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Some cleanup, tentative update for crays

This commit is contained in:
Paolo Giannozzi 2022-03-10 14:54:05 +01:00
parent 373290209b
commit 696eaee3a5
4 changed files with 236 additions and 230 deletions
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233
install/configure vendored
View File

@ -2875,8 +2875,8 @@ try_f90="gfortran f90"
# candidate compilers and flags based on architecture
case $arch in
ia32 | ia64 | x86_64 )
try_f90="ifort nvfortran pgf90 nagfor $try_f90"
try_mpif90="mpiifort $try_mpif90"
try_f90="ifort nvfortran pgf90 nagfor ftn $try_f90"
try_mpif90="mpiifort ftn $try_mpif90"
;;
arm )
try_f90="nvfortran pgf90 armflang $try_f90"
@ -3184,82 +3184,84 @@ mpif90=$FC
# check which compiler does mpif90 wrap
case "$arch" in
* )
echo $ECHO_N "checking version of $mpif90... $ECHO_C"
ifort_version=`$mpif90 -V 2>&1 | grep "Intel(R)"`
pgf_version=`$mpif90 -V 2>&1 | grep "^pgf"`
nvfortran_version=`$mpif90 -V 2>&1 | grep "^nvfortran"`
gfortran_version=`$mpif90 -v 2>&1 | grep "gcc version"`
nagfor_version=`$mpif90 -v 2>&1 | grep "NAG Fortran"`
xlf_version=`$mpif90 -v 2>&1 | grep "xlf"`
armflang_version=`$mpif90 -v 2>&1 | grep "Arm C/C++/Fortran Compiler version"`
frt_version=`$mpif90 -v 2>&1 | grep "Fujitsu Fortran Compiler"`
#
if test "$ifort_version" != ""
then
version=`$mpif90 --version 2>&1 | grep "IFORT" | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}ifort $f90_major_version"
f90_in_mpif90="ifort"
elif test "$nvfortran_version" != ""
then
version=`echo $nvfortran_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2 | cut -d- -f1`
echo "${ECHO_T}nvfortran $version"
f90_in_mpif90="nvfortran"
elif test "$pgf_version" != ""
then
version=`echo $pgf_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}pgf90 $version"
f90_in_mpif90="pgf90"
elif test "$gfortran_version" != ""
then
version=`echo $gfortran_version | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
echo "${ECHO_T}gfortran $f90_major_version.$f90_minor_version"
f90_in_mpif90="gfortran"
elif test "$nagfor_version" != ""
then
# NAG 6.0 has the codename attached to version number... annoying
version=`echo $nagfor_version | cut -d ' ' -f5`
echo "${ECHO_T}nagfor $version"
f90_in_mpif90="nagfor"
elif test "$xlf_version" != ""
then
echo "${ECHO_T}xlf (version unknonw)"
f90_in_mpif90="xlf90_r"
try_dflags="-D__XLF"
elif test "$armflang_version" != ""
then
version=`echo $armflang_version | cut -d" " -f 5`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
f90_in_mpif90="armflang"
try_foxflags="-D__PGI"
elif test "$frt_version" != ""
then
version=`echo $frt_version | cut -d" " -f 5`
echo "${ECHO_T}frt $version"
f90_in_mpif90="frt"
try_foxflags="-D__FUJITSU"
else
echo "${ECHO_T}unknown, assuming gfortran"
f90_in_mpif90="gfortran"
fi
# notify if serial and parallel compiler are the same
if test "$set_use_parallel" -eq 1 ; then
if test "$mpif90" = "$f90_in_mpif90"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: parallel and serial compiler are the same" >&5
echo $ECHO_N "checking version of $mpif90... $ECHO_C"
ifort_version=`$mpif90 -V 2>&1 | grep "Intel(R)"`
pgf_version=`$mpif90 -V 2>&1 | grep "^pgf"`
nvfortran_version=`$mpif90 -V 2>&1 | grep "^nvfortran"`
gfortran_version=`$mpif90 -v 2>&1 | grep "gcc version"`
nagfor_version=`$mpif90 -v 2>&1 | grep "NAG Fortran"`
xlf_version=`$mpif90 -v 2>&1 | grep "xlf"`
