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Revision 1.36 - (show annotations) (download)
Fri May 29 14:48:00 2009 UTC (5 years, 3 months ago) by hwoarang
Branch: MAIN
Changes since 1.35: +31 -2 lines
Make qt-modules be on the same version. Thanks to Alex 'wired' Alexander

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 1.35 2009/05/23 01:08:26 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 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 [[ $EAPI != 2 ]]; then
163 qt4-build_src_prepare
164 fi
165 }
166
167
168 # @FUNCTION: qt4-build_src_prepare
169 # @DESCRIPTION:
170 # Prepare the sources before the configure phase. Strip CFLAGS if necessary, and fix
171 # source files in order to respect CFLAGS/CXXFLAGS/LDFLAGS specified on /etc/make.conf.
172 qt4-build_src_prepare() {
173 cd "${S}"
174
175 if [[ ${PN} != qt-core ]]; then
176 skip_qmake_build_patch
177 skip_project_generation_patch
178 symlink_binaries_to_buildtree
179 fi
180
181 if ! use custom-cxxflags;then
182 # Don't let the user go too overboard with flags.
183 strip-flags
184 replace-flags -O3 -O2
185 fi
186
187 # Bug 178652
188 if [[ "$(gcc-major-version)" == "3" ]] && use amd64; then
189 ewarn "Appending -fno-gcse to CFLAGS/CXXFLAGS"
190 append-flags -fno-gcse
191 fi
192
193 # Unsupported old gcc versions - hardened needs this :(
194 if [[ $(gcc-major-version) -lt "4" ]] ; then
195 ewarn "Appending -fno-stack-protector to CXXFLAGS"
196 append-cxxflags -fno-stack-protector
197 # Bug 253127
198 sed -e "/^QMAKE_CFLAGS\t/ s:$: -fno-stack-protector-all:" \
199 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
200 fi
201
202 # Bug 172219
203 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
204 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
205 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
206 -e "s:X11R6/::" \
207 -i "${S}"/mkspecs/$(qt_mkspecs_dir)/qmake.conf || die "sed ${S}/mkspecs/$(qt_mkspecs_dir)/qmake.conf failed"
208
209 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
210 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
211 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
212 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
213
214 }
215
216 # @FUNCTION: qt4-build_src_configure
217 # @DESCRIPTION:
218 # Default configure phase
219 qt4-build_src_configure() {
220
221 myconf="$(standard_configure_options) ${myconf}"
222
223 echo ./configure ${myconf}
224 ./configure ${myconf} || die "./configure failed"
225 }
226
227 # @FUNCTION: qt4-build_src_compile
228 # @DESCRIPTION: Actual compile phase
229 qt4-build_src_compile() {
230 # Be backwards compatible for now
231 if [[ $EAPI != 2 ]]; then
232 qt4-build_src_configure
233 fi
234
235 build_directories "${QT4_TARGET_DIRECTORIES}"
236 }
237
238 # @FUNCTION: qt4-build_src_install
239 # @DESCRIPTION:
240 # Perform the actual installation including some library fixes.
241 qt4-build_src_install() {
242 install_directories "${QT4_TARGET_DIRECTORIES}"
243 install_qconfigs
244 fix_library_files
245 }
246
247 # @FUNCTION: standard_configure_options
248 # @DESCRIPTION:
249 # Sets up some standard configure options, like libdir (if necessary), whether
250 # debug info is wanted or not.
251 standard_configure_options() {
252 local myconf=""
253
254 [[ $(get_libdir) != "lib" ]] && myconf="${myconf} -L/usr/$(get_libdir)"
255
256 # Disable visibility explicitly if gcc version isn't 4
257 if [[ "$(gcc-major-version)" -lt "4" ]]; then
258 myconf="${myconf} -no-reduce-exports"
259 fi
260
261 # precompiled headers doesn't work on hardened, where the flag is masked.
