS_LIB}")
-    endif(OPENBLAS_LIB)
+
+    # If a BLAS install was specified try to use it first.
+    if (NOT (BLAS_ROOT STREQUAL ""))
+        message(STATUS "Looking for blas CMake targets file in " ${BLAS_ROOT})
+        find_package(OpenBLAS CONFIG NO_DEFAULT_PATH)
+    else()
+        find_package(OpenBLAS CONFIG)
+    endif()
+
+    if(OpenBLAS_FOUND)
+        message(STATUS "OpenBLAS CMake config path: ${OpenBLAS_DIR}")
+    else()
+        find_library(OPENBLAS_LIB
+            NAMES openblas
+            HINTS "${BLAS_ROOT}/lib")
+
+        if(OPENBLAS_LIB)
+            message("Found OpenBLAS library at ${OPENBLAS_LIB}")
+        else()
+            find_library(BLAS_LIB
+                NAMES blas HINTS
+                "${BLAS_ROOT}/lib")
+
+            if(BLAS_LIB)
+                message("Found BLAS library at ${BLAS_LIB}")
+            else()
+                message(FATAL_ERROR "No BLAS library found")
+            endif()
+        endif()
+    endif()
 endif()
 
 # METIS
 set(METIS_ROOT "" CACHE STRING "Root directory of METIS")
 message(STATUS "METIS_ROOT is " ${METIS_ROOT})
 
-find_package(metis CONFIG)
+# If a METIS install was specified try to use it first.
+if (NOT (METIS_ROOT STREQUAL ""))
+    message(STATUS "Looking for METIS CMake targets file in " ${METIS_ROOT})
+    find_package(metis CONFIG NO_DEFAULT_PATH)
+else()
+    find_package(metis CONFIG)
+endif()
 
 if(metis_FOUND)
     message(STATUS "metis CMake config path: ${metis_DIR}")
@@ -49,15 +68,29 @@ else()
         PATHS "${METIS_ROOT}/lib" "${METIS_ROOT}/bin"
         NO_DEFAULT_PATH)
 
-    message("Found Metis library at ${METIS_LIB}")
+    if(METIS_LIB)
+        message("Found Metis library at ${METIS_LIB}")
+    else()
+        # METIS_ROOT was not successful
+        message("Metis not found in METIS_PATH, fallback to default search.")
+        if (NOT (METIS_ROOT STREQUAL ""))
+            find_package(metis CONFIG)
+
+            if (metis_FOUND)
+                message(STATUS "metis CMake config path: ${metis_DIR}")
+            else()
+                message(FATAL_ERROR "No Metis library found")
+            endif()
+        endif()
+    endif()
 endif()
 
 # GKlib optional for newer versions on ubuntu and macos
 set(GKLIB_ROOT "" CACHE STRING "Root directory of GKlib")
 if (NOT (GKLIB_ROOT STREQUAL ""))
     message(STATUS "GKLIB_ROOT is " ${GKLIB_ROOT})
 
-    find_package(GKlib CONFIG)
+    find_package(GKlib CONFIG NO_DEFAILT_PATH)
 
     if(GKlib_FOUND)
         message(STATUS "gklib CMake config path: ${GKlib_DIR}")
@@ -91,6 +124,18 @@ if (NOT (GKLIB_ROOT STREQUAL ""))
             PATHS "${GKLIB_ROOT}/lib"
             NO_DEFAULT_PATH)
 
-        message("Found GKlib library at ${GKLIB_LIB}")
+        if(GKLIB_LIB)
+            message("Found GKlib library at ${GKLIB_LIB}")
+        else()
+            # GKLIB_ROOT was not successful
+            message("GKlib not found in GKLIB_PATH, fallback to default search.")
+            find_package(GKlib CONFIG)
+
+            if (GKlib_FOUND)
+                message(STATUS "GKlib CMake config path: ${GKlib_DIR}")
+            else()
+                message(FATAL_ERROR "No GKLib library found")
+            endif()
+        endif()
     endif()
 endif()

highs/CMakeLists.txt

@@ -192,17 +192,20 @@ else()
     elseif(WIN32)
         target_link_libraries(highs OpenBLAS::OpenBLAS)
         target_compile_definitions(highs PRIVATE HIPO_USES_OPENBLAS)
-    else() 
+    else()
         # LINUX
-        if(BLAS_LIB)
-            target_link_libraries(highs "${BLAS_LIB}")
+        if(OpenBLAS_FOUND)
+          target_link_libraries(highs OpenBLAS::OpenBLAS)
+          target_compile_definitions(highs PRIVATE HIPO_USES_OPENBLAS)
         elseif(OPENBLAS_LIB)
             target_link_libraries(highs "${OPENBLAS_LIB}")
             target_compile_definitions(highs PRIVATE HIPO_USES_OPENBLAS)
+        elseif(BLAS_LIB)
+            target_link_libraries(highs "${BLAS_LIB}")
         else()
             message(FATAL_ERROR "No BLAS library available")
-        endif(BLAS_LIB)
-    endif(APPLE)
+        endif()
+    endif()
 
     if(metis_FOUND)
       target_link_libraries(highs metis)