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Add AOCC flang/clang build configuration for WPS on AMD Linux x86_64 #286

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8964f5c
Add AOCC flang/clang build configuration for WPS on AMD Linux x86_64
HathewayWill May 21, 2026
75dcf96
Update configure.defaults
HathewayWill May 23, 2026
fb02d7a
Update compile for exe checks
HathewayWill May 24, 2026
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27 changes: 27 additions & 0 deletions arch/configure.defaults
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Original file line number Diff line number Diff line change
Expand Up @@ -892,6 +892,33 @@ CPPFLAGS = -D_UNDERSCORE -DBYTESWAP -DLINUX -DIO_NETCDF -DIO_BINARY -
ARFLAGS =
CC_TOOLS =

########################################################################################################################
#ARCH AMD Linux x86_64, AOCC flang compiler with AOCC clang # serial serial_NO_GRIB2 dmpar dmpar_NO_GRIB2
#
COMPRESSION_LIBS = CONFIGURE_COMP_L
COMPRESSION_INC = CONFIGURE_COMP_I
FDEFS = CONFIGURE_FDEFS
SFC = flang
SCC = clang
DM_FC = mpifort
DM_CC = mpicc
FC = CONFIGURE_FC
CC = CONFIGURE_CC
LD = $(FC)
FFLAGS = $(FORMAT_FREE) -Ofast -ffast-math -fPIC -Mbyteswapio -Mstack_arrays -funroll-loops -ftree-vectorize -fopenmp -fveclib=AMDLIBM
F77FLAGS = $(FORMAT_FIXED) -Ofast -ffast-math -fPIC -Mbyteswapio -Mstack_arrays -funroll-loops -ftree-vectorize -fopenmp -fveclib=AMDLIBM
FORMAT_FREE = -Mfreeform
FORMAT_FIXED = -Mfixed
FCSUFFIX =
FNGFLAGS = $(FFLAGS)
LDFLAGS = -m64 -Ofast -Mstack_arrays -fopenmp -lomp -Wl,--allow-multiple-definition -Wl,-mllvm -Wl,-enable-loop-reversal -Wl,-mllvm -Wl,-enable-gather -Wl,-mllvm -Wl,-vectorize-non-contiguous-memory-aggressively -lamdlibm
CFLAGS = -w -O3 -fPIC -fopenmp -D_UNDERSCORE
CPP = /usr/bin/cpp -P -traditional
CPPFLAGS = -D_UNDERSCORE -DBYTESWAP -DLINUX -DIO_NETCDF -DIO_BINARY -DIO_GRIB1 -DBIT32 -DNO_SIGNAL CONFIGURE_MPI
ARFLAGS =
RANLIB = llvm-ranlib
CC_TOOLS =

########################################################################################################################
#ARCH NULL # serial serial_NO_GRIB2 dmpar dmpar_NO_GRIB2

Expand Down
221 changes: 163 additions & 58 deletions compile
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

if ( ! -e configure.wps ) then
echo "Do 'configure' first"
exit ( 1 )
exit ( 1 )
endif

if ( ( ! $?NETCDF ) && ( -d netcdf_links ) ) then
Expand All @@ -13,23 +13,24 @@ else
endif

set DEV_TOP = `pwd`
set WRF_DIR_PRE =
set first_char = `grep ^WRF_DIR configure.wps | awk '{print $3}' | cut -c -1`


## test for Cygwin on Windows
grep CYGWIN_NT configure.wps >& /dev/null
if ( $status == 0 ) then
ls -l */*/*cio.c | grep '^l'
if ( $status == 0 ) then
echo Symbolic links are not handled properly by pgcc on Windows. Run arch/fixlinks in this directory and try again.
exit
endif
ls -l */*/*cio.c | grep '^l'
if ( $status == 0 ) then
echo Symbolic links are not handled properly by pgcc on Windows. Run arch/fixlinks in this directory and try again.
exit(1)
endif
else
if ( "$first_char" == "/" ) then
set WRF_DIR_PRE =
else
set WRF_DIR_PRE = ${DEV_TOP}/
endif
if ( "$first_char" == "/" ) then
set WRF_DIR_PRE =
else
set WRF_DIR_PRE = ${DEV_TOP}/
endif
endif

if ( ${#argv} == 0 ) then
Expand Down Expand Up @@ -81,56 +82,68 @@ else if ( $1 == int2nc ) then
set names = ( int2nc )
set NAMES = ( UTIL )
else
echo "*****"
echo " "
echo "*****"
echo " "
echo "Unrecognized compile target $1."
echo " "
echo "Usage: compile [target]"
echo "where target is one of"
echo " wps"
echo " util"
echo " geogrid"
echo " ungrib"
echo " metgrid"
echo " g1print"
echo " g2print"
echo " plotfmt"
echo " rd_intermediate"
echo " plotgrids"
echo " mod_levs"
echo " avg_tsfc"
echo " calc_ecmwf_p"
echo " height_ukmo"
echo " int2nc"
echo " "
echo " or just run compile with no target to build everything."
echo " "
echo "*****"
exit(1)
echo " "
echo "Usage: compile [target]"
echo "where target is one of"
echo " wps"
echo " util"
echo " geogrid"
echo " ungrib"
echo " metgrid"
echo " g1print"
echo " g2print"
echo " plotfmt"
echo " rd_intermediate"
echo " plotgrids"
echo " mod_levs"
echo " avg_tsfc"
echo " calc_ecmwf_p"
echo " height_ukmo"
echo " int2nc"
echo " "
echo " or just run compile with no target to build everything."
echo " "
echo "*****"
exit(1)
endif

