nfstest_gcc_build.ksh93
Posted by Anonymous on Mon 18th Mar 2024 11:07
raw | new post
modification of post by Anonymous (view diff)

#!/usr/bin/ksh93

#
# nfstest_gcc_build.ksh93
#
# Simple NFSv4 torture test by building gcc in parallel
# on a NFS filesystem
#
set -o xtrace
set -o errexit
set -o nounset

#
# build config
#
typeset config_cp_p_function_not_implemented_workaround=false
typeset config_use_posix_ksh93_builtins=true

compound gitdata=(
        typeset url='git://repo.or.cz/gcc.git'
        typeset tag='releases/gcc-13.1.0'
)

typeset -a configure_options=(
        # Per irc://irc.oftc.net/#gcc:
        # ".. pch is broken on windows as allocation using the fixed
        # address might not succeed in general and there is fixed
        # retry loop using delay that kills all performance
        # benefits..."
        '--disable-libstdcxx-pch'
)

#
# temp dir setup
#

# fixme: Does not work with NFSv4.1 filesystem from exported Linux tmpfs - why ?
#tmpdir='/cygdrive/m/tmpdir'
#mkdir -p "$tmpdir"
#chmod a=rwxt "$tmpdir"
#if [[ -d "$tmpdir" && -w "$tmpdir" ]] ; then
#       export TMPDIR="$tmpdir"
#fi

#
# source checkout
#

#time git -c checkout.workers=16 clone -b "${gitdata.tag}" --single-branch git://gcc.gnu.org/git/gcc.git
#time git -c checkout.workers=16 clone -b "${gitdata.tag}" --single-branch https://github.com/gcc-mirror/gcc.git

if [[ -f '../gcc.bundle' ]] ; then
        # Use local bundle as cache
        # The bundle was created like this:
        # ---- snip ----
        # git clone git://repo.or.cz/gcc.git
        # cd gcc
        # git bundle create '../gcc.bundle' --all
        # cd ..
        # rm -Rf gcc
        # ---- snip ----
        time git -c checkout.workers=16 clone -b "${gitdata.tag}" --single-branch '../gcc.bundle'
else
        time git -c checkout.workers=16 clone -b "${gitdata.tag}" --single-branch "${gitdata.url}"
fi

cd "$PWD/gcc/"

if $config_use_posix_ksh93_builtins ; then
        PATH="/usr/ast/bin:/opt/ast/bin:$PATH"
fi

#
# patch sources and configure build
#

# Cygwin: workaround for configure using cp -p where ln -s should be used
# (this is an automake/autoconf issue, they should trust Cygwin and not use
# ancient workarounds for issues which no longer exists)
(set -o xtrace ; sed -i "s/as_ln_s='cp -pR'/as_ln_s='ln -s'/g" $(find . -name 'configure') )

if $config_use_posix_ksh93_builtins ; then
        (set -o xtrace ; sed -i "s/\/bin\/sh/\/bin\/ksh93/g" $(find . -name 'configure') )
fi

if $config_use_posix_ksh93_builtins ; then
        ksh93 ./configure "${configure_options[@]}"
else
        bash ./configure "${configure_options[@]}"
fi

if $config_cp_p_function_not_implemented_workaround ; then
        # workaround for $ cp -p # failing with "Function not
        # implemented" in older versions of ms-nfs41-client
        if $config_use_posix_ksh93_builtins ; then
                (
                        set -o xtrace
                        sed -i -r 's/(cp.*)([[:space:]]+-p[[:space:]]+)/\1\2 -A pt /g' \
                                $(find . -name 'Makefile' -o -name 'Makefile.in')
                )
        else
                (
                        set -o xtrace ; sed -i -r 's/(cp.*)([[:space:]]+-p[[:space:]]+)/\1\2--no-preserve=ownership /g' \
                                $(find . -name 'Makefile' -o -name 'Makefile.in')
                )
        fi
fi

if $config_use_posix_ksh93_builtins ; then
        # replace /bin/sh with /bin/ksh93 for speed
        (set -o xtrace ; sed -i -r 's/\/bin\/sh/\/bin\/ksh93/g' \
                $(find . -name 'Makefile' -o -name 'Makefile.in') )
fi

#
# build gcc
#
ksh93 -c 'export SHELL=/bin/ksh93 ; (yes | make -j8 all)'
echo $?

echo "#Done."