/[gentoo-x86]/eclass/flag-o-matic.eclass
Gentoo

Diff of /eclass/flag-o-matic.eclass

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

Revision 1.11 Revision 1.25
1# Copyright 1999-2002 Gentoo Technologies, Inc. 1# Copyright 1999-2003 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.25 2003/08/20 04:11:27 agriffis Exp $
4#
3# Author Bart Verwilst <verwilst@gentoo.org> 5# Author Bart Verwilst <verwilst@gentoo.org>
4# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.11 2002/12/22 12:11:56 cretin Exp $
5 6
6ECLASS=flag-o-matic 7ECLASS=flag-o-matic
7INHERITED="$INHERITED $ECLASS" 8INHERITED="$INHERITED $ECLASS"
8 9
9# 10#
10#### filter-flags <flag> #### 11#### filter-flags <flags> ####
11# Remove particular flags from C[XX]FLAGS 12# Remove particular flags from C[XX]FLAGS
13# Matches only complete flags
12# 14#
13#### append-flags <flag> #### 15#### append-flags <flags> ####
14# Add extra flags to your current C[XX]FLAGS 16# Add extra flags to your current C[XX]FLAGS
15# 17#
16#### replace-flags <orig.flag> <new.flag> ### 18#### replace-flags <orig.flag> <new.flag> ###
17# Replace a flag by another one 19# Replace a flag by another one
18# 20#
19#### is-flag <flag> #### 21#### is-flag <flag> ####
20# Returns "true" if flag is set in C[XX]FLAGS 22# Returns "true" if flag is set in C[XX]FLAGS
21# Matches only complete flag 23# Matches only complete a flag
22# 24#
23#### strip-flags #### 25#### strip-flags ####
24# Strip C[XX]FLAGS of everything except known 26# Strip C[XX]FLAGS of everything except known
25# good options. 27# good options.
26# 28#
27#### get-flag <flag> #### 29#### get-flag <flag> ####
28# Find and echo the value for a particular flag 30# Find and echo the value for a particular flag
29# 31#
32#### replace-sparc64-flags ####
33# Sets mcpu to v8 and uses the original value
34# as mtune if none specified.
35#
30 36
31filter-flags () {
32 37
33 for x in $1 38# C[XX]FLAGS that we allow in strip-flags
34 do 39ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g"
35 export CFLAGS="${CFLAGS/${x}}" 40case "${ARCH}" in
36 export CXXFLAGS="${CXXFLAGS/${x}}" 41 mips) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mabi" ;;
42 amd64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
43 alpha) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
44esac
45
46# C[XX]FLAGS that we are think is ok, but needs testing
47# NOTE: currently -Os have issues with gcc3 and K6* arch's
48UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays"
49
50filter-mfpmath() {
51 for a in $CFLAGS; do
52 if [ "${a:0:8}" == "-mfpmath" ]; then
53 orig_mfpmath=$a
54 fi
37 done 55 done
38 56
57 mfpmath="$( echo $orig_mfpmath | awk -F '=' '{print $2}' | tr "," " " )"
58 for b in $@; do
59 mfpmath="${mfpmath/$b}"
60 done
61
62 if [ -z "${mfpmath/ }" ]; then
63 filter-flags "$orig_mfpmath"
64 else
65 new_mfpmath="-mfpmath=$( echo $mfpmath | sed -e "s/ /,/g" -e "s/,,/,/g" )"
66 replace-flags "$orig_mfpmath" "$new_mfpmath"
67 fi
39} 68}
40 69
41append-flags () { 70filter-flags() {
42 71 # we do this fancy spacing stuff so as to not filter
72 # out part of a flag ... we want flag atoms ! :D
43 CFLAGS="${CFLAGS} $1" 73 CFLAGS=" ${CFLAGS} "
44 CXXFLAGS="${CXXFLAGS} $1" 74 CXXFLAGS=" ${CXXFLAGS} "
45 75 for x in $@ ; do
76 CFLAGS="${CFLAGS/ ${x} / }"
77 CXXFLAGS="${CXXFLAGS/ ${x} / }"
