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-rw-r--r--config/gnu-fflags146
1 files changed, 117 insertions, 29 deletions
diff --git a/config/gnu-fflags b/config/gnu-fflags
index 822b716..09c96ce 100644
--- a/config/gnu-fflags
+++ b/config/gnu-fflags
@@ -1,4 +1,4 @@
-# -*- shell-script -*-
+# -*- shell-script -*-
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
@@ -7,7 +7,7 @@
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
@@ -17,6 +17,20 @@
# if the compiler is not GNU; otherwise `f9x_flags_set' is set to `yes'
#
+#
+# Prepend `$srcdir/config/gnu-warnings/` to the filename suffix(es) given as
+# subroutine argument(s), remove comments starting with # and ending
+# at EOL, replace spans of whitespace (including newlines) with spaces,
+# and re-emit the file(s) thus filtered on the standard output stream.
+#
+load_gnu_arguments()
+{
+ set -- $(for arg; do
+ sed 's,#.*$,,' $srcdir/config/gnu-warnings/${arg}
+ done)
+ IFS=' ' echo "$*"
+}
+
# Get the compiler version in a way that works for GNU fortran
# gfortran unless a compiler version is already known
#
@@ -25,9 +39,8 @@
#
if test X = "X$f9x_flags_set"; then
f9x_version="`$FC $FCFLAGS $H5_FCFLAGS -v 2>&1 |grep 'gcc version' |\
- sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
+ sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
if test X != "X$f9x_version"; then
-# is_mpi="`$FC $FCFLAGS $H5_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$f9x_version"; then
@@ -37,24 +50,36 @@ if test X = "X$f9x_flags_set"; then
echo "compiler '$FC' is GNU $f9x_vendor-$f9x_version"
fi
- # Some version numbers
+ # Get the compiler 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.
+
+ FC_BASENAME=gfortran
+ F9XSUFFIXFLAG=""
+ FSEARCH_DIRS=""
+
+ # Need Fortran 2008 support for storage_size() in gcc 4.6 on
+ # (2008ts in some versions)
+ if test $f9x_vers_major -ge 8; then
+ H5_FCFLAGS="$H5_FCFLAGS -std=f2008"
+ elif test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 6; then
+ H5_FCFLAGS="$H5_FCFLAGS -std=f2008ts"
+ fi
+
+
+ ###############################
+ # Architecture-specific flags #
+ ###############################
arch=
- # Architecture-specific flags
# Nothing currently. (Uncomment code below and modify to add any)
#case "$host_os-$host_cpu" in
# *-i686)
@@ -62,30 +87,93 @@ if test "X-gfortran" = "X-$f9x_vendor"; then
# ;;
#esac
- # Host-specific flags
- # Nothing currently. (Uncomment code below and modify to add any)
- #case "`hostname`" in
- # sleipnir.ncsa.uiuc.edu)
- # arch="$arch -pipe"
- # ;;
- #esac
+ H5_FCFLAGS="$H5_FCFLAGS $arch"
- # General
- FC_BASENAME=gfortran40
- F9XSUFFIXFLAG=""
- FSEARCH_DIRS=""
- H5_FCFLAGS="$H5_FCFLAGS -pedantic -Wall -Wconversion -Wunderflow -Wimplicit-interface -W"
+ ##############
+ # Production #
+ ##############
+
+ PROD_FCFLAGS=
+
+ #########
+ # Debug #
+ #########
+
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 5; then
+ DEBUG_FCFLAGS=$DEBUG_OPT_FCFLAGS "-fcheck=all"
+ else
+ DEBUG_FCFLAGS=$DEBUG_OPT_FCFLAGS "-fbounds-check"
+ fi
- # Production
- PROD_FCFLAGS="-O2 -s"
+ ###########
+ # Symbols #
+ ###########
- # Debug
- DEBUG_FCFLAGS="-g -fbounds-check"
+ NO_SYMBOLS_FCFLAGS="-s"
+ SYMBOLS_FCFLAGS="-g"
+
+ #############
+ # Profiling #
+ #############
+
+ PROFILE_FCFLAGS="-pg"
+
+ ################
+ # Optimization #
+ ################
+
+ if test $f9x_vers_major -le 4; then
+ HIGH_OPT_FCFLAGS="-O3"
+ DEBUG_OPT_FCFLAGS=
+ else
+ HIGH_OPT_FCFLAGS="-O3"
+ DEBUG_OPT_FCFLAGS="-Og"
+ fi
+ NO_OPT_FCFLAGS="-O0"
+
+ ############
+ # Warnings #
+ ############
+
+ ###########
+ # General #
+ ###########
+
+ H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-general)"
+
+ #############################
+ # Version-specific warnings #
+ #############################
+
+ # gfortran >= 4.8
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 8; then
+ H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-4.8)"
+ fi
+
+ # gfortran 4.9 (nothing new)
+
+ # gfortran >= 5
+ if test $f9x_vers_major -ge 5; then
+ H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-5)"
+ fi
+
+ # gfortran >= 6
+ if test $f9x_vers_major -ge 6; then
+ H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-6)"
+ fi
+
+ # gfortran 7 (nothing new)
+
+ # gfortran >= 8
+ if test $f9x_vers_major -ge 8; then
+ H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-8)"
+ fi
- # Profile
- PROFILE_FCFLAGS="-g -pg"
+ # gfortran 9 (nothing new)
- # Flags are set
+ #################
+ # Flags are set #
+ #################
f9x_flags_set=yes
fi