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Revision 1.37 - (show annotations) (download)
Fri May 29 20:58:54 2009 UTC (5 years, 2 months ago) by hwoarang
Branch: MAIN
Changes since 1.36: +12 -3 lines
Use autopatcher from base eclass

1 # Copyright 2007-2009 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/qt4-build.eclass,v 1.36 2009/05/29 14:48:00 hwoarang Exp $
4
5 # @ECLASS: qt4-build.eclass
6 # @MAINTAINER:
7 # Ben de Groot <yngwin@gentoo.org>,
8 # Markos Chandras <hwoarang@gentoo.org>,
9 # Caleb Tennis <caleb@gentoo.org>
10 # @BLURB: Eclass for Qt4 split ebuilds.
11 # @DESCRIPTION:
12 # This eclass contains various functions that are used when building Qt4
13
14 inherit base eutils multilib toolchain-funcs flag-o-matic versionator
15
16 IUSE="${IUSE} custom-cxxflags debug pch"
17 RDEPEND="
18 !<x11-libs/qt-assistant-${PV}
19 !>x11-libs/qt-assistant-${PV}-r9999
20 !<x11-libs/qt-core-${PV}
21 !>x11-libs/qt-core-${PV}-r9999
22 !<x11-libs/qt-dbus-${PV}
23 !>x11-libs/qt-dbus-${PV}-r9999
24 !<x11-libs/qt-demo-${PV}
25 !>x11-libs/qt-demo-${PV}-r9999
26 !<x11-libs/qt-gui-${PV}
27 !>x11-libs/qt-gui-${PV}-r9999
28 !<x11-libs/qt-opengl-${PV}
29 !>x11-libs/qt-opengl-${PV}-r9999
30 !<x11-libs/qt-phonon-${PV}
31 !>x11-libs/qt-phonon-${PV}-r9999
32 !<x11-libs/qt-qt3support-${PV}
33 !>x11-libs/qt-qt3support-${PV}-r9999
34 !<x11-libs/qt-script-${PV}
35 !>x11-libs/qt-script-${PV}-r9999
36 !<x11-libs/qt-sql-${PV}
37 !>x11-libs/qt-sql-${PV}-r9999
38 !<x11-libs/qt-svg-${PV}
39 !>x11-libs/qt-svg-${PV}-r9999
40 !<x11-libs/qt-test-${PV}
41 !>x11-libs/qt-test-${PV}-r9999
42 !<x11-libs/qt-webkit-${PV}
43 !>x11-libs/qt-webkit-${PV}-r9999
44 !<x11-libs/qt-xmlpatterns-${PV}
45 !>x11-libs/qt-xmlpatterns-${PV}-r9999
46 "
47 case "${PV}" in
48 4.?.?_rc*)
49 SRCTYPE="${SRCTYPE:-opensource-src}"
50 MY_PV="${PV/_rc/-rc}"
51 ;;
52 *)
53 SRCTYPE="${SRCTYPE:-opensource-src}"
54 MY_PV="${PV}"
55 ;;
56 esac
57 MY_P=qt-x11-${SRCTYPE}-${MY_PV}
58 S=${WORKDIR}/${MY_P}
59
60 HOMEPAGE="http://www.qtsoftware.com/"
61 SRC_URI="http://download.qtsoftware.com/qt/source/${MY_P}.tar.bz2"
62
63 case "${PV}" in
64 4.4.?) SRC_URI="${SRC_URI} mirror://gentoo/${MY_P}-headers.tar.bz2" ;;
65 *) ;;
66 esac
67
68 if version_is_at_least 4.5 ${PV} ; then
69 LICENSE="|| ( LGPL-2.1 GPL-3 )"
70 fi
71
72 # @FUNCTION: qt4-build_pkg_setup
73 # @DESCRIPTION:
74 # Sets up installation directories, PLATFORM, PATH, and LD_LIBRARY_PATH
75 qt4-build_pkg_setup() {
76 # EAPI=2 ebuilds set use-deps, others need this:
77 if [[ $EAPI != 2 ]]; then
78 # Make sure debug setting corresponds with qt-core (bug 258512)
79 if [[ $PN != "qt-core" ]]; then
80 use debug && QT4_BUILT_WITH_USE_CHECK="${QT4_BUILT_WITH_USE_CHECK}
81 ~x11-libs/qt-core-${PV} debug"
