summaryrefslogtreecommitdiff
blob: 8559291e7007943bc2f0a86328abddba4aab1d92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-base/x11-drm/x11-drm-20060608-r1.ebuild,v 1.7 2007/10/09 07:36:00 dberkholz Exp $

WANT_AUTOCONF="latest"
WANT_AUTOMAKE="1.7"

inherit eutils x11 linux-mod autotools

IUSE_VIDEO_CARDS="
	video_cards_i810
	video_cards_mach64
	video_cards_mga
	video_cards_nv
	video_cards_r128
	video_cards_radeon
	video_cards_savage
	video_cards_sis
	video_cards_sunffb
	video_cards_tdfx
	video_cards_via"
IUSE="${IUSE_VIDEO_CARDS} kernel_FreeBSD kernel_linux"

# Make sure Portage does _NOT_ strip symbols.  We will do it later and make sure
# that only we only strip stuff that are safe to strip ...
RESTRICT="strip"

S="${WORKDIR}/drm"
PATCHVER="0.3"
PATCHDIR="${WORKDIR}/patch"
EXCLUDED="${WORKDIR}/excluded"

DESCRIPTION="DRM Kernel Modules for X11"
HOMEPAGE="http://dri.sf.net"
SRC_URI="mirror://gentoo/${P}-gentoo-${PATCHVER}.tar.bz2
	 mirror://gentoo/linux-drm-${PV}-kernelsource.tar.bz2"

SLOT="0"
LICENSE="X11"
KEYWORDS="~alpha ~amd64 ~ia64 ~ppc ~x86 ~x86-fbsd"

DEPEND="kernel_linux? ( virtual/linux-sources )
	kernel_FreeBSD? ( sys-freebsd/freebsd-sources
			sys-freebsd/freebsd-mk-defs )"
RDEPEND=""

pkg_setup() {
	# Setup the kernel's stuff.
	kernel_setup

	# Set video cards to build for.
	set_vidcards

	# DRM CVS is undergoing changes which require splitting source to support both 2.4
	# and 2.6 kernels. This determines which to use.
	get_drm_build_dir

	return 0
}

src_unpack() {
	unpack linux-drm-${PV}-kernelsource.tar.bz2
	unpack ${P}-gentoo-${PATCHVER}.tar.bz2

	cd "${S}"

	patch_prepare

	# Apply patches
	EPATCH_SUFFIX="patch" epatch "${PATCHDIR}"

	# Substitute new directory under /lib/modules/${KV_FULL}
	cd "${SRC_BUILD}"
	sed -ie "s:/kernel/drivers/char/drm:/${PN}:g" Makefile

	cp "${S}"/tests/*.c "${SRC_BUILD}"

	src_unpack_os

	cd "${S}"
	eautoreconf -v --install
}

src_compile() {
	cd "${S}"
	# Building the programs. These are useful for developers and getting info from DRI and DRM.
	#
	# libdrm objects are needed for drmstat.
	econf || die "libdrm configure failed."
	emake || die "libdrm build failed."

	einfo "Building DRM in ${SRC_BUILD}..."
	src_compile_os
	einfo "DRM build finished".
}

src_install() {
	einfo "Installing DRM..."
	cd "${SRC_BUILD}"

	src_install_os

	dodoc "${S}/linux-core/README.drm"

	dobin dristat
	dobin drmstat
}

pkg_postinst() {
	if use video_cards_sis
	then
		einfo "SiS direct rendering only works on 300 series chipsets."
		einfo "SiS framebuffer also needs to be enabled in the kernel."
	fi

	if use video_cards_mach64
	then
		einfo "The Mach64 DRI driver is insecure."
		einfo "Malicious clients can write to system memory."
		einfo "For more information, see:"
		einfo "http://dri.freedesktop.org/wiki/ATIMach64."
	fi

	pkg_postinst_os
}

# Functions used above are defined below:

kernel_setup() {
	if use kernel_FreeBSD
	then
		K_RV=${CHOST/*-freebsd/}
	elif use kernel_linux
	then
		linux-mod_pkg_setup

		if kernel_is 2 6
		then
			linux_chkconfig_builtin "DRM" && \
				die "Please disable or modularize DRM in the kernel config. (CONFIG_DRM = n or m)"

