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https://github.com/HDFGroup/hdf5.git
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473 lines
19 KiB
Bash
473 lines
19 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by The HDF Group.
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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 COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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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
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# unless a compiler version is already known
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#
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# cc_vendor: The compiler name: gcc
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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$cc_flags_set"; then
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# PathScale compiler spits out gcc version string too. Need to
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# filter it out.
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# icc beginning with version 12 includes a "gcc version compatiblilty"
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# string, causing the gcc H5_CFLAGS to be erroneously added. The line
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# "grep -v 'icc version'" causes the discarding of any output
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# containing 'icc version'. The cc_version for icc is correctly determined
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# and flags added in the intel-flags script.
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cc_version="`$CC $CFLAGS $H5_CFLAGS -v 2>&1 | grep -v 'PathScale' |\
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grep -v 'icc version' |\
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grep 'gcc version' | 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 + $cc_vers_patch`
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fi
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# Common GCC flags for various situations
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case "$cc_vendor-$cc_version" in
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gcc*)
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# Architecture-specific flags
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arch=
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case "$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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case "$host_os-$host_cpu" in
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# cygwin needs the "-std=c99" flag removed, so make
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# a specific case for Cygwin without the flag and a default
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# case to add the flag everywhere else
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cygwin-*)
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;;
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*)
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H5_CFLAGS="$H5_CFLAGS -std=c99"
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;;
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esac
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# Host-specific flags
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case "`hostname`" in
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sleipnir.ncsa.uiuc.edu)
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arch="$arch -pipe"
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;;
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esac
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# General flags
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#
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# Note that some of the flags listed here really should be developer
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# flags (listed in a separate variable, below) but we put them here
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# because they are not raised by the current code and we'd like to
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# know if they do start showing up.
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#
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# NOTE: Don't add -Wpadded here since we can't/won't fix the (many)
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# warnings that are emitted. If you need it, add it from the
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# environment variable at configure time.
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H5_CFLAGS="$H5_CFLAGS $arch -pedantic -Wall -Wextra -Wbad-function-cast -Wc++-compat -Wcast-align"
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H5_CFLAGS="$H5_CFLAGS -Wcast-qual -Wconversion -Wdeclaration-after-statement -Wdisabled-optimization -Wfloat-equal"
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H5_CFLAGS="$H5_CFLAGS -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs"
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H5_CFLAGS="$H5_CFLAGS -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpacked -Wpointer-arith"
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H5_CFLAGS="$H5_CFLAGS -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum"
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H5_CFLAGS="$H5_CFLAGS -Wundef -Wunused-macros -Wunsafe-loop-optimizations -Wwrite-strings"
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# Production
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# NDEBUG is handled explicitly by the configure script
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case "$cc_vendor-$cc_version" in
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gcc-4.*)
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PROD_CFLAGS=
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;;
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gcc-[56].*)
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PROD_CFLAGS="-fstdarg-opt"
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;;
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*)
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# gcc automatically inlines based on the optimization level
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# this is just a failsafe
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PROD_CFLAGS="-finline-functions"
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;;
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esac
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# Debug
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# NDEBUG is handled explicitly by the configure script
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# -g is handled by the symbols flags
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case "$cc_vendor-$cc_version" in
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gcc-[56].*)
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DEBUG_CFLAGS="-ftrapv -fno-common"
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;;
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*)
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DEBUG_CFLAGS=
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;;
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esac
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# Developer warnings (suggestions from gcc, not code problems)
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DEVELOPER_WARNING_CFLAGS="-Winline -Waggregate-return -Wmissing-format-attribute -Wmissing-noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="-Wno-inline -Wno-aggregate-return -Wno-missing-format-attribute -Wno-missing-noreturn"
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# Symbols
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NO_SYMBOLS_CFLAGS="-s"
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SYMBOLS_CFLAGS="-g -fno-omit-frame-pointer"
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# Profile
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PROFILE_CFLAGS="-pg"
