Update default CMake option values

Author: fontanf

.github/workflows/build.yml

@@ -37,7 +37,7 @@ jobs:
       if: matrix.os == 'ubuntu-latest'
     - name: Build
       run: |
-        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCOLUMNGENERATIONSOLVER_USE_CLP=ON
         cmake --build build --config Release --parallel
         cmake --install build --config Release --prefix install
     - name: Run tests
@@ -49,7 +49,7 @@ jobs:
         git checkout main
     - name: Build
       run: |
-        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCOLUMNGENERATIONSOLVER_USE_CLP=ON
         cmake --build build --config Release --parallel
         cmake --install build --config Release --prefix install
     - name: Run tests

CMakeLists.txt

@@ -3,8 +3,8 @@ cmake_minimum_required(VERSION 3.15.0)
 project(ColumnGenerationSolver LANGUAGES CXX)
 
 # Solver options.
-option(COLUMNGENERATIONSOLVER_USE_CLP "Use CLP" ON)
-option(COLUMNGENERATIONSOLVER_USE_HIGHS "Use Highs" ON)
+option(COLUMNGENERATIONSOLVER_USE_CLP "Use CLP" OFF)
+option(COLUMNGENERATIONSOLVER_USE_HIGHS "Use Highs" OFF)
 option(COLUMNGENERATIONSOLVER_USE_CPLEX "Use CPLEX" OFF)
 option(COLUMNGENERATIONSOLVER_USE_XPRESS "Use Xpress" OFF)