262 if use pch; then
263 myconf="${myconf} -pch"
264 else
265 myconf="${myconf} -no-pch"
266 fi
267
268 if use debug; then
269 myconf="${myconf} -debug -no-separate-debug-info"
270 else
271 myconf="${myconf} -release -no-separate-debug-info"
272 fi
273
274 # ARCH is set on Gentoo. Qt now falls back to generic on an unsupported
275 # $(tc-arch). Therefore we convert it to supported values.
276 case "$(tc-arch)" in
277 amd64) myconf="${myconf} -arch x86_64" ;;
278 ppc|ppc64) myconf="${myconf} -arch powerpc" ;;
279 x86|x86-*) myconf="${myconf} -arch i386" ;;
280 alpha|arm|ia64|mips|s390|sparc) myconf="${myconf} -arch $(tc-arch)" ;;
281 hppa|sh) myconf="${myconf} -arch generic" ;;
282 *) die "$(tc-arch) is unsupported by this eclass. Please file a bug." ;;
283 esac
284
285 # Bug 261412 Qt configure detects archs by uname
286 case "$(tc-arch)" in
287 ppc) myconf="${myconf} -platform linux-g++-32";;
288 esac
289
290 myconf="${myconf} -stl -verbose -largefile -confirm-license -no-rpath
291 -prefix ${QTPREFIXDIR} -bindir ${QTBINDIR} -libdir ${QTLIBDIR}
292 -datadir ${QTDATADIR} -docdir ${QTDOCDIR} -headerdir ${QTHEADERDIR}
293 -plugindir ${QTPLUGINDIR} -sysconfdir ${QTSYSCONFDIR}
294 -translationdir ${QTTRANSDIR} -examplesdir ${QTEXAMPLESDIR}
295 -demosdir ${QTDEMOSDIR} -silent -fast
296 $([[ ${PN} == qt-xmlpatterns ]] || echo -no-exceptions)
297 -reduce-relocations -nomake examples -nomake demos"
298
299 # Make eclass 4.5.{1,2} ready
300 case "${MY_PV}" in
301 4.5.1 | 4.5.2)
302 myconf="${myconf} -opensource"
303 ;;
304 esac
305
306 echo "${myconf}"
307 }
308
309 # @FUNCTION: build_directories
310 # @USAGE: < directories >
311 # @DESCRIPTION:
312 # Compiles the code in $QT4_TARGET_DIRECTORIES
313 build_directories() {
314 local dirs="$@"
315 for x in ${dirs}; do
316 cd "${S}"/${x}
317 "${S}"/bin/qmake "LIBS+=-L${QTLIBDIR}" "CONFIG+=nostrip" || die "qmake failed"
318 emake || die "emake failed"
319 done
320 }
321
322 # @FUNCTION: install_directories
323 # @USAGE: < directories >
324 # @DESCRIPTION:
325 # run emake install in the given directories, which are separated by spaces
326 install_directories() {
327 local dirs="$@"
328 for x in ${dirs}; do
329 pushd "${S}"/${x} >/dev/null || die "Can't pushd ${S}/${x}"
330 emake INSTALL_ROOT="${D}" install || die "emake install failed"
331 popd >/dev/null || die "Can't popd from ${S}/${x}"
332 done
333 }
334
335 # @ECLASS-VARIABLE: QCONFIG_ADD
336 # @DESCRIPTION:
337 # List options that need to be added to QT_CONFIG in qconfig.pri
338 QCONFIG_ADD="${QCONFIG_ADD:-}"
339
340 # @ECLASS-VARIABLE: QCONFIG_REMOVE
341 # @DESCRIPTION:
342 # List options that need to be removed from QT_CONFIG in qconfig.pri
343 QCONFIG_REMOVE="${QCONFIG_REMOVE:-}"
344
345 # @ECLASS-VARIABLE: QCONFIG_DEFINE
346 # @DESCRIPTION:
347 # List variables that should be defined at the top of QtCore/qconfig.h
348 QCONFIG_DEFINE="${QCONFIG_DEFINE:-}"
349
350 # @FUNCTION: install_qconfigs
351 # @DESCRIPTION: Install gentoo-specific mkspecs configurations
352 install_qconfigs() {
353 local x
354 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} ]]; then
355 for x in QCONFIG_ADD QCONFIG_REMOVE; do
