Merge pull request #2969 from trey-ornl/trey/cime_config/frontier-gnu

Move Frontier build to gfortran and latest rocm

Author: AaronDonahue

cime_config/machines/Depends.crusher-gpu.crayclang.cmake

@@ -0,0 +1,42 @@
+set(MPICC "cc")
+set(MPICXX "hipcc") # Needs MPICH_CXX to use hipcc
+set(MPIFC "ftn") # Linker needs to be the Cray wrapper ftn, not mpif90
+set(SCC "cc")
+set(SCXX "hipcc")
+set(SFC "ftn")
+
+string(APPEND CPPDEFS " -DLINUX -DFORTRANUNDERSCORE -DNO_R16 -DCPRGNU -DSCREAM_SYSTEM_WORKAROUND_P3_PART2")
+if (COMP_NAME STREQUAL gptl)
+    string(APPEND CPPDEFS " -DHAVE_NANOTIME -DBIT64 -DHAVE_SLASHPROC -DHAVE_COMM_F2C -DHAVE_TIMES -DHAVE_GETTIMEOFDAY")
+endif()
+string(APPEND CMAKE_Fortran_FLAGS " -fconvert=big-endian -ffree-line-length-none -ffixed-line-length-none -fallow-argument-mismatch")
+
+string(APPEND CMAKE_C_FLAGS_DEBUG " -O0 -g -Wall -fbacktrace -fcheck=bounds -ffpe-trap=invalid,zero,overflow")
+string(APPEND CMAKE_Fortran_FLAGS_DEBUG " -O0 -g -Wall -fbacktrace -fcheck=bounds -ffpe-trap=zero,overflow")
+string(APPEND CMAKE_CXX_FLAGS_DEBUG " -O0 -g -Wall -fbacktrace")
+
+string(APPEND CMAKE_C_FLAGS_RELEASE " -g -O2")
+string(APPEND CMAKE_CXX_FLAGS_RELEASE " -g -O2")
+string(APPEND CMAKE_Fortran_FLAGS_RELEASE " -g -O2")
+
+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")
+
+set(E3SM_LINK_WITH_FORTRAN "TRUE")
+string(APPEND CMAKE_CXX_FLAGS " -I$ENV{MPICH_DIR}/include")
+string(APPEND CMAKE_EXE_LINKER_FLAGS " -L$ENV{ROCM_PATH}/lib -lamdhip64")
+
+if (compile_threaded)
+  string(APPEND CMAKE_C_FLAGS " -fopenmp")
+  string(APPEND CMAKE_Fortran_FLAGS " -fopenmp")
+  string(APPEND CMAKE_CXX_FLAGS " -fopenmp=libgomp")
+  string(APPEND CMAKE_EXE_LINKER_FLAGS " -fopenmp")
+endif()
+
+string(APPEND KOKKOS_OPTIONS " -DKokkos_ENABLE_HIP=On -DKokkos_ARCH_ZEN3=On -DKokkos_ARCH_VEGA90A=On -DKokkos_ENABLE_OPENMP=Off")
+
+set(USE_HIP "TRUE")
+string(APPEND CMAKE_HIP_FLAGS "$ENV{CXXFLAGS} --offload-arch=gfx90a -munsafe-fp-atomics")