/[gentoo-x86]/eclass/linux-mod.eclass
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Revision 1.52 Revision 1.53
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
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/linux-mod.eclass,v 1.52 2005/09/22 14:13:36 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.53 2005/10/22 16:55:17 johnm Exp $
4 4
5# Description: This eclass is used to interface with linux-info in such a way 5# Description: This eclass is used to interface with linux-info in such a way
6# to provide the functionality required and initial functions 6# to provide the functionality required and initial functions
7# required to install external modules against a kernel source 7# required to install external modules against a kernel source
8# tree. 8# tree.
91 sys-apps/sed 91 sys-apps/sed
92 pcmcia? ( virtual/pcmcia )" 92 pcmcia? ( virtual/pcmcia )"
93 93
94# eclass utilities 94# eclass utilities
95# ---------------------------------- 95# ----------------------------------
96
97check_vermagic() {
98 local curr_gcc_ver=$(gcc -dumpversion)
99 local tmpfile old_chost old_gcc_ver result=0
100
101 tmpfile=`find ${KV_DIR} -iname "*.o.cmd" -exec grep usr/lib/gcc {} \; -quit`
102 tmpfile=${tmpfile//*usr/lib}
103 tmpfile=${tmpfile//\/include*}
104 old_chost=${tmpfile//*gcc\/}
105 old_chost=${old_chost//\/*}
106 old_gcc_ver=${tmpfile//*\/}
107
108 if [[ ${curr_gcc_ver} != ${old_gcc_ver} ]]; then
109 ewarn ""
110 ewarn "The version of GCC you are using (${curr_gcc_ver}) does"
111 ewarn "not match the version of GCC used to compile the"
112 ewarn "kernel (${old_gcc_ver})."
113 result=1
114 elif [[ ${CHOST} != ${old_chost} ]]; then
115 ewarn ""
116 ewarn "The current CHOST (${CHOST}) does not match the chost"
117 ewarn "used when compiling the kernel (${old_chost})."
118 result=1
119 elif [[ -z ${old_gcc_ver} || -z ${old_chost} ]]; then
120 ewarn ""
121 ewarn "Unable to detect what version of GCC was used to compile"
122 ewarn "the kernel. Build will continue, but you may experience problems."
123 fi
124
125 if [[ ${result} -gt 0 ]]; then
126 ewarn ""
127 ewarn "Build will not continue, because you will experience problems."
128 ewarn "To fix this either change the version of GCC you wish to use"
129 ewarn "to match the kernel, or recompile the kernel first."
130 die "GCC Version Mismatch."
131 fi
132}
96 133
97unpack_pcmcia_sources() { 134unpack_pcmcia_sources() {
98 # So while the two eclasses exist side-by-side and also the ebuilds inherit 135 # So while the two eclasses exist side-by-side and also the ebuilds inherit
99 # both we need to check for PCMCIA_SOURCE_DIR, and if we find it, then we 136 # both we need to check for PCMCIA_SOURCE_DIR, and if we find it, then we
100 # bail out and assume pcmcia.eclass is working on it. 137 # bail out and assume pcmcia.eclass is working on it.
420linux-mod_pkg_setup() { 457linux-mod_pkg_setup() {
421 linux-info_pkg_setup; 458 linux-info_pkg_setup;
422 check_kernel_built; 459 check_kernel_built;
423 check_modules_supported; 460 check_modules_supported;
424 set_kvobj; 461 set_kvobj;
462 check_vermagic;
425} 463}
426 464
427linux-mod_src_compile() { 465linux-mod_src_compile() {
428 local modulename libdir srcdir objdir i n myARCH="${ARCH}" 466 local modulename libdir srcdir objdir i n myARCH="${ARCH}"
429 ARCH="$(tc-arch-kernel)" 467 ARCH="$(tc-arch-kernel)"

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