356 [[ -n ${!x} ]] && echo ${x}=${!x} >> "${T}"/${PN}-qconfig.pri
357 done
358 insinto ${QTDATADIR}/mkspecs/gentoo
359 doins "${T}"/${PN}-qconfig.pri || die "installing ${PN}-qconfig.pri failed"
360 fi
361
362 if [[ -n ${QCONFIG_DEFINE} ]]; then
363 for x in ${QCONFIG_DEFINE}; do
364 echo "#define ${x}" >> "${T}"/gentoo-${PN}-qconfig.h
365 done
366 insinto ${QTHEADERDIR}/Gentoo
367 doins "${T}"/gentoo-${PN}-qconfig.h || die "installing ${PN}-qconfig.h failed"
368 fi
369 }
370
371 # @FUNCTION: generate_qconfigs
372 # @DESCRIPTION: Generates gentoo-specific configurations
373 generate_qconfigs() {
374 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} || -n ${QCONFIG_DEFINE} || ${CATEGORY}/${PN} == x11-libs/qt-core ]]; then
375 local x qconfig_add qconfig_remove qconfig_new
376 for x in "${ROOT}${QTDATADIR}"/mkspecs/gentoo/*-qconfig.pri; do
377 [[ -f ${x} ]] || continue
378 qconfig_add="${qconfig_add} $(sed -n 's/^QCONFIG_ADD=//p' "${x}")"
379 qconfig_remove="${qconfig_remove} $(sed -n 's/^QCONFIG_REMOVE=//p' "${x}")"
380 done
381
382 # these error checks do not use die because dying in pkg_post{inst,rm}
383 # just makes things worse.
384 if [[ -e "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri ]]; then
385 # start with the qconfig.pri that qt-core installed
386 if ! cp "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri \
387 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
388 eerror "cp qconfig failed."
389 return 1
390 fi
391
392 # generate list of QT_CONFIG entries from the existing list
393 # including qconfig_add and excluding qconfig_remove
394 for x in $(sed -n 's/^QT_CONFIG +=//p' \
395 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri) ${qconfig_add}; do
396 hasq ${x} ${qconfig_remove} || qconfig_new="${qconfig_new} ${x}"
397 done
398
399 # replace the existing QT_CONFIG list with qconfig_new
400 if ! sed -i -e "s/QT_CONFIG +=.*/QT_CONFIG += ${qconfig_new}/" \
401 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
402 eerror "Sed for QT_CONFIG failed"
403 return 1
404 fi
405
406 # create Gentoo/qconfig.h
407 if [[ ! -e ${ROOT}${QTHEADERDIR}/Gentoo ]]; then
408 if ! mkdir -p "${ROOT}${QTHEADERDIR}"/Gentoo; then
409 eerror "mkdir ${QTHEADERDIR}/Gentoo failed"
410 return 1
411 fi
412 fi
413 : > "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
414 for x in "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-*-qconfig.h; do
415 [[ -f ${x} ]] || continue
416 cat "${x}" >> "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
417 done
418 else
419 rm -f "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri
420 rm -f "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
421 rmdir "${ROOT}${QTDATADIR}"/mkspecs \
422 "${ROOT}${QTDATADIR}" \
423 "${ROOT}${QTHEADERDIR}"/Gentoo \
424 "${ROOT}${QTHEADERDIR}" 2>/dev/null
425 fi
426 fi
427 }
428
429 # @FUNCTION: qt4-build_pkg_postrm
430 # @DESCRIPTION: Generate configurations when the package is completely removed
431 qt4-build_pkg_postrm() {
432 generate_qconfigs
433 }
434
435 # @FUNCTION: qt4-build_pkg_postinst
436 # @DESCRIPTION: Generate configuration, plus throws a message about possible
437 # breakages and proposed solutions.
