# -*- 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 $arch -pedantic -Wall -W -Wundef -Wshadow -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wmissing-declarations -Wredundant-decls -Winline" # C++-specific H5_CXXFLAGS="$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++-5.*) 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++-5.*) 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++-5.*) 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++-5*) # 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="$H5_CXXFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CXXFLAGS="$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" warning appears to be reliable 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="$H5_CXXFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CXXFLAGS="$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" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #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" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #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="$H5_CXXFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #H5_CXXFLAGS="$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" warning appears to be reliable 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="$H5_CXXFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CXXFLAGS="$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" warning does not appear to be reliable yet... 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="$H5_CXXFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... H5_CXXFLAGS="$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" warning does not appear to be reliable yet... #CXXFLAGS="$CXXFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CXXFLAGS="$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="$CXXFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CXXFLAGS="$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" warning does not appear to be reliable yet... #CXXFLAGS="$CXXFLAGS -Wunreachable-code" # Append more extra warning flags that only gcc3.3+ know about H5_CXXFLAGS="$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="$CXXFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CXXFLAGS="$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