[T] gmsh is required at runtime for VerticalSliceFromLayers.

Test runs on envinf1.

Applications/Utils/MeshGeoTools/CMakeLists.txt

@@ -9,6 +9,8 @@ set(TOOLS
 )
 
 if(OGS_BUILD_GUI)
+    # Utility requires that GUI is build because it uses Qt-based functionality
+    # Also requires gmsh at runtime
     list(APPEND TOOLS VerticalSliceFromLayers)
 endif()
 

Applications/Utils/Tests.cmake

@@ -478,8 +478,8 @@ AddTest(
               SmallTest_Layer3.vtu
 )
 
-# Utility requires that GUI is build because it uses Qt-based functionality
-if(TARGET VerticalSliceFromLayers)
+# Tests requires gmsh
+if(TARGET VerticalSliceFromLayers AND GMSH)
     AddTest(
         NAME VerticalSliceFromLayers_Test
         PATH MeshGeoToolsLib/Ammer

scripts/cmake/Find.cmake

@@ -56,6 +56,8 @@ find_program(MODULE_CMD lmod PATHS /software/lmod/lmod/libexec)
 find_program(SNAKEMAKE snakemake HINTS ${LOCAL_VIRTUALENV_BIN_DIRS})
 find_program(PARSL parsl-visualize HINTS ${LOCAL_VIRTUALENV_BIN_DIRS})
 
+find_program(GMSH gmsh)
+
 ######################
 ### Find libraries ###
 ######################