# Build list of final executables that should exist for the selected target.
set expected_exes = ( )
set count = 1
foreach f ( $names )
if ( ( "$NAMES[$count]" == "UTIL" ) || ( "$NAMES[$count]" == "GRIBUTIL" ) ) then
set expected_exes = ( $expected_exes util/${f}.exe )
else
set expected_exes = ( $expected_exes ${f}.exe )
endif
@ count ++
end

# Print out WPS version, system info, and compiler/version
echo "============================================================================================== "
echo " "
echo Version 4.6.0
echo " "
uname -a
echo " "
set comp = ( `grep "^SFC" configure.wps | cut -d"=" -f2-` )
if ( "$comp[1]" == "gfortran" ) then
gfortran --version
else if ( "$comp[1]" == "pgf90" ) then
pgf90 --version
else if ( "$comp[1]" == "ifort" ) then
ifort -V
else if ( "$comp[1]" == "ifx" ) then
ifx -V
else
echo "Not sure how to figure out the version of this compiler: $comp[1]"
endif
echo " "
echo "============================================================================================== "
echo " "
echo " "
echo Version 4.6.0
echo " "
uname -a
echo " "
set comp = ( `grep "^SFC" configure.wps | cut -d"=" -f2-` )
if ( "$comp[1]" == "gfortran" ) then
gfortran --version
else if ( "$comp[1]" == "pgf90" ) then
pgf90 --version
else if ( "$comp[1]" == "ifort" ) then
ifort -V
else if ( "$comp[1]" == "ifx" ) then
ifx -V
else
echo "Not sure how to figure out the version of this compiler: $comp[1]"
endif
echo " "
echo "============================================================================================== "
echo " "


echo " "
Expand All @@ -141,26 +154,118 @@ else
endif
echo " "

set START_OF_COMPILE = `date`
set build_failed = 0

set count = 1
foreach f ( $names )

set exe_path = ""
set link_path = ""

if ("$NAMES[$count]" == "UTIL") then

( cd util ; make -i -r WRF_DIR_PRE="${WRF_DIR_PRE}" DEV_TOP="${DEV_TOP}" TARGET="${f}.exe" CPP_TARGET="$NAMES[$count]" all )

set exe_path = "util/src/${f}.exe"
set link_path = "util/${f}.exe"

else if ("$NAMES[$count]" == "GRIBUTIL") then

( cd ungrib ; make -i -r WRF_DIR_PRE="${WRF_DIR_PRE}" DEV_TOP="${DEV_TOP}" TARGET="${f}.exe" CPP_TARGET="$NAMES[$count]" all )
if ( -e ungrib/src/${f}.exe ) then

set exe_path = "ungrib/src/${f}.exe"
set link_path = "util/${f}.exe"

if ( -e ${exe_path} ) then
( cd util ; ln -sf ../ungrib/src/${f}.exe . )
endif

else

( cd $f ; make -i -r WRF_DIR_PRE="${WRF_DIR_PRE}" DEV_TOP="${DEV_TOP}" TARGET="${f}.exe" CPP_TARGET="$NAMES[$count]" all )
if ( -e ${f}/src/${f}.exe ) then

set exe_path = "${f}/src/${f}.exe"
set link_path = "${f}.exe"

if ( -e ${exe_path} ) then
ln -sf ${f}/src/${f}.exe .
endif

endif

echo " "
echo "=========================================================================="
echo "build started: ${START_OF_COMPILE}"
echo "build completed:" `date`
echo " "

if ( -e ${exe_path} && -e ${link_path} ) then
echo "---> ${f}.exe successfully built <---"
echo " "
ls -l ${exe_path} ${link_path}
else
echo "---> Problems building ${f}.exe, look for errors in the build log <---"
echo " "
if ( ! -e ${exe_path} ) then
echo "Missing executable: ${exe_path}"
endif
if ( ! -e ${link_path} ) then
echo "Missing linked executable: ${link_path}"
endif
set build_failed = 1
endif

echo " "
echo "=========================================================================="
echo " "

@ count ++

end

echo " "
echo "=========================================================================="
echo "Final WPS executable check"
echo "build started: ${START_OF_COMPILE}"
echo "build completed:" `date`
echo " "

set final_failed = 0

foreach exe ( $expected_exes )
if ( ! -e ${exe} ) then
set final_failed = 1
endif
end

if ( $final_failed == 0 ) then
echo "---> Requested executables successfully built <---"
echo " "
ls -l $expected_exes
else
echo "---> Problems building one or more requested executables, look for errors in the build log <---"
echo " "
foreach exe ( $expected_exes )
if ( -e ${exe} ) then
ls -l ${exe}
else
echo "Missing executable: ${exe}"
endif
end
set build_failed = 1
endif

echo " "
echo "=========================================================================="
echo " "

if ( $temp_netcdf == 1 ) then
unsetenv NETCDF
endif

if ( $build_failed == 1 ) then
exit(1)
endif

exit(0)