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detect MPI base compiler names when PrgEnv-cray is loaded #233

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0a61236
detect MPI base compiler names when PrgEnv-cray is loaded
wkliao Jul 13, 2026
af4fc90
add note for PR 233
wkliao Jul 13, 2026
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92 changes: 43 additions & 49 deletions m4/check_mpi.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -350,6 +350,7 @@ AC_DEFUN([UD_MPI_COMPILER_BASENAME],[
compile_cmd=`echo $$1 | cut -d" " -f1`
AC_MSG_CHECKING([base compiler command in $1 wrapper])
compile_basename=
ver_line=`$compile_cmd --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1`
case $compile_cmd in
mpicc | mpicxx | mpif77 | mpif90 | mpifort | *[[\\/]]mpicc | *[[\\/]]mpicxx | *[[\\/]]mpif77 | *[[\\/]]mpif90 | *[[\\/]]mpifort )
# MPICH, OpenMPI
Expand All @@ -368,93 +369,90 @@ AC_DEFUN([UD_MPI_COMPILER_BASENAME],[
compile_basename=`$compile_cmd --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1 | cut -d' ' -f1 | cut -d':' -f1`
;;
cc | *[[\\/]]cc )
# For Cray PrgEnv-intel, cc is a wrapper of icc
# For Cray PrgEnv-gnu, cc is a wrapper of gcc
# For Cray PrgEnv-nvidia, cc is a wrapper of nvc
# % cc --version
# gcc-14 (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, cc is a wrapper of icc
# % cc --version
# Intel(R) oneAPI DPC++/C++ Compiler 2025.3.1 (2025.3.1.20251023)
# For Cray PrgEnv-nvidia, cc is a wrapper of nvc
# % cc --version
# nvc 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, cc is a wrapper of clang
# % cc --version
# Cray clang version 20.0.0 (8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)

compile_basename=`$compile_cmd --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1 | cut -d' ' -f1 | cut -d':' -f1`
compile_basename=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$compile_basename" in
"gcc"*)
;;
"icc"*)
;;
"Intel"*)
unset cc_basename
AC_CHECK_PROG(cc_basename, icx, [icx])
compile_basename=$cc_basename
unset cc_basename
compile_basename="icx"
;;
"nvc"*)
unset cc_basename
AC_CHECK_PROG(cc_basename, nvc, [nvc])
compile_basename=$cc_basename
unset cc_basename
compile_basename="nvc"
;;
"Cray"*)
compile_basename="cc"
;;
*)
# For Cray PrgEnv-cray, cc is a wrapper of Cray CC
# Cray cc -V sends the output to stderr.
eval "$compile_cmd -V" < /dev/null >& conftest.ver
compile_basename=`head -n1 conftest.ver |cut -d' ' -f1`
${RM} -f conftest.ver
# unknown compiler
compile_basename="cc"
;;
esac
;;
CC | *[[\\/]]CC )
# For Cray PrgEnv-intel, CC is a wrapper of icpx
# For Cray PrgEnv-gnu, CC is a wrapper of g++
# For Cray PrgEnv-nvidia, CC is a wrapper of nvc++
# % CC --version
# g++-14 (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, CC is a wrapper of icpx
# % CC --version
# Intel(R) oneAPI DPC++/C++ Compiler 2025.3.1 (2025.3.1.20251023)
# For Cray PrgEnv-nvidia, CC is a wrapper of nvc++
# % CC --version
# nvc++ 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, CC is a wrapper of clang
# % CC --version
# Cray clang version 20.0.0 (8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)

