/[gentoo-x86]/eclass/flag-o-matic.eclass
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Contents of /eclass/flag-o-matic.eclass

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Revision 1.23 - (hide annotations) (download)
Fri Jul 18 20:11:22 2003 UTC (11 years, 2 months ago) by tester
Branch: MAIN
Changes since 1.22: +2 -1 lines
Adding amd64/x86_64 to a few eclasses

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 tester 1.23 # $Header: /home/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.22 2003/06/25 19:27:33 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 $ECLASS"
9 azarah 1.8
10 verwilst 1.2 #
11 vapier 1.18 #### filter-flags <flags> ####
12 verwilst 1.3 # Remove particular flags from C[XX]FLAGS
13 vapier 1.18 # Matches only complete flags
14 verwilst 1.2 #
15 vapier 1.18 #### append-flags <flags> ####
16 verwilst 1.3 # Add extra flags to your current C[XX]FLAGS
17     #
18 verwilst 1.4 #### replace-flags <orig.flag> <new.flag> ###
19 verwilst 1.3 # Replace a flag by another one
20     #
21 danarmak 1.7 #### is-flag <flag> ####
22     # Returns "true" if flag is set in C[XX]FLAGS
23 vapier 1.18 # Matches only complete a flag
24 danarmak 1.7 #
25 azarah 1.8 #### strip-flags ####
26     # Strip C[XX]FLAGS of everything except known
27     # good options.
28     #
29 vapier 1.10 #### get-flag <flag> ####
30     # Find and echo the value for a particular flag
31     #
32 joker 1.16 #### replace-sparc64-flags ####
33     # Sets mcpu to v8 and uses the original value
34     # as mtune if none specified.
35     #
36    
37 verwilst 1.3
38 azarah 1.17 # C[XX]FLAGS that we allow in strip-flags
39 vapier 1.22 ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g"
40     case "${ARCH}" in
41     mips) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mabi" ;;
42 tester 1.23 amd64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
43 vapier 1.22 esac
44 verwilst 1.13
45 azarah 1.17 # C[XX]FLAGS that we are think is ok, but needs testing
46     # NOTE: currently -Os have issues with gcc3 and K6* arch's
47     UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays"
48 verwilst 1.13
49 vapier 1.18 filter-flags() {
50     # we do this fancy spacing stuff so as to not filter
51     # out part of a flag ... we want flag atoms ! :D
52     export CFLAGS=" ${CFLAGS} "
53     export CXXFLAGS=" ${CXXFLAGS} "
54     for x in $@ ; do
55     export CFLAGS="${CFLAGS/ ${x} / }"
56     export CXXFLAGS="${CXXFLAGS/ ${x} / }"
57 verwilst 1.1 done
58 vapier 1.18 export CFLAGS="${CFLAGS:1:${#CFLAGS}-2}"
59     export CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}"
60 verwilst 1.2 }
61    
62 vapier 1.18 append-flags() {
63 vapier 1.19 CFLAGS="${CFLAGS} $@"
64     CXXFLAGS="${CXXFLAGS} $@"
65 verwilst 1.1 }
66    
67 vapier 1.18 replace-flags() {
68 seemant 1.9 CFLAGS="${CFLAGS/${1}/${2} }"
69     CXXFLAGS="${CXXFLAGS/${1}/${2} }"
70 danarmak 1.7 }
71    
72     is-flag() {
73 vapier 1.18 for x in ${CFLAGS} ${CXXFLAGS} ; do
74     if [ "${x}" == "$1" ] ; then
75 azarah 1.8 echo true
76 vapier 1.18 return 0
77     fi
78 danarmak 1.7 done
79 vapier 1.18 return 1
80 verwilst 1.1 }
81 azarah 1.8
82     strip-flags() {
83     local NEW_CFLAGS=""
84     local NEW_CXXFLAGS=""
85    
86 azarah 1.17 # Allow unstable C[XX]FLAGS if we are using unstable profile ...
87 vapier 1.20 if [ `has ~${ARCH} ${ACCEPT_KEYWORDS}` ] ; then
88     [ `use debug` ] && einfo "Enabling the use of some unstable flags"
89 azarah 1.17 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
90     fi
91    
92 azarah 1.8 set -f
93    
94     for x in ${CFLAGS}
95     do
96     for y in ${ALLOWED_FLAGS}
97     do
98 lostlogic 1.14 flag=${x%%=*}
99     if [ "${flag%%${y}}" = "" ]
100 azarah 1.8 then
101 lostlogic 1.14 NEW_CFLAGS="${NEW_CFLAGS} ${x}"
102     break
103 azarah 1.8 fi
104     done
105     done
106    
107     for x in ${CXXFLAGS}
108     do
109     for y in ${ALLOWED_FLAGS}
110     do
111 lostlogic 1.14 flag=${x%%=*}
112     if [ "${flag%%${y}}" = "" ]
113 azarah 1.8 then
114 lostlogic 1.14 NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}"
115     break
116 azarah 1.8 fi
117     done
118     done
119    
120     set +f
121    
122 vapier 1.20 [ `use debug` ] \
123     && einfo "CFLAGS=\"${NEW_CFLAGS}\"" \
124     && einfo "CXXFLAGS=\"${NEW_CXXFLAGS}\""
125    
126 azarah 1.8 export CFLAGS="${NEW_CFLAGS}"
127     export CXXFLAGS="${NEW_CXXFLAGS}"
128     }
129    
130 vapier 1.10 get-flag() {
131     local findflag="$1"
132    
133     for f in ${CFLAGS} ${CXXFLAGS} ; do
134     if [ "${f/${findflag}}" != "${f}" ] ; then
135     echo "${f/-${findflag}=}"
136     return
137     fi
138     done
139 joker 1.16 }
140    
141 vapier 1.18 replace-sparc64-flags() {
142 joker 1.16 local SPARC64_CPUS="ultrasparc v9"
143    
144     if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]
145     then
146     for x in ${SPARC64_CPUS}
147     do
148     CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
149     done
150     else
151     for x in ${SPARC64_CPUS}
152     do
153     CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
154     done
155     fi
156    
157     if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]
158     then
159     for x in ${SPARC64_CPUS}
160     do
161     CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
162     done
163     else
164     for x in ${SPARC64_CPUS}
165     do
166     CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
167     done
168     fi
169 vapier 1.10 }

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