From 9c32d10ed4f1ba13cccd1027055647e615eed773 Mon Sep 17 00:00:00 2001
From: Xylar Asay-Davis <xylarstorm@gmail.com>
Date: Sat, 11 May 2024 13:52:56 -0600
Subject: [PATCH] Add recipe for gen_domain tools from CIME

---
 recipes/gen_domain/CMakeLists.txt         | 25 +++++++
 recipes/gen_domain/build.sh               | 17 +++++
 recipes/gen_domain/cmake/FindNETCDF.cmake | 79 +++++++++++++++++++++++
 recipes/gen_domain/cmake_macros/gnu.cmake | 33 ++++++++++
 recipes/gen_domain/meta.yaml              | 54 ++++++++++++++++
 5 files changed, 208 insertions(+)
 create mode 100644 recipes/gen_domain/CMakeLists.txt
 create mode 100644 recipes/gen_domain/build.sh
 create mode 100644 recipes/gen_domain/cmake/FindNETCDF.cmake
 create mode 100644 recipes/gen_domain/cmake_macros/gnu.cmake
 create mode 100644 recipes/gen_domain/meta.yaml

diff --git a/recipes/gen_domain/CMakeLists.txt b/recipes/gen_domain/CMakeLists.txt
new file mode 100644
index 0000000000000..4b79831786374
--- /dev/null
+++ b/recipes/gen_domain/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.18)
+project(
+   cime_gen_domain
+   VERSION $ENV{PKG_VERSION}
+   LANGUAGES Fortran)
+
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
+include("${CMAKE_SOURCE_DIR}/cmake_macros/gnu.cmake")
+
+find_package(NETCDF REQUIRED)
+
+message(STATUS "netcdf_c_incdir=${netcdf_c_incdir}")
+message(STATUS "netcdf_c_libs=${netcdf_c_libs}")
+message(STATUS "netcdf_f_incdir=${netcdf_f_incdir}")
+message(STATUS "netcdf_f_libs=${netcdf_f_libs}")
+
+SET(SRC ${CMAKE_SOURCE_DIR}/tools/mapping/gen_domain_files/src)
+
+include_directories(${netcdf_f_incdir})
+add_definitions(-DLINUX)
+add_executable(gen_domain ${SRC}/gen_domain.F90)
+target_link_libraries(gen_domain ${netcdf_f_libs})
+
+install(TARGETS gen_domain DESTINATION bin)
diff --git a/recipes/gen_domain/build.sh b/recipes/gen_domain/build.sh
new file mode 100644
index 0000000000000..23f1fd8421130
--- /dev/null
+++ b/recipes/gen_domain/build.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -x
+set -e
+
+cp -r ${RECIPE_DIR}/cmake ${RECIPE_DIR}/cmake_macros ${RECIPE_DIR}/CMakeLists.txt .
+
+rm -rf build
+mkdir build
+cd build
+cmake \
+  -D CMAKE_INSTALL_PREFIX="${PREFIX}" \
+  -D NETCDF_PATH="${PREFIX}" \
+  -D CMAKE_BUILD_TYPE=Release \
+  ..
+cmake --build .
+cmake --install .
diff --git a/recipes/gen_domain/cmake/FindNETCDF.cmake b/recipes/gen_domain/cmake/FindNETCDF.cmake
new file mode 100644
index 0000000000000..ff2d48648fbcc
--- /dev/null
+++ b/recipes/gen_domain/cmake/FindNETCDF.cmake
@@ -0,0 +1,79 @@
+# - Try to find Netcdf
+
+function(get_netcdf_libs ncpath nfpath)
+
+  set(ncconfig ${ncpath}/bin/nc-config)
+  set(nfconfig ${nfpath}/bin/nf-config)
+
+  # Get C libs
+  if (EXISTS ${ncconfig})
+    execute_process(COMMAND ${ncconfig} --libs OUTPUT_VARIABLE nclibs OUTPUT_STRIP_TRAILING_WHITESPACE)
+  endif()
+
+  # Fall back to find_library
+  if (NOT nclibs)
+    find_library(nclibs_temp netcdf REQUIRED HINTS ${ncpath}/lib ${ncpath}/lib64)
+    set(nclibs ${nclibs_temp})
+  endif()
+
+  # Get fortran libs
+  if (EXISTS ${nfconfig})