compile_basename=`$compile_cmd --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1 | cut -d' ' -f1 | cut -d':' -f1`
compile_basename=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$compile_basename" in
"g++"*)
;;
"icpc"*)
;;
"Intel"*)
unset cxx_basename
AC_CHECK_PROG(cxx_basename, icpx, [icpx])
compile_basename=$cxx_basename
unset cxx_basename
compile_basename="icx"
;;
"nvc"*)
unset cxx_basename
AC_CHECK_PROG(cxx_basename, nvc++, [nvc++])
compile_basename=$cxx_basename
unset cxx_basename
compile_basename="nvc++"
;;
"Cray"*)
compile_basename="CC"
;;
*)
# For Cray PrgEnv-cray, cc is a wrapper of Cray CC
# Cray cc -V sends the output to stderr.
eval "$compile_cmd -V" < /dev/null >& conftest.ver
compile_basename=`head -n1 conftest.ver |cut -d' ' -f1`
${RM} -f conftest.ver
# unknown compiler
compile_basename="CC"
;;
esac
;;
ftn | *[[\\/]]ftn )
# For Cray PrgEnv-intel, ftn is a wrapper of icc
# For Cray PrgEnv-gnu, ftn is a wrapper of gfortran
# For Cray PrgEnv-nvidia, ftn is a wrapper of nvfortran
# % ftn --version
# GNU Fortran (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, ftn is a wrapper of ifx
# % ftn --version
# ifx (IFX) 2025.3.0 20251023
# For Cray PrgEnv-nvidia, ftn is a wrapper of nvfortran
# % ftn --version
# nvfortran 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, ftn is just Cray Fortran compiler name
# % ftn --version
# Cray Fortran : Version 20.0.0 (20250827170814_8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)

compile_basename=`$compile_cmd --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1 | cut -d' ' -f1 | cut -d':' -f1`
compile_basename=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$compile_basename" in
"gfortran"*)
;;
Expand All @@ -464,25 +462,19 @@ AC_DEFUN([UD_MPI_COMPILER_BASENAME],[
"ifx"* | "ifort"* )
;;
"Intel"*)
unset ftn_basename
AC_CHECK_PROG(ftn_basename, ifx, [ifx])
compile_basename=$ftn_basename
unset ftn_basename
compile_basename="ifx"
;;
"nvfortran"*)
;;
"NVIDIA"*)
unset ftn_basename
AC_CHECK_PROG(ftn_basename, nvfortran, [nvfortran])
compile_basename=$ftn_basename
unset ftn_basename
compile_basename="nvfortran"
;;
"Cray"*)
compile_basename="ftn"
;;
*)
# For Cray PrgEnv-cray, cc is a wrapper of Cray CC
# Cray cc -V sends the output to stderr.
eval "$compile_cmd -V" < /dev/null >& conftest.ver
compile_basename=`head -n1 conftest.ver |cut -d' ' -f1`
${RM} -f conftest.ver
# unknown compiler
compile_basename="ftn"
;;
esac
;;
Expand All @@ -491,11 +483,13 @@ AC_DEFUN([UD_MPI_COMPILER_BASENAME],[
if test "x${compile_basename}" != x ; then
AC_MSG_RESULT([$compile_basename])
AC_PATH_PROG([ud_cv_mpi_compiler_basename_$1], [$compile_basename])
ud_vendor_version_$1="$ver_line"
else
AC_MSG_RESULT([not found])
ud_vendor_version_$1=`$compile_cmd --version -c 2>&1 | grep -v '^$' | head -n1`
fi
ud_vendor_version_$1=`$compile_basename --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1`
unset compile_basename
unset compile_cmd
unset ver_line
])# UD_MPI_COMPILER_BASENAME

