gentoo-x86/eclass/flag-o-matic.eclass

# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.40 2004/03/12 11:21:15 vapier Exp $
#
# Author Bart Verwilst <verwilst@gentoo.org>

ECLASS=flag-o-matic
INHERITED="$INHERITED $ECLASS"

#
#### filter-flags <flags> ####
# Remove particular flags from C[XX]FLAGS
# Matches only complete flags
#
#### append-flags <flags> ####
# Add extra flags to your current C[XX]FLAGS
#
#### replace-flags <orig.flag> <new.flag> ###
# Replace a flag by another one
#
#### replace-cpu-flags <new.cpu> <old.cpus> ###
# Replace march/mcpu flags that specify <old.cpus>
# with flags that specify <new.cpu>
#
#### is-flag <flag> ####
# Returns "true" if flag is set in C[XX]FLAGS
# Matches only complete a flag
#
#### strip-flags ####
# Strip C[XX]FLAGS of everything except known
# good options.
#
#### strip-unsupported-flags ####
# Strip C[XX]FLAGS of any flags not supported by
# installed version of gcc
#
#### get-flag <flag> ####
# Find and echo the value for a particular flag
#
#### replace-sparc64-flags ####
# Sets mcpu to v8 and uses the original value
# as mtune if none specified.
#
#### filter-mfpmath <math types> ####
# Remove specified math types from the fpmath specification
# If the user has -mfpmath=sse,386, running `filter-mfpmath sse`
# will leave the user with -mfpmath=386
#
#### append-ldflags ####
# Add extra flags to your current LDFLAGS
#
#### filter-ldflags <flags> ####
# Remove particular flags from LDFLAGS
# Matches only complete flags
#
#### etexec-flags ####
# hooked function for hardened-gcc that appends 
# -yet_exec {C,CXX,LD}FLAGS when hardened-gcc is installed
# and a package is filtering -fPIC,-fpic, -fPIE, -fpie
#
#### fstack-flags ####
# hooked function for hardened-gcc that appends
# -yno_propolice to {C,CXX,LD}FLAGS when hardened-gcc is installed
# and a package is filtering -fstack-protector, -fstack-protector-all
#

# C[XX]FLAGS that we allow in strip-flags
setup-allowed-flags() {
        export ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g"
        case "${ARCH}" in
                mips)   ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mabi" ;;
                amd64)  ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
                alpha)  ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
                ia64)   ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
        esac

        # C[XX]FLAGS that we are think is ok, but needs testing
        # NOTE:  currently -Os have issues with gcc3 and K6* arch's
        export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays"
        return 0
}

filter-flags() {
        for x in "$@" ; do
                case "${x}" in
                        -fPIC|-fpic|-fPIE|-fpie|-pie) etexec-flags;;
                        -fstack-protector|-fstack-protector-all) fstack-flags;;
                        *) ;;
                esac
        done

        # we do this fancy spacing stuff so as to not filter
        # out part of a flag ... we want flag atoms ! :D
        CFLAGS=" ${CFLAGS} "
        CXXFLAGS=" ${CXXFLAGS} "
        for x in "$@" ; do
                CFLAGS="${CFLAGS// ${x} / }"
                CXXFLAGS="${CXXFLAGS// ${x} / }"
        done
        CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
        CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
        return 0
}

filter-lfs-flags() {
        filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
}

append-flags() {
        export CFLAGS="${CFLAGS} $@"
        export CXXFLAGS="${CXXFLAGS} $@"
        [ "`is-flag -fno-stack-protector`" -o "`is-flag -fno-stack-protector-all`" ] && fstack-flags
        return 0
}

replace-flags() {
        # we do this fancy spacing stuff so as to not filter
        # out part of a flag ... we want flag atoms ! :D
        CFLAGS=" ${CFLAGS} "
        CXXFLAGS=" ${CXXFLAGS} "
        CFLAGS="${CFLAGS// ${1} / ${2} }"
        CXXFLAGS="${CXXFLAGS// ${1} / ${2} }"
        CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
        CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
        return 0
}