78 done
79 CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
80 CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
46} 81}
47 82
48replace-flags () { 83append-flags() {
84 CFLAGS="${CFLAGS} $@"
85 CXXFLAGS="${CXXFLAGS} $@"
86}
49 87
88replace-flags() {
50 CFLAGS="${CFLAGS/${1}/${2} }" 89 CFLAGS="${CFLAGS/${1}/${2} }"
51 CXXFLAGS="${CXXFLAGS/${1}/${2} }" 90 CXXFLAGS="${CXXFLAGS/${1}/${2} }"
52
53} 91}
54 92
55is-flag() { 93is-flag() {
56
57 for x in ${CFLAGS} ${CXXFLAGS} 94 for x in ${CFLAGS} ${CXXFLAGS} ; do
58 do
59 if [ "${x}" = "$1" ] 95 if [ "${x}" == "$1" ] ; then
60 then
61 echo true 96 echo true
62 break 97 return 0
63 fi 98 fi
64 done 99 done
65 100 return 1
66} 101}
67 102
68strip-flags() { 103strip-flags() {
69
70 local NEW_CFLAGS="" 104 local NEW_CFLAGS=""
71 local NEW_CXXFLAGS="" 105 local NEW_CXXFLAGS=""
72 106
73 local ALLOWED_FLAGS="-O -mcpu -march -pipe -g" 107 # Allow unstable C[XX]FLAGS if we are using unstable profile ...
108 if [ `has ~${ARCH} ${ACCEPT_KEYWORDS}` ] ; then
109 [ `use debug` ] && einfo "Enabling the use of some unstable flags"
110 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
111 fi
74 112
75 set -f 113 set -f
76 114
77 for x in ${CFLAGS} 115 for x in ${CFLAGS}
78 do 116 do
79 for y in ${ALLOWED_FLAGS} 117 for y in ${ALLOWED_FLAGS}
80 do 118 do
119 flag=${x%%=*}
81 if [ "${x/${y}}" != "${x}" ] 120 if [ "${flag%%${y}}" = "" ]
82 then 121 then
83 if [ -z "${NEW_CFLAGS}" ]
84 then
85 NEW_CFLAGS="${x}"
86 else
87 NEW_CFLAGS="${NEW_CFLAGS} ${x}" 122 NEW_CFLAGS="${NEW_CFLAGS} ${x}"
88 fi 123 break
89 fi 124 fi
90 done 125 done
91 done 126 done
92 127
93 for x in ${CXXFLAGS} 128 for x in ${CXXFLAGS}
94 do 129 do
95 for y in ${ALLOWED_FLAGS} 130 for y in ${ALLOWED_FLAGS}
96 do 131 do
132 flag=${x%%=*}
97 if [ "${x/${y}}" != "${x}" ] 133 if [ "${flag%%${y}}" = "" ]
98 then 134 then
99 if [ -z "${NEW_CXXFLAGS}" ]
100 then
101 NEW_CXXFLAGS="${x}"
102 else
103 NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}" 135 NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}"
104 fi 136 break
105 fi 137 fi
106 done 138 done
107 done 139 done
108 140
109 set +f 141 set +f
142
143 [ `use debug` ] \
144 && einfo "CFLAGS=\"${NEW_CFLAGS}\"" \
145 && einfo "CXXFLAGS=\"${NEW_CXXFLAGS}\""
110 146
111 export CFLAGS="${NEW_CFLAGS}" 147 export CFLAGS="${NEW_CFLAGS}"
112 export CXXFLAGS="${NEW_CXXFLAGS}" 148 export CXXFLAGS="${NEW_CXXFLAGS}"
113} 149}
114 150
120 echo "${f/-${findflag}=}" 156 echo "${f/-${findflag}=}"
121 return 157 return
122 fi 158 fi
123 done 159 done
124} 160}
161
162replace-sparc64-flags() {
163 local SPARC64_CPUS="ultrasparc v9"
164
165 if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]
166 then
167 for x in ${SPARC64_CPUS}
168 do
169 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
170 done
171 else
172 for x in ${SPARC64_CPUS}
173 do
174 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
175 done
176 fi
177
178 if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]
179 then
180 for x in ${SPARC64_CPUS}
181 do
182 CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
183 done
184 else
185 for x in ${SPARC64_CPUS}
186 do
187 CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
188 done
189 fi
190}

Legend:
Removed from v.1.11  
changed lines
  Added in v.1.25

  ViewVC Help
Powered by ViewVC 1.1.20