186 changes: 119 additions & 67 deletions m4/libtool.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -116,81 +116,133 @@ func_cc_basename ()
distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
\-*) ;;
mpicc | mpicxx | mpif77 | mpif90 | mpifort | *[[\\/]]mpicc | *[[\\/]]mpicxx | *[[\\/]]mpif77 | *[[\\/]]mpif90 | *[[\\/]]mpifort )
# MPICH compilers
# eval "$cc_temp -show" < /dev/null >& conftest.ver
# func_cc_basename_result=`head -n1 conftest.ver |cut -d' ' -f1`
# ${RM} -f conftest.ver
func_cc_basename_result=`$cc_temp -show | cut -d' ' -f1 | xargs basename`
# echo "cc_temp=$cc_temp func_cc_basename_result=$func_cc_basename_result"
# MPICH, OpenMPI
func_cc_basename_result=`$cc_temp -show | cut -d' ' -f1`
return
;;
mpixlc | mpixlcxx | mpixlf77 | mpixlf90 | *[[\\/]]mpixlc | *[[\\/]]mpixlcxx | *[[\\/]]mpixlf77 | *[[\\/]]mpixlf90 )
# IBM XL MPI compilers
func_cc_basename_result=`$cc_temp -show | cut -d' ' -f1`
return
;;
mpifccpx | mpiFCCpx | mpifrtpx | *[[\\/]]mpifccpx | *[[\\/]]mpiFCCpx | *[[\\/]]mpifrtpx )
# MPI compilers based on Fujitsu compilers: fccpx, FCCpx, frtpx
func_cc_basename_result=`$cc_temp -showme | cut -d' ' -f1 | xargs basename`
# echo "cc_temp=$cc_temp func_cc_basename_result=$func_cc_basename_result"
# Fujitsu MPI compilers: fccpx, FCCpx, frtpx
func_cc_basename_result=`$cc_temp -showme | cut -d' ' -f1`
return
;;
cc | CC | ftn | *[[\\/]]cc | *[[\\/]]CC | *[[\\/]]ftn )
# For Cray PrgEnv-intel, cc is a wrapper of icc
mpiicc | mpiicx | mpiicpc | mpiifort | mpiifx | *[[\\/]]mpiicc | *[[\\/]]mpiicx | *[[\\/]]mpiicpc | *[[\\/]]mpiifort | *[[\\/]]mpiifx )
# Intel MPI classic compilers: icc, icpc, ifort. OneAPI compilers: icx, icpx, ifx.
func_cc_basename_result=`$cc_temp --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1 | cut -d' ' -f1 | cut -d':' -f1`
return
;;
cc | *[[\\/]]cc )
# For Cray PrgEnv-gnu, cc is a wrapper of gcc
# % cc --version
# gcc-14 (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, cc is a wrapper of icc
# % cc --version
# Intel(R) oneAPI DPC++/C++ Compiler 2025.3.1 (2025.3.1.20251023)
# For Cray PrgEnv-nvidia, cc is a wrapper of nvc
# func_cc_basename_result=`$cc_temp --version 2>&1 | head -n 1 | cut -d' ' -f1 | xargs basename`
eval "$cc_temp --version" < /dev/null >& conftest.ver
func_cc_basename_result=`head -n1 conftest.ver |cut -d' ' -f1`
${RM} -f conftest.ver
if test "x${func_cc_basename_result}" = xicc ||
test "x${func_cc_basename_result}" = xicpc ||
test "x${func_cc_basename_result}" = xifort ||
test "x${func_cc_basename_result}" = xifx ||
test "x${func_cc_basename_result}" = xgcc ||
test "x${func_cc_basename_result}" = xg++ ||
test "x${func_cc_basename_result}" = xgfortran ||
test "x${func_cc_basename_result}" = xGNU ; then
# echo "cc_temp=$cc_temp func_cc_basename_result=$func_cc_basename_result"
return
fi
# For Cray PrgEnv-nvidia, cc is a wrapper of nvc
# 'cc --version' may also include error of ld error
# Output of 'nvc --version -c' contains a blank line, must skip it.
func_cc_basename_result=`$cc_temp --version -c 2>&1 | grep -v '^$' | head -n1 | cut -d' ' -f1`
if test "x${func_cc_basename_result}" = xnvc ||
test "x${func_cc_basename_result}" = xnvc++ ||
test "x${func_cc_basename_result}" = xnvfortran ; then
return
fi

# For Cray PrgEnv-intel that uses oneAPI, cc/CC is a wrapper of icx/icpx
func_cc_basename_result=`$cc_temp --version -c 2>&1 | grep -v '^$' | head -n1 | cut -d' ' -f1`
if test "x${func_cc_basename_result}" = "xIntel(R)" ; then
compile_cmd=`$cc_temp --version -c 2>&1 | grep icx`
if test "x${compile_cmd}" != x ; then
func_cc_basename_result=icx
return
else
compile_cmd=`$cc_temp --version -c 2>&1 | grep icpx`
if test "x${compile_cmd}" != x ; then
func_cc_basename_result=icpx
return
fi
fi
fi

