diff options
Diffstat (limited to 'config/gnu-flags')
| -rw-r--r-- | config/gnu-flags | 879 |
1 files changed, 163 insertions, 716 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index 008e819..ee570c5 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -1,4 +1,4 @@ -# -*- shell-script -*- +# -*- shell-script -*- # # Copyright by The HDF Group. # Copyright by the Board of Trustees of the University of Illinois. @@ -7,23 +7,55 @@ # 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. +# distribution tree, or in https://www.hdfgroup.org/licenses. # 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' +# if the compiler is not GNU; otherwise 'cc_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} + done) + IFS=' ' echo "$*" +} + # Get the compiler version in a way that works for gcc # unless a compiler version is already known # # cc_vendor: The compiler name: gcc # cc_version: Version number: 2.91.60, 2.7.2.1 # -if test X = "X$cc_flags_set"; then +if test "X-" = "X-$cc_flags_set"; then # PathScale compiler spits out gcc version string too. Need to # filter it out. # icc beginning with version 12 includes a "gcc version compatiblilty" @@ -32,31 +64,32 @@ if test X = "X$cc_flags_set"; then # 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 -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$cc_version"; then - cc_vendor=gcc + cc_vendor=gcc fi if test "-" != "$cc_vendor-$cc_version"; then - echo "compiler '$CC' is GNU $cc_vendor-$cc_version" + echo "compiler '$CC' is GNU $cc_vendor-$cc_version" fi - # Some version numbers + # Get the compiler 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-$cc_version" in - gcc*) - # Architecture-specific flags +if test "X-gcc" = "X-$cc_vendor"; then + + ############################### + # Architecture-specific flags # + ############################### + arch= case "$host_os-$host_cpu" in # FreeBSD sets the information from "uname -m" to the general machine @@ -84,741 +117,155 @@ case "$cc_vendor-$cc_version" in ;; esac - # Host-specific flags - case "`hostname`" in - sleipnir.ncsa.uiuc.edu) - arch="$arch -pipe" + case "$host_os-$host_cpu" in + # cygwin needs the "-std=c99" flag removed, so make + # a specific case for Cygwin without the flag and a default + # case to add the flag everywhere else + cygwin-*) ;; - esac - # General - H5_CFLAGS="$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-$cc_version" in - gcc-5.*) - DEBUG_CFLAGS="-Og -g -ftrapv -fno-common" - ;; - *) - DEBUG_CFLAGS="-g" - ;; + *) + H5_CFLAGS="$H5_CFLAGS -std=c99" + ;; 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="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" - ;; + H5_CFLAGS="$H5_CFLAGS $arch" - gcc-4.6*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + ############## + # Production # + ############## - # 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" + # NDEBUG is handled explicitly by the configure script + if test $cc_vers_major -le 4; then + PROD_CFLAGS= + else + PROD_CFLAGS="-fstdarg-opt" + fi - # The "format=2" warning generates too many warnings about valid - # usage in the library. - #CFLAGS="$CFLAGS -Wformat=2" + ######### + # Debug # + ######### - # The "unreachable code" warning does not appear to be reliable yet... - #CFLAGS="$CFLAGS -Wunreachable-code" + # NDEBUG is handled explicitly by the configure script + # -g is handled by the symbols flags + if test $cc_vers_major -le 4; then + DEBUG_CFLAGS= + else + DEBUG_CFLAGS="-ftrapv -fno-common" + fi - # Append warning flags from gcc-3.3* case - H5_CFLAGS="$H5_CFLAGS -Wendif-labels" + ########### + # Symbols # + ########### - # Append warning flags from gcc-3.4* case - H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" + NO_SYMBOLS_CFLAGS="-s" + SYMBOLS_CFLAGS="-g -fno-omit-frame-pointer" - # Replace old -W flag with new -Wextra flag - H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" + ############# + # Profiling # + ############# - # Append more extra warning flags that only gcc 4.0+ know about - H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" - ;; + PROFILE_CFLAGS="-pg" - gcc-3.4*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + ################ + # Optimization # + ################ - # Append warning flags from gcc-3* case - # (don't use -Wpadded flag for normal builds, many of the warnings its - # issuing can't be fixed and they are making it hard to detect other, - # more important warnings) - #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" - H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" + if test $cc_vers_major -le 