diff options
| -rw-r--r-- | config/gnu-flags | 630 |
1 files changed, 151 insertions, 479 deletions
diff --git a/config/gnu-flags b/config/gnu-flags index f401d3d..9b61907 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -14,7 +14,7 @@ # This file should be sourced into configure if the compiler is the # GNU gcc compiler or a derivative. It is careful not to do anything -# if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes' +# if the compiler is not GNU; otherwise 'cc_flags_set' is set to 'yes' # # Get the compiler version in a way that works for gcc @@ -23,7 +23,7 @@ # cc_vendor: The compiler name: gcc # cc_version: Version number: 2.91.60, 2.7.2.1 # -if test X = "X$cc_flags_set"; then +if test "X-" = "X-$cc_flags_set"; then # PathScale compiler spits out gcc version string too. Need to # filter it out. # icc beginning with version 12 includes a "gcc version compatiblilty" @@ -37,26 +37,27 @@ 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 + # Get the compiler version numbers cc_vers_major=`echo $cc_version | cut -f1 -d.` cc_vers_minor=`echo $cc_version | cut -f2 -d.` cc_vers_patch=`echo $cc_version | cut -f3 -d.` test -n "$cc_vers_major" || cc_vers_major=0 test -n "$cc_vers_minor" || cc_vers_minor=0 test -n "$cc_vers_patch" || cc_vers_patch=0 - cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch` fi -# Common GCC flags for various situations -case "$cc_vendor-$cc_version" in - gcc*) - # Architecture-specific flags +if test "X-gcc" = "X-$cc_vendor"; then + + ############################### + # Architecture-specific flags # + ############################### + arch= case "$host_os-$host_cpu" in # FreeBSD sets the information from "uname -m" to the general machine @@ -96,524 +97,195 @@ case "$cc_vendor-$cc_version" in ;; esac - # Host-specific flags - case "`hostname`" in - sleipnir.ncsa.uiuc.edu) - arch="$arch -pipe" - ;; - esac + H5_CFLAGS="$H5_CFLAGS $arch" - # General flags - # - # Note that some of the flags listed here really should be developer - # flags (listed in a separate variable, below) but we put them here - # because they are not raised by the current code and we'd like to - # know if they do start showing up. - # - # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) - # warnings that are emitted. If you need it, add it from the - # environment variable at configure time. - # - # NOTE: Disable the -Wformat-nonliteral from -Wformat=2 here and re-add - # it to the developer flags. - # - H5_CFLAGS="$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="$H5_CFLAGS -Wformat=2 -Wno-format-nonliteral -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs" - H5_CFLAGS="$H5_CFLAGS -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpacked" - 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 # + ############## - # Production # NDEBUG is handled explicitly by the configure script - case "$cc_vendor-$cc_version" in - gcc-4.*) + if test $cc_vers_major -le 4; then PROD_CFLAGS= - ;; - gcc-[56789].*) + else PROD_CFLAGS="-fstdarg-opt" - ;; - *) - # gcc automatically inlines based on the optimization level - # this is just a failsafe - PROD_CFLAGS="-finline-functions" - ;; - esac + fi + + ######### + # Debug # + ######### - # Debug # NDEBUG is handled explicitly by the configure script # -g is handled by the symbols flags - case "$cc_vendor-$cc_version" in - gcc-[56789].*) - DEBUG_CFLAGS="-ftrapv -fno-common" - ;; - *) + if test $cc_vers_major -le 4; then DEBUG_CFLAGS= - ;; - esac + else + DEBUG_CFLAGS="-ftrapv -fno-common" + fi - # Developer warnings (suggestions from gcc, not code problems) - # NOTE: -Wformat-nonliteral added back in here (from being disabled in H5_CFLAGS) - DEVELOPER_WARNING_CFLAGS="-Winline -Waggregate-return -Wmissing-format-attribute -Wmissing-noreturn -Wformat-nonliteral" - NO_DEVELOPER_WARNING_CFLAGS="-Wno-inline -Wno-aggregate-return -Wno-missing-format-attribute -Wno-missing-noreturn" + ########### + # Symbols # + ########### - # Symbols NO_SYMBOLS_CFLAGS="-s" SYMBOLS_CFLAGS="-g -fno-omit-frame-pointer" - # Profile + ############# + # Profiling # + ############# + PROFILE_CFLAGS="-pg" - # Optimization - case "$cc_vendor-$cc_version" in - gcc-4.*) + ################ + # Optimization # + ################ + + if test $cc_vers_major -le 4; then HIGH_OPT_CFLAGS="-O3" DEBUG_OPT_CFLAGS= - ;; - gcc-[56789].*) + else HIGH_OPT_CFLAGS="-O3" DEBUG_OPT_CFLAGS="-Og" - ;; - *) - HIGH_OPT_CFLAGS="-O" - DEBUG_OPT_CFLAGS= - ;; - esac + fi NO_OPT_CFLAGS="-O0" - # Flags are set - cc_flags_set=yes - ;; -esac - -# Version specific GCC flags -# -# Please follow the pattern below by adding new versions at the top, copying -# the information from the previous version and adding modifications to that. -case "$cc_vendor-$cc_version" in - -# When the gcc 10.x release is out, we should check for additional flags to -# include and break it out into it's own section, like the other versions -# below. -QAK - gcc-9*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + ############ + # Warnings # + ############ - # Append warning flags that only gcc 4.5+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" + ########### + # General # + ########### - # 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="$H5_CFLAGS -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict" - - # Append warning flags that only gcc 8.x+ knows about - DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=4 -Wsuggest-attribute=cold -Wsuggest-attribute=malloc" - NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc" - H5_CFLAGS="$H5_CFLAGS -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2" - - # Append warning flags that only gcc 9.x+ knows about - H5_CFLAGS="$H5_CFLAGS -Wattribute-alias=2 -Wmissing-profile" - ;; - - gcc-8*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" - - # 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="$H5_CFLAGS -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict" - - # Append warning flags that only gcc 8.x+ knows about - DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=4 -Wsuggest-attribute=cold -Wsuggest-attribute=malloc" - NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc" - H5_CFLAGS="$H5_CFLAGS -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2" - ;; - - gcc-7*) - # 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 + # Note that some of the flags listed here really should be developer + # flags (listed in a separate variable, below) but we put them here + # because they are not raised by the current code and we'd like to + # know if they do start showing up. # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$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) - - # Append warning flags that only gcc 4.3+ knows about + # 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 + # environment variable at configure time. # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$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" - ;; - - gcc-5*) - # 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 + # NOTE: Disable the -Wformat-nonliteral from -Wformat=2 here and re-add + # it to the developer flags. # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK + H5_CFLAGS="$H5_CFLAGS -pedantic -Wall -Wextra -Wbad-function-cast -Wc++-compat -Wcast-align" + H5_CFLAGS="$H5_CFLAGS -Wcast-qual -Wconversion -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-equal" + H5_CFLAGS="$H5_CFLAGS -Wformat=2 -Wno-format-nonliteral -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs" + H5_CFLAGS="$H5_CFLAGS -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpacked" + 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" H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$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="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat" - ;; - - gcc-4.9*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -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="$H5_CFLAGS -Wdate-time" - ;; - - gcc-4.8*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -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" + ###################### + # Developer warnings # + ###################### - # 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" - ;; - - gcc-4.7*) - # 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="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -Wvla" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$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="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn" - ;; - - gcc-4.6*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" - - # 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="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -Wvla" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" - - # Append warning flags that only gcc 4.5+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" - - # Append warning flags that only gcc 4.6+ knows about - H5_CFLAGS="$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" - ;; - - gcc-4.5*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # (suggestions from gcc, not code problems) + # NOTE: -Wformat-nonliteral added back in here (from being disabled in H5_CFLAGS) + DEVELOPER_WARNING_CFLAGS="-Winline -Waggregate-return -Wmissing-format-attribute -Wmissing-noreturn -Wformat-nonliteral" + NO_DEVELOPER_WARNING_CFLAGS="-Wno-inline -Wno-aggregate-return -Wno-missing-format-attribute -Wno-missing-noreturn" - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) + ####################### + # gcc 4 special cases # + ####################### - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -Wvla" + # Disable warnings about using the 'long long' type w/ gcc 4.6 and earlier + 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 -Wno-long-long" + fi - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + # -Wstrict-aliasing was later incorporated into -Wall and + # only needs to be specified explicitly for gcc 4.5-4.6 + 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 -Wstrict-aliasing" + fi - # Append warning flags that only gcc 4.5+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" - ;; + # The non-valued form of -Wstrict-overflow is used in gcc 4.2-4.4 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 4; then + H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" + fi - gcc-4.4*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # -Wvla was later incorporated into -Wpedantic and + # only needs to be specified explicitly for gcc 4 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2; then + H5_CFLAGS="$H5_CFLAGS -Wvla" + fi - # Append warning flags that only gcc 4.2+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" + ############################# + # Version-specific warnings # + ############################# - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560 -Wvla" + # 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 -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + fi - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" - ;; + # 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 -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" + fi - gcc-4.3*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # 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 -Wdouble-promotion -Wtrampolines" + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const" + fi - # Append warning flags that only gcc 4.1+ knows about - # -Wvolatile-register-var was later incorporated into -Wall and - # needs to be specified explicitly for gcc 4.1-4.3. - H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var" + # 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 -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" + fi - # Append warning flags that only gcc 4.2+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" + # gcc 4.8 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format" + fi - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wvla" - ;; + # 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 -Wdate-time" + fi - gcc-4.2*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # gcc 5 + if test $cc_vers_major -ge 5; then + H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat" + fi - # Append warning flags that only gcc 4.1+ knows about - # -Wvolatile-register-var was later incorporated into -Wall and - # needs to be specified explicitly for gcc 4.1-4.3. - H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var" + # gcc 6 + if test $cc_vers_major -ge 6; then + H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa -Wnormalized" + fi - # Append warning flags that only gcc 4.2+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" - ;; + # gcc 7 + if test $cc_vers_major -ge 7; then + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=2" + H5_CFLAGS="$H5_CFLAGS -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict" + fi - gcc-4.1*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # gcc 8 + if test $cc_vers_major -ge 8; then + DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=4 -Wsuggest-attribute=cold -Wsuggest-attribute=malloc" + NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc" + H5_CFLAGS="$H5_CFLAGS -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2" + fi - # Append warning flags that only gcc 4.1+ knows about - # -Wvolatile-register-var was later incorporated into -Wall and - # needs to be specified explicitly for gcc 4.1-4.3. - H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var" - ;; + # gcc 9 + if test $cc_vers_major -ge 9; then + H5_CFLAGS="$H5_CFLAGS -Wattribute-alias=2 -Wmissing-profile" + 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 |