mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-09 07:32:32 +08:00
058eb9921d
Comment out the use of the "-Wpadded" flag, it's generating far too many
warnings that are impossible to correct and probably making it harder to see
other warnings that are more important.
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
388 lines
14 KiB
Bash
388 lines
14 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by the Board of Trustees of the University of Illinois.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the files COPYING and Copyright.html. COPYING can be found at the root
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# of the source code distribution tree; Copyright.html can be found at the
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# root level of an installed copy of the electronic HDF5 document set and
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# is linked from the top-level documents page. It can also be found at
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# http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have
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# access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu.
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# This file should be sourced into configure if the compiler is the
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# GNU gcc compiler or a derivative. It is careful not to do anything
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# if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes'
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#
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# Get the compiler version in a way that works for gcc, egcs, and
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# pgcc unless a compiler version is already known
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#
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# cc_vendor: The compiler name: gcc, egcs, or pgcc
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# cc_version: Version number: 2.91.60, 2.7.2.1
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#
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if test X = "X$cc_flags_set"; then
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cc_version="`$CC $CFLAGS $H5_CFLAGS -v 2>&1 |grep 'gcc version' |\
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sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
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cc_vendor=`echo $cc_version |sed 's/\([a-z]*\).*/\1/'`
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cc_version=`echo $cc_version |sed 's/[-a-z]//g'`
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if test X = "X$cc_vendor" -a X != "X$cc_version"; then
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cc_vendor=gcc
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fi
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if test "-" != "$cc_vendor-$cc_version"; then
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echo "compiler '$CC' is GNU $cc_vendor-$cc_version"
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fi
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# Some version numbers
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cc_vers_major=`echo $cc_version | cut -f1 -d.`
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cc_vers_minor=`echo $cc_version | cut -f2 -d.`
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cc_vers_patch=`echo $cc_version | cut -f3 -d.`
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test -n "$cc_vers_major" || cc_vers_major=0
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test -n "$cc_vers_minor" || cc_vers_minor=0
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test -n "$cc_vers_patch" || cc_vers_patch=0
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cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch`
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fi
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# GCC compilers before gcc-2.8.1 have problems with `long long'.
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if test gcc = "$cc_vendor" -a "$cc_vers_all" -lt 2008001; then
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cat <<EOF
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**
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** This compiler may be unable to properly compile the long long
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** data type used extensively by hdf5, although specifying
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** --disable-hsizet for configure may work around those bugs.
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** There may be other code generation problems also, especially
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** when optimizations are enabled. Please upgrade to at least GNU
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** gcc version 2.8.1 before reporting bugs to the HDF5 team.
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**
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EOF
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sleep 5
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# GCC v2.96 (shipped with RH7.x) has problems with `float'-> `double' conversions.
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elif test gcc = "$cc_vendor" -a "$cc_vers_all" -eq 2096000; then
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cat <<EOF
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**
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** This compiler may have problems converting 'float' values to
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** 'double' values. There may be other code generation problems
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** as well.
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**
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** Please use a different version of gcc before reporting bugs.
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**
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EOF
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sleep 5
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# Current EGCS compilers have problems with `long long' and register
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# allocation when optimizations are turned on for x86 systems.
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elif test egcs = "$cc_vendor" -a "$cc_vers_all" -le 2091066; then
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if test "$HSIZET" != "large"; then
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cat <<EOF
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**
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** This compiler may have problems allocating registers when
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** optimizations are enabled on some platforms. Specifying
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** --disable-hsizet usually avoids the bug.
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**
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EOF
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sleep 5
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fi
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# All current versions of PGCC have problems also.
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elif test pgcc = "$cc_vendor" -a "$cc_vers_all" -le 2091066; then
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cat <<EOF
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**
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** This compiler may have problems allocating registers for long
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** long data types when optimizations are enabled. There may be
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** other code generation problems as well. We know of no version
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** of pgcc which is capable of compiling HDF5 in production mode.
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** Please use gcc-2.8 or egcs-1.1.1 before reporting bugs.
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**
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EOF
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sleep 5
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fi
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# Common GCC flags for various situations
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case "$cc_vendor-$cc_version" in
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gcc*|egcs*|pgcc*)
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# Architecture-specific flags
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arch=
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case "$host_os-$host_cpu" in
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# FreeBSD sets the information from "uname -m" to the general machine
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# architecture, not the specific CPU for the machine, so even our
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# Pentium II Xeon server is set to "i386". Once we know we are on a FreeBSD
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# machine, use the "sysctl" command to get the CPU hardware model.
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freebsd*-i386)
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host_cpu_model=`sysctl -n hw.model`
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case "$host_cpu_model" in
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# Hmm.. this might not catch Celerons, but it won't hurt them either...
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*Pro*|*II*|*III*|*IV*|*Athlon*)
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# architecture-specific optimizations cause problems
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# for some users who build binaries to be used on
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# multiple architectures.
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# arch="-march=i686"
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;;
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esac
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;;
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*-i686)
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# architecture-specific optimizations cause problems
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# for some users who build binaries to be used on
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# multiple architectures.
