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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../ccache/parse-config
# Copyright (C) 2006 - 2009 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
if [ "$SDECFG_PKG_CCACHE_USEIT" != 1 ]; then
true # skip
elif [ -z "`type -p ccache`" ]; then
echo_warning 'Compiler cache disabled! (ccache not available)'
elif [ "$pkg" == gcc ]; then
echo_warning 'Compiler cache disabled! (package incompatible)'
elif [ "$SDECFG_DEBUG" == 1 ]; then
echo_warning 'Compiler cache disabled! (package build with debug symbols)'
else
unset ${!CCACHE_*}
# migration, build/ccache-* -> build/.ccache-*
#
for x in $(cd "$base/build" 2> /dev/null && ls -1d ccache-* 2> /dev/null); do
if [ ! -d "$base/build/.$x" ]; then
echo_warning "ccache: moving $x to build/.$x"
mv "$base/build/$x" "$base/build/.$x"
fi
done
# wrap the sytem compiler
ccache_dir=".ccache"
if atstage toolchain; then
x=`/bin/uname -m | uname2arch`
var_append ccache_dir - $x
fi
var_append ccache_dir - $arch
# do not trash the cache with feature-less built packages
[ $stagelevel -le 2 ] && var_append ccache_dir - $stagelevel
export CCACHE_DIR="$base/build/$ccache_dir/$pkg"
export CCACHE_DONT_STAT_COMPILER=1
export CCACHE_UNIFY=1 # needed to e.g. strip comments
#export CCACHE_LOGFILE="$CCACHE_DIR.log"
# In the chroot sandbox we need to wire the cccache-$arch out by using
# the existing bind mount. We only do this, if we are not doing a
# manual stage9 build ...
if atstage native && [ "$ROCK_THIS_IS_CHROOT" ]; then
mkdir -p $base/loop/build/$ccache_dir
ln -snf ../loop/build/$ccache_dir $base/build/$ccache_dir
fi
# we instruct the flist wrapper to filter out ccache access, to
# further reduce flist post processing time for big packages
var_append FLWRAPPER_FILTERDIR ':' "$CCACHE_DIR"
mkdir -p "$CCACHE_DIR"
if [ "$SDECFG_PKG_CCACHE_CLEANUP" != 0 ]; then
# we need to know if atime tests work or not
echo > $CCACHE_DIR/.timestamp
echo > $CCACHE_DIR/.timestamp-reference
fi
ccache -M ${SDECFG_PKG_CCACHE_MAX:-1000M} > /dev/null
# just using the CC_WRAPPER would not wrap KCC ... - thus we use GCC for C and C++
# and KCC for the kernel builds ...
if ! atstage toolchain; then
var_insert KCC_WRAPPER_OTHERS ":" "ccache"
var_insert GCC_WRAPPER_OTHERS ":" "ccache"
else
var_insert SYSCC_WRAPPER_OTHERS ":" "ccache"
fi
eval "$( ccache -s | gawk '/cache hit/ { hit=$3; }
/cache miss/ { miss=$3; }
END { if (hit+miss == 0) print "x=0.00";
else printf "x=%.2f\n", hit*100 / (hit+miss);
print "ccache_hit=" hit "; ccache_miss=" miss; }' )"
y=$( du -sh "$CCACHE_DIR" | cut -f1 )
echo_status "Compiler Cache enabled: $x% ($y) cache hits so far"
ccache_print_status() {
eval "$( ccache -s | gawk '/cache hit/ { hit=$3-'$ccache_hit'; }
/cache miss/ { miss=$3-'$ccache_miss'; }
END { if (hit+miss == 0) print "x=0.00";
else printf "x=%.2f\n", hit*100 / (hit+miss);
print "ccache_hit=" hit "; ccache_miss=" miss; }' )"
y=$( du -sh "$CCACHE_DIR" | cut -f1 )
echo_status "Compiler Cache Hits while pkg build: $x% (`
`$ccache_hit hits, $ccache_miss misses, $y)"
if [ "$SDECFG_PKG_CCACHE_CLEANUP" != 0 -a -f "$root/var/adm/logs/$stagelevel-$xpkg.log" ]; then
# test if fs supports atime
cat $CCACHE_DIR/.timestamp > /dev/null
if [ "$( find $CCACHE_DIR/.timestamp -anewer $CCACHE_DIR/.timestamp-reference )" ]
then
# remove non-hits from the ccache cache ...
#
find $CCACHE_DIR -type f ! -anewer $CCACHE_DIR/.timestamp-reference -a ! -name '*.stderr' |
while read fn ;do
rm -f $fn{,.stderr} 2>/dev/null
done
echo_status "Compiler Cache reduced to $( du -sh "$CCACHE_DIR" | cut -f1 )."
else
echo_warning "No atime support available, Compiler Cache clean up not possible."
fi
fi
}
hook_add finish 9 ccache_print_status
# last but not least make sure the package does not depend on ccache
var_append flistrfilter "|" ".*bin/ccache$"
fi