diff options
Diffstat (limited to 'config/gnu-cxxflags')
-rw-r--r-- | config/gnu-cxxflags | 890 |
1 files changed, 190 insertions, 700 deletions
diff --git a/config/gnu-cxxflags b/config/gnu-cxxflags index f8a6d8c..73f49ba 100644 --- a/config/gnu-cxxflags +++ b/config/gnu-cxxflags @@ -1,4 +1,4 @@ -# -*- shell-script -*- +# -*- shell-script -*- # # Copyright by The HDF Group. # Copyright by the Board of Trustees of the University of Illinois. @@ -17,19 +17,51 @@ # if the compiler is not GNU; otherwise `cxx_flags_set' is set to `yes' # +# +# For now, do not promote any warnings to errors. +# +PROMOTE_ERRORS_DFLT=no + +# +# This filter rewrites -Werror= as -W, in that way demoting warnings +# promoted to errors back to warnings, if PROMOTE_ERRORS is no. +# +demote_errors() +{ + if [ ${PROMOTE_ERRORS:-${PROMOTE_ERRORS_DFLT}} = no ]; then + sed 's,-Werror=,-W,g' + else + cat + fi +} + +# +# Prepend `$srcdir/config/gnu-warnings/` to the filename suffix(es) given as +# subroutine argument(s), remove comments starting with # and ending +# at EOL, replace spans of whitespace (including newlines) with spaces, +# and re-emit the file(s) thus filtered on the standard output stream. +# +load_gnu_arguments() +{ + set -- $(for arg; do + sed 's,#.*$,,' $srcdir/config/gnu-warnings/${arg} | demote_errors + done) + IFS=' ' echo "$*" +} + # Get the compiler version in a way that works for g++ # unless a compiler version is already known # # cxx_vendor: The compiler name: g++ # cxx_version: Version number: 2.91.60, 2.7.2.1 # -if test X = "X$cxx_flags_set"; then +if test "X-" = "X-$cxx_flags_set"; then # PathScale compiler spits out gcc version string too. Need to # filter it out. # icc beginning with version 12 includes a "gcc version compatiblilty" - # string, causing the gcc H5_CFLAGS to be erroneously added. The line + # string, causing the gcc H5_CXXFLAGS to be erroneously added. The line # "grep -v 'icc version'" causes the discarding of any output - # containing 'icc version'. The cc_version for icc is correctly determined + # containing 'icc version'. The cxx_version for icc is correctly determined # and flags added in the intel-flags script. cxx_version="`$CXX $CXXFLAGS $H5_CXXFLAGS -v 2>&1 | grep -v 'PathScale' |\ grep -v '^icc.*version' |\ @@ -37,13 +69,13 @@ if test X = "X$cxx_flags_set"; then 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$cxx_version"; then - cxx_vendor=g++ + cxx_vendor=g++ fi if test "-" != "$cxx_vendor-$cxx_version"; then - echo "compiler '$CXX' is GNU $cxx_vendor-$cxx_version" + echo "compiler '$CXX' is GNU $cxx_vendor-$cxx_version" fi - # Some version numbers + # Get the compiler version numbers cxx_vers_major=`echo $cxx_version | cut -f1 -d.` cxx_vers_minor=`echo $cxx_version | cut -f2 -d.` cxx_vers_patch=`echo $cxx_version | cut -f3 -d.` @@ -53,10 +85,12 @@ if test X = "X$cxx_flags_set"; then 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-$cxx_version" in - g++*) - # Architecture-specific flags +if test "X-g++" = "X-$cxx_vendor"; then + + ############################### + # Architecture-specific flags # + ############################### + arch= case "$host_os-$host_cpu" in # FreeBSD sets the information from "uname -m" to the general machine @@ -84,742 +118,198 @@ case "$cxx_vendor-$cxx_version" in ;; 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" + H5_CXXFLAGS="$H5_CXXFLAGS $arch + + ############## + # Production # + ############## - # Production # NDEBUG is handled explicitly by the configure script - case "$cxx_vendor-$cxx_version" in - g++-[34].*) + if test $cxx_vers_major -le 4; then PROD_CXXFLAGS= - ;; - g++-[56].*) + else PROD_CXXFLAGS="-fstdarg-opt" - ;; - *) - PROD_CXXFLAGS="-finline-functions" - ;; - esac + fi + + ######### + # Debug # + ######### - # Debug # NDEBUG is handled explicitly by the configure script - # -g is hanled by the symbols flags - case "$cxx_vendor-$cxx_version" in - g++-[56].*) - DEBUG_CXXFLAGS="-ftrapv -fno-common" - ;; - *) + # -g is handled by the symbols flags + if test $cxx_vers_major -le 4; then DEBUG_CXXFLAGS= - ;; - esac + else + DEBUG_CXXFLAGS="-ftrapv -fno-common" + fi + + ########### + # Symbols # + ########### - # Symbols NO_SYMBOLS_CXXFLAGS="-s" SYMBOLS_CXXFLAGS="-g" - # Profile + ############# + # Profiling # + ############# + PROFILE_CXXFLAGS="-pg" - # Optimization - case "$cxx_vendor-$cxx_version" in - g++-[34].*) + ################ + # Optimization # + ################ + + if test $cxx_vers_major -le 4; then HIGH_OPT_CXXFLAGS="-O3" DEBUG_OPT_CXXFLAGS= - ;; - g++-[56].*) + else HIGH_OPT_CXXFLAGS="-O3" DEBUG_OPT_CXXFLAGS="-Og" - ;; - *) - HIGH_OPT_CXXFLAGS="-O" - DEBUG_OPT_CXXFLAGS= - ;; - esac + fi NO_OPT_CXXFLAGS="-O0" - # Flags are set - cxx_flags_set=yes - ;; -esac - -# Version-specific g++ flags -# -# Please follow the pattern below by adding new versions at the top, copying -# the information from the previous version and adding modifications to that. -case "$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" + ############ + # Warnings # + ############ - # The "unreachable code" flag generates many spurious C++ warnings. - # We'll disable it for now. - #H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code" +# First load the C warnings then add CXX warnings (if needed) - # Append warning flags from gcc-3.3* case - H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels" + ########### + # General # + ########### - # Append warning flags from gcc-3.4* case - H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch" + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments general)" + H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-general)" + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments cxx-general)" + #H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-cxx-general)" - # Replace old -W flag with new -Wextra flag - H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" + ###################### + # Developer warnings # + ###################### - # Append more extra warning flags that only gcc 4.0+ know about - H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" + NO_DEVELOPER_WARNING_CXXFLAGS=$(load_gnu_arguments no-developer-general) + DEVELOPER_WARNING_CXXFLAGS=$(load_gnu_arguments developer-general) - # Append more extra warning flags that only gcc 4.1+ know about - H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations" + ####################### + # gcc 4 special cases # + ####################### - # Append more extra warning flags that