From 1dcf47f0f612ddf05baa226da460304867296930 Mon Sep 17 00:00:00 2001
From: Soren Rasmussen <s.c.rasmussen@gmail.com>
Date: Fri, 13 Dec 2024 14:04:32 -0700
Subject: [PATCH] Modifications for building src directory with WRF CMake build
 system

---
 src/CMakeLists.txt             | 34 ++++++++++++++++++++++++++++++++++
 src/CPL/WRF_cpl/CMakeLists.txt | 25 +++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 src/CPL/WRF_cpl/CMakeLists.txt

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ed12b2dd2..52007c4bf 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,3 +1,15 @@
+if(${PROJECT_NAME} STREQUAL "WRF")
+        # additions that WRF-Hydro's top CMakeLists.txt handles
+        add_compile_options( "${PROJECT_COMPILE_OPTIONS}" )
+        add_compile_definitions( "${PROJECT_COMPILE_DEFINITIONS}" )
+        set(CMAKE_Fortran_MODULE_DIRECTORY ${PROJECT_BINARY_DIR}/hydro/mods)
+        add_definitions(-DMPP_LAND)
+        if (WRF_HYDRO_NUDGING STREQUAL "1")
+                add_definitions(-DWRF_HYDRO_NUDGING=1)
+        endif()
+endif()
+
+
 # build the various sup-projects
 add_subdirectory("MPP")
 add_subdirectory("utils")
@@ -10,6 +22,9 @@ add_subdirectory("Routing/Reservoirs")
 add_subdirectory("Data_Rec")
 add_subdirectory("Routing")
 add_subdirectory("HYDRO_drv")
+if(${PROJECT_NAME} STREQUAL "WRF")
+        add_subdirectory("CPL/WRF_cpl")
+endif()
 
 if (WRF_HYDRO_NUDGING STREQUAL "1")
         add_subdirectory("nudging")
@@ -195,6 +210,25 @@ elseif (HYDRO_LSM MATCHES "Noah")
                 COMMAND rm ${PROJECT_BINARY_DIR}/src/wrfhydro.exe
         )
 
+elseif(${PROJECT_NAME} STREQUAL "WRF")
+        add_library(wrfhydro INTERFACE)
+        target_link_libraries(wrfhydro INTERFACE
+                hydro_utils
+                hydro_mpp
+                hydro_debug_utils
+                hydro_routing_overland
+                hydro_routing_subsurface
+                hydro_data_rec
+                hydro_routing
+                hydro_routing_reservoirs_levelpool
+                hydro_routing_reservoirs_hybrid
+                hydro_routing_reservoirs_rfc
+                hydro_routing_reservoirs
+                hydro_wrf_cpl
+                hydro_orchestrator
+                hydro_netcdf_layer
+                hydro_driver
+        )
 else()
         message("Unknown land surface model:" ${HYDRO_LSM} )
 endif()
diff --git a/src/CPL/WRF_cpl/CMakeLists.txt b/src/CPL/WRF_cpl/CMakeLists.txt
new file mode 100644
index 000000000..914191ba5
--- /dev/null
+++ b/src/CPL/WRF_cpl/CMakeLists.txt
@@ -0,0 +1,25 @@
+add_library(hydro_wrf_cpl STATIC
+        wrf_drv_HYDRO.F90
+        module_wrf_HYDRO.F90
+)
+
+add_dependencies(hydro_wrf_cpl
+        hydro_mpp
+        hydro_utils
+        hydro_debug_utils
+        hydro_data_rec
+        hydro_driver
+        hydro_orchestrator
+        ${PROJECT_NAME}_Core
+        MPI::MPI_Fortran
+)
+
+target_include_directories(hydro_wrf_cpl
+        PRIVATE
+        $<TARGET_PROPERTY:${PROJECT_NAME}_Core,Fortran_MODULE_DIRECTORY>
+        $<TARGET_PROPERTY:esmf_time_f90,Fortran_MODULE_DIRECTORY>
+)
+
+target_include_directories(hydro_wrf_cpl PUBLIC
+        ${MPI_Fortran_MODULE_DIR}
+)