			CONFIG_CHECK="AGP"
			ERROR_AGP="AGP support is not enabled in your kernel config (CONFIG_AGP)"
		elif kernel_is 2 4
		then
			CONFIG_CHECK="DRM"
			ERROR_DRM="Please enable DRM support in your kernel configuration. (CONFIG_DRM = y or m)."
		fi
	fi
}

set_vidcards() {
	if use kernel_linux; then
		set_kvobj
		I810_VIDCARDS="i810.${KV_OBJ} i830.${KV_OBJ} i915.${KV_OBJ}"
	elif use kernel_FreeBSD; then
		KV_OBJ="ko"
		# bsd does not have i810/i830, only i915:
		I810_VIDCARDS="i915.${KV_OBJ}"
	fi

	VIDCARDS=""

	if [[ -n "${VIDEO_CARDS}" ]]; then
		use video_cards_i810 && \
			VIDCARDS="${VIDCARDS} ${I810_VIDCARDS}"
		use video_cards_mach64 && \
			VIDCARDS="${VIDCARDS} mach64.${KV_OBJ}"
		use video_cards_mga && \
			VIDCARDS="${VIDCARDS} mga.${KV_OBJ}"
		use video_cards_nv && \
			VIDCARDS="${VIDCARDS} nv.${KV_OBJ}"
		use video_cards_r128 && \
			VIDCARDS="${VIDCARDS} r128.${KV_OBJ}"
		use video_cards_radeon && \
			VIDCARDS="${VIDCARDS} radeon.${KV_OBJ}"
		use video_cards_savage && \
			VIDCARDS="${VIDCARDS} savage.${KV_OBJ}"
		use video_cards_sis && \
			VIDCARDS="${VIDCARDS} sis.${KV_OBJ}"
		use video_cards_via && \
			VIDCARDS="${VIDCARDS} via.${KV_OBJ}"
		use video_cards_sunffb && \
			VIDCARDS="${VIDCARDS} ffb.${KV_OBJ}"
		use video_cards_tdfx && \
			VIDCARDS="${VIDCARDS} tdfx.${KV_OBJ}"
	fi
}

get_drm_build_dir() {
	if use kernel_FreeBSD
	then
		SRC_BUILD="${S}/bsd-core"
	elif kernel_is 2 4
	then
		SRC_BUILD="${S}/linux"
	elif kernel_is 2 6
	then
		SRC_BUILD="${S}/linux-core"
	fi
}

patch_prepare() {
	# Handle exclusions based on the following...
	#     All trees (0**), Standard only (1**), Others (none right now)
	#     2.4 vs. 2.6 kernels
	if use kernel_linux
	then
	    kernel_is 2 4 && mv -f "${PATCHDIR}"/*kernel-2.6* "${EXCLUDED}"
	    kernel_is 2 6 && mv -f "${PATCHDIR}"/*kernel-2.4* "${EXCLUDED}"
	fi

	# There is only one tree being maintained now. No numeric exclusions need
	# to be done based on DRM tree.
}

src_unpack_freebsd() {
	# Do FreeBSD stuff.
	if use kernel_FreeBSD
	then
		# Link in freebsd kernel.
		ln -s "/usr/src/sys-${K_RV}" "${WORKDIR}/sys"
		# SUBDIR variable gets to all Makefiles, we need it only in the main one.
		SUBDIRS=${VIDCARDS//.ko}
		sed -ie "s:SUBDIR\ =.*:SUBDIR\ =\ drm ${SUBDIRS}:" "${SRC_BUILD}"/Makefile
	fi
}