82 fi
83
84 # Check USE requirements
85 qt4-build_check_use
86 fi
87 # Set up installation directories
88 QTBASEDIR=/usr/$(get_libdir)/qt4
89 QTPREFIXDIR=/usr
90 QTBINDIR=/usr/bin
91 QTLIBDIR=/usr/$(get_libdir)/qt4
92 QTPCDIR=/usr/$(get_libdir)/pkgconfig
93 QTDATADIR=/usr/share/qt4
94 QTDOCDIR=/usr/share/doc/qt-${PV}
95 QTHEADERDIR=/usr/include/qt4
96 QTPLUGINDIR=${QTLIBDIR}/plugins
97 QTSYSCONFDIR=/etc/qt4
98 QTTRANSDIR=${QTDATADIR}/translations
99 QTEXAMPLESDIR=${QTDATADIR}/examples
100 QTDEMOSDIR=${QTDATADIR}/demos
101
102 PLATFORM=$(qt_mkspecs_dir)
103
104 PATH="${S}/bin:${PATH}"
105 LD_LIBRARY_PATH="${S}/lib:${LD_LIBRARY_PATH}"
106
107 if ! version_is_at_least 4.1 $(gcc-version) ; then
108 ewarn "Using a GCC version lower than 4.1 is not supported!"
109 echo
110 ebeep 3
111 fi
112
113 if use custom-cxxflags; then
114 echo
115 ewarn "You have set USE=custom-cxxflags, which means Qt will be built with the"
116 ewarn "CXXFLAGS you have set in /etc/make.conf. This is not supported, and we"
117 ewarn "recommend to unset this useflag. But you are free to experiment with it."
118 ewarn "Just do not start crying if it breaks your system, or eats your kitten"
119 ewarn "for breakfast. ;-) "
120 echo
121 fi
122
123 }
124
125 # @ECLASS-VARIABLE: QT4_TARGET_DIRECTORIES
126 # @DESCRIPTION:
127 # Arguments for build_target_directories. Takes the directories, in which the
128 # code should be compiled. This is a space-separated list
129
130 # @ECLASS-VARIABLE: QT4_EXTRACT_DIRECTORIES
131 # @DESCRIPTION:
132 # Space separated list including the directories that will be extracted from Qt
133 # tarball
134
135 # @FUNCTION: qt4-build_src_unpack
136 # @DESCRIPTION:
137 # Unpacks the sources
138 qt4-build_src_unpack() {
139 local target targets licenses
140 if version_is_at_least 4.5 ${PV} ; then
141 licenses="LICENSE.GPL3 LICENSE.LGPL"
142 else
143 licenses="LICENSE.GPL2 LICENSE.GPL3"
144 fi
145 for target in configure ${licenses} projects.pro \
146 src/{qbase,qt_targets,qt_install}.pri bin config.tests mkspecs qmake \
147 ${QT4_EXTRACT_DIRECTORIES}; do
148 targets="${targets} ${MY_P}/${target}"
149 done
150
151 echo tar xjpf "${DISTDIR}"/${MY_P}.tar.bz2 ${targets}
152 tar xjpf "${DISTDIR}"/${MY_P}.tar.bz2 ${targets}
153
154 case "${PV}" in
155 4.4.?)
156 echo tar xjpf "${DISTDIR}"/${MY_P}-headers.tar.bz2
157 tar xjpf "${DISTDIR}"/${MY_P}-headers.tar.bz2
158 ;;
159 esac
160
161 # Be backwards compatible for now
162 if [[ $EAPI != 2 ]]; then
163 qt4-build_src_prepare
164 fi
165 }
166
167 # @ECLASS-VARIABLE: PATCHES
168 # @DESCRIPTION:
169 # In case you have patches to apply, specify them in PATCHES variable. Make sure
170 # to specify the full path. This variable is necessary for src_prepare phase.