438 qt4-build_pkg_postinst() {
439 generate_qconfigs
440 echo
441 ewarn "After a rebuild or upgrade of Qt, it can happen that Qt plugins (such as Qt"
442 ewarn "and KDE styles and widgets) can no longer be loaded. In this situation you"
443 ewarn "should recompile the packages providing these plugins. Also, make sure you"
444 ewarn "compile the Qt packages, and the packages that depend on it, with the same"
445 ewarn "GCC version and the same USE flag settings (especially the debug flag)."
446 ewarn
447 ewarn "Packages that typically need to be recompiled are kdelibs from KDE4, any"
448 ewarn "additional KDE4/Qt4 styles, qscintilla and PyQt4. Before filing a bug report,"
449 ewarn "make sure all your Qt4 packages are up-to-date and built with the same"
450 ewarn "configuration."
451 ewarn
452 ewarn "For more information, see http://doc.trolltech.com/4.4/plugins-howto.html"
453 echo
454 }
455
456 # @FUNCTION: skip_qmake_build_patch
457 # @DESCRIPTION:
458 # Don't need to build qmake, as it's already installed from qt-core
459 skip_qmake_build_patch() {
460 # Don't need to build qmake, as it's already installed from qt-core
461 sed -i -e "s:if true:if false:g" "${S}"/configure || die "Sed failed"
462 }
463
464 # @FUNCTION: skip_project_generation_patch
465 # @DESCRIPTION:
466 # Exit the script early by throwing in an exit before all of the .pro files are scanned
467 skip_project_generation_patch() {
468 # Exit the script early by throwing in an exit before all of the .pro files are scanned
469 sed -e "s:echo \"Finding:exit 0\n\necho \"Finding:g" \
470 -i "${S}"/configure || die "Sed failed"
471 }
472
473 # @FUNCTION: symlink_binaries_to_buildtree
474 # @DESCRIPTION:
475 # Symlink generated binaries to buildtree so they can be used during compilation
476 # time
477 symlink_binaries_to_buildtree() {
478 for bin in qmake moc uic rcc; do
479 ln -s ${QTBINDIR}/${bin} "${S}"/bin/ || die "Symlinking ${bin} to ${S}/bin failed."
480 done
481 }
482
483 # @FUNCTION: fix_library_files
484 # @DESCRIPTION:
485 # Fixes the pathes in *.la, *.prl, *.pc, as they are wrong due to sandbox and
486 # moves the *.pc-files into the pkgconfig directory
487 fix_library_files() {
488 for libfile in "${D}"/${QTLIBDIR}/{*.la,*.prl,pkgconfig/*.pc}; do
489 if [[ -e ${libfile} ]]; then
490 sed -i -e "s:${S}/lib:${QTLIBDIR}:g" ${libfile} || die "Sed on ${libfile} failed."
491 fi
492 done
493
494 # pkgconfig files refer to WORKDIR/bin as the moc and uic locations. Fix:
495 for libfile in "${D}"/${QTLIBDIR}/pkgconfig/*.pc; do
496 if [[ -e ${libfile} ]]; then
497 sed -i -e "s:${S}/bin:${QTBINDIR}:g" ${libfile} || die "Sed failed"
498
499 # Move .pc files into the pkgconfig directory
500 dodir ${QTPCDIR}
501 mv ${libfile} "${D}"/${QTPCDIR}/ \
502 || die "Moving ${libfile} to ${D}/${QTPCDIR}/ failed."
503 fi
504 done
505
506 # Don't install an empty directory
507 rmdir "${D}"/${QTLIBDIR}/pkgconfig
508 }
509
510 # @FUNCTION: qt_use
511 # @USAGE: < flag > [ feature ] [ enableval ]
512 # @DESCRIPTION:
513 # This will echo "${enableval}-${feature}" if <flag> is enabled, or
514 # "-no-${feature} if the flag is disabled. If [feature] is not specified <flag>
515 # will be used for that. If [enableval] is not specified, it omits the
516 # assignment-part
517 qt_use() {
518 local flag="${1}"
519 local feature="${1}"
520 local enableval=
521
522 [[ -n ${2} ]] && feature=${2}
523 [[ -n ${3} ]] && enableval="-${3}"
524
525 if use ${flag}; then
526 echo "${enableval}-${feature}"
527 else
528 echo "-no-${feature}"
529 fi
530 }
531
532 # @ECLASS-VARIABLE: QT4_BUILT_WITH_USE_CHECK
533 # @DESCRIPTION:
534 # The contents of $QT4_BUILT_WITH_USE_CHECK gets fed to built_with_use
535 # (eutils.eclass), line per line.