+    execute_process(COMMAND ${nfconfig} --flibs OUTPUT_VARIABLE nflibs OUTPUT_STRIP_TRAILING_WHITESPACE)
+  endif()
+
+  if (NOT nflibs)
+    find_library(nflibs_temp netcdff REQUIRED HINTS ${nfpath}/lib ${nfpath}/lib64)
+    set(nflibs ${nflibs_temp})
+  endif()
+
+  set(netcdf_c_libs ${nclibs} PARENT_SCOPE)
+  set(netcdf_f_libs ${nflibs} PARENT_SCOPE)
+endfunction()
+
+function(create_netcdf_target)
+
+  # Grab things from env
+  set(NETCDF_PATH         $ENV{NETCDF_PATH})
+  set(NETCDF_C_PATH       $ENV{NETCDF_C_PATH})
+  set(NETCDF_FORTRAN_PATH $ENV{NETCDF_FORTRAN_PATH})
+
+  if (NETCDF_C_PATH)
+    # Sanity checks
+    if (NOT NETCDF_FORTRAN_PATH)
+      message(FATAL_ERROR "NETCDF_C_PATH specified without NETCDF_FORTRAN_PATH")
+    endif()
+    if (NOT EXISTS ${NETCDF_C_PATH}/lib AND NOT EXISTS ${NETCDF_C_PATH}/lib64)
+      message(FATAL_ERROR "NETCDF_C_PATH does not contain a lib or lib64 directory")
+    endif ()
+    if (NOT EXISTS ${NETCDF_FORTRAN_PATH}/lib AND NOT EXISTS ${NETCDF_FORTRAN_PATH}/lib64)
+      message(FATAL_ERROR "NETCDF_FORTRAN_PATH does not contain a lib or lib64 directory")
+    endif ()
+
+    get_netcdf_libs(${NETCDF_C_PATH} ${NETCDF_FORTRAN_PATH})
+    find_path (netcdf_c_incdir netcdf.h REQUIRED HINTS ${NETCDF_C_PATH}/include)
+    find_path (netcdf_f_incdir netcdf.inc REQUIRED HINTS ${NETCDF_FORTRAN_PATH}/include)
+
+  elseif (NETCDF_FORTRAN_PATH)
+    message(FATAL_ERROR "NETCDF_FORTRAN_PATH specified without NETCDF_C_PATH")
+
+  elseif (NETCDF_PATH)
+    # Sanity checks
+    if (NOT EXISTS ${NETCDF_PATH}/lib AND NOT EXISTS ${NETCDF_PATH}/lib64)
+      message(FATAL_ERROR "NETCDF_PATH does not contain a lib or lib64 directory")
+    endif ()
+
+    get_netcdf_libs(${NETCDF_PATH} ${NETCDF_PATH})
+    find_path(netcdf_c_incdir netcdf.h REQUIRED HINTS ${NETCDF_PATH}/include)
+    find_path(netcdf_f_incdir netcdf.inc REQUIRED HINTS ${NETCDF_PATH}/include)
+
+  else()
+    message(FATAL_ERROR "NETCDF not found: Define NETCDF_PATH or NETCDF_C_PATH and NETCDF_FORTRAN_PATH in config_machines.xml or config_compilers.xml")
+  endif()
+
+  set(netcdf_c_incdir ${netcdf_c_incdir})
+  set(netcdf_f_incdir ${netcdf_f_incdir})
+  set(netcdf_c_libs ${netcdf_c_libs} PARENT_SCOPE)
+  set(netcdf_f_libs ${netcdf_f_libs} PARENT_SCOPE)
+  endfunction()
+
+create_netcdf_target()
diff --git a/recipes/gen_domain/cmake_macros/gnu.cmake b/recipes/gen_domain/cmake_macros/gnu.cmake
new file mode 100644
index 0000000000000..de86f98fc8bd9
--- /dev/null
+++ b/recipes/gen_domain/cmake_macros/gnu.cmake
@@ -0,0 +1,33 @@
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
+  string(APPEND CMAKE_C_FLAGS "-mcmodel=small")
+  string(APPEND CMAKE_Fortran_FLAGS "-mcmodel=small")
+elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "arm64")
+  string(APPEND CMAKE_C_FLAGS " -mcmodel=large")
+  string(APPEND CMAKE_Fortran_FLAGS " -mcmodel=large")
+else()
+  string(APPEND CMAKE_C_FLAGS "-mcmodel=medium")
+  string(APPEND CMAKE_Fortran_FLAGS "-mcmodel=medium")
+endif()
+string(APPEND CMAKE_Fortran_FLAGS " -fconvert=big-endian -ffree-line-length-none -ffixed-line-length-none")
