Various CMake CI adjustments

Signed-off-by: Cristian Le <[email protected]>

Author: LecrisUT

.github/workflows/cmake.yml

@@ -23,7 +23,7 @@ on:
 env:
   CFLAGS: "-Wall -pedantic"
   FFLAGS: "-fcheck=all,no-bounds"
-  BUILD_TYPE: Release
+  CMAKE_BUILD_TYPE: Release
   MPIEXEC_PREFLAGS: "--oversubscribe"
 
 defaults:
@@ -67,14 +67,18 @@ jobs:
         cmake-version: ${{ matrix.cmake }}
 
     - name: CMake configuration
-      run: >
-        cmake -B build
-        -G Ninja
-        -D CMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-        -D CMAKE_INSTALL_PREFIX=${{github.workspace}}/scalapack_install
-        -D BUILD_SHARED_LIBS=ON
-        -D SCALAPACK_BUILD_TESTS=ON
-        -D MPIEXEC_PREFLAGS=${{env.MPIEXEC_PREFLAGS}}
+      # TODO: Use cmake presets for newer versions
+      # TODO: Simplify the defaults to not require configuration
+      run: |
+        # CMake<3.13 does not have -B option
+        mkdir build
+        cd build
+        cmake \
+          -G Ninja \
+          -DCMAKE_BUILD_TYPE=${{env.CMAKE_BUILD_TYPE}} \
+          -DBUILD_SHARED_LIBS=ON \
+          -DSCALAPACK_BUILD_TESTS=ON \
+          -DMPIEXEC_PREFLAGS=${{env.MPIEXEC_PREFLAGS}}
         
     - name: Build
       working-directory: ${{github.workspace}}/build
@@ -89,5 +93,10 @@ jobs:
         ctest -D ExperimentalTest --schedule-random --output-on-failure --timeout 180
         ctest -D ExperimentalSubmit
         
-    - name: Install
-      run: cmake --build build --target install
+    - name: Install (CMake < 3.15)
+      run: DESTDIR=scalapack_install cmake --build build --target install
+      if: ${{ matrix.cmake == '3.9' }}
+    - name: Install (CMake >= 3.15)
+      run: cmake --install build --prefix scalapack_install
+      if: ${{ matrix.cmake != '3.9' }}
+    # TODO: Separate the test suite to be able to test the actual install package