171 # example:
172 # PATCHES="${FILESDIR}"/mypatch.patch
173 # ${FILESDIR}"/mypatch2.patch"
174 #
175
176 # @FUNCTION: qt4-build_src_prepare
177 # @DESCRIPTION:
178 # Prepare the sources before the configure phase. Strip CFLAGS if necessary, and fix
179 # source files in order to respect CFLAGS/CXXFLAGS/LDFLAGS specified on /etc/make.conf.
180 qt4-build_src_prepare() {
181 cd "${S}"
182
183 if [[ ${PN} != qt-core ]]; then
184 skip_qmake_build_patch
185 skip_project_generation_patch
186 symlink_binaries_to_buildtree
187 fi
188
189 if ! use custom-cxxflags;then
190 # Don't let the user go too overboard with flags.
191 strip-flags
192 replace-flags -O3 -O2
193 fi
194
195 # Bug 178652
196 if [[ "$(gcc-major-version)" == "3" ]] && use amd64; then
197 ewarn "Appending -fno-gcse to CFLAGS/CXXFLAGS"
198 append-flags -fno-gcse
199 fi
200
201 # Unsupported old gcc versions - hardened needs this :(
202 if [[ $(gcc-major-version) -lt "4" ]] ; then
203 ewarn "Appending -fno-stack-protector to CXXFLAGS"
204 append-cxxflags -fno-stack-protector
205 # Bug 253127
206 sed -e "/^QMAKE_CFLAGS\t/ s:$: -fno-stack-protector-all:" \
207 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
208 fi
209
210 # Bug 172219
211 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
212 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
213 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
214 -e "s:X11R6/::" \
215 -i "${S}"/mkspecs/$(qt_mkspecs_dir)/qmake.conf || die "sed ${S}/mkspecs/$(qt_mkspecs_dir)/qmake.conf failed"
216
217 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
218 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
219 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
220 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
221
222 base_src_prepare
223 }
224
225 # @FUNCTION: qt4-build_src_configure
226 # @DESCRIPTION:
227 # Default configure phase
228 qt4-build_src_configure() {
229
230 myconf="$(standard_configure_options) ${myconf}"
231
232 echo ./configure ${myconf}
233 ./configure ${myconf} || die "./configure failed"
234 }
235
236 # @FUNCTION: qt4-build_src_compile
237 # @DESCRIPTION: Actual compile phase
238 qt4-build_src_compile() {
239 # Be backwards compatible for now
240 if [[ $EAPI != 2 ]]; then
241 qt4-build_src_configure
242 fi
243
244 build_directories "${QT4_TARGET_DIRECTORIES}"
245 }
246
247 # @FUNCTION: qt4-build_src_install
248 # @DESCRIPTION:
249 # Perform the actual installation including some library fixes.
250 qt4-build_src_install() {
251 install_directories "${QT4_TARGET_DIRECTORIES}"
252 install_qconfigs
253 fix_library_files
254 }
255
256 # @FUNCTION: standard_configure_options
257 # @DESCRIPTION:
258 # Sets up some standard configure options, like libdir (if necessary), whether
259 # debug info is wanted or not.
260 standard_configure_options() {
261 local myconf=""
262
263 [[ $(get_libdir) != "lib" ]] && myconf="${myconf} -L/usr/$(get_libdir)"
264
265 # Disable visibility explicitly if gcc version isn't 4
266 if [[ "$(gcc-major-version)" -lt "4" ]]; then
267 myconf="${myconf} -no-reduce-exports"
268 fi
269
270 # precompiled headers doesn't work on hardened, where the flag is masked.
271 if use pch; then
272 myconf="${myconf} -pch"
273 else
274 myconf="${myconf} -no-pch"
275 fi
276
277 if use debug; then
278 myconf="${myconf} -debug -no-separate-debug-info"
279 else
280 myconf="${myconf} -release -no-separate-debug-info"
281 fi
282
283 # ARCH is set on Gentoo. Qt now falls back to generic on an unsupported
284 # $(tc-arch). Therefore we convert it to supported values.