+if (CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
+   string(APPEND CMAKE_Fortran_FLAGS " -fallow-argument-mismatch")
+endif()
+string(APPEND CPPDEFS " -DFORTRANUNDERSCORE -DNO_R16 -DCPRGNU")
+if (compile_threaded)
+  string(APPEND CMAKE_C_FLAGS " -fopenmp")
+  string(APPEND CMAKE_CXX_FLAGS " -fopenmp")
+  string(APPEND CMAKE_Fortran_FLAGS " -fopenmp")
+  string(APPEND CMAKE_EXE_LINKER_FLAGS " -fopenmp")
+endif()
+string(APPEND CMAKE_C_FLAGS_DEBUG " -g -Wall -fbacktrace -fcheck=bounds -ffpe-trap=invalid,zero,overflow")
+string(APPEND CMAKE_CXX_FLAGS_DEBUG " -g -Wall -fbacktrace")
+string(APPEND CMAKE_Fortran_FLAGS_DEBUG " -g -Wall -fbacktrace -fcheck=bounds,pointer -ffpe-trap=invalid,zero,overflow")
+string(APPEND CPPDEFS_DEBUG " -DYAKL_DEBUG")
+string(APPEND CMAKE_C_FLAGS_RELEASE " -O")
+string(APPEND CMAKE_CXX_FLAGS_RELEASE " -O")
+string(APPEND CMAKE_Fortran_FLAGS_RELEASE " -O")
+if (COMP_NAME STREQUAL csm_share)
+  string(APPEND CMAKE_C_FLAGS " -std=c99")
+endif()
+string(APPEND CMAKE_Fortran_FORMAT_FIXED_FLAG " -ffixed-form")
+string(APPEND CMAKE_Fortran_FORMAT_FREE_FLAG " -ffree-form")
diff --git a/recipes/gen_domain/meta.yaml b/recipes/gen_domain/meta.yaml
new file mode 100644
index 0000000000000..7c8ee859a2168
--- /dev/null
+++ b/recipes/gen_domain/meta.yaml
@@ -0,0 +1,54 @@
+{% set name = "cime_gen_domain" %}
+{% set version = "6.0.234" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  - url: https://github.com/ESMCI/cime/archive/refs/tags/cime{{ version }}.tar.gz
+    sha256: 9596339ac0dcec4d2b2817d526ea8eabc27bdfcd6903bd58a14add21f2f1afcd
+
+build:
+  skip: true  # [not linux]
+  number: 0
+
+requirements:
+  build:
+    - {{ compiler('fortran') }}
+    - {{ stdlib("c") }}
+    - cmake
+  host:
+    - hdf5
+    - hdf5 * nompi_*
+    - libnetcdf
+    - libnetcdf * nompi_*
+    - netcdf-fortran
+    - netcdf-fortran * nompi_*
+
+test:
+  requires:
+    - curl
+    - nccmp
+  commands:
+    - curl -O https://web.lcrc.anl.gov/public/e3sm/inputdata/cpl/gridmaps/IcoswISC30E3r5/map_IcoswISC30E3r5_to_ne30pg2_traave.20231121.nc
+    - curl -O https://web.lcrc.anl.gov/public/e3sm/inputdata/share/domains/domain.ocn.IcoswISC30E3r5.231121.nc
+    - curl -O https://web.lcrc.anl.gov/public/e3sm/inputdata/share/domains/domain.lnd.ne30pg2_IcoswISC30E3r5.231121.nc
+    - curl -O https://web.lcrc.anl.gov/public/e3sm/inputdata/share/domains/domain.ocn.ne30pg2_IcoswISC30E3r5.231121.nc
+    - gen_domain -o IcoswISC30E3r5 -l ne30pg2 -m map_IcoswISC30E3r5_to_ne30pg2_traave.20231121.nc
+    - nccmp -d -T 0.0 domain.ocn.IcoswISC30E3r5.*.nc
+    - nccmp -d -T 0.0 domain.lnd.ne30pg2_IcoswISC30E3r5.*.nc
+    - nccmp -d -T 0.0 domain.ocn.ne30pg2_IcoswISC30E3r5.*.nc
+
+about:
+  home: https://github.com/ESMCI/cime
+  license: NCSA
+  license_family: OTHER
+  license_file: LICENSE.TXT
+  summary: The gen_domain tool from Common Infrastructure for Modeling the Earth (CIME)
+  doc_url: http://esmci.github.io/cime
+  dev_url: https://github.com/ESMCI/cime
+
+extra:
+  recipe-maintainers:
+    - xylar