4; then + HIGH_OPT_CFLAGS="-O3" + DEBUG_OPT_CFLAGS= + else + HIGH_OPT_CFLAGS="-O3" + DEBUG_OPT_CFLAGS="-Og" + fi + NO_OPT_CFLAGS="-O0" - # Append warning flags from gcc-3.2* case - H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" + ############ + # Warnings # + ############ - # The "format=2" warning generates too many warnings about valid - # usage in the library. - #CFLAGS="$CFLAGS -Wformat=2" + ########### + # General # + ########### - # The "unreachable code" warning does not appear to be reliable yet... - #CFLAGS="$CFLAGS -Wunreachable-code" + # Add various general warning flags in gnu-warnings for gcc versions 4.8 and later. + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8 -o $cc_vers_major -gt 4; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments general)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gnu_arguments error-general)" - # Append warning flags from gcc-3.3* case - H5_CFLAGS="$H5_CFLAGS -Wendif-labels" + ###################### + # Developer warnings # + ###################### - # Append more extra warning flags that only gcc3.4+ know about - H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch" + NO_DEVELOPER_WARNING_CFLAGS=$(load_gnu_arguments no-developer-general) + DEVELOPER_WARNING_CFLAGS=$(load_gnu_arguments developer-general) - # Replace old -W flag with new -Wextra flag - H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" - ;; + fi - gcc-3.3*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + ####################### + # gcc 4 special cases # + ####################### - # 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" + # GCC 4.8 through the end of GCC 4 series + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 4.8-4.last)" + fi - # Append warning flags from gcc-3.2* case - H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" + ############################# + # Version-specific warnings # + ############################# - # The "format=2" warning generates too many warnings about valid - # usage in the library. - #CFLAGS="$CFLAGS -Wformat=2" + # gcc >= 4.8 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 4.8)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gnu_arguments developer-4.8)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gnu_arguments no-developer-4.8)" + fi - # The "unreachable code" warning does not appear to be reliable yet... - #CFLAGS="$CFLAGS -Wunreachable-code" + # gcc >= 4.9 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 9; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 4.9)" + fi - # Append more extra warning flags that only gcc3.3+ know about - H5_CFLAGS="$H5_CFLAGS -Wendif-labels" - ;; + # gcc >= 5 + if test $cc_vers_major -ge 5; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 5)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gnu_arguments error-5)" + fi - gcc-3.2*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$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" + # gcc >= 6 + if test $cc_vers_major -ge 6; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 6)" + fi - # The "format=2" warning generates too many warnings about valid - # usage in the library. - #CFLAGS="$CFLAGS -Wformat=2" + # gcc >= 7 + if test $cc_vers_major -ge 7; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 7)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gnu_arguments developer-7)" + fi - # The "unreachable code" warning does not appear to be reliable yet... - #CFLAGS="$CFLAGS -Wunreachable-code" - ;; + # gcc 8 + if test $cc_vers_major -ge 8; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 8)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gnu_arguments error-8)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gnu_arguments developer-8)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gnu_arguments no-developer-8)" + fi - gcc-3*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # gcc 9 + if test $cc_vers_major -ge 9; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments 9)" + fi - # Append some extra warning flags that only gcc3+ know about - # (don't use -Wpadded flag for normal builds, many of the warnings its - # issuing can't be fixed and they are making it hard to detect other, - # more important warnings) - #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" - H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" - ;; -esac + ################# + # Flags are set # + ################# + cc_flags_set=yes +fi # Clear cc info if no flags set if test "X$cc_flags_set" = "X"; then - cc_vendor= - cc_version= + cc_vendor= + cc_version= fi + |