536 #
537 # Example:
538 # @CODE
539 # pkg_setup() {
540 # use qt3support && QT4_BUILT_WITH_USE_CHECK="${QT4_BUILT_WITH_USE_CHECK}
541 # ~x11-libs/qt-gui-${PV} qt3support"
542 # qt4-build_check_use
543 # }
544 # @CODE
545
546 # Run built_with_use on each flag and print appropriate error messages if any
547 # flags are missing
548
549 _qt_built_with_use() {
550 local missing opt pkg flag flags
551
552 if [[ ${1} = "--missing" ]]; then
553 missing="${1} ${2}" && shift 2
554 fi
555 if [[ ${1:0:1} = "-" ]]; then
556 opt=${1} && shift
557 fi
558
559 pkg=${1} && shift
560
561 for flag in "${@}"; do
562 flags="${flags} ${flag}"
563 if ! built_with_use ${missing} ${opt} ${pkg} ${flag}; then
564 flags="${flags}*"
565 else
566 [[ ${opt} = "-o" ]] && return 0
567 fi
568 done
569 if [[ "${flags# }" = "${@}" ]]; then
570 return 0
571 fi
572 if [[ ${opt} = "-o" ]]; then
573 eerror "This package requires '${pkg}' to be built with any of the following USE flags: '$*'."
574 else
575 eerror "This package requires '${pkg}' to be built with the following USE flags: '${flags# }'."
576 fi
577 return 1
578 }
579
580 # @FUNCTION: qt4-build_check_use
581 # @DESCRIPTION:
582 # Check if the listed packages in $QT4_BUILT_WITH_USE_CHECK are built with the
583 # USE flags listed.
584 #
585 # If any of the required USE flags are missing, an eerror will be printed for
586 # each package with missing USE flags.
587 qt4-build_check_use() {
588 local line missing
589 while read line; do
590 [[ -z ${line} ]] && continue
591 if ! _qt_built_with_use ${line}; then
592 missing=true
593 fi
594 done <<< "${QT4_BUILT_WITH_USE_CHECK}"
595 if [[ -n ${missing} ]]; then
596 echo
597 eerror "Flags marked with an * are missing."
598 die "Missing USE flags found"
599 fi
600 }
601
602 # @FUNCTION: qt_mkspecs_dir
603 # @RETURN: the specs-directory w/o path
604 # @DESCRIPTION:
605 # Allows us to define which mkspecs dir we want to use.
606 qt_mkspecs_dir() {
607 # Allows us to define which mkspecs dir we want to use.
608 local spec
609
610 case ${CHOST} in
611 *-freebsd*|*-dragonfly*)
612 spec="freebsd" ;;
613 *-openbsd*)
614 spec="openbsd" ;;
615 *-netbsd*)
616 spec="netbsd" ;;
617 *-darwin*)
618 spec="darwin" ;;
619 *-linux-*|*-linux)
620 spec="linux" ;;
621 *)
622 die "Unknown CHOST, no platform choosen."
623 esac
624
625 CXX=$(tc-getCXX)
626 if [[ ${CXX/g++/} != ${CXX} ]]; then
627 spec="${spec}-g++"
628 elif [[ ${CXX/icpc/} != ${CXX} ]]; then
629 spec="${spec}-icc"
630 else
631 die "Unknown compiler ${CXX}."
632 fi
633
634 echo "${spec}"
635 }
636
637 case ${EAPI:-0} in
638 0|1) EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_postrm pkg_postinst ;;
639 2) EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure src_compile src_install pkg_postrm pkg_postinst ;;
640 esac

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