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# -*- shell-script -*-
#
# This file should be sourced into configure if the compiler is the
# GNU g95/gfortran compiler or a derivative. It is careful not to do anything
# if the compiler is not GNU; otherwise `f9x_flags_set' is set to `yes'
#
# Get the compiler version in a way that works for GNU fortran
# gfortran unless a compiler version is already known
#
# f9x_vendor: The compiler name: gfortran
# f9x_version: Version number: 5.0-2, 5.2-2
#
if test X = "X$f9x_flags_set"; then
f9x_version="`$FC $FCFLAGS -v 2>&1 |grep 'gcc version' |\
sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
if test X != "X$f9x_version"; then
# is_mpi="`$FC $FCFLAGS -help 2>&1 |grep 'link MPI'`"
f9x_vendor=`echo $f9x_version |sed 's/\([a-z]*\).*/\1/'`
f9x_version=`echo $f9x_version |sed 's/[-a-z]//g'`
if test X = "X$f9x_vendor" -a X != "X$f9x_version"; then
f9x_vendor=gfortran
fi
if test "-" != "$f9x_vendor-$f9x_version"; then
echo "compiler '$FC' is GNU $f9x_vendor-$f9x_version"
fi
# Some version numbers
f9x_vers_major=`echo $f9x_version | cut -f1 -d.`
f9x_vers_minor=`echo $f9x_version | cut -f2 -d.`
f9x_vers_patch=`echo $f9x_version | cut -f3 -d.`
test -n "$f9x_vers_major" || f9x_vers_major=0
test -n "$f9x_vers_minor" || f9x_vers_minor=0
test -n "$f9x_vers_patch" || f9x_vers_patch=0
f9x_vers_all=`expr $f9x_vers_major '*' 1000000 + $f9x_vers_minor '*' 1000 + $f9x_vers_patch`
fi
fi
# Common GNU flags for various situations
if test "X-gfortran" = "X-$f9x_vendor"; then
# Insert section about version specific problems from gnu-flags here, if
# necessary.
arch=
# Architecture-specific flags
# Nothing currently. (Uncomment code below and modify to add any)
#case "$host_os-$host_cpu" in
# *-i686)
# arch="-march=i686"
# ;;
#esac
# Host-specific flags
# Nothing currently. (Uncomment code below and modify to add any)
#case "`hostname`" in
# sleipnir.ncsa.uiuc.edu)
# arch="$arch -pipe"
# ;;
#esac
# General
FC_BASENAME=gfortran40
F9XSUFFIXFLAG=""
FSEARCH_DIRS=""
FCFLAGS="$FCFLAGS -pedantic -Wall -Wconversion -Wunderflow -Wimplicit-interface -W"
# Production
PROD_FCFLAGS="-O2 -s"
# Debug
DEBUG_FCFLAGS="-g -fbounds-check"
# Profile
PROFILE_FCFLAGS="-g -pg"
# Flags are set
f9x_flags_set=yes
fi
# Clear f9x info if no flags set
if test "X-$f9x_flags_set" = "X-"; then
f9x_vendor=
f9x_version=
fi
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