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-rw-r--r--config/gnu-fflags154
1 files changed, 120 insertions, 34 deletions
diff --git a/config/gnu-fflags b/config/gnu-fflags
index 6b5e6a1..3fc112d 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.
@@ -25,9 +25,8 @@
#
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$f9x_version"; then
@@ -37,24 +36,38 @@ if test X = "X$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"
+ else
+ H5_FCFLAGS="$H5_FCFLAGS -std=f2003"
+ fi
+
+
+ ###############################
+ # Architecture-specific flags #
+ ###############################
arch=
- # Architecture-specific flags
# Nothing currently. (Uncomment code below and modify to add any)
#case "$host_os-$host_cpu" in
# *-i686)
@@ -62,43 +75,116 @@ if test "X-gfortran" = "X-$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 $arch"
- # General
- FC_BASENAME=gfortran
- F9XSUFFIXFLAG=""
- FSEARCH_DIRS=""
- H5_FCFLAGS="$H5_FCFLAGS -pedantic -Wall -Wextra -Wunderflow -Wimplicit-interface -Wsurprising"
+ ##############
+ # Production #
+ ##############
- # Turn off warnings for passing non-ANSI types to BIND().
- # We pass a lot of hid_t, etc. types so this generates a LOT of spurious warnings.
- H5_FCFLAGS="$H5_FCFLAGS -Wno-c-binding-type"
-
- # Production
PROD_FCFLAGS=
- # Debug
- DEBUG_FCFLAGS="-fbounds-check"
+ #########
+ # Debug #
+ #########
+
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 5; then
+ DEBUG_FCFLAGS="-fcheck=all"
+ else
+ DEBUG_FCFLAGS="-fbounds-check"
+ fi
+
+ ###########
+ # Symbols #
+ ###########
- # Symbols
SYMBOLS_FCFLAGS="-g"
NO_SYMBOLS_FCFLAGS="-s"
- # Profiling
+ #############
+ # Profiling #
+ #############
+
PROFILE_FCFLAGS="-pg"
- # Optimization
- HIGH_OPT_FCFLAGS="-O2"
- DEBUG_OPT_FCFLAGS="-O0"
+ ################
+ # Optimization #
+ ################
+
+ if test $f9x_vers_major -le 4; then
+ HIGH_OPT_FCFLAGS="-O3"
+ DEBUG_OPT_FCFLAGS=
+ else
+ HIGH_OPT_FCFLAGS="-O3"
+ DEBUG_OPT_FCFLAGS="-Og"
+ fi
NO_OPT_FCFLAGS="-O0"
- # Flags are set
+ ############
+ # Warnings #
+ ############
+
+ ###########
+ # General #
+ ###########
+
+ H5_FCFLAGS="$H5_FCFLAGS -pedantic -Wall -Wextra -Wunderflow -Wimplicit-interface -Wsurprising"
+ H5_FCFLAGS="$H5_FCFLAGS -Waliasing -Wcharacter-truncation"
+
+ #############################
+ # Version-specific warnings #
+ #############################
+
+ # gfortran 4.3 (nothing new)
+
+ # gfortran 4.4
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 4; then
+ H5_FCFLAGS="$H5_FCFLAGS -Warray-temporaries -Wintrinsics-std"
+ fi
+
+ # gfortran 4.5
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 5; then
+ H5_FCFLAGS="$H5_FCFLAGS -Wimplicit-procedure"
+ fi
+
+ # gfortran 4.6 (nothing new)
+
+ # gfortran 4.7
+ if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 7; then
+ H5_FCFLAGS="$H5_FCFLAGS -Wreal-q-constant -Wfunction-elimination"
+ fi
+
+ # 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 -Wrealloc-lhs -Wrealloc-lhs-all"
+ # Turn off warnings for passing non-ANSI types to BIND().
+ # We pass a lot of hid_t, etc. types so this generates a LOT of spurious warnings.
+ H5_FCFLAGS="$H5_FCFLAGS -Wno-c-binding-type"
+ fi
+
+ # gfortran 4.9 (nothing new)
+
+ # gfortran 5
+ if test $f9x_vers_major -ge 5; then
+ H5_FCFLAGS="$H5_FCFLAGS -Wuse-without-only"
+ fi
+
+ # gfortran 6
+ if test $f9x_vers_major -ge 6; then
+ H5_FCFLAGS="$H5_FCFLAGS -Winteger-division"
+ fi
+
+ # gfortran 7 (nothing new)
+
+ # gfortran 8
+ if test $f9x_vers_major -ge 8; then
+ H5_FCFLAGS="$H5_FCFLAGS -Wfrontend-loop-interchange"
+ fi
+
+ # gfortran 9 (nothing new)
+
+ #################
+ # Flags are set #
+ #################
f9x_flags_set=yes
fi