diff options
Diffstat (limited to 'config/gnu-flags')
| -rw-r--r-- | config/gnu-flags | 66 |
1 files changed, 55 insertions, 11 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index 225f072..c55391d 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. @@ -37,10 +37,10 @@ if test X = "X$cc_flags_set"; then 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 @@ -87,7 +87,7 @@ case "$cc_vendor-$cc_version" in 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 + # case to add the flag everywhere else cygwin-*) ;; @@ -111,13 +111,13 @@ case "$cc_vendor-$cc_version" in # know if they do start showing up. # # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) - # warnings that are emitted. If you need it, add it from the + # warnings that are emitted. If you need it, add it from the # environment variable at configure time. H5_CFLAGS="$H5_CFLAGS $arch -pedantic -Wall -Wextra -Wbad-function-cast -Wc++-compat -Wcast-align" H5_CFLAGS="$H5_CFLAGS -Wcast-qual -Wconversion -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-equal" H5_CFLAGS="$H5_CFLAGS -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs" H5_CFLAGS="$H5_CFLAGS -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpacked -Wpointer-arith" - H5_CFLAGS="$H5_CFLAGS -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum" + H5_CFLAGS="$H5_CFLAGS -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-enum -Wswitch-default" H5_CFLAGS="$H5_CFLAGS -Wundef -Wunused-macros -Wunsafe-loop-optimizations -Wwrite-strings" # Production @@ -126,7 +126,7 @@ case "$cc_vendor-$cc_version" in gcc-4.*) PROD_CFLAGS= ;; - gcc-[56].*) + gcc-[56789].*) PROD_CFLAGS="-fstdarg-opt" ;; *) @@ -140,7 +140,7 @@ case "$cc_vendor-$cc_version" in # NDEBUG is handled explicitly by the configure script # -g is handled by the symbols flags case "$cc_vendor-$cc_version" in - gcc-[56].*) + gcc-[56789].*) DEBUG_CFLAGS="-ftrapv -fno-common" ;; *) @@ -165,7 +165,7 @@ case "$cc_vendor-$cc_version" in HIGH_OPT_CFLAGS="-O3" DEBUG_OPT_CFLAGS= ;; - gcc-[56].*) + gcc-[56789].*) HIGH_OPT_CFLAGS="-O3" DEBUG_OPT_CFLAGS="-Og" ;; @@ -187,9 +187,53 @@ esac # the information from the previous version and adding modifications to that. case "$cc_vendor-$cc_version" in -# When the gcc 7.x release is out, we should check for additional flags to +# When the gcc 8.x release is out, we should check for additional flags to # include and break it out into it's own section, like the other versions # below. -QAK + gcc-[789].*) + # Append warning flags that only gcc 4.2+ knows about + # (none, or incorporated in -Wall / -Wextra now) + + # Append warning flags that only gcc 4.3+ knows about + # + # Technically, variable-length arrays are part of the C99 standard, but + # we should approach them a bit cautiously... -QAK + H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" + + # Append warning flags that only gcc 4.4+ knows about + H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + + # Append warning flags that only gcc 4.5+ knows about + H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" + + # Append warning flags that only gcc 4.6+ knows about + H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const" + + # Append warning flags that only gcc 4.7+ knows about + H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn" + + # Append warning flags that only gcc 4.8+ knows about + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format" + + # Append warning flags that only gcc 4.9+ knows about + H5_CFLAGS="$H5_CFLAGS -Wdate-time" + + # Append warning flags that only gcc 5.x+ knows about + H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat" + + # Append warning flags that only gcc 6.x+ knows about + H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa -Wnormalized" + + # Append warning flags that only gcc 7.x+ knows about + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=2" + H5_CFLAGS="$H5_CFLAGS -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict" + ;; + gcc-6*) # Append warning flags that only gcc 4.2+ knows about # (none, or incorporated in -Wall / -Wextra now) @@ -227,7 +271,7 @@ case "$cc_vendor-$cc_version" in H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat" # Append warning flags that only gcc 6.x+ knows about - H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa" + H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa -Wnormalized" ;; gcc-5*) |