diff options
Diffstat (limited to 'config/gnu-cxxflags')
| -rw-r--r-- | config/gnu-cxxflags | 828 |
1 files changed, 828 insertions, 0 deletions
diff --git a/config/gnu-cxxflags b/config/gnu-cxxflags new file mode 100644 index 0000000..e0f2999 --- /dev/null +++ b/config/gnu-cxxflags @@ -0,0 +1,828 @@ +# -*- 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 COPYING file, which can be found at the root of the source code +# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. +# 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 |