hdf5/config/gnu-cxxflags

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# -*- shell-script -*-
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the files COPYING and Copyright.html. COPYING can be found at the root
# of the source code distribution tree; Copyright.html can be found at the
# root level of an installed copy of the electronic HDF5 document set and
# is linked from the top-level documents page. It can also be found at
# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
# access to either file, you may request a copy from help@hdfgroup.org.
# This file should be sourced into configure if the compiler is the
# GNU g++ compiler or a derivative. It is careful not to do anything
# if the compiler is not GNU; otherwise `cxx_flags_set' is set to `yes'
#
# Get the compiler version in a way that works for g++
# unless a compiler version is already known
#
# cxx_vendor: The compiler name: g++
# cxx_version: Version number: 2.91.60, 2.7.2.1
#
if test X = "X$cxx_flags_set"; then
# PathScale compiler spits out gcc version string too. Need to
# filter it out.
# icc beginning with version 12 includes a "gcc version compatiblilty"
# string, causing the gcc H5_CFLAGS to be erroneously added. The line
# "grep -v 'icc version'" causes the discarding of any output
# containing 'icc version'. The cc_version for icc is correctly determined
# and flags added in the intel-flags script.
cxx_version="`$CXX $CXXFLAGS $H5_CXXFLAGS -v 2>&1 | grep -v 'PathScale' |\
grep -v 'icc version' |\
grep 'gcc version' | sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
cxx_vendor=`echo $cxx_version |sed 's/\([a-z]*\).*/\1/'`
cxx_version=`echo $cxx_version |sed 's/[-a-z]//g'`
if test X = "X$cxx_vendor" -a X != "X$cxx_version"; then
cxx_vendor=g++
fi
if test "-" != "$cxx_vendor-$cxx_version"; then
echo "compiler '$CXX' is GNU $cxx_vendor-$cxx_version"
fi
# Some version numbers
cxx_vers_major=`echo $cxx_version | cut -f1 -d.`
cxx_vers_minor=`echo $cxx_version | cut -f2 -d.`
cxx_vers_patch=`echo $cxx_version | cut -f3 -d.`
test -n "$cc_vers_major" || cxx_vers_major=0
test -n "$cc_vers_minor" || cxx_vers_minor=0
test -n "$cc_vers_patch" || cxx_vers_patch=0
cxx_vers_all=`expr $cxx_vers_major '*' 1000000 + $cxx_vers_minor '*' 1000 + $cxx_vers_patch`
fi
# Common g++ flags for various situations
case "$cxx_vendor-$cxx_version" in
g++*)
# Architecture-specific flags
arch=
case "$host_os-$host_cpu" in
# FreeBSD sets the information from "uname -m" to the general machine
# architecture, not the specific CPU for the machine, so even our
# Pentium II Xeon server is set to "i386". Once we know we are on a FreeBSD
# machine, use the "sysctl" command to get the CPU hardware model.
freebsd*-i386)
host_cpu_model=`sysctl -n hw.model`
case "$host_cpu_model" in
# Hmm.. this might not catch Celerons, but it won't hurt them either...
*Pro*|*II*|*III*|*IV*|*Athlon*)
# architecture-specific optimizations cause problems
# for some users who build binaries to be used on
# multiple architectures.
# arch="-march=i686"
;;
esac
;;
*-i686)
# architecture-specific optimizations cause problems
# for some users who build binaries to be used on
# multiple architectures.
# arch="-march=i686"
;;
esac
# Host-specific flags
case "`hostname`" in
sleipnir.ncsa.uiuc.edu)
arch="$arch -pipe"
;;
esac
# General (copied from H5_CFLAGS)
H5_CXXFLAGS="$H5_CXXFLAGS $arch -pedantic -Wall -W -Wundef -Wshadow -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Wredundant-decls -Winline"
# C++-specific
H5_CXXFLAGS="$H5_CXXFLAGS -Wsign-promo -Woverloaded-virtual -Wold-style-cast -Weffc++ -Wreorder -Wnon-virtual-dtor -Wctor-dtor-privacy -Wabi"
# Production
# NDEBUG is handled explicitly by the configure script
case "$cxx_vendor-$cxx_version" in
g++-[34].*)
PROD_CXXFLAGS=
;;
g++-[56].*)
PROD_CXXFLAGS="-fstdarg-opt"
;;
*)
PROD_CXXFLAGS="-finline-functions"
;;
esac
# Debug
# NDEBUG is handled explicitly by the configure script
# -g is hanled by the symbols flags
case "$cxx_vendor-$cxx_version" in
g++-[56].*)
DEBUG_CXXFLAGS="-ftrapv -fno-common"
;;
*)
DEBUG_CXXFLAGS=
;;
esac
# Symbols
NO_SYMBOLS_CXXFLAGS="-s"
SYMBOLS_CXXFLAGS="-g"
# Profile
PROFILE_CXXFLAGS="-pg"
# Optimization
case "$cxx_vendor-$cxx_version" in
g++-[34].*)
HIGH_OPT_CXXFLAGS="-O3"
DEBUG_OPT_CXXFLAGS=
;;
g++-[56].*)
HIGH_OPT_CXXFLAGS="-O3"
DEBUG_OPT_CXXFLAGS="-Og"
;;
*)
HIGH_OPT_CXXFLAGS="-O"
DEBUG_OPT_CXXFLAGS=
;;
esac
NO_OPT_CXXFLAGS="-O0"
# Flags are set
cxx_flags_set=yes
;;
