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Add support for IntelLLVM compiler #1276

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Merged
MatthewMasarik-NOAA merged 2 commits into from
Sep 30, 2024
Merged

Add support for IntelLLVM compiler #1276

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7359941
Add support for IntelLLVM compiler
DusanJovic-NOAA Apr 3, 2024
6810b2d
Merge remote-tracking branch 'origin/dev/ufs-weather-model' into supp…
DusanJovic-NOAA Aug 22, 2024
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15 changes: 15 additions & 0 deletions model/src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,21 @@ if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel)$")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -c <TARGET>")
endif()

elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(IntelLLVM)$")
set(compile_flags -no-fma -g -traceback -i4 -real-size 32 -fp-model precise -assume byterecl -fno-alias)
set(compile_flags_release -O3)
# SHELL: prefix fixes CMake attempting to de-duplicate the repeated uses of 'all' in -warn, -debug, -check
# See https://cmake.org/cmake/help/latest/command/target_compile_options.html#option-de-duplication
set(compile_flags_debug -O0 "SHELL:-debug all" "SHELL:-warn all" "SHELL:-check all" -check noarg_temp_created -fp-stack-check -heap-arrays -traceback -fpe0)

if(APPLE)
# The linker on macOS does not include `common symbols` (usually module variables without a default value) by default
# Passing the -c flag includes them and fixes an error with undefined symbols
# Only ifort marks these symbols as common, compared to GCC
set(CMAKE_Fortran_ARCHIVE_FINISH "<CMAKE_RANLIB> -c <TARGET>")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -c <TARGET>")
endif()

elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
set(compile_flags -g -fno-second-underscore -ffree-line-length-none)
set(compile_flags_release -O3)
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