armflang_version=`$mpif90 -v 2>&1 | grep "Arm C/C++/Fortran Compiler version"`
frt_version=`$mpif90 -v 2>&1 | grep "Fujitsu Fortran Compiler"`
ftn_version=`$mpif90 --version 2>&1 | grep "Cray Fortran"`
#
if test "$ifort_version" != ""
then
version=`$mpif90 --version 2>&1 | grep "IFORT" | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}ifort $f90_major_version"
f90_in_mpif90="ifort"
elif test "$nvfortran_version" != ""
then
version=`echo $nvfortran_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2 | cut -d- -f1`
echo "${ECHO_T}nvfortran $version"
f90_in_mpif90="nvfortran"
elif test "$pgf_version" != ""
then
version=`echo $pgf_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}pgf90 $version"
f90_in_mpif90="pgf90"
elif test "$gfortran_version" != ""
then
version=`echo $gfortran_version | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
echo "${ECHO_T}gfortran $f90_major_version.$f90_minor_version"
f90_in_mpif90="gfortran"
elif test "$nagfor_version" != ""
then
# NAG 6.0 has the codename attached to version number... annoying
version=`echo $nagfor_version | cut -d ' ' -f5`
echo "${ECHO_T}nagfor $version"
f90_in_mpif90="nagfor"
elif test "$xlf_version" != ""
then
echo "${ECHO_T}xlf (version unknonw)"
f90_in_mpif90="xlf90_r"
try_dflags="-D__XLF"
elif test "$armflang_version" != ""
then
version=`echo $armflang_version | cut -d" " -f 5`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
f90_in_mpif90="armflang"
try_foxflags="-D__PGI"
elif test "$frt_version" != ""
then
version=`echo $frt_version | cut -d" " -f 5`
echo "${ECHO_T}frt $version"
f90_in_mpif90="frt"
try_foxflags="-D__FUJITSU"
elif test "$ftn_version" != ""
then
version=`echo $fnt_version | cut -d" " -f 5`
echo "${ECHO_T}ftn $version"
f90_in_mpif90="ftn"
else
echo "${ECHO_T}unknown, assuming gfortran"
f90_in_mpif90="gfortran"
fi
# notify if serial and parallel compiler are the same
if test "$set_use_parallel" -eq 1 ; then
if test "$mpif90" = "$f90_in_mpif90" && test "$mpif90" != "ftn"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: parallel and serial compiler are the same" >&5
$as_echo "$as_me: WARNING: parallel and serial compiler are the same" >&2;}
fi
fi
f90=$f90_in_mpif90
;;
esac
fi
fi
f90=$f90_in_mpif90
ac_ext=${ac_fc_srcext-f}
ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
@ -3381,7 +3383,7 @@ try_cc="cc gcc"
case "$arch:$f90_flavor" in
*:ifort* )
try_cc="icc ecc $try_cc"
try_cc="icc $try_cc"
;;
*:pgf90 | *:nvfortran )
try_cc="pgcc $try_cc"
@ -3899,6 +3901,42 @@ arm:armflang )
try_ldflags_static="-static -static-flang-libs"
;;
*:pgf* | *:nvfortran )
try_fflags_nomain="-Mnomain"
try_fflags="-fast"
try_fflags_openmp="-mp"
if test "$use_debug" -eq 1; then
try_f90flags="-g -C -Ktrap=fp -Mcache_align -Mpreprocess -Mlarge_arrays"
else
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
fi
try_foxflags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags=""
try_ldflags_openmp="-mp"
try_ldflags_static="-Bstatic"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
*:*gfortran )
try_fflags="-O3 -g"
if test "$f90_major_version" -ge "10"; then
try_fflags="$try_fflags -fallow-argument-mismatch"
fi
if test "$use_debug" -eq 1; then
try_fflags="-O3 -g -Wall -fbounds-check -frange-check -finit-integer=987654321 -finit-real=nan -finit-logical=true -finit-character=64"
fi
if test "$use_pedantic" -eq 1; then
try_fflags="-O2 -g -pedantic -Wall -Wextra -Wconversion -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all"
fi
