diff options
Diffstat (limited to 'config')
-rw-r--r-- | config/cmake/HDFCompilerFlags.cmake | 17 | ||||
-rw-r--r-- | config/conclude.am | 2 | ||||
-rw-r--r-- | config/gnu-fflags | 154 | ||||
-rw-r--r-- | config/gnu-flags | 491 |
4 files changed, 297 insertions, 367 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake index 0a39568..82d63af 100644 --- a/config/cmake/HDFCompilerFlags.cmake +++ b/config/cmake/HDFCompilerFlags.cmake @@ -195,7 +195,22 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC) # Append more extra warning flags that only gcc 6.x+ know about if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0) - set (H5_CFLAGS4 "${H5_CFLAGS4} -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa") + set (H5_CFLAGS4 "${H5_CFLAGS4} -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa -Wnormalized") + endif () + + # Append more extra warning flags that only gcc 7.x+ know about + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0) + set (H5_CFLAGS4 "${H5_CFLAGS4} -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict") + endif () + + # Append more extra warning flags that only gcc 8.x+ know about + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0) + set (H5_CFLAGS4 "${H5_CFLAGS4} -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2 -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc") + endif () + + # Append more extra warning flags that only gcc 9.x+ know about + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0) + set (H5_CFLAGS4 "${H5_CFLAGS4} Wattribute-alias=2 -Wmissing-profile") endif () endif () diff --git a/config/conclude.am b/config/conclude.am index 27cd7ee..6e96ba2 100644 --- a/config/conclude.am +++ b/config/conclude.am @@ -68,7 +68,7 @@ all-local: $(EXTRA_LIB) $(EXTRA_PROG) $(chk_TESTS) # make install-doc doesn't do anything outside of doc directory, but # Makefiles should recognize it. # UPDATE: docs no longer reside in this build tree, so this target -# is depreciated. +# is deprecated. install-doc uninstall-doc: @echo "Nothing to be done." diff --git a/config/gnu-fflags b/config/gnu-fflags index 6b5e6a1..3fc112d 100644 --- a/config/gnu-fflags +++ b/config/gnu-fflags @@ -1,4 +1,4 @@ -# -*- shell-script -*- +# -*- shell-script -*- # # Copyright by The HDF Group. # Copyright by the Board of Trustees of the University of Illinois. @@ -25,9 +25,8 @@ # if test X = "X$f9x_flags_set"; then f9x_version="`$FC $FCFLAGS $H5_FCFLAGS -v 2>&1 |grep 'gcc version' |\ - sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`" + sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`" if test X != "X$f9x_version"; then -# is_mpi="`$FC $FCFLAGS $H5_FCFLAGS -help 2>&1 |grep 'link MPI'`" f9x_vendor=`echo $f9x_version |sed 's/\([a-z]*\).*/\1/'` f9x_version=`echo $f9x_version |sed 's/[-a-z]//g'` if test X = "X$f9x_vendor" -a X != "X$f9x_version"; then @@ -37,24 +36,38 @@ if test X = "X$f9x_flags_set"; then echo "compiler '$FC' is GNU $f9x_vendor-$f9x_version" fi - # Some version numbers + # Get the compiler version numbers f9x_vers_major=`echo $f9x_version | cut -f1 -d.` f9x_vers_minor=`echo $f9x_version | cut -f2 -d.` f9x_vers_patch=`echo $f9x_version | cut -f3 -d.` test -n "$f9x_vers_major" || f9x_vers_major=0 test -n "$f9x_vers_minor" || f9x_vers_minor=0 test -n "$f9x_vers_patch" || f9x_vers_patch=0 - f9x_vers_all=`expr $f9x_vers_major '*' 1000000 + $f9x_vers_minor '*' 1000 + $f9x_vers_patch` fi fi -# Common GNU flags for various situations if test "X-gfortran" = "X-$f9x_vendor"; then - # Insert section about version specific problems from gnu-flags here, if - # necessary. + + FC_BASENAME=gfortran + F9XSUFFIXFLAG="" + FSEARCH_DIRS="" + + # Need Fortran 2008 support for storage_size() in gcc 4.6 on + # (2008ts in some versions) + if test $f9x_vers_major -ge 8; then + H5_FCFLAGS="$H5_FCFLAGS -std=f2008" + elif test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 6; then + H5_FCFLAGS="$H5_FCFLAGS -std=f2008ts" + else + H5_FCFLAGS="$H5_FCFLAGS -std=f2003" + fi + + + ############################### + # Architecture-specific flags # + ############################### arch= - # Architecture-specific flags # Nothing currently. (Uncomment code below and modify to add any) #case "$host_os-$host_cpu" in # *-i686) @@ -62,43 +75,116 @@ if test "X-gfortran" = "X-$f9x_vendor"; then # ;; #esac - # Host-specific flags - # Nothing currently. (Uncomment code below and modify to add any) - #case "`hostname`" in - # sleipnir.ncsa.uiuc.edu) - # arch="$arch -pipe" - # ;; - #esac + H5_FCFLAGS="$H5_FCFLAGS $arch" - # General - FC_BASENAME=gfortran - F9XSUFFIXFLAG="" - FSEARCH_DIRS="" - H5_FCFLAGS="$H5_FCFLAGS -pedantic -Wall -Wextra -Wunderflow -Wimplicit-interface -Wsurprising" + ############## + # Production # + ############## - # Turn off warnings for passing non-ANSI types to BIND(). - # We pass a lot of hid_t, etc. types so this generates a LOT of spurious warnings. - H5_FCFLAGS="$H5_FCFLAGS -Wno-c-binding-type" - - # Production PROD_FCFLAGS= - # Debug - DEBUG_FCFLAGS="-fbounds-check" + ######### + # Debug # + ######### + + if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 5; then + DEBUG_FCFLAGS="-fcheck=all" + else + DEBUG_FCFLAGS="-fbounds-check" + fi + + ########### + # Symbols # + ########### - # Symbols SYMBOLS_FCFLAGS="-g" NO_SYMBOLS_FCFLAGS="-s" - # Profiling + ############# + # Profiling # + ############# + PROFILE_FCFLAGS="-pg" - # Optimization - HIGH_OPT_FCFLAGS="-O2" - DEBUG_OPT_FCFLAGS="-O0" + ################ + # Optimization # + ################ + + if test $f9x_vers_major -le 4; then + HIGH_OPT_FCFLAGS="-O3" + DEBUG_OPT_FCFLAGS= + else + HIGH_OPT_FCFLAGS="-O3" + DEBUG_OPT_FCFLAGS="-Og" + fi NO_OPT_FCFLAGS="-O0" - # Flags are set + ############ + # Warnings # + ############ + + ########### + # General # + ########### + + H5_FCFLAGS="$H5_FCFLAGS -pedantic -Wall -Wextra -Wunderflow -Wimplicit-interface -Wsurprising" + H5_FCFLAGS="$H5_FCFLAGS -Waliasing -Wcharacter-truncation" + + ############################# + # Version-specific warnings # + ############################# + + # gfortran 4.3 (nothing new) + + # gfortran 4.4 + if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 4; then + H5_FCFLAGS="$H5_FCFLAGS -Warray-temporaries -Wintrinsics-std" + fi + + # gfortran 4.5 + if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 5; then + H5_FCFLAGS="$H5_FCFLAGS -Wimplicit-procedure" + fi + + # gfortran 4.6 (nothing new) + + # gfortran 4.7 + if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 7; then + H5_FCFLAGS="$H5_FCFLAGS -Wreal-q-constant -Wfunction-elimination" + fi + + # gfortran 4.8 + if test $f9x_vers_major -ge 5 -o $f9x_vers_major -eq 4 -a $f9x_vers_minor -ge 8; then + H5_FCFLAGS="$H5_FCFLAGS -Wrealloc-lhs -Wrealloc-lhs-all" + # Turn off warnings for passing non-ANSI types to BIND(). + # We pass a lot of hid_t, etc. types so this generates a LOT of spurious warnings. + H5_FCFLAGS="$H5_FCFLAGS -Wno-c-binding-type" + fi + + # gfortran 4.9 (nothing new) + + # gfortran 5 + if test $f9x_vers_major -ge 5; then + H5_FCFLAGS="$H5_FCFLAGS -Wuse-without-only" + fi + + # gfortran 6 + if test $f9x_vers_major -ge 6; then + H5_FCFLAGS="$H5_FCFLAGS -Winteger-division" + fi + + # gfortran 7 (nothing new) + + # gfortran 8 + if test $f9x_vers_major -ge 8; then + H5_FCFLAGS="$H5_FCFLAGS -Wfrontend-loop-interchange" + fi + + # gfortran 9 (nothing new) + + ################# + # Flags are set # + ################# f9x_flags_set=yes fi diff --git a/config/gnu-flags b/config/gnu-flags index 7df72c7..6355ccf 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 @@ -96,377 +97,205 @@ 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 $arch" - # General flags - # - # Note that some of the flags listed here really should be developer - # flags (listed in a separate variable, below) but we put them here - # because they are not raised by the current code and we'd like to - # know if they do start showing up. - # - # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) - # warnings that are emitted. If you need it, add it from the - # environment variable at configure time. - H5_CFLAGS="$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 -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 $cc_vers_major -le 4; then DEBUG_CFLAGS= - ;; - esac + else + DEBUG_CFLAGS="-ftrapv -fno-common" + fi - # Developer warnings (suggestions from gcc, not code problems) - DEVELOPER_WARNING_CFLAGS="-Winline -Waggregate-return -Wmissing-format-attribute -Wmissing-noreturn" - NO_DEVELOPER_WARNING_CFLAGS="-Wno-inline -Wno-aggregate-return -Wno-missing-format-attribute -Wno-missing-noreturn" + ########### + # Symbols # + ########### - # Symbols NO_SYMBOLS_CFLAGS="-s" SYMBOLS_CFLAGS="-g -fno-omit-frame-pointer" - # Profile + ############# + # Profiling # + ############# + PROFILE_CFLAGS="-pg" - # Optimization - case "$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-$cc_version" in - -# When the gcc 7.x release is out, we should check for additional flags to -# include and break it out into it's own section, like the other versions -# below. -QAK - gcc-[6789].