replace-cpu-flags() {
        local newcpu="$1" ; shift
        local oldcpu=""
        for oldcpu in "$@" ; do
                replace-flags -march=${oldcpu} -march=${newcpu}
                replace-flags -mcpu=${oldcpu} -mcpu=${newcpu}
                replace-flags -mtune=${oldcpu} -mtune=${newcpu}
        done
        return 0
}

is-flag() {
        for x in ${CFLAGS} ${CXXFLAGS} ; do
                if [ "${x}" == "$1" ] ; then
                        echo true
                        return 0
                fi
        done
        return 1
}

filter-mfpmath() {
        # save the original -mfpmath flag
        local orig_mfpmath="`get-flag -mfpmath`"
        # get the value of the current -mfpmath flag
        local new_math=" `get-flag mfpmath | tr , ' '` "
        # figure out which math values are to be removed
        local prune_math=""
        for prune_math in "$@" ; do
                new_math="${new_math/ ${prune_math} / }"
        done
        new_math="`echo ${new_math:1:${#new_math}-2} | tr ' ' ,`"

        if [ -z "${new_math}" ] ; then
                # if we're removing all user specified math values are
                # slated for removal, then we just filter the flag
                filter-flags ${orig_mfpmath}
        else
                # if we only want to filter some of the user specified
                # math values, then we replace the current flag
                replace-flags ${orig_mfpmath} -mfpmath=${new_math}
        fi
        return 0
}

strip-flags() {
        setup-allowed-flags

        local NEW_CFLAGS=""
        local NEW_CXXFLAGS=""

        # Allow unstable C[XX]FLAGS if we are using unstable profile ...
        if [ `has ~${ARCH} ${ACCEPT_KEYWORDS}` ] ; then
                [ `use debug` ] && einfo "Enabling the use of some unstable flags"
                ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
        fi

        set -f

        for x in ${CFLAGS}
        do
                for y in ${ALLOWED_FLAGS}
                do
                        flag=${x%%=*}
                        if [ "${flag%%${y}}" = "" ]
                        then
                                NEW_CFLAGS="${NEW_CFLAGS} ${x}"
                                break
                        fi
                done
        done

        for x in ${CXXFLAGS}
        do
                for y in ${ALLOWED_FLAGS}
                do
                        flag=${x%%=*}
                        if [ "${flag%%${y}}" = "" ]
                        then
                                NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}"
                                break
                        fi
                done
        done

        # In case we filtered out all optimization flags fallback to -O2
        if [ "${CFLAGS/-O}" != "${CFLAGS}" -a "${NEW_CFLAGS/-O}" = "${NEW_CFLAGS}" ]; then
                NEW_CFLAGS="${NEW_CFLAGS} -O2"
        fi
        if [ "${CXXFLAGS/-O}" != "${CXXFLAGS}" -a "${NEW_CXXFLAGS/-O}" = "${NEW_CXXFLAGS}" ]; then
                NEW_CXXFLAGS="${NEW_CXXFLAGS} -O2"
        fi

        set +f

        [ `use debug` ] \
                && einfo "CFLAGS=\"${NEW_CFLAGS}\"" \
                && einfo "CXXFLAGS=\"${NEW_CXXFLAGS}\""

        export CFLAGS="${NEW_CFLAGS}"
        export CXXFLAGS="${NEW_CXXFLAGS}"
        return 0
}

test_flag() {
        if gcc -S -xc "$@" -o /dev/null /dev/null >/dev/null 2>&1; then
                echo "$@"
                return 0
        fi
        return 1
}

strip-unsupported-flags() {
        for x in ${CFLAGS} ; do
                NEW_CFLAGS=${NEW_CFLAGS}" ""`test_flag ${x}`"
        done
        for x in ${CXXFLAGS} ; do
                NEW_CXXFLAGS=${NEW_CXXFLAGS}" ""`test_flag ${x}`"
        done