src_unpack_os() {
	if use kernel_FreeBSD
	then
		src_unpack_freebsd
	fi
}

src_compile_os() {
	if use kernel_linux
	then
		src_compile_linux
	elif use kernel_FreeBSD
	then
		src_compile_freebsd
	fi
}

src_install_os() {
	if use kernel_linux
	then
		src_install_linux
	elif use kernel_FreeBSD
	then
		src_install_freebsd
	fi
}

src_compile_linux() {
	# This now uses an M= build system. Makefile does most of the work.
	cd "${SRC_BUILD}"
	unset ARCH
	emake M="${SRC_BUILD}" \
		LINUXDIR="${KERNEL_DIR}" \
		DRM_MODULES="${VIDCARDS}" \
		modules || die_error

	if linux_chkconfig_present DRM
	then
		echo "Please disable in-kernel DRM support to use this package."
	fi

	# LINUXDIR is needed to allow Makefiles to find kernel release.
	cd "${SRC_BUILD}"
	emake LINUXDIR="${KERNEL_DIR}" dristat || die "Building dristat failed."
	emake LINUXDIR="${KERNEL_DIR}" drmstat || die "Building drmstat failed."
}

src_compile_freebsd() {
	cd "${SRC_BUILD}"
	# Environment CFLAGS overwrite kernel CFLAGS which is bad.
	local svcflags=${CFLAGS}; local svldflags=${LDFLAGS}
	unset CFLAGS; unset LDFLAGS
	MAKE=make \
		emake \
		NO_WERROR= \
		SYSDIR="${WORKDIR}/sys" \
		KMODDIR="/boot/modules" \
		|| die "pmake failed."
	export CFLAGS=${svcflags}; export LDFLAGS=${svldflags}

	cd "${S}/tests"
	# -D_POSIX_SOURCE skips the definition of several stuff we need
	# for these two to compile
	sed -i -e "s/-D_POSIX_SOURCE//" Makefile
	emake dristat || die "Building dristat failed."
	emake drmstat || die "Building drmstat failed."
	# Move these where the linux stuff expects them
	mv dristat drmstat "${SRC_BUILD}"
}

die_error() {
	eerror "Portage could not build the DRM modules. If you see an ACCESS DENIED error,"
	eerror "this could mean that you were using an unsupported kernel build system. All"
	eerror "2.4 kernels are supported, but only 2.6 kernels at least as new as 2.6.6"
	eerror "are supported."
	die "Unable to build DRM modules."
}

src_install_linux() {
	cd "${SRC_BUILD}"
	unset ARCH
	kernel_is 2 6 && DRM_KMOD="drm.${KV_OBJ}"
	emake KV="${KV_FULL}" \
		LINUXDIR="${KERNEL_DIR}" \
		DESTDIR="${D}" \
		RUNNING_REL="${KV_FULL}" \
		MODULE_LIST="${VIDCARDS} ${DRM_KMOD}" \
		O="${KBUILD_OUTPUT}" \
		install || die "Install failed."

	# Strip binaries, leaving /lib/modules untouched (bug #24415)
	strip_bins \/lib\/modules

	# Yoinked from the sys-apps/touchpad ebuild. Thanks to whoever made this.
	keepdir /etc/modules.d
	sed 's:%PN%:'${PN}':g' "${FILESDIR}"/modules.d-${PN} > "${D}"/etc/modules.d/${PN}
	sed -i 's:%KV%:'${KV_FULL}':g' "${D}"/etc/modules.d/${PN}
}

src_install_freebsd() {
	cd "${SRC_BUILD}"
	dodir "/boot/modules"
	MAKE=make \
		emake \
		install \
		NO_WERROR= \
		DESTDIR="${D}" \
		KMODDIR="/boot/modules" \
		|| die "Install failed."
}

pkg_postinst_os() {
	if use kernel_linux
	then
		linux-mod_pkg_postinst
	fi
}