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Revision 1.2 - (show annotations) (download)
Sun Nov 10 19:45:51 2002 UTC (11 years, 8 months ago) by azarah
Branch: MAIN
Changes since 1.1: +102 -1 lines
add epatch()

1 # Copyright 1999-2002 Gentoo Technologies, Inc.
2 # Distributed under the terms of the GNU General Public License v2
3 # Author: Martin Schlemmer <azarah@gentoo.org>
4 # $Header: /home/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.1 2002/10/26 09:16:03 azarah Exp $
5 # This eclass is for general purpose functions that most ebuilds
6 # have to implement themselfs.
7 #
8 # NB: If you add anything, please comment it!
9
10 ECLASS=eutils
11 INHERITED="$INHERITED $ECLASS"
12
13 newdepend sys-devel/patch
14
15 DESCRIPTION="Based on the ${ECLASS} eclass"
16
17 # This function generate linker scripts in /usr/lib for dynamic
18 # libs in /lib. This is to fix linking problems when you have
19 # the .so in /lib, and the .a in /usr/lib. What happens is that
20 # in some cases when linking dynamic, the .a in /usr/lib is used
21 # instead of the .so in /lib due to gcc/libtool tweaking ld's
22 # library search path. This cause many builds to fail.
23 # See bug #4411 for more info.
24 #
25 # To use, simply call:
26 #
27 # gen_usr_ldscript libfoo.so
28 #
29 # Note that you should in general use the unversioned name of
30 # the library, as ldconfig should usually update it correctly
31 # to point to the latest version of the library present.
32 #
33 # <azarah@gentoo.org> (26 Oct 2002)
34 #
35 gen_usr_ldscript() {
36
37 # Just make sure it exists
38 dodir /usr/lib
39
40 cat > ${D}/usr/lib/$1 <<"END_LDSCRIPT"
41 /* GNU ld script
42 Because Gentoo have critical dynamic libraries
43 in /lib, and the static versions in /usr/lib, we
44 need to have a "fake" dynamic lib in /usr/lib,
45 otherwise we run into linking problems.
46 See bug #4411 on http://bugs.gentoo.org/ for
47 more info. */
48 GROUP ( /lib/libxxx )
49 END_LDSCRIPT
50
51 dosed "s:libxxx:$1:" /usr/lib/$1
52 }
53
54
55 # Default directory where patches are located
56 EPATCH_SOURCE="${WORKDIR}/patch"
57 # Default directory in which patches should be applied
58 EPATCH_WORKDIR="${S}"
59 # Default extension for patches
60 EPATCH_SUFFIX="patch.bz2"
61 # Default options for patch
62 EPATCH_OPTS=""
63
64 # This function is for bulk patching, or in theory for just one
65 # or two patches.
66 #
67 # It should work with .bz2, .gz, .zip and plain text patches.
68 # Currently all patches should be the same format.
69 #
70 # You do not have to specify '-p' option to patch, as it will
71 # try with -p0 to -p5 until it succeed, or fail at -p5.
72 #
73 # Above EPATCH_* variables can be used to control various defaults,
74 # bug they should be left as is to ensure an ebuild can rely on
75 # them for.
76 #
77 # Patch/Patches should preferibly have the form of:
78 #
79 # ??_${ARCH}_foo.${EPATCH_SUFFIX}
80 #
81 # For example:
82 #
83 # 01_all_misc-fix.patch.bz2
84 # 02_sparc_another-fix.patch.bz2
85 #
86 # This ensures that there are a set order, and you can have ARCH
87 # specific patches.
88 #
89 # <azarah@gentoo.org> (10 Nov 2002)
90 #
91 epatch() {
92 local PIPE_CMD=""
93 local STDERR_TARGET="${T}/$$.out"
94
95 case ${EPATCH_SUFFIX##*\.} in
96 bz2)
97 PIPE_CMD="bzip2 -dc"
98 ;;
99 gz)
100 PIPE_CMD="gzip -dc"
101 ;;
102 zip)
103 PIPE_CMD="unzip -p"
104 ;;
105 *)
106 PIPE_CMD="cat"
107 ;;
108 esac
109
110 cd ${EPATCH_WORKDIR}
111 einfo "Applying various patches (bugfixes/updates)..."
112 for x in ${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}
113 do
114 # New ARCH dependant patch naming scheme...
115 #
116 # ???_arch_foo.patch
117 #
118 if [ -f ${x} ] && \
119 [ "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ]
120 then
121 local count=0
122 local popts="${EPATCH_OPTS}"
123
124 einfo " ${x##*/}..."
125
126 > ${STDERR_TARGET}
127
128 # Allow for prefix to differ ... im lazy, so shoot me :/
129 while [ "${count}" -lt 5 ]
130 do
131 if eval ${PIPE_CMD} ${x} | patch ${popts} --dry-run -f -p${count} 2>&1 >> ${STDERR_TARGET}
132 then
133 eval ${PIPE_CMD} ${x} | patch ${popts} -p${count} 2>&1 >> ${STDERR_TARGET}
134 break
135 fi
136
137 count=$((count + 1))
138 done
139
140 if [ "${count}" -eq 5 ]
141 then
142 eerror "Failed Patch: ${x##*/}!"
143 eerror
144 eerror "Include in your bugreport the contents of:"
145 eerror
146 eerror " ${STDERR_TARGET}"
147 eerror
148 die "Failed Patch: ${x##*/}!"
149 fi
150 fi
151 done
152 eend 0 "Done with patching"
153 }

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