        export CFLAGS="${NEW_CFLAGS}"
        export CXXFLAGS="${NEW_CXXFLAGS}"
}

get-flag() {
        # this code looks a little flaky but seems to work for
        # everything we want ...
        # for example, if CFLAGS="-march=i686":
        # `get-flags -march` == "-march=i686"
        # `get-flags march` == "i686"
        local findflag="$1"
        for f in ${CFLAGS} ${CXXFLAGS} ; do
                if [ "${f/${findflag}}" != "${f}" ] ; then
                        echo "${f/-${findflag}=}"
                        return 0
                fi
        done
        return 1
}

replace-sparc64-flags() {
        local SPARC64_CPUS="ultrasparc v9"

        if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]
        then
                for x in ${SPARC64_CPUS}
                do
                        CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
                done
        else
                for x in ${SPARC64_CPUS}
                do
                        CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
                done
        fi
        
        if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]
        then
                for x in ${SPARC64_CPUS}
                do
                        CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
                done
        else
                for x in ${SPARC64_CPUS}
                do
                        CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
                done
        fi
}

append-ldflags() {
        LDFLAGS="${LDFLAGS} $@"
        return 0
}

filter-ldflags() {
        # we do this fancy spacing stuff so as to not filter
        # out part of a flag ... we want flag atoms ! :D
        LDFLAGS=" ${LDFLAGS} "
        for x in "$@" ; do
                LDFLAGS="${LDFLAGS// ${x} / }"
        done
        LDFLAGS="${LDFLAGS:1:${#LDFLAGS}-2}"
        return 0
}

etexec-flags() {
        has_version sys-devel/hardened-gcc
        if [ $? == 0 ] ; then
                if [ "`is-flag -yet_exec`" != "true" ]; then
                        debug-print ">>> appending flags -yet_exec"
                        append-flags -yet_exec
                        append-ldflags -yet_exec
                fi
        fi
}

