Add config for getm, does not work since gotm does not...

Author: platipodium

CMakeLists.txt

@@ -28,8 +28,9 @@ endif()
 # Options for third-party packages that we an link into
 option(USE_HAMSOM "Enable HAMSOM-based drivers" OFF)
 option(USE_CMAQ "Enable CMAQ-based drivers" OFF)
-option(USE_GETM "Enable GETM-based drivers" ON)
-option(USE_GOTM "Enable GOTM-based drivers" ON)
+option(USE_GETM "Enable GETM-based drivers" OFF)
+option(USE_SCHISM "Enable SCHISM drivers" OFF)
+option(USE_GOTM "Enable GOTM-based drivers" OFF)
 option(USE_FABM "Enable FABM-based drivers" ON)
 option(USE_EROSED "Enable EROSED-related drivers (biotypes, benthoseffect_class)" OFF)
 
@@ -64,17 +65,57 @@ if(USE_FABM)
     endif()
 
     set(FABM_FORCED_HOST mossco)
-    cmake_policy(PUSH)
-    cmake_policy(VERSION 3.5)  
     add_subdirectory("${FABM_SOURCE_DIR}" external/fabm/code)
-    cmake_policy(POP)
     mark_as_advanced(CLEAR FABM_BASE)
   endif()
 endif()
 
+# The GOTM part does not work as it runs into recursion issues.
+if(USE_GOTM)
+  mark_as_advanced(FORCE GOTM_PREFIX GOTM_BASE)
+
+  if(GOTM_PREFIX)
+    find_package(gotm REQUIRED CONFIG HINTS "${GOTM_PREFIX}" NO_DEFAULT_PATH)
+    mark_as_advanced(CLEAR GOTM_PREFIX)
+  else()
+    # Determine GOTM_BASE
+    if(NOT DEFINED GOTM_BASE)
+      if(DEFINED ENV{GOTM_BASE})
+        set(GOTM_BASE $ENV{GOTM_BASE})
+      else()
+        set(GOTM_BASE "${CMAKE_CURRENT_LIST_DIR}/external/gotm/code")
+      endif()
+    endif()
+
+    message(STATUS "Using GOTM_BASE=${GOTM_BASE}")
+
+    # Use separate variable to locate GOTM source
+    find_path(GOTM_SOURCE_DIR src/gotm/gotm.F90
+      HINTS "${GOTM_BASE}"
+      DOC "Path to GOTM source directory."
+      NO_CMAKE_FIND_ROOT_PATH
+    )
 
+    if(NOT GOTM_SOURCE_DIR)
+      message(FATAL_ERROR "Could not find GOTM source at or near ${GOTM_BASE}")
+    endif()
+
+    # Safely set policy for variable overrides
+    cmake_policy(PUSH)
+    cmake_policy(SET CMP0079 NEW)
+
+    set(GOTM_USE_FABM NOT ${USE_FABM} CACHE BOOL "Toggle FABM in GOTM" FORCE)
+
+    add_subdirectory("${GOTM_SOURCE_DIR}" external/gotm/code)
+
+    cmake_policy(POP)
+
+    mark_as_advanced(CLEAR GOTM_BASE)
+  endif()
+endif()
 
 
+include(ConfigureGETM)
 
 include(GitVersion)
 include(FindESMF)

cmake/ConfigureGETM.cmake

@@ -0,0 +1,76 @@
+# ConfigureGETM.cmake - Complete GETM configuration and integration
+# Usage: include(ConfigureGETM)
+#        configure_getm()
+# 
+# Required variables:
+#   USE_GETM - Boolean to enable GETM
+#   USE_FABM - Boolean for FABM configuration (used to toggle GETM_USE_FABM)
+#
+# Optional variables:
+#   GETM_PREFIX - Path to pre-built GETM installation
+#   GETM_BASE - Path to GETM source base directory
+
+function(configure_getm)
+    if(NOT USE_GETM)
+        return()
+    endif()
+    
+    mark_as_advanced(FORCE GETM_PREFIX GETM_BASE)
+    
+    if(GETM_PREFIX)
+        find_package(GETM REQUIRED CONFIG HINTS "${GETM_PREFIX}" NO_DEFAULT_PATH)
+        mark_as_advanced(CLEAR GETM_PREFIX)
+    else()
+        # Determine GETM_BASE
+        if(NOT DEFINED GETM_BASE)
+            if(DEFINED ENV{GETM_BASE})
+                set(GETM_BASE $ENV{GETM_BASE})
+            else()
+                set(GETM_BASE "${CMAKE_CURRENT_LIST_DIR}/external/getm/code")
+            endif()
+        endif()
+        message(STATUS "Using GETM_BASE=${GETM_BASE}")
+        
+        # Use separate variable to locate GETM source
+        find_path(GETM_SOURCE_DIR src/getm/main.F90
+            HINTS "${GETM_BASE}"
+            DOC "Path to GETM source directory."
+            NO_CMAKE_FIND_ROOT_PATH
+        )
+        
+        if(NOT GETM_SOURCE_DIR)
+            message(FATAL_ERROR "Could not find GETM source at or near ${GETM_BASE}")
+        endif()
+        
+        set(GETM_USE_FABM NOT ${USE_FABM} CACHE BOOL "Toggle FABM in GETM" FORCE)
+        
+        # Determine the directory containing the CMakeLists.txt for GETM
+        set(GETM_CMAKE_DIR "")
+        set(GETM_BINARY_DIR "external/getm/code")
+        
+        # Check if CMakeLists.txt exists in the root of GETM_SOURCE_DIR
+        if(EXISTS "${GETM_SOURCE_DIR}/CMakeLists.txt")
+            set(GETM_CMAKE_DIR "${GETM_SOURCE_DIR}")
+            message(STATUS "Found GETM CMakeLists.txt in root: ${GETM_SOURCE_DIR}")
+        # Check if CMakeLists.txt exists in the src subdirectory
+        elseif(EXISTS "${GETM_SOURCE_DIR}/src/CMakeLists.txt")
+            set(GETM_CMAKE_DIR "${GETM_SOURCE_DIR}/src")
+            set(GETM_BINARY_DIR "external/getm/code/src")
+            message(STATUS "Found GETM CMakeLists.txt in src: ${GETM_SOURCE_DIR}/src")
+        else()
+            message(FATAL_ERROR "Could not find CMakeLists.txt in GETM source directory: ${GETM_SOURCE_DIR}")
+        endif()
+        
+        # Add the subdirectory with the correct paths
+        add_subdirectory("${GETM_CMAKE_DIR}" "${GETM_BINARY_DIR}")
+        
+        mark_as_advanced(CLEAR GETM_BASE)
+    endif()
+endfunction()
+
+# Convenience macro that calls the function if USE_GETM is set
+macro(configure_getm_if_enabled)
+    if(USE_GETM)
+        configure_getm()
+    endif()
+endmacro()