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Revision 1.42 - (show annotations) (download)
Mon Jul 13 19:55:30 2009 UTC (4 years, 9 months ago) by hwoarang
Branch: MAIN
Changes since 1.41: +33 -18 lines
Apply patch to support multilib portage.Thanks to Tommy[D]

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 1.41 2009/06/28 15:24:42 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="${IUSE} debug pch"
17 RDEPEND="
18 !<x11-libs/qt-assistant-${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://get.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-${PV} debug"
82 fi
83
84 # Check USE requirements
85 qt4-build_check_use
86 fi
87
88 PATH="${S}/bin:${PATH}"
89 LD_LIBRARY_PATH="${S}/lib:${LD_LIBRARY_PATH}"
90
91 if ! version_is_at_least 4.1 $(gcc-version) ; then
92 ewarn "Using a GCC version lower than 4.1 is not supported!"
93 echo
94 ebeep 3
95 fi
96 }
97
98 # @ECLASS-VARIABLE: QT4_TARGET_DIRECTORIES
99 # @DESCRIPTION:
100 # Arguments for build_target_directories. Takes the directories, in which the
101 # code should be compiled. This is a space-separated list
102
103 # @ECLASS-VARIABLE: QT4_EXTRACT_DIRECTORIES
104 # @DESCRIPTION:
105 # Space separated list including the directories that will be extracted from Qt
106 # tarball
107
108 # @FUNCTION: qt4-build_src_unpack
109 # @DESCRIPTION:
110 # Unpacks the sources
111 qt4-build_src_unpack() {
112 setqtenv
113 local target targets licenses
114 if version_is_at_least 4.5 