285 case "$(tc-arch)" in
286 amd64) myconf="${myconf} -arch x86_64" ;;
287 ppc|ppc64) myconf="${myconf} -arch powerpc" ;;
288 x86|x86-*) myconf="${myconf} -arch i386" ;;
289 alpha|arm|ia64|mips|s390|sparc) myconf="${myconf} -arch $(tc-arch)" ;;
290 hppa|sh) myconf="${myconf} -arch generic" ;;
291 *) die "$(tc-arch) is unsupported by this eclass. Please file a bug." ;;
292 esac
293
294 # Bug 261412 Qt configure detects archs by uname
295 case "$(tc-arch)" in
296 ppc) myconf="${myconf} -platform linux-g++-32";;
297 esac
298
299 myconf="${myconf} -stl -verbose -largefile -confirm-license -no-rpath
300 -prefix ${QTPREFIXDIR} -bindir ${QTBINDIR} -libdir ${QTLIBDIR}
301 -datadir ${QTDATADIR} -docdir ${QTDOCDIR} -headerdir ${QTHEADERDIR}
302 -plugindir ${QTPLUGINDIR} -sysconfdir ${QTSYSCONFDIR}
303 -translationdir ${QTTRANSDIR} -examplesdir ${QTEXAMPLESDIR}
304 -demosdir ${QTDEMOSDIR} -silent -fast
305 $([[ ${PN} == qt-xmlpatterns ]] || echo -no-exceptions)
306 -reduce-relocations -nomake examples -nomake demos"
307
308 # Make eclass 4.5.{1,2} ready
309 case "${MY_PV}" in
310 4.5.1 | 4.5.2)
311 myconf="${myconf} -opensource"
312 ;;
313 esac
314
315 echo "${myconf}"
316 }
317
318 # @FUNCTION: build_directories
319 # @USAGE: < directories >
320 # @DESCRIPTION:
321 # Compiles the code in $QT4_TARGET_DIRECTORIES
322 build_directories() {
323 local dirs="$@"
324 for x in ${dirs}; do
325 cd "${S}"/${x}
326 "${S}"/bin/qmake "LIBS+=-L${QTLIBDIR}" "CONFIG+=nostrip" || die "qmake failed"
327 emake || die "emake failed"
328 done
329 }
330
331 # @FUNCTION: install_directories
332 # @USAGE: < directories >
333 # @DESCRIPTION:
334 # run emake install in the given directories, which are separated by spaces
335 install_directories() {
336 local dirs="$@"
337 for x in ${dirs}; do
338 pushd "${S}"/${x} >/dev/null || die "Can't pushd ${S}/${x}"
339 emake INSTALL_ROOT="${D}" install || die "emake install failed"
340 popd >/dev/null || die "Can't popd from ${S}/${x}"
341 done
342 }
343
344 # @ECLASS-VARIABLE: QCONFIG_ADD
345 # @DESCRIPTION:
346 # List options that need to be added to QT_CONFIG in qconfig.pri
347 QCONFIG_ADD="${QCONFIG_ADD:-}"
348
349 # @ECLASS-VARIABLE: QCONFIG_REMOVE
350 # @DESCRIPTION:
351 # List options that need to be removed from QT_CONFIG in qconfig.pri
352 QCONFIG_REMOVE="${QCONFIG_REMOVE:-}"
353
354 # @ECLASS-VARIABLE: QCONFIG_DEFINE
355 # @DESCRIPTION:
356 # List variables that should be defined at the top of QtCore/qconfig.h
357 QCONFIG_DEFINE="${QCONFIG_DEFINE:-}"
358
359 # @FUNCTION: install_qconfigs
360 # @DESCRIPTION: Install gentoo-specific mkspecs configurations
361 install_qconfigs() {
362 local x
363 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} ]]; then
364 for x in QCONFIG_ADD QCONFIG_REMOVE; do
365 [[ -n ${!x} ]] && echo ${x}=${!x} >> "${T}"/${PN}-qconfig.pri
366 done
367 insinto ${QTDATADIR}/mkspecs/gentoo
368 doins "${T}"/${PN}-qconfig.pri || die "installing ${PN}-qconfig.pri failed"
369 fi
370