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# arch="-march=i686"
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;;
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esac
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# Host-specific flags
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case "`hostname`" in
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sleipnir.ncsa.uiuc.edu)
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arch="$arch -pipe"
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;;
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esac
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# General
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H5_CFLAGS="$H5_CFLAGS $arch -ansi -pedantic -Wall -W -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Wsign-compare -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline"
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# Production
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case "$cc_vendor-$cc_version" in
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gcc-2.95.[34])
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PROD_CFLAGS="-O3"
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;;
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gcc-3.[0-4]*|gcc-4.[012]*)
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# The optimization level is reduced for gcc 3.* and 4.* due to problems
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# with code generation for src/H5Tconv.c with the -O2 & -O3
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# optimization levels (which shows up as failures for various integer
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# types -> long long conversions in the test/dtypes test). Perhaps
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# later versions of gcc will fix this bug... - QAK - 2003/10/20
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PROD_CFLAGS="-O"
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;;
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gcc-4*)
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# Be optimistic about future versions of gcc.. :-) - QAK - 2003/10/20
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PROD_CFLAGS="-O3"
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;;
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*)
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PROD_CFLAGS="-O"
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;;
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esac
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PROD_CFLAGS="$PROD_CFLAGS -fomit-frame-pointer -finline-functions"
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PROD_CPPFLAGS=
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# Debug
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DEBUG_CFLAGS="-g -fverbose-asm"
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DEBUG_CPPFLAGS=
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# Profile
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PROFILE_CFLAGS="-g -pg"
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PROFILE_CPPFLAGS=
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# Flags are set
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cc_flags_set=yes
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;;
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esac
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# Version specific GCC flags
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#
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# Please follow the pattern below by adding new versions at the top, copying
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# the information from the previous version and adding modifications to that.
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case "$cc_vendor-$cc_version" in
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# Closer to the gcc 4.2 release, we should check for additional flags to
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# include and break it out into it's own section, like the other versions
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# below. -QAK
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gcc-4.[12]*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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# Append warning flags from gcc-3.2* case
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H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar"
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# Enable mort format checking flags, beyond the basic -Wformat included
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# in -Wall
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H5_CFLAGS="$H5_CFLAGS -Wformat-nonliteral -Wformat-security -Wformat-y2k"
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# The "unreachable code" warning does not appear to be reliable yet...
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H5_CFLAGS="$H5_CFLAGS -Wunreachable-code"
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# Append warning flags from gcc-3.3* case
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H5_CFLAGS="$H5_CFLAGS -Wendif-labels"
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# Append warning flags from gcc-3.4* case
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H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch"
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# Replace old -W flag with new -Wextra flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
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# Append more extra warning flags that only gcc4.0+ know about
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H5_CFLAGS="$H5_CFLAGS -Wmissing-field-initializers -Wvariadic-macros"
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# Append more extra warning flags that only gcc4.1+ know about
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H5_CFLAGS="$H5_CFLAGS -Wunsafe-loop-optimizations -Wc++-compat -Wvolatile-register-var"
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# Try out the new "stack protector" feature in gcc 4.1
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# (Strictly speaking this isn't really a "warning" flag, so it's added to
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# the debugging flags)
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#DEBUG_CFLAGS="$DEBUG_CFLAGS -Wstack-protector -fstack-protector-all"
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;;
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gcc-4.0*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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# Append warning flags from gcc-3.2* case
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H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar"
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# The "format=2" warning generates too many warnings about valid
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# usage in the library.
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#CFLAGS="$CFLAGS -Wformat=2"
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# The "unreachable code" warning does not appear to be reliable yet...
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#CFLAGS="$CFLAGS -Wunreachable-code"
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# Append warning flags from gcc-3.3* case
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H5_CFLAGS="$H5_CFLAGS -Wendif-labels"
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# Append warning flags from gcc-3.4* case
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H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch"
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# Replace old -W flag with new -Wextra flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
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# Append more extra warning flags that only gcc4.0+ know about
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H5_CFLAGS="$H5_CFLAGS -Wmissing-field-initializers -Wvariadic-macros"
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;;
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gcc-3.4*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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# Append warning flags from gcc-3.2* case
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H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar"
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# The "format=2" warning generates too many warnings about valid
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# usage in the library.
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#CFLAGS="$CFLAGS -Wformat=2"
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# The "unreachable code" warning does not appear to be reliable yet...
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#CFLAGS="$CFLAGS -Wunreachable-code"
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# Append warning flags from gcc-3.3* case
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H5_CFLAGS="$H5_CFLAGS -Wendif-labels"
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# Append more extra warning flags that only gcc3.4+ know about
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H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch"
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# Replace old -W flag with new -Wextra flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-W\ /-Wextra\ /g'`"
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;;
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gcc-3.3*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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# Append warning flags from gcc-3.2* case
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H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar"
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# The "format=2" warning generates too many warnings about valid
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# usage in the library.
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#CFLAGS="$CFLAGS -Wformat=2"
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# The "unreachable code" warning does not appear to be reliable yet...
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#CFLAGS="$CFLAGS -Wunreachable-code"
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# Append more extra warning flags that only gcc3.3+ know about
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H5_CFLAGS="$H5_CFLAGS -Wendif-labels"
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;;
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gcc-3.2*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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# Append more extra warning flags that only gcc3.2+ know about
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H5_CFLAGS="$H5_CFLAGS -Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar"
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# The "format=2" warning generates too many warnings about valid
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# usage in the library.
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#CFLAGS="$CFLAGS -Wformat=2"
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# The "unreachable code" warning does not appear to be reliable yet...
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#CFLAGS="$CFLAGS -Wunreachable-code"
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;;
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gcc-3*)
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# Replace -ansi flag with -std=c99 flag
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H5_CFLAGS="`echo $H5_CFLAGS | sed -e 's/-ansi/-std=c99/g'`"
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append some extra warning flags that only gcc3+ know about
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute -Wpadded"
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H5_CFLAGS="$H5_CFLAGS -Wfloat-equal -Wmissing-format-attribute"
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;;
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gcc-2.9[56]*)
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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;;
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esac
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# Clear cc info if no flags set
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if test "X$cc_flags_set" = "X"; then
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cc_vendor=
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cc_version=
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fi
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