diff options
Diffstat (limited to 'config/gnu-flags')
| -rw-r--r-- | config/gnu-flags | 83 |
1 files changed, 77 insertions, 6 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index 40aa1da..a79cc72 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -186,10 +186,10 @@ esac # the information from the previous version and adding modifications to that. case "$cc_vendor-$cc_version" in -# Closer to the gcc 4.8 release, we should check for additional flags to +# Closer to the gcc 4.9 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-4.[78]*) + gcc-4.[89]*) # Replace -ansi flag with -std=c99 flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`" @@ -252,7 +252,81 @@ case "$cc_vendor-$cc_version" in H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines" # Append more extra warning flags that only gcc 4.7+ know about - H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance" + H5_CFLAGS="$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="$H5_CFLAGS -Wsuggest-attribute=format" + + # Try out the new "stack protector" feature in gcc 4.1 + # (Strictly speaking this isn't really a "warning" flag, so it's added to + # the debugging flags) + #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" + ;; + + gcc-4.7*) + # Replace -ansi flag with -std=c99 flag + H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`" + + # Append warning flags + # Don't use the '-Wtraditional' flag, we're way past having K&R C code + # H5_CFLAGS="$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="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" # Try out the new "stack protector" feature in gcc 4.1 # (Strictly speaking this isn't really a "warning" flag, so it's added to @@ -260,9 +334,6 @@ case "$cc_vendor-$cc_version" in #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" ;; -# Closer to the gcc 4.7 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-4.6*) # Replace -ansi flag with -std=c99 flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`" |