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author | Allen Byrne <byrn@hdfgroup.org> | 2020-03-31 12:38:25 (GMT) |
---|---|---|
committer | Allen Byrne <byrn@hdfgroup.org> | 2020-03-31 12:38:25 (GMT) |
commit | d9d6e19d6faa2fb60df8c8e011b4d0d66201de5c (patch) | |
tree | 85240d9da990b85cf0bc15ba2bc63f1b4a79d9ea /config/gnu-flags | |
parent | 9cc69ae1f308336e0e522c989d4cee9f72090815 (diff) | |
download | hdf5-d9d6e19d6faa2fb60df8c8e011b4d0d66201de5c.zip hdf5-d9d6e19d6faa2fb60df8c8e011b4d0d66201de5c.tar.gz hdf5-d9d6e19d6faa2fb60df8c8e011b4d0d66201de5c.tar.bz2 |
TRILAB-192 merging warnings changes from develop
Diffstat (limited to 'config/gnu-flags')
-rw-r--r-- | config/gnu-flags | 756 |
1 files changed, 196 insertions, 560 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index c73ec21..9f9deb1 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -18,6 +18,24 @@ # # +# 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-` 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, @@ -26,7 +44,7 @@ load_gcc_arguments() { set -- $(for arg; do - sed 's,#.*$,,' $srcdir/config/gnu-${arg} + sed 's,#.*$,,' $srcdir/config/gnu-warnings/${arg} | demote_errors done) IFS=' ' echo "$*" } @@ -71,7 +89,11 @@ fi # Common GCC flags for various situations case "$cc_vendor-$cc_version" in gcc*) - # Architecture-specific flags + + ############################### + # Architecture-specific flags # + ############################### + arch= case "$host_os-$host_cpu" in # FreeBSD sets the information from "uname -m" to the general machine @@ -99,578 +121,63 @@ case "$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-*) + ;; + + *) + H5_CFLAGS="$H5_CFLAGS -std=c99" ;; esac # General - H5_CFLAGS="$H5_CFLAGS $arch -std=c99" - H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-general)" - - # Production - case "$cc_vendor-$cc_version" in - gcc-[34].*) - PROD_CFLAGS="-O3" - ;; - gcc-5.*) - PROD_CFLAGS="-O3 -fstdarg-opt" - ;; - *) - PROD_CFLAGS="-O -finline-functions" - ;; - esac + H5_CFLAGS="$H5_CFLAGS $arch" + + ############## + # Production # + ############## + + # NDEBUG is handled explicitly by the configure script + if test $cc_vers_major -le 4; then + PROD_CFLAGS= + else + PROD_CFLAGS="-fstdarg-opt" + fi PROD_CPPFLAGS= - # Debug - case "$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 # + ######### + + # NDEBUG is handled explicitly by the configure script + # -g is handled by the symbols flags + if test $cc_vers_major -le 4; then + DEBUG_CFLAGS= + else + DEBUG_CFLAGS="-ftrapv -fno-common" + fi DEBUG_CPPFLAGS= - # Try out the new "stack protector" feature introduced in gcc 4.1 - # (We should also think about adding some of the other memory protection options) - #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" + ############# + # Profiling # + ############# - # Profile - PROFILE_CFLAGS="-Og -g -pg" + PROFILE_CFLAGS="-pg" PROFILE_CPPFLAGS= - - # Flags are set - cc_flags_set=yes ;; esac + ############ + # Warnings # + ############ + # 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" - ;; - + # older compiler versions gcc-4.1.*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" @@ -831,10 +338,139 @@ case "$cc_vendor-$cc_version" in #H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded" H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute" ;; + + gcc-*) + + ########### + # General # + ########### + + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments general)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments error-general)" + + ###################### + # Developer warnings # + ###################### + + NO_DEVELOPER_WARNING_CFLAGS=$(load_gcc_arguments no-developer-general) + DEVELOPER_WARNING_CFLAGS=$(load_gcc_arguments developer-general) + + ####################### + # gcc 4 special cases # + ####################### + + # 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 $cc_vers_minor -le 6; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.2-4.6)" + fi + + # 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 $cc_vers_minor -le 3; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.2-4.3)" + fi + + # 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 $cc_vers_minor -le 6; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.5-4.6)" + fi + + # 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 $cc_vers_minor -le 4; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.2-4.4)" + fi + + # GCC 4.2 through the end of GCC 4 series + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.2-4.last)" + fi + + ############################# + # Version-specific warnings # + ############################# + + # gcc >= 4.3 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 3; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.3)" + fi + + # gcc >= 4.4 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 4; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.4)" + fi + + # gcc >= 4.5 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.5)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-4.5)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments no-developer-4.5)" + fi + + # gcc >= 4.6 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 6; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.6)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-4.6)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments no-developer-4.6)" + fi + + # gcc >= 4.7 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 7; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 4.7)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-4.7)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments no-developer-4.7)" + fi + + # 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 $(load_gcc_arguments 4.8)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-4.8)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments no-developer-4.8)" + fi + + # 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_gcc_arguments 4.9)" + fi + + # gcc >= 5 + if test $cc_vers_major -ge 5; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 5)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments error-5)" + fi + + # gcc >= 6 + if test $cc_vers_major -ge 6; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 6)" + fi + + # gcc >= 7 + if test $cc_vers_major -ge 7; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 7)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-7)" + fi + + # gcc 8 + if test $cc_vers_major -ge 8; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 8)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments error-8)" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments developer-8)" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments no-developer-8)" + fi + + # gcc 9 + if test $cc_vers_major -ge 9; then + H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments 9)" + fi + ;; esac + ################# + # Flags are set # + ################# + cc_flags_set=yes +fi + # Clear cc info if no flags set if test "X$cc_flags_set" = "X"; then - cc_vendor= - cc_version= + cc_vendor= + cc_version= fi |