371 if [[ -n ${QCONFIG_DEFINE} ]]; then
372 for x in ${QCONFIG_DEFINE}; do
373 echo "#define ${x}" >> "${T}"/gentoo-${PN}-qconfig.h
374 done
375 insinto ${QTHEADERDIR}/Gentoo
376 doins "${T}"/gentoo-${PN}-qconfig.h || die "installing ${PN}-qconfig.h failed"
377 fi
378 }
379
380 # @FUNCTION: generate_qconfigs
381 # @DESCRIPTION: Generates gentoo-specific configurations
382 generate_qconfigs() {
383 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} || -n ${QCONFIG_DEFINE} || ${CATEGORY}/${PN} == x11-libs/qt-core ]]; then
384 local x qconfig_add qconfig_remove qconfig_new
385 for x in "${ROOT}${QTDATADIR}"/mkspecs/gentoo/*-qconfig.pri; do
386 [[ -f ${x} ]] || continue
387 qconfig_add="${qconfig_add} $(sed -n 's/^QCONFIG_ADD=//p' "${x}")"
388 qconfig_remove="${qconfig_remove} $(sed -n 's/^QCONFIG_REMOVE=//p' "${x}")"
389 done
390
391 # these error checks do not use die because dying in pkg_post{inst,rm}
392 # just makes things worse.
393 if [[ -e "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri ]]; then
394 # start with the qconfig.pri that qt-core installed
395 if ! cp "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri \
396 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
397 eerror "cp qconfig failed."
398 return 1
399 fi
400
401 # generate list of QT_CONFIG entries from the existing list
402 # including qconfig_add and excluding qconfig_remove
403 for x in $(sed -n 's/^QT_CONFIG +=//p' \
404 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri) ${qconfig_add}; do
405 hasq ${x} ${qconfig_remove} || qconfig_new="${qconfig_new} ${x}"
406 done
407
408 # replace the existing QT_CONFIG list with qconfig_new
409 if ! sed -i -e "s/QT_CONFIG +=.*/QT_CONFIG += ${qconfig_new}/" \
410 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
411 eerror "Sed for QT_CONFIG failed"
412 return 1
413 fi
414
415 # create Gentoo/qconfig.h
416 if [[ ! -e ${ROOT}${QTHEADERDIR}/Gentoo ]]; then
417 if ! mkdir -p "${ROOT}${QTHEADERDIR}"/Gentoo; then
418 eerror "mkdir ${QTHEADERDIR}/Gentoo failed"
419 return 1
420 fi
421 fi
422 : > "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
423 for x in "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-*-qconfig.h; do
424 [[ -f ${x} ]] || continue
425 cat "${x}" >> "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
426 done
427 else
428 rm -f "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri
429 rm -f "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
430 rmdir "${ROOT}${QTDATADIR}"/mkspecs \
431 "${ROOT}${QTDATADIR}" \
432 "${ROOT}${QTHEADERDIR}"/Gentoo \
433 "${ROOT}${QTHEADERDIR}" 2>/dev/null
434 fi
435 fi
436 }
437
438 # @FUNCTION: qt4-build_pkg_postrm
439 # @DESCRIPTION: Generate configurations when the package is completely removed
440 qt4-build_pkg_postrm() {
441 generate_qconfigs
442 }
443
444 # @FUNCTION: qt4-build_pkg_postinst
445 # @DESCRIPTION: Generate configuration, plus throws a message about possible
446 # breakages and proposed solutions.