fstack-flags() {
        has_version sys-devel/hardened-gcc
        if [ $? == 0 ] ; then
                if [ "`is-flag -yno_propolice`" != "true" ]; then
                        debug-print ">>> appending flags -yno_propolice"
                        append-flags -yno_propolice
                        append-ldflags -yno_propolice
                fi
        fi
}
1	vapier	1.12	# Copyright 1999-2003 Gentoo Technologies, Inc.
2	verwilst	1.1	# Distributed under the terms of the GNU General Public License v2
3	solar	1.41	# $Header: /home/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.40 2004/03/12 11:21:15 vapier Exp $
4	vapier	1.12	#
5	verwilst	1.1	# Author Bart Verwilst <verwilst@gentoo.org>
6	azarah	1.8
7	verwilst	1.1	ECLASS=flag-o-matic
8	danarmak	1.6	INHERITED="$INHERITED $ECLASS"
9	azarah	1.8
10	verwilst	1.2	#
11	vapier	1.18	#### filter-flags <flags> ####
12	verwilst	1.3	# Remove particular flags from C[XX]FLAGS
13	vapier	1.18	# Matches only complete flags
14	verwilst	1.2	#
15	vapier	1.18	#### append-flags <flags> ####
16	verwilst	1.3	# Add extra flags to your current C[XX]FLAGS
17			#
18	verwilst	1.4	#### replace-flags <orig.flag> <new.flag> ###
19	verwilst	1.3	# Replace a flag by another one
20			#
21	vapier	1.37	#### replace-cpu-flags <new.cpu> <old.cpus> ###
22			# Replace march/mcpu flags that specify <old.cpus>
23			# with flags that specify <new.cpu>
24			#
25	danarmak	1.7	#### is-flag <flag> ####
26			# Returns "true" if flag is set in C[XX]FLAGS
27	vapier	1.18	# Matches only complete a flag
28	danarmak	1.7	#
29	azarah	1.8	#### strip-flags ####
30			# Strip C[XX]FLAGS of everything except known
31			# good options.
32			#
33	puggy	1.29	#### strip-unsupported-flags ####
34			# Strip C[XX]FLAGS of any flags not supported by
35			# installed version of gcc
36			#
37	vapier	1.10	#### get-flag <flag> ####
38			# Find and echo the value for a particular flag
39			#
40	joker	1.16	#### replace-sparc64-flags ####
41			# Sets mcpu to v8 and uses the original value
42			# as mtune if none specified.
43			#
44	vapier	1.26	#### filter-mfpmath <math types> ####
45			# Remove specified math types from the fpmath specification
46			# If the user has -mfpmath=sse,386, running `filter-mfpmath sse`
47			# will leave the user with -mfpmath=386
48	solar	1.27	#
49			#### append-ldflags ####
50			# Add extra flags to your current LDFLAGS
51			#
52	solar	1.41	#### filter-ldflags <flags> ####
53			# Remove particular flags from LDFLAGS
54			# Matches only complete flags
55			#
56	solar	1.27	#### etexec-flags ####
57			# hooked function for hardened-gcc that appends
58			# -yet_exec {C,CXX,LD}FLAGS when hardened-gcc is installed
59	solar	1.32	# and a package is filtering -fPIC,-fpic, -fPIE, -fpie
60	solar	1.27	#
61			#### fstack-flags ####
62			# hooked function for hardened-gcc that appends
63			# -yno_propolice to {C,CXX,LD}FLAGS when hardened-gcc is installed
64	solar	1.32	# and a package is filtering -fstack-protector, -fstack-protector-all
65	solar	1.27	#
66	verwilst	1.3
67	azarah	1.17	# C[XX]FLAGS that we allow in strip-flags
68	vapier	1.36	setup-allowed-flags() {
69			export ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g"
70			case "${ARCH}" in
71			mips) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mabi" ;;
72			amd64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
73			alpha) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
74			ia64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
75			esac
76
77			# C[XX]FLAGS that we are think is ok, but needs testing
78			# NOTE: currently -Os have issues with gcc3 and K6* arch's
79			export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays"
80			return 0
81	aliz	1.24	}
82	verwilst	1.13
83	vapier	1.18	filter-flags() {
84	vapier	1.36	for x in "$@" ; do
85	solar	1.27	case "${x}" in