*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$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="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa" - ;; - - gcc-5*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about - # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$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" - ;; - - 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="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$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" - ;; + ############ + # Warnings # + ############ - gcc-4.8*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) + ########### + # General # + ########### - # 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="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" - - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" - - # Append warning flags that only gcc 4.5+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init" - - # Append warning flags that only gcc 4.6+ knows about - H5_CFLAGS="$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="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format" - ;; - - gcc-4.7*) - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about + # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) + # warnings that are emitted. If you need it, add it from the + # environment variable at configure time. # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=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" - ;; - - gcc-4.6*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" - - # Append warning flags that only gcc 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) - - # Append warning flags that only gcc 4.3+ knows about + # NOTE: Disable the -Wformat-nonliteral from -Wformat=2 here and re-add + # it to the developer flags. # - # Technically, variable-length arrays are part of the C99 standard, but - # we should approach them a bit cautiously... -QAK - H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla" + 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" - # Append warning flags that only gcc 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + ###################### + # Developer warnings # + ###################### - # Append warning flags that only gcc 4.5+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants" + # (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 4.6+ knows about - H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines" - DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const" - NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const" - ;; + ####################### + # gcc 4 special cases # + ####################### - gcc-4.5*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + # 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 4.2+ knows about - # (none, or incorporated in -Wall / -Wextra now) + # -Wvolatile-register-var was later incorporated into -Wall and + # only needs to be specified explicitly for gcc 4.2-4.3 + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 3; then + H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var" + 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 -Wlarger-than=2048 -Wvla" + # -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 4.4+ knows about - H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat" + # 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 -a $cc_vers_major -eq 4 -a $cc_vers_minor -le 4; then + H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" + 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" - ;; + # -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 - gcc-4.4*) - # Disable warnings about using 'long long' type - H5_CFLAGS="$H5_CFLAGS -Wno-long-long" + ############################# + # Version-specific warnings # + ############################# - # Append warning flags that only gcc 4.2+ knows about - H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" + # gcc 4.3 + if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 3; then + H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560" + 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 -Wlarger-than=2048 -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 |