447 qt4-build_pkg_postinst() {
448 generate_qconfigs
449 echo
450 ewarn "After a rebuild or upgrade of Qt, it can happen that Qt plugins (such as Qt"
451 ewarn "and KDE styles and widgets) can no longer be loaded. In this situation you"
452 ewarn "should recompile the packages providing these plugins. Also, make sure you"
453 ewarn "compile the Qt packages, and the packages that depend on it, with the same"
454 ewarn "GCC version and the same USE flag settings (especially the debug flag)."
455 ewarn
456 ewarn "Packages that typically need to be recompiled are kdelibs from KDE4, any"
457 ewarn "additional KDE4/Qt4 styles, qscintilla and PyQt4. Before filing a bug report,"
458 ewarn "make sure all your Qt4 packages are up-to-date and built with the same"
459 ewarn "configuration."
460 ewarn
461 ewarn "For more information, see http://doc.trolltech.com/4.4/plugins-howto.html"
462 echo
463 }
464
465 # @FUNCTION: skip_qmake_build_patch
466 # @DESCRIPTION:
467 # Don't need to build qmake, as it's already installed from qt-core
468 skip_qmake_build_patch() {
469 # Don't need to build qmake, as it's already installed from qt-core
470 sed -i -e "s:if true:if false:g" "${S}"/configure || die "Sed failed"
471 }
472
473 # @FUNCTION: skip_project_generation_patch
474 # @DESCRIPTION:
475 # Exit the script early by throwing in an exit before all of the .pro files are scanned
476 skip_project_generation_patch() {
477 # Exit the script early by throwing in an exit before all of the .pro files are scanned
478 sed -e "s:echo \"Finding:exit 0\n\necho \"Finding:g" \
479 -i "${S}"/configure || die "Sed failed"
480 }
481
482 # @FUNCTION: symlink_binaries_to_buildtree
483 # @DESCRIPTION:
484 # Symlink generated binaries to buildtree so they can be used during compilation
485 # time
486 symlink_binaries_to_buildtree() {
487 for bin in qmake moc uic rcc; do
488 ln -s ${QTBINDIR}/${bin} "${S}"/bin/ || die "Symlinking ${bin} to ${S}/bin failed."
489 done
490 }
491
492 # @FUNCTION: fix_library_files
493 # @DESCRIPTION:
494 # Fixes the pathes in *.la, *.prl, *.pc, as they are wrong due to sandbox and
495 # moves the *.pc-files into the pkgconfig directory
496 fix_library_files() {
497 for libfile in "${D}"/${QTLIBDIR}/{*.la,*.prl,pkgconfig/*.pc}; do
498 if [[ -e ${libfile} ]]; then
499 sed -i -e "s:${S}/lib:${QTLIBDIR}:g" ${libfile} || die "Sed on ${libfile} failed."
500 fi
501 done
502
503 # pkgconfig files refer to WORKDIR/bin as the moc and uic locations. Fix:
504 for libfile in "${D}"/${QTLIBDIR}/pkgconfig/*.pc; do
505 if [[ -e ${libfile} ]]; then
506 sed -i -e "s:${S}/bin:${QTBINDIR}:g" ${libfile} || die "Sed failed"
507
508 # Move .pc files into the pkgconfig directory
509 dodir ${QTPCDIR}
510 mv ${libfile} "${D}"/${QTPCDIR}/ \
511 || die "Moving ${libfile} to ${D}/${QTPCDIR}/ failed."
512 fi
513 done
514
515 # Don't install an empty directory
516 rmdir "${D}"/${QTLIBDIR}/pkgconfig
517 }
518
519 # @FUNCTION: qt_use
520 # @USAGE: < flag > [ feature ] [ enableval ]
521 # @DESCRIPTION:
522 # This will echo "${enableval}-${feature}" if <flag> is enabled, or
523 # "-no-${feature} if the flag is disabled. If [feature] is not specified <flag>
524 # will be used for that. If [enableval] is not specified, it omits the
525 # assignment-part
526 qt_use() {
527 local flag="${1}"
528 local feature="${1}"
529 local enableval=
530
531 [[ -n ${2} ]] && feature=${2}
532 [[ -n ${3} ]] && enableval="-${3}"
533
534 if use ${flag}; then
535 echo "${enableval}-${feature}"
536 else
537 echo "-no-${feature}"
538 fi
539 }
540
541 # @ECLASS-VARIABLE: QT4_BUILT_WITH_USE_CHECK
542 # @DESCRIPTION:
543 # The contents of $QT4_BUILT_WITH_USE_CHECK gets fed to built_with_use
544 # (eutils.eclass), line per line.