only gcc 4.2+ know about - H5_CXXFLAGS="$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" + # GCC 4.2 through 4.6 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 6; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.6)" + fi - # Append warning flags from gcc-3* case - # (don't use -Wpadded flag for normal builds, many of the warnings its - # issuing can't be fixed and they are making it hard to detect other, - # more important warnings) - #H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" - H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute" + # GCC 4.2 through 4.3 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 3; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.3)" + fi - # Append warning flags from gcc-3.2* case - H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" + # GCC 4.5 through 4.6 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 6; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.5-4.6)" + fi - # Enable more format checking flags, beyond the basic -Wformat included - # in -Wall - H5_CXXFLAGS="$H5_CXXFLAGS -Wformat=2" + # GCC 4.2 through 4.4 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -a $cc_vers_major -eq 4 -a $cc_vers_minor -le 4; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.4)" + fi - # The "unreachable code" flag generates many spurious C++ warnings. - # We'll disable it for now. - #H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code" + # GCC 4.2 through the end of GCC 4 series + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.last)" + fi - # Append warning flags from gcc-3.3* case - H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels" + ############################# + # Version-specific warnings # + ############################# - # Append warning flags from gcc-3.4* case - H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch" + # gcc >= 4.3 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 3; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.3)" + fi - # Replace old -W flag with new -Wextra flag - H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" + # gcc >= 4.4 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 4; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.4)" + fi - # Append more extra warning flags that only gcc 4.0+ know about - H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" + # gcc >= 4.5 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.5)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-4.5)" + NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments no-developer-4.5)" + fi - # Append more extra warning flags that only gcc 4.1+ know about - H5_CXXFLAGS="$H5_CXXFLAGS -Wunsafe-loop-optimizations -Wvolatile-register-var" - ;; + # gcc >= 4.6 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 6; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.6)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-4.6)" + NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments no-developer-4.6)" + fi - g++-4.0*) - # Disable warnings about using 'long long' type - H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long" + # gcc >= 4.7 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 7; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.7)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-4.7)" + NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments no-developer-4.7)" + fi - # Append warning flags from gcc-3* case - # (don't use -Wpadded flag for normal builds, many of the warnings its - # issuing can't be fixed and they are making it hard to detect other, - # more important warnings) - #H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" - H5_CXXFLAGS="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute" + # gcc >= 4.8 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.8)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-4.8)" + NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments no-developer-4.8)" + fi - # Append warning flags from gcc-3.2* case - H5_CXXFLAGS="$H5_CXXFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" + # gcc >= 4.9 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 9; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.9)" + fi - # The "format=2" warning generates too many warnings about valid - # usage in the library. - #CXXFLAGS="$CXXFLAGS -Wformat=2" + # gcc >= 5 + if test $cc_vers_major -ge 5; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 5)" + H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-5)" + fi - # The "unreachable code" flag generates many spurious C++ warnings. - # We'll disable it for now. - #H5_CXXFLAGS="$H5_CXXFLAGS -Wunreachable-code" + # gcc >= 6 + if test $cc_vers_major -ge 6; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 6)" + fi - # Append warning flags from gcc-3.3* case - H5_CXXFLAGS="$H5_CXXFLAGS -Wendif-labels" + # gcc >= 7 + if test $cc_vers_major -ge 7; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 7)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-7)" + fi - # Append warning flags from gcc-3.4* case - H5_CXXFLAGS="$H5_CXXFLAGS -Winvalid-pch" - - # Replace old -W flag with new -Wextra flag - H5_CXXFLAGS="`echo $H5_CXXFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" + # gcc 8 + if test $cc_vers_major -ge 8; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 8)" + H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-8)" + DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments developer-8)" + NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gcc_arguments no-developer-8)" + fi - # Append more extra warning flags that only gcc 4.0+ know about - H5_CXXFLAGS="$H5_CXXFLAGS -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" - ;; + # gcc 9 + if test $cc_vers_major -ge 9; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 9)" + fi - g++-3.4*) - # Disable warnings about using 'long long' type - H5_CXXFLAGS="$H5_CXXFLAGS -Wno-long-long" + ################# + # Flags are set # + ################# + cxx_flags_set=yes +fi - # 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" +# Version-specific g++ flags - # 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="$H5_CXXFLAGS -Wfloat-equal -Wmissing-format-attribute" - ;; -esac +# This flag was left behind when moving warnings flags to common files for +# both autotools and CMake. +# # Append more extra warning flags that only gcc 4.9+ know about +# -Wopenmp-simd" # Clear cxx info if no flags set if test "X$cxx_flags_set" = "X"; then |