| 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 |
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3 | # $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.15 2003/04/06 23:35:41 method Exp $ |
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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 1.10 2002/11/25 04:39:33 vapier Exp $ |
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| 5 | |
6 | |
| 6 | ECLASS=flag-o-matic |
7 | ECLASS=flag-o-matic |
| 7 | INHERITED="$INHERITED $ECLASS" |
8 | INHERITED="$INHERITED $ECLASS" |
| 8 | |
9 | |
| 9 | # |
10 | # |
| … | |
… | |
| 25 | # good options. |
26 | # good options. |
| 26 | # |
27 | # |
| 27 | #### get-flag <flag> #### |
28 | #### get-flag <flag> #### |
| 28 | # Find and echo the value for a particular flag |
29 | # Find and echo the value for a particular flag |
| 29 | # |
30 | # |
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31 | |
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32 | ALLOWED_FLAGS="-O -mcpu -march -mtune -fstack-protector -pipe -g" |
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33 | |
| 30 | |
34 | |
| 31 | filter-flags () { |
35 | filter-flags () { |
| 32 | |
36 | |
| 33 | for x in $1 |
37 | for x in $1 |
| 34 | do |
38 | do |
| … | |
… | |
| 68 | strip-flags() { |
72 | strip-flags() { |
| 69 | |
73 | |
| 70 | local NEW_CFLAGS="" |
74 | local NEW_CFLAGS="" |
| 71 | local NEW_CXXFLAGS="" |
75 | local NEW_CXXFLAGS="" |
| 72 | |
76 | |
| 73 | local ALLOWED_FLAGS="-O -mcpu -march -pipe" |
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| 74 | |
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| 75 | set -f |
77 | set -f |
| 76 | |
78 | |
| 77 | for x in ${CFLAGS} |
79 | for x in ${CFLAGS} |
| 78 | do |
80 | do |
| 79 | for y in ${ALLOWED_FLAGS} |
81 | for y in ${ALLOWED_FLAGS} |
| 80 | do |
82 | do |
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83 | flag=${x%%=*} |
| 81 | if [ "${x/${y}}" != "${x}" ] |
84 | if [ "${flag%%${y}}" = "" ] |
| 82 | then |
85 | then |
| 83 | if [ -z "${NEW_CFLAGS}" ] |
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| 84 | then |
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| 85 | NEW_CFLAGS="${x}" |
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| 86 | else |
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| 87 | NEW_CFLAGS="${NEW_CFLAGS} ${x}" |
86 | NEW_CFLAGS="${NEW_CFLAGS} ${x}" |
| 88 | fi |
87 | break |
| 89 | fi |
88 | fi |
| 90 | done |
89 | done |
| 91 | done |
90 | done |
| 92 | |
91 | |
| 93 | for x in ${CXXFLAGS} |
92 | for x in ${CXXFLAGS} |
| 94 | do |
93 | do |
| 95 | for y in ${ALLOWED_FLAGS} |
94 | for y in ${ALLOWED_FLAGS} |
| 96 | do |
95 | do |
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96 | flag=${x%%=*} |
| 97 | if [ "${x/${y}}" != "${x}" ] |
97 | if [ "${flag%%${y}}" = "" ] |
| 98 | then |
98 | then |
| 99 | if [ -z "${NEW_CXXFLAGS}" ] |
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| 100 | then |
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| 101 | NEW_CXXFLAGS="${x}" |
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| 102 | else |
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| 103 | NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}" |
99 | NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}" |
| 104 | fi |
100 | break |
| 105 | fi |
101 | fi |
| 106 | done |
102 | done |
| 107 | done |
103 | done |
| 108 | |
104 | |
| 109 | set +f |
105 | set +f |
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