545 #
546 # Example:
547 # @CODE
548 # pkg_setup() {
549 # use qt3support && QT4_BUILT_WITH_USE_CHECK="${QT4_BUILT_WITH_USE_CHECK}
550 # ~x11-libs/qt-gui-${PV} qt3support"
551 # qt4-build_check_use
552 # }
553 # @CODE
554
555 # Run built_with_use on each flag and print appropriate error messages if any
556 # flags are missing
557
558 _qt_built_with_use() {
559 local missing opt pkg flag flags
560
561 if [[ ${1} = "--missing" ]]; then
562 missing="${1} ${2}" && shift 2
563 fi
564 if [[ ${1:0:1} = "-" ]]; then
565 opt=${1} && shift
566 fi
567
568 pkg=${1} && shift
569
570 for flag in "${@}"; do
571 flags="${flags} ${flag}"
572 if ! built_with_use ${missing} ${opt} ${pkg} ${flag}; then
573 flags="${flags}*"
574 else
575 [[ ${opt} = "-o" ]] && return 0
576 fi
577 done
578 if [[ "${flags# }" = "${@}" ]]; then
579 return 0
580 fi
581 if [[ ${opt} = "-o" ]]; then
582 eerror "This package requires '${pkg}' to be built with any of the following USE flags: '$*'."
583 else
584 eerror "This package requires '${pkg}' to be built with the following USE flags: '${flags# }'."
585 fi
586 return 1
587 }
588
589 # @FUNCTION: qt4-build_check_use
590 # @DESCRIPTION:
591 # Check if the listed packages in $QT4_BUILT_WITH_USE_CHECK are built with the
592 # USE flags listed.
593 #
594 # If any of the required USE flags are missing, an eerror will be printed for
595 # each package with missing USE flags.
596 qt4-build_check_use() {
597 local line missing
598 while read line; do
599 [[ -z ${line} ]] && continue
600 if ! _qt_built_with_use ${line}; then
601 missing=true
602 fi
603 done <<< "${QT4_BUILT_WITH_USE_CHECK}"
604 if [[ -n ${missing} ]]; then
605 echo
606 eerror "Flags marked with an * are missing."
607 die "Missing USE flags found"
608 fi
609 }
610
611 # @FUNCTION: qt_mkspecs_dir
612 # @RETURN: the specs-directory w/o path
613 # @DESCRIPTION:
614 # Allows us to define which mkspecs dir we want to use.
615 qt_mkspecs_dir() {
616 # Allows us to define which mkspecs dir we want to use.
617 local spec
618
619 case ${CHOST} in
620 *-freebsd*|*-dragonfly*)
621 spec="freebsd" ;;
622 *-openbsd*)
623 spec="openbsd" ;;
624 *-netbsd*)
625 spec="netbsd" ;;
626 *-darwin*)
627 spec="darwin" ;;
628 *-linux-*|*-linux)
629 spec="linux" ;;
630 *)
631 die "Unknown CHOST, no platform choosen."
632 esac
633
634 CXX=$(tc-getCXX)
635 if [[ ${CXX/g++/} != ${CXX} ]]; then
636 spec="${spec}-g++"
637 elif [[ ${CXX/icpc/} != ${CXX} ]]; then
638 spec="${spec}-icc"
639 else
640 die "Unknown compiler ${CXX}."
641 fi
642
643 echo "${spec}"
644 }
645
646 case ${EAPI:-0} in
647 0|1) EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_postrm pkg_postinst ;;
648 2) EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure src_compile src_install pkg_postrm pkg_postinst ;;
649 esac

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