esac
# Version-specific g++ flags
#
# Please follow the pattern below by adding new versions at the top, copying
# the information from the previous version and adding modifications to that.
case "$cxx_vendor-$cxx_version" in
# Closer to the g++ 5.2 release, we should check for additional flags to
# include and break it out into it's own section, like the other versions
# below. -QAK
g++-[56]*)
# Append warning flags from gcc-3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow=5"
# Append more extra warning flags that only gcc 4.6+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines"
# Append more extra warning flags that only gcc 4.7+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
# Append more extra warning flags that only gcc 4.8+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsuggest-attribute=format"
# Append more extra warning flags that only gcc 4.9+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdate-time -Wopenmp-simd"
# (There was no release of gcc 5.0)
# Append more extra warning flags that only gcc 5.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Warray-bounds=2"
;;
g++-4.9*)
# Append warning flags
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc 3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc 3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow=5"
# Append more extra warning flags that only gcc 4.6+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines"
# Append more extra warning flags that only gcc 4.7+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
# Append more extra warning flags that only gcc 4.8+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsuggest-attribute=format"
# Append more extra warning flags that only gcc 4.9+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdate-time -Wopenmp-simd"
;;
g++-4.8*)
# Append warning flags
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow=5"
# Append more extra warning flags that only gcc 4.6+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines"
# Append more extra warning flags that only gcc 4.7+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
# Append more extra warning flags that only gcc 4.8+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsuggest-attribute=format"
;;
g++-4.7*)
# Append warning flags
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow=5"
# Append more extra warning flags that only gcc 4.6+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines"
# Append more extra warning flags that only gcc 4.7+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
;;
g++-4.6*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ knows about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-aliasing -Wstrict-overflow=5"
# Append more extra warning flags that only gcc 4.6+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines"
;;
g++-4.5*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc4.0+ knows about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
# Append more extra warning flags that only gcc 4.5+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-aliasing -Wstrict-overflow=5"
;;
g++-4.4*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
# Append more extra warning flags that only gcc 4.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
;;
g++-4.3*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations -Wvolatile-register-var"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
# Append more extra warning flags that only gcc 4.3+ know about
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
H5_CXXFLAGS="$H5_CXXFLAGS -Wlogical-op -Wvla"
;;
g++-4.2*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations -Wvolatile-register-var"
# Append more extra warning flags that only gcc 4.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wstrict-overflow"
;;
g++-4.1.*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# Enable more format checking flags, beyond the basic -Wformat included
# in -Wall
H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
# Append more extra warning flags that only gcc 4.1+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations -Wvolatile-register-var"
;;
g++-4.0*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# The "format=2" warning generates too many warnings about valid
# usage in the library.
#CXXFLAGS="$CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append warning flags from gcc-3.4* case
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
# Append more extra warning flags that only gcc 4.0+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros"
;;
g++-3.4*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# The "format=2" warning generates too many warnings about valid
# usage in the library.
#CXXFLAGS="$CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append warning flags from gcc-3.3* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
# Append more extra warning flags that only gcc3.4+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch"
# Replace old -W flag with new -Wextra flag
H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
;;
g++-3.3*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append warning flags from gcc-3.2* case
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# The "format=2" warning generates too many warnings about valid
# usage in the library.
#CXXFLAGS="$CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
# Append more extra warning flags that only gcc3.3+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels"
;;
g++-3.2*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append warning flags from gcc-3* case
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
# Append more extra warning flags that only gcc3.2+ know about
H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization"
# The "format=2" warning generates too many warnings about valid
# usage in the library.
#CXXFLAGS="$CXXFLAGS -Wformat=2"
# The "unreachable code" flag generates many spurious C++ warnings.
# We'll disable it for now.
#H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code"
;;
g++-3*)
# Disable warnings about using 'long long' type
H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long"
# Append some extra warning flags that only gcc3+ know about
# (don't use -Wpadded flag for normal builds, many of the warnings its
# issuing can't be fixed and they are making it hard to detect other,
# more important warnings)
#H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute"
;;
esac
# Clear cxx info if no flags set
if test "X$cxx_flags_set" = "X"; then
cxx_vendor=
cxx_version=
fi