My portage override for the package

xpdf (text/plain), 2.84 KB, created by Guenther Brunthaler on 2009-04-20 16:20:52 UTC

#! /bin/false
#
# Symlink target for "/etc/portage/env/<category>/<package>".
# Changes compiler options for heavy optimization,
# unless the "debug" USE-flag is set for the package, in which case
# the debugging options will be set instead.
#
# $HeadURL: /caches/xsvn/uxadm/trunk/etc/portage/env/heavily-optimized $
# $Author: root $
# $Date: 2006-12-02T15:46:05.935100Z $
# $Revision: 472 $


# Whether space-separated string $1 contains token $2.
contains_ncm9q70alywv346gx4ug8hwrq() {
	test "${1#$2}" != "$1" && return
	test "${1%$2}" != "$1" && return
	test "${1% $2 *}" != "$1" && return
	return 1
}
# Check for debugging override.
if contains_ncm9q70alywv346gx4ug8hwrq "$USE" "debug" \
	|| contains_ncm9q70alywv346gx4ug8hwrq "$FEATURES" "noclean"
then
	unset -f contains_ncm9q70alywv346gx4ug8hwrq
	. /etc/portage/env/debugging
else
	unset -f contains_ncm9q70alywv346gx4ug8hwrq
	optimizer_filter_ncm9q70alywv346gx4ug8hwrq() {
		local S1 S2 OLD NEW TT REST M SET
		S1=1; S2=1
		while true; do
			case $S1 in
				1) # Start variable modification.
					case $S2 in
						1) OLD="$CFLAGS";;
						2) OLD="$CXXFLAGS";;
						3) OLD="$FEATURES";;
						4) OLD="$USE";;
					esac
					SET=
					case $S2 in
						1 | 2) SET="-O3 -DNDEBUG -fno-omit-frame-pointer -fno-stack-check";;
					esac
					OLD="$(echo "$OLD" | tr -s '[[:space:]]' ' ' | sed -e 's/^ *//; s/ *$//')"
					NEW=
					S3=1
					S1=2
					;;
				2) # Modify next token if necessary.
					if [ -z "$OLD" ]; then
						S1=3
						test -n "$SET" && NEW="$NEW${NEW:+ }$SET"
						continue
					fi
					REST="${OLD#* }"
					if [ "$OLD" = "$REST" ]; then
						TT="$OLD"; OLD=
					else
						TT="${OLD%$REST}"; TT="${TT% }"; OLD="$REST"
					fi
					M=
					case $S2 in
						1 | 2)
							case "$TT" in
								-O[0-9]) M=1;;
								-g*) M=1;;
								-DNDEBUG | -DDEBUG | -D_DEBUG) M=1;;
								-fomit-frame-pointer | -fno-omit-frame-pointer) M=1;;
								-fstack-check | -fno-stack-check) M=1;;
								-fno-eliminate-unused-debug-symbols | -feliminate-unused-debug-symbols) M=1;;
							esac
							;;
						3)
							case "$TT" in
								nostrip | keeptemp | keepwork | noclean) M=1;;
							esac
							;;
						4)
							case "$TT" in
								debug) M=1;;
							esac
							;;
					esac
					if [ -n "$M" ]; then
						# $TT matches a debugging-relevant token.
						test -z "$SET" && continue
						TT="$SET"; SET=
					fi
					NEW="$NEW${NEW:+ }$TT"
					;;
				3) # Complete variable modification.
					case $S2 in
						1) CFLAGS="$NEW"; S2=2;;
						2) CXXFLAGS="$NEW"; S2=3;;
						3) FEATURES="$NEW"; S2=4;;
						4) USE="$NEW"; return;;
					esac
					S1=1
					;;
			esac
		done


	}
	optimizer_filter_ncm9q70alywv346gx4ug8hwrq
	unset -f optimizer_filter_ncm9q70alywv346gx4ug8hwrq
	echo "OVERRIDING FLAGS: heavily-optimized"
	#echo "CFLAGS=$CFLAGS"; echo "CXXFLAGS=$CXXFLAGS"; echo "FEATURES=$FEATURES"; echo "USE=$USE"
fi