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# Optimization
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case "$cc_vendor-$cc_version" in
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gcc-4.*)
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HIGH_OPT_CFLAGS="-O3"
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DEBUG_OPT_CFLAGS=
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;;
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gcc-[56].*)
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HIGH_OPT_CFLAGS="-O3"
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DEBUG_OPT_CFLAGS="-Og"
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;;
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*)
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HIGH_OPT_CFLAGS="-O"
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DEBUG_OPT_CFLAGS=
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;;
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esac
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NO_OPT_CFLAGS="-O0"
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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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# When the gcc 7.x release is out, 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-6*)
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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# Append warning flags that only gcc 4.7+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
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# Append warning flags that only gcc 4.8+ knows about
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format"
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# Append warning flags that only gcc 4.9+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdate-time"
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# Append warning flags that only gcc 5.x+ knows about
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H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat"
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# Append warning flags that only gcc 6.x+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa"
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;;
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gcc-5*)
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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# Append warning flags that only gcc 4.7+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
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# Append warning flags that only gcc 4.8+ knows about
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format"
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# Append warning flags that only gcc 4.9+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdate-time"
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# Append warning flags that only gcc 5.x+ knows about
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H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat"
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;;
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gcc-4.9*)
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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# Append warning flags that only gcc 4.7+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
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# Append warning flags that only gcc 4.8+ knows about
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format"
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# Append warning flags that only gcc 4.9+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdate-time"
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;;
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gcc-4.8*)
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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# Append warning flags that only gcc 4.7+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
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# Append warning flags that only gcc 4.8+ knows about
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format"
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;;
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gcc-4.7*)
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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# Append warning flags that only gcc 4.7+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
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;;
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gcc-4.6*)
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags that only gcc 4.2+ knows about
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# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
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# Append warning flags that only gcc 4.6+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
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DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
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NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
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;;
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gcc-4.5*)
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# Disable warnings about using 'long long' type
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H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
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# Append warning flags that only gcc 4.2+ knows about
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|
# (none, or incorporated in -Wall / -Wextra now)
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# Append warning flags that only gcc 4.3+ knows about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2048 -Wvla"
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# Append warning flags that only gcc 4.4+ knows about
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H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
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# Append warning flags that only gcc 4.5+ knows about
|
|
H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants"
|
|
;;
|
|
|
|
gcc-4.4*)
|
|
# Disable warnings about using 'long long' type
|
|
H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
|
|
|
|
# Append warning flags that only gcc 4.2+ knows about
|
|
H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow"
|
|
|
|
# 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"
|
|
;;
|
|
|
|
gcc-4.3*)
|
|
# Disable warnings about using 'long long' type
|
|
H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
|
|
|
|
# Append warning flags that only gcc 4.1+ knows about
|
|
# -Wvolatile-register-var was later incorporated into -Wall and
|
|
# needs to be specified explicitly for gcc 4.1-4.3.
|
|
H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var"
|
|
|
|
# Append warning flags that only gcc 4.2+ knows about
|
|
H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow"
|
|
|
|
# Append warning flags that only gcc 4.3+ knows about
|
|
#
|
|
# Technically, variable-length arrays are part of the C99 standard, but
|
|
# we should approach them a bit cautiously... -QAK
|
|
H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wvla"
|
|
;;
|
|
|
|
gcc-4.2*)
|
|
# Disable warnings about using 'long long' type
|
|
H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
|
|
|
|
# Append warning flags that only gcc 4.1+ knows about
|
|
# -Wvolatile-register-var was later incorporated into -Wall and
|
|
# needs to be specified explicitly for gcc 4.1-4.3.
|
|
H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var"
|
|
|
|
# Append warning flags that only gcc 4.2+ knows about
|
|
H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow"
|
|
;;
|
|
|
|
gcc-4.1*)
|
|
# Disable warnings about using 'long long' type
|
|
H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
|
|
|
|
# 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="$H5_CFLAGS -Wvolatile-register-var"
|
|
;;
|
|
|
|
esac
|
|
|
|
# Clear cc info if no flags set
|
|
if test "X$cc_flags_set" = "X"; then
|
|
cc_vendor=
|
|
cc_version=
|
|
fi
|