# For Cray PrgEnv-cray, cc is a wrapper of Cray CC
# Cray cc -V sends the output to stderr.
# func_cc_basename_result=`$cc_temp -V 2>&1 | head -n 1 | cut -d' ' -f1 | xargs basename`
eval "$cc_temp -V" < /dev/null >& conftest.ver
func_cc_basename_result=`head -n1 conftest.ver |cut -d' ' -f1`
${RM} -f conftest.ver
if test "x${func_cc_basename_result}" = xCray ; then
# echo "cc_temp=$cc_temp func_cc_basename_result=$func_cc_basename_result"
return
fi
return
# % cc --version
# nvc 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, cc is a wrapper of clang
# % cc --version
# Cray clang version 20.0.0 (8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)
ver_line=`$cc_temp --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1`
func_cc_basename_result=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$func_cc_basename_result" in
"gcc"* | "icc"* | "nvc"* )
return
;;
"Intel"*)
func_cc_basename_result="icx"
return
;;
"Cray"*)
func_cc_basename_result=`echo $ver_line | cut -d' ' -f2`
return
;;
*)
# base compiler name unknown compiler
func_cc_basename_result="cc"
return
;;
esac
;;
mpixlc | mpixlcxx | mpixlf77 | mpixlf90 | *[[\\/]]mpixlc | *[[\\/]]mpixlcxx | *[[\\/]]mpixlf77 | *[[\\/]]mpixlf90 )
func_cc_basename_result=`$cc_temp -show | cut -d' ' -f1 | xargs basename`
# echo "cc_temp=$cc_temp func_cc_basename_result=$func_cc_basename_result"
return
CC | *[[\\/]]CC )
# For Cray PrgEnv-gnu, CC is a wrapper of g++
# % CC --version
# g++-14 (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, CC is a wrapper of icpx
# % CC --version
# Intel(R) oneAPI DPC++/C++ Compiler 2025.3.1 (2025.3.1.20251023)
# For Cray PrgEnv-nvidia, CC is a wrapper of nvc++
# % CC --version
# nvc++ 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, CC is a wrapper of clang
# % CC --version
# Cray clang version 20.0.0 (8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)
ver_line=`$cc_temp --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1`
func_cc_basename_result=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$func_cc_basename_result" in
"g++"* | "icpc"* | "nvc"* )
return
;;
"Intel"*)
func_cc_basename_result="icpx"
return
;;
"Cray"*)
func_cc_basename_result=`echo $ver_line | cut -d' ' -f2`
return
;;
*)
# base compiler name unknown compiler
func_cc_basename_result="CC"
return
;;
esac
;;
ftn | *[[\\/]]ftn )
# For Cray PrgEnv-gnu, ftn is a wrapper of gfortran
# % ftn --version
# GNU Fortran (SUSE Linux) 14.3.0
# For Cray PrgEnv-intel, ftn is a wrapper of ifx
# % ftn --version
# ifx (IFX) 2025.3.0 20251023
# For Cray PrgEnv-nvidia, ftn is a wrapper of nvfortran
# % ftn --version
# nvfortran 25.5-0 64-bit target on x86-64 Linux -tp zen3-64
# For Cray PrgEnv-cray, ftn is just Cray Fortran compiler name
# % ftn --version
# Cray Fortran : Version 20.0.0 (20250827170814_8a1c0a28f36ae0bf2fce3f49eb977f008b7bbf87)
ver_line=`$cc_temp --version -c 2>&1 | grep -v '^$' | grep -v "remark" | head -n1`
func_cc_basename_result=`echo $ver_line | cut -d' ' -f1 | cut -d':' -f1`
case "$func_cc_basename_result" in
"gfortran"* | "ifx"* | "ifort"* | "nvfortran"* )
return
;;
"GNU"*)
func_cc_basename_result="gfortran"
return
;;
"Intel"*)
func_cc_basename_result="ifx"
return
;;
"NVIDIA"*)
func_cc_basename_result="nvfortran"
return
;;
"Cray"*)
func_cc_basename_result="ftn"
return
;;
*)
# base compiler name unknown compiler
func_cc_basename_result="ftn"
;;
esac
;;
*) break;;
esac
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4 changes: 4 additions & 0 deletions sneak_peek.md
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,10 @@ This is essentially a placeholder for the next release note ...
See [PR #230](https://github.com/Parallel-NetCDF/PnetCDF/pull/230).

* Bug fixes
+ Fix detection of the MPI base compiler names when PrgEnv-cray is loaded,
where cc, CC, and ftn are wrappers of Cray clang and Cray Fortran
compilers.
See [PR #233](https://github.com/Parallel-NetCDF/PnetCDF/pull/233).
+ Fix utility program `pnetcdf_version` for printing the version string of
the base compiler of MPICC when the base is a classic Intel compiler.
See [PR #232](https://github.com/Parallel-NetCDF/PnetCDF/pull/232).
Expand Down