86	solar	1.39	-fPIC\|-fpic\|-fPIE\|-fpie\|-pie) etexec-flags;;
87	solar	1.32	-fstack-protector\|-fstack-protector-all) fstack-flags;;
88	solar	1.27	*) ;;
89			esac
90			done
91	vapier	1.36
92	vapier	1.18	# we do this fancy spacing stuff so as to not filter
93			# out part of a flag ... we want flag atoms ! :D
94	agriffis	1.25	CFLAGS=" ${CFLAGS} "
95			CXXFLAGS=" ${CXXFLAGS} "
96	vapier	1.36	for x in "$@" ; do
97	vapier	1.37	CFLAGS="${CFLAGS// ${x} / }"
98			CXXFLAGS="${CXXFLAGS// ${x} / }"
99	verwilst	1.1	done
100	agriffis	1.25	CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
101			CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
102	vapier	1.36	return 0
103	verwilst	1.2	}
104
105	vapier	1.40	filter-lfs-flags() {
106			filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
107			}
108
109	vapier	1.18	append-flags() {
110	vapier	1.36	export CFLAGS="${CFLAGS} $@"
111			export CXXFLAGS="${CXXFLAGS} $@"
112	vapier	1.33	[ "`is-flag -fno-stack-protector`" -o "`is-flag -fno-stack-protector-all`" ] && fstack-flags
113	vapier	1.28	return 0
114	verwilst	1.1	}
115
116	vapier	1.18	replace-flags() {
117	vapier	1.36	# we do this fancy spacing stuff so as to not filter
118			# out part of a flag ... we want flag atoms ! :D
119			CFLAGS=" ${CFLAGS} "
120			CXXFLAGS=" ${CXXFLAGS} "
121	vapier	1.37	CFLAGS="${CFLAGS// ${1} / ${2} }"
122			CXXFLAGS="${CXXFLAGS// ${1} / ${2} }"
123	vapier	1.36	CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
124			CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
125	vapier	1.28	return 0
126	danarmak	1.7	}
127
128	vapier	1.37	replace-cpu-flags() {
129			local newcpu="$1" ; shift
130			local oldcpu=""
131			for oldcpu in "$@" ; do
132			replace-flags -march=${oldcpu} -march=${newcpu}
133			replace-flags -mcpu=${oldcpu} -mcpu=${newcpu}
134	vapier	1.38	replace-flags -mtune=${oldcpu} -mtune=${newcpu}
135	vapier	1.37	done
136			return 0
137			}
138
139	danarmak	1.7	is-flag() {
140	vapier	1.18	for x in ${CFLAGS} ${CXXFLAGS} ; do
141			if [ "${x}" == "$1" ] ; then
142	azarah	1.8	echo true
143	vapier	1.18	return 0
144			fi
145	danarmak	1.7	done
146	vapier	1.18	return 1
147	verwilst	1.1	}
148	azarah	1.8
149	vapier	1.36	filter-mfpmath() {
150			# save the original -mfpmath flag
151			local orig_mfpmath="`get-flag -mfpmath`"
152			# get the value of the current -mfpmath flag
153			local new_math=" `get-flag mfpmath \| tr , ' '` "
154			# figure out which math values are to be removed
155			local prune_math=""
156			for prune_math in "$@" ; do
157			new_math="${new_math/ ${prune_math} / }"
158			done
159			new_math="`echo ${new_math:1:${#new_math}-2} \| tr ' ' ,`"
160
161			if [ -z "${new_math}" ] ; then
162			# if we're removing all user specified math values are
163			# slated for removal, then we just filter the flag
164			filter-flags ${orig_mfpmath}
165			else
166			# if we only want to filter some of the user specified
167			# math values, then we replace the current flag
168			replace-flags ${orig_mfpmath} -mfpmath=${new_math}
169			fi
170			return 0
171			}
172
173	azarah	1.8	strip-flags() {
174	vapier	1.36	setup-allowed-flags
175
176	azarah	1.8	local NEW_CFLAGS=""
177			local NEW_CXXFLAGS=""
178
179	azarah	1.17	# Allow unstable C[XX]FLAGS if we are using unstable profile ...
180	vapier	1.20	if [ `has ~${ARCH} ${ACCEPT_KEYWORDS}` ] ; then
181			[ `use debug` ] && einfo "Enabling the use of some unstable flags"
182	azarah	1.17	ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
183			fi
184
185	azarah	1.8	set -f
186
187			for x in ${CFLAGS}
188			do
189			for y in ${ALLOWED_FLAGS}
190			do
191	lostlogic	1.14	flag=${x%%=*}
192			if [ "${flag%%${y}}" = "" ]
193	azarah	1.8	then
194	lostlogic	1.14	NEW_CFLAGS="${NEW_CFLAGS} ${x}"
195			break
196	azarah	1.8	fi
197			done
198			done
199
200			for x in ${CXXFLAGS}
201			do
202			for y in ${ALLOWED_FLAGS}
203			do
