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author | Quincey Koziol <koziol@hdfgroup.org> | 2013-04-15 18:24:39 (GMT) |
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committer | Quincey Koziol <koziol@hdfgroup.org> | 2013-04-15 18:24:39 (GMT) |
commit | db1abfa91a19205f89dea89e7d2fdbe3d33881b1 (patch) | |
tree | 39fe95eeb88add1fbcc900e6908dae0a10d5ee5e /config/gnu-flags | |
parent | ba61466cc6babcd8e9880f85642c0aec0a5fcb4b (diff) | |
download | hdf5-db1abfa91a19205f89dea89e7d2fdbe3d33881b1.zip hdf5-db1abfa91a19205f89dea89e7d2fdbe3d33881b1.tar.gz hdf5-db1abfa91a19205f89dea89e7d2fdbe3d33881b1.tar.bz2 |
[svn-r23592] Description:
Bring r23584 from trunk to 1.8 branch:
Update with new compiler warnings for gcc 4.8.x
Tested on:
Mac OSX/64 10.8.3 (amazon) w/gcc 4.8.0
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'`" |