# -*- shell-script -*- # # Copyright by The HDF Group. # Copyright by the Board of Trustees of the University of Illinois. # All rights reserved. # # This file is part of HDF5. The full HDF5 copyright notice, including # terms governing use, modification, and redistribution, is contained in # the files COPYING and Copyright.html. COPYING can be found at the root # of the source code distribution tree; Copyright.html can be found at the # root level of an installed copy of the electronic HDF5 document set and # is linked from the top-level documents page. It can also be found at # http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have # access to either file, you may request a copy from help@hdfgroup.org. # 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' # # Get the compiler version in a way that works for gcc, egcs, and # pgcc unless a compiler version is already known # # cc_vendor: The compiler name: gcc, egcs, or pgcc # cc_version: Version number: 2.91.60, 2.7.2.1 # if test X = "X$cc_flags_set"; then cc_version="`$CC $CFLAGS $H5_CFLAGS -v 2>&1 |grep 'gcc version' |\ sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`" 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$cc_version"; then cc_vendor=gcc fi if test "-" != "$cc_vendor-$cc_version"; then echo "compiler '$CC' is GNU $cc_vendor-$cc_version" fi # Some 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 + $cc_vers_patch` fi # GCC compilers before gcc-2.8.1 have problems with `long long'. if test gcc = "$cc_vendor" -a "$cc_vers_all" -lt 2008001; then cat < `double' conversions. elif test gcc = "$cc_vendor" -a "$cc_vers_all" -eq 2096000; then cat < signed char conversion in the test/dt_arith test). # There's either a bug in gcc or our code. Need further investigation. # Turn off all optimizations to allow the tests to pass for now. # - AKC - 2009/04/19 PROD_CFLAGS="-O0" ;; gcc-3.[0-4]*|gcc-4.[012]*) # The optimization level is reduced for gcc 3.* and 4.* due to problems # with code generation for src/H5Tconv.c with the -O2 & -O3 # optimization levels (which shows up as failures for various integer # types -> long long conversions in the test/dtypes test). Perhaps # later versions of gcc will fix this bug... - QAK - 2003/10/20 PROD_CFLAGS="-O" ;; *) PROD_CFLAGS="-O" ;; esac PROD_CFLAGS="$PROD_CFLAGS -fomit-frame-pointer -finline-functions" PROD_CPPFLAGS= # Debug DEBUG_CFLAGS="-g -fverbose-asm" DEBUG_CPPFLAGS= # Profile PROFILE_CFLAGS="-g -pg" PROFILE_CPPFLAGS= # 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 # Closer to the gcc 4.4 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.[34]*) # 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... 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="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$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="$H5_CFLAGS -Wlogical-op -Wvla" # Try out the new "stack protector" feature in gcc 4.1 # (Strictly speaking this isn't really a "warning" flag, so it's added to # the debugging flags) #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" ;; gcc-4.2*) # 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 does not appear to be reliable yet... 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 $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$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="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" # Append more extra warning flags that only gcc 4.2+ know about H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow" # 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-4.1*) # 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 does not appear to be reliable yet... 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 $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$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="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var" # Try out the new "stack protector" feature in gcc 4.1 # (Strictly speaking this isn't really a "warning" flag, so it's added to # the debugging flags) #DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all" ;; gcc-4.0*) # 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="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$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 $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`" # Append more extra warning flags that only gcc 4.0+ know about H5_CFLAGS="$H5_CFLAGS -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros" ;; gcc-3.4*) # 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="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append warning flags from gcc-3.3* case H5_CFLAGS="$H5_CFLAGS -Wendif-labels" # Append more extra warning flags that only gcc3.4+ know about 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'`" ;; gcc-3.3*) # 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="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" # Append more extra warning flags that only gcc3.3+ know about H5_CFLAGS="$H5_CFLAGS -Wendif-labels" ;; gcc-3.2*) # 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 more extra warning flags that only gcc3.2+ know about H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization" # The "format=2" warning generates too many warnings about valid # usage in the library. #CFLAGS="$CFLAGS -Wformat=2" # The "unreachable code" warning does not appear to be reliable yet... #CFLAGS="$CFLAGS -Wunreachable-code" ;; gcc-3*) # 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 some extra warning flags that only gcc3+ know about # (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" ;; gcc-2.9[56]*) # Disable warnings about using 'long long' type H5_CFLAGS="$H5_CFLAGS -Wno-long-long" ;; esac # Clear cc info if no flags set if test "X$cc_flags_set" = "X"; then cc_vendor= cc_version= fi