# -*- 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 gcc compiler or a derivative. It is careful not to do anything # if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes' # # Get the compiler version in a way that works for gcc # unless a compiler version is already known # # cc_vendor: The compiler name: gcc # cc_version: Version number: 2.91.60, 2.7.2.1 # if test X = "X$cc_flags_set"; then # PathScale compiler spits out gcc version string too. Need to # filter it out. # icc beginning with version 12 includes a "gcc version compatiblilty" # string, causing the gcc H5_CFLAGS to be erroneously added. The line # "grep -v 'icc version'" causes the discarding of any output # containing 'icc version'. The cc_version for icc is correctly determined # and flags added in the intel-flags script. cc_version="`$CC $CFLAGS $H5_CFLAGS -v 2>&1 | grep -v 'PathScale' |\ grep -v 'icc version' |\ grep 'gcc version' | sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`" cc_vendor=`echo $cc_version |sed 's/\([a-z]*\).*/\1/'` cc_version=`echo $cc_version |sed 's/[-a-z]//g'` if test X = "X$cc_vendor" -a X != "X$cc_version"; then cc_vendor=gcc fi if test "-" != "$cc_vendor-$cc_version"; then echo "compiler '$CC' is GNU $cc_vendor-$cc_version" fi # Some version numbers cc_vers_major=`echo $cc_version | cut -f1 -d.` cc_vers_minor=`echo $cc_version | cut -f2 -d.` cc_vers_patch=`echo $cc_version | cut -f3 -d.` test -n "$cc_vers_major" || cc_vers_major=0 test -n "$cc_vers_minor" || cc_vers_minor=0 test -n "$cc_vers_patch" || cc_vers_patch=0 cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch` fi # Common GCC flags for various situations case "$cc_vendor-$cc_version" in gcc*) # Architecture-specific flags arch= case "$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="$arch -pipe" ;; esac # General H5_CFLAGS="$H5_CFLAGS $arch -std=c99 -pedantic -Wall -W -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline" # Production case "$cc_vendor-$cc_version" in gcc-[34].*) PROD_CFLAGS="-O3" ;; gcc-5.*) PROD_CFLAGS="-O3 -fstdarg-opt" ;; *) PROD_CFLAGS="-O -finline-functions" ;; esac PROD_CPPFLAGS= # Debug case "$cc_vendor-$cc_version" in gcc-5.*) DEBUG_CFLAGS="-Og -g -ftrapv -fno-common" ;; *) DEBUG_CFLAGS="-g" ;; esac #DEBUG_CFLAGS="$DEBUG_CFLAGS -fsanitize=undefined" DEBUG_CPPFLAGS= # Try out the new "stack protector" feature introduced in gcc 4.1 # (We should also think about adding some of the other memory protection options) #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" # Profile PROFILE_CFLAGS="-Og -g -pg" PROFILE_CPPFLAGS= # Flags are set cc_flags_set=yes ;; esac # Version specific GCC flags # # Please follow the pattern below by adding new versions at the top, copying # the information from the previous version and adding modifications to that. case "$cc_vendor-$cc_version" in # Closer to the gcc 5.2 release, we should check for additional flags to # include and break it out into it's own section, like the other versions # below. -QAK gcc-5*) # Append warning flags # Don't use the '-Wtraditional' flag, we're way past having K&R C code # H5_CFLAGS="$H5_CFLAGS -Wtraditional" # Don't use the '-Wtraditional-conversion' flag, there's too many warnings # from GCC's assert macro # H5_CFLAGS="$H5_CFLAGS -Wtraditional-conversion" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" # Append more extra warning flags that only gcc 4.6+ know about H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" # Append more extra warning flags that only gcc 4.7+ know about H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" # Append more extra warning flags that only gcc 4.8+ know about H5_CFLAGS="$H5_CFLAGS -Wsuggest-attribute=format" # Append more extra warning flags that only gcc 4.9+ know about H5_CFLAGS="$H5_CFLAGS -Wdate-time -Wopenmp-simd" # (There was no release of gcc 5.0) # Append more extra warning flags that only gcc 5.1+ know about H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat" ;; gcc-4.9*) # Append warning flags # Don't use the '-Wtraditional' flag, we're way past having K&R C code # H5_CFLAGS="$H5_CFLAGS -Wtraditional" # Don't use the '-Wtraditional-conversion' flag, there's too many warnings # from GCC's assert macro # H5_CFLAGS="$H5_CFLAGS -Wtraditional-conversion" # 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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" # Append more extra warning flags that only gcc 4.6+ know about H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" # Append more extra warning flags that only gcc 4.7+ know about H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" # Append more extra warning flags that only gcc 4.8+ know about H5_CFLAGS="$H5_CFLAGS -Wsuggest-attribute=format" # Append more extra warning flags that only gcc 4.9+ know about H5_CFLAGS="$H5_CFLAGS -Wdate-time -Wopenmp-simd" ;; gcc-4.8*) # Append warning flags # Don't use the '-Wtraditional' flag, we're way past having K&R C code # H5_CFLAGS="$H5_CFLAGS -Wtraditional" # Don't use the '-Wtraditional-conversion' flag, there's too many warnings # from GCC's assert macro # H5_CFLAGS="$H5_CFLAGS -Wtraditional-conversion" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init" # Append more extra warning flags that only gcc 4.6+ know about H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" # Append more extra warning flags that only gcc 4.7+ know about H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" # Append more extra warning flags that only gcc 4.8+ know about H5_CFLAGS="$H5_CFLAGS -Wsuggest-attribute=format" ;; gcc-4.7*) # Append warning flags # Don't use the '-Wtraditional' flag, we're way past having K&R C code # H5_CFLAGS="$H5_CFLAGS -Wtraditional" # Don't use the '-Wtraditional-conversion' flag, there's too many warnings # from GCC's assert macro # H5_CFLAGS="$H5_CFLAGS -Wtraditional-conversion" # 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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" # Append more extra warning flags that only gcc 4.6+ know about H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" # Append more extra warning flags that only gcc 4.7+ know about H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" ;; gcc-4.6*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" # Append more extra warning flags that only gcc 4.6+ know about H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" ;; gcc-4.5*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... # (this warning was removed in gcc 4.5+) #H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" # Append more extra warning flags that only gcc 4.5+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" ;; gcc-4.4*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" # Append more extra warning flags that only gcc 4.4+ know about H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" ;; gcc-4.3*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning appears to be reliable now... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wlogical-op -Wvla" ;; gcc-4.2*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" ;; gcc-4.1.*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # Enable more format checking flags, beyond the basic -Wformat included # in -Wall H5_CFLAGS="$H5_CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... H5_CFLAGS="$H5_CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" # Append more extra warning flags that only gcc 4.1+ know about H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" ;; gcc-4.0*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append warning flags from gcc-3.4* case H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" ;; gcc-3.4*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append more extra warning flags that only gcc3.4+ know about H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" # Replace old -W flag with new -Wextra flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" ;; gcc-3.3*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -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_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append warning flags from gcc-3.2* case H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append more extra warning flags that only gcc3.3+ know about H5_CFLAGS="$H5_CFLAGS -Wendif-labels" ;; gcc-3.2*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append warning flags from gcc-3* case # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" # Append more extra warning flags that only gcc3.2+ know about H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" ;; gcc-3*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" # Append some extra warning flags that only gcc3+ know about # (don't use -Wpadded flag for normal builds, many of the warnings its # issuing can't be fixed and they are making it hard to detect other, # more important warnings) #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" ;; esac # Clear cc info if no flags set if test "X$cc_flags_set" = "X"; then cc_vendor= cc_version= fi