diff options
Diffstat (limited to 'config/gnu-flags')
| -rw-r--r-- | config/gnu-flags | 69 |
1 files changed, 65 insertions, 4 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index c1990e0..427b839 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -147,8 +147,8 @@ case "$cc_vendor-$cc_version" in gcc-2.95.[34]) PROD_CFLAGS="-O3" ;; - gcc-4.[34]*) - # The optimization level is reduced for gcc 4.[34] due to problems + gcc-4.[345]*) + # The optimization level is reduced for gcc 4.[345] due to problems # with code generation for src/H5Tconv.c with the -O (same -O1) # optimization levels (which shows up as failures for long double # types -> signed char conversion in the test/dt_arith test). @@ -192,10 +192,71 @@ esac # the information from the previous version and adding modifications to that. case "$cc_vendor-$cc_version" in -# Closer to the gcc 4.5 release, we should check for additional flags to +# Closer to the gcc 4.6 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.[45]*) + gcc-4.[56]*) + # Replace -ansi flag with -std=c99 flag + H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`" + + # Disable warnings about using 'long long' type + H5_CFLAGS="$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="$H5_CFLAGS -Wjump-misses-init -Wunsuffixed-float-constants -Wunused-result" + + # Try out the new "stack protector" feature in gcc 4.1 + # (Strictly speaking this isn't really a "warning" flag, so it's added to + # the debugging flags) + #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" + ;; + + gcc-4.4*) # Replace -ansi flag with -std=c99 flag H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`" |