204	lostlogic	1.14	flag=${x%%=*}
205			if [ "${flag%%${y}}" = "" ]
206	azarah	1.8	then
207	lostlogic	1.14	NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}"
208			break
209	azarah	1.8	fi
210			done
211			done
212	azarah	1.30
213			# In case we filtered out all optimization flags fallback to -O2
214			if [ "${CFLAGS/-O}" != "${CFLAGS}" -a "${NEW_CFLAGS/-O}" = "${NEW_CFLAGS}" ]; then
215			NEW_CFLAGS="${NEW_CFLAGS} -O2"
216			fi
217			if [ "${CXXFLAGS/-O}" != "${CXXFLAGS}" -a "${NEW_CXXFLAGS/-O}" = "${NEW_CXXFLAGS}" ]; then
218			NEW_CXXFLAGS="${NEW_CXXFLAGS} -O2"
219			fi
220	azarah	1.8
221			set +f
222
223	vapier	1.20	[ `use debug` ] \
224			&& einfo "CFLAGS=\"${NEW_CFLAGS}\"" \
225			&& einfo "CXXFLAGS=\"${NEW_CXXFLAGS}\""
226
227	azarah	1.8	export CFLAGS="${NEW_CFLAGS}"
228			export CXXFLAGS="${NEW_CXXFLAGS}"
229	vapier	1.36	return 0
230	puggy	1.29	}
231
232	vapier	1.36	test_flag() {
233			if gcc -S -xc "$@" -o /dev/null /dev/null >/dev/null 2>&1; then
234			echo "$@"
235			return 0
236	puggy	1.29	fi
237	vapier	1.36	return 1
238	puggy	1.29	}
239
240			strip-unsupported-flags() {
241	vapier	1.36	for x in ${CFLAGS} ; do
242	puggy	1.29	NEW_CFLAGS=${NEW_CFLAGS}" ""`test_flag ${x}`"
243			done
244	vapier	1.36	for x in ${CXXFLAGS} ; do
245	puggy	1.29	NEW_CXXFLAGS=${NEW_CXXFLAGS}" ""`test_flag ${x}`"
246			done
247
248	vapier	1.36	export CFLAGS="${NEW_CFLAGS}"
249			export CXXFLAGS="${NEW_CXXFLAGS}"
250	azarah	1.8	}
251
252	vapier	1.10	get-flag() {
253	vapier	1.36	# this code looks a little flaky but seems to work for
254			# everything we want ...
255			# for example, if CFLAGS="-march=i686":
256			# `get-flags -march` == "-march=i686"
257			# `get-flags march` == "i686"
258	vapier	1.10	local findflag="$1"
259			for f in ${CFLAGS} ${CXXFLAGS} ; do
260			if [ "${f/${findflag}}" != "${f}" ] ; then
261			echo "${f/-${findflag}=}"
262	vapier	1.28	return 0
263	vapier	1.10	fi
264			done
265	vapier	1.28	return 1
266	joker	1.16	}
267
268	vapier	1.18	replace-sparc64-flags() {
269	joker	1.16	local SPARC64_CPUS="ultrasparc v9"
270
271			if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]
272			then
273			for x in ${SPARC64_CPUS}
274			do
275			CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
276			done
277			else
278			for x in ${SPARC64_CPUS}
279			do
280			CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
281			done
282			fi
283
284			if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]
285			then
286			for x in ${SPARC64_CPUS}
287			do
288			CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
289			done
290			else
291			for x in ${SPARC64_CPUS}
292			do
293			CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
294			done
295			fi
296	solar	1.27	}
297
298			append-ldflags() {
299			LDFLAGS="${LDFLAGS} $@"
300	vapier	1.28	return 0
301	solar	1.27	}
302
303	solar	1.41	filter-ldflags() {
304			# we do this fancy spacing stuff so as to not filter
305			# out part of a flag ... we want flag atoms ! :D
306			LDFLAGS=" ${LDFLAGS} "
307			for x in "$@" ; do
308			LDFLAGS="${LDFLAGS// ${x} / }"
309			done
310			LDFLAGS="${LDFLAGS:1:${#LDFLAGS}-2}"
311			return 0
312			}
313
314	vapier	1.36	etexec-flags() {
315	solar	1.35	has_version sys-devel/hardened-gcc
316	vapier	1.36	if [ $? == 0 ] ; then
317	solar	1.35	if [ "`is-flag -yet_exec`" != "true" ]; then
318	vapier	1.36	debug-print ">>> appending flags -yet_exec"
319	solar	1.34	append-flags -yet_exec
320			append-ldflags -yet_exec
321			fi
322	solar	1.35	fi
323	solar	1.27	}
324
325			fstack-flags() {
326	solar	1.35	has_version sys-devel/hardened-gcc
327	vapier	1.36	if [ $? == 0 ] ; then
328	solar	1.35	if [ "`is-flag -yno_propolice`" != "true" ]; then
329	solar	1.34	debug-print ">>> appending flags -yno_propolice"
330			append-flags -yno_propolice
331			append-ldflags -yno_propolice
332			fi
333	solar	1.35	fi
334	vapier	1.10	}