try_fflags_openmp="-fopenmp"
try_f90flags="\$(FFLAGS) -cpp"
try_fflags_noopt="-O0 -g"
try_ldflags="-g"
try_ldflags_openmp="-pthread -fopenmp"
try_ldflags_static="-static"
;;
# from now on: likely obsolete cases
x86_64:nagfor* )
try_fflags="-O3 -kind=byte -dcfuns -mismatch"
if test "$use_debug" -eq 1; then
@ -3932,14 +3970,14 @@ crayxt*:cray* )
;;
crayxt*:pgf* )
# see comment above for pgf*
try_fflags_nomain="-Mnomain"
try_fflags_nomain="-Mnomain"
try_fflags_openmp="-mp"
try_fflags="-O3"
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags_openmp="-mp"
try_ldflags="-v"
try_dflags="$try_dflags -D__PGI -D__IOTK_WORKAROUND1"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
necsx:* )
@ -4015,41 +4053,6 @@ ppc64-bgq:*xlf* )
pre_fdflags="-WF,"
xlf_flags=1
;;
*:pgf* | *:nvfortran )
try_fflags_nomain="-Mnomain"
try_fflags="-fast"
try_fflags_openmp="-mp"
if test "$use_debug" -eq 1; then
try_f90flags="-g -C -Ktrap=fp -Mcache_align -Mpreprocess -Mlarge_arrays"
else
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
fi
try_foxflags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags=""
try_ldflags_openmp="-mp"
try_ldflags_static="-Bstatic"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
*:*gfortran )
try_fflags="-O3 -g"
if test "$f90_major_version" -ge "10"; then
try_fflags="$try_fflags -fallow-argument-mismatch"
fi
if test "$use_debug" -eq 1; then
try_fflags="-O3 -g -Wall -fbounds-check -frange-check -finit-integer=987654321 -finit-real=nan -finit-logical=true -finit-character=64"
fi
if test "$use_pedantic" -eq 1; then
try_fflags="-O2 -g -pedantic -Wall -Wextra -Wconversion -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all"
fi
try_fflags_openmp="-fopenmp"
try_f90flags="\$(FFLAGS) -cpp"
try_fflags_noopt="-O0 -g"
try_ldflags="-g"
try_ldflags_openmp="-pthread -fopenmp"
try_ldflags_static="-static"
;;
* )
# unknown, try these

2
install/m4/x_ac_qe_cc.m4
View File

@ -7,7 +7,7 @@ try_cc="cc gcc"
case "$arch:$f90_flavor" in
*:ifort* )
try_cc="icc ecc $try_cc"
try_cc="icc $try_cc"
;;
*:pgf90 | *:nvfortran )
try_cc="pgcc $try_cc"

75
install/m4/x_ac_qe_f90.m4
View File

@ -88,6 +88,42 @@ arm:armflang )
try_ldflags_static="-static -static-flang-libs"
;;
*:pgf* | *:nvfortran )
try_fflags_nomain="-Mnomain"
try_fflags="-fast"
try_fflags_openmp="-mp"
if test "$use_debug" -eq 1; then
try_f90flags="-g -C -Ktrap=fp -Mcache_align -Mpreprocess -Mlarge_arrays"
else
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
fi
try_foxflags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags=""
try_ldflags_openmp="-mp"
try_ldflags_static="-Bstatic"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
*:*gfortran )
try_fflags="-O3 -g"
if test "$f90_major_version" -ge "10"; then
try_fflags="$try_fflags -fallow-argument-mismatch"
fi
if test "$use_debug" -eq 1; then
try_fflags="-O3 -g -Wall -fbounds-check -frange-check -finit-integer=987654321 -finit-real=nan -finit-logical=true -finit-character=64"
fi
if test "$use_pedantic" -eq 1; then
try_fflags="-O2 -g -pedantic -Wall -Wextra -Wconversion -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all"
fi
try_fflags_openmp="-fopenmp"
try_f90flags="\$(FFLAGS) -cpp"
try_fflags_noopt="-O0 -g"
try_ldflags="-g"
try_ldflags_openmp="-pthread -fopenmp"
try_ldflags_static="-static"
;;
# from now on: likely obsolete cases
x86_64:nagfor* )
try_fflags="-O3 -kind=byte -dcfuns -mismatch"
if test "$use_debug" -eq 1; then
@ -121,14 +157,14 @@ crayxt*:cray* )
;;
crayxt*:pgf* )
# see comment above for pgf*
try_fflags_nomain="-Mnomain"
try_fflags_nomain="-Mnomain"
try_fflags_openmp="-mp"
try_fflags="-O3"
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags_openmp="-mp"
try_ldflags="-v"
try_dflags="$try_dflags -D__PGI -D__IOTK_WORKAROUND1"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
necsx:* )
@ -204,41 +240,6 @@ ppc64-bgq:*xlf* )
pre_fdflags="-WF,"
xlf_flags=1
;;
*:pgf* | *:nvfortran )
try_fflags_nomain="-Mnomain"
try_fflags="-fast"
try_fflags_openmp="-mp"
if test "$use_debug" -eq 1; then
try_f90flags="-g -C -Ktrap=fp -Mcache_align -Mpreprocess -Mlarge_arrays"
else
try_f90flags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
fi
try_foxflags="-fast -Mcache_align -Mpreprocess -Mlarge_arrays"
try_fflags_noopt="-O0"
try_ldflags=""
try_ldflags_openmp="-mp"
try_ldflags_static="-Bstatic"
try_dflags="$try_dflags -D__PGI"
have_cpp=1
;;
*:*gfortran )
try_fflags="-O3 -g"
if test "$f90_major_version" -ge "10"; then
try_fflags="$try_fflags -fallow-argument-mismatch"
fi
if test "$use_debug" -eq 1; then
try_fflags="-O3 -g -Wall -fbounds-check -frange-check -finit-integer=987654321 -finit-real=nan -finit-logical=true -finit-character=64"
fi
if test "$use_pedantic" -eq 1; then
try_fflags="-O2 -g -pedantic -Wall -Wextra -Wconversion -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all"
fi
try_fflags_openmp="-fopenmp"
try_f90flags="\$(FFLAGS) -cpp"
try_fflags_noopt="-O0 -g"
try_ldflags="-g"
try_ldflags_openmp="-pthread -fopenmp"
try_ldflags_static="-static"
;;
* )
# unknown, try these

156
install/m4/x_ac_qe_mpif90.m4
View File

@ -20,8 +20,8 @@ try_f90="gfortran f90"
# candidate compilers and flags based on architecture
case $arch in
ia32 | ia64 | x86_64 )
try_f90="ifort nvfortran pgf90 nagfor $try_f90"
try_mpif90="mpiifort $try_mpif90"
try_f90="ifort nvfortran pgf90 nagfor ftn $try_f90"
try_mpif90="mpiifort ftn $try_mpif90"
;;
arm )
try_f90="nvfortran pgf90 armflang $try_f90"
@ -116,81 +116,83 @@ mpif90=$FC
# check which compiler does mpif90 wrap
case "$arch" in
* )
echo $ECHO_N "checking version of $mpif90... $ECHO_C"
ifort_version=`$mpif90 -V 2>&1 | grep "Intel(R)"`
pgf_version=`$mpif90 -V 2>&1 | grep "^pgf"`
nvfortran_version=`$mpif90 -V 2>&1 | grep "^nvfortran"`
gfortran_version=`$mpif90 -v 2>&1 | grep "gcc version"`
nagfor_version=`$mpif90 -v 2>&1 | grep "NAG Fortran"`
xlf_version=`$mpif90 -v 2>&1 | grep "xlf"`
armflang_version=`$mpif90 -v 2>&1 | grep "Arm C/C++/Fortran Compiler version"`
frt_version=`$mpif90 -v 2>&1 | grep "Fujitsu Fortran Compiler"`
#
if test "$ifort_version" != ""
then
version=`$mpif90 --version 2>&1 | grep "IFORT" | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}ifort $f90_major_version"
f90_in_mpif90="ifort"
elif test "$nvfortran_version" != ""
then
version=`echo $nvfortran_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2 | cut -d- -f1`
echo "${ECHO_T}nvfortran $version"
f90_in_mpif90="nvfortran"
elif test "$pgf_version" != ""
then
version=`echo $pgf_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}pgf90 $version"
f90_in_mpif90="pgf90"
elif test "$gfortran_version" != ""
then
version=`echo $gfortran_version | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
echo "${ECHO_T}gfortran $f90_major_version.$f90_minor_version"
f90_in_mpif90="gfortran"
elif test "$nagfor_version" != ""
then
# NAG 6.0 has the codename attached to version number... annoying
version=`echo $nagfor_version | cut -d ' ' -f5`
echo "${ECHO_T}nagfor $version"
f90_in_mpif90="nagfor"
elif test "$xlf_version" != ""
then
echo "${ECHO_T}xlf (version unknonw)"
f90_in_mpif90="xlf90_r"
try_dflags="-D__XLF"
elif test "$armflang_version" != ""
then
version=`echo $armflang_version | cut -d" " -f 5`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
f90_in_mpif90="armflang"
try_foxflags="-D__PGI"
elif test "$frt_version" != ""
then
version=`echo $frt_version | cut -d" " -f 5`
echo "${ECHO_T}frt $version"
f90_in_mpif90="frt"
try_foxflags="-D__FUJITSU"
else
echo "${ECHO_T}unknown, assuming gfortran"
f90_in_mpif90="gfortran"
fi
# notify if serial and parallel compiler are the same
if test "$set_use_parallel" -eq 1 ; then
if test "$mpif90" = "$f90_in_mpif90"; then
AC_MSG_WARN([parallel and serial compiler are the same])
fi
fi
f90=$f90_in_mpif90
;;
esac
echo $ECHO_N "checking version of $mpif90... $ECHO_C"
ifort_version=`$mpif90 -V 2>&1 | grep "Intel(R)"`
pgf_version=`$mpif90 -V 2>&1 | grep "^pgf"`
nvfortran_version=`$mpif90 -V 2>&1 | grep "^nvfortran"`
gfortran_version=`$mpif90 -v 2>&1 | grep "gcc version"`
nagfor_version=`$mpif90 -v 2>&1 | grep "NAG Fortran"`
xlf_version=`$mpif90 -v 2>&1 | grep "xlf"`
armflang_version=`$mpif90 -v 2>&1 | grep "Arm C/C++/Fortran Compiler version"`
frt_version=`$mpif90 -v 2>&1 | grep "Fujitsu Fortran Compiler"`
ftn_version=`$mpif90 --version 2>&1 | grep "Cray Fortran"`
#
if test "$ifort_version" != ""
then
version=`$mpif90 --version 2>&1 | grep "IFORT" | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}ifort $f90_major_version"
f90_in_mpif90="ifort"
elif test "$nvfortran_version" != ""
then
version=`echo $nvfortran_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2 | cut -d- -f1`
echo "${ECHO_T}nvfortran $version"
f90_in_mpif90="nvfortran"
elif test "$pgf_version" != ""
then
version=`echo $pgf_version | cut -d ' ' -f2`
f90_major_version=`echo $version | cut -d. -f1`
echo "${ECHO_T}pgf90 $version"
f90_in_mpif90="pgf90"
elif test "$gfortran_version" != ""
then
version=`echo $gfortran_version | cut -d ' ' -f3`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
echo "${ECHO_T}gfortran $f90_major_version.$f90_minor_version"
f90_in_mpif90="gfortran"
elif test "$nagfor_version" != ""
then
# NAG 6.0 has the codename attached to version number... annoying
version=`echo $nagfor_version | cut -d ' ' -f5`
echo "${ECHO_T}nagfor $version"
f90_in_mpif90="nagfor"
elif test "$xlf_version" != ""
then
echo "${ECHO_T}xlf (version unknonw)"
f90_in_mpif90="xlf90_r"
try_dflags="-D__XLF"
elif test "$armflang_version" != ""
then
version=`echo $armflang_version | cut -d" " -f 5`
f90_major_version=`echo $version | cut -d. -f1`
f90_minor_version=`echo $version | cut -d. -f2`
f90_in_mpif90="armflang"
try_foxflags="-D__PGI"
elif test "$frt_version" != ""
then
version=`echo $frt_version | cut -d" " -f 5`
echo "${ECHO_T}frt $version"
f90_in_mpif90="frt"
try_foxflags="-D__FUJITSU"
elif test "$ftn_version" != ""
then
version=`echo $fnt_version | cut -d" " -f 5`
echo "${ECHO_T}ftn $version"
f90_in_mpif90="ftn"
else
echo "${ECHO_T}unknown, assuming gfortran"
f90_in_mpif90="gfortran"
fi
# notify if serial and parallel compiler are the same
if test "$set_use_parallel" -eq 1 ; then
if test "$mpif90" = "$f90_in_mpif90" && test "$mpif90" != "ftn"; then
AC_MSG_WARN([parallel and serial compiler are the same])
fi
fi
f90=$f90_in_mpif90
AC_FC_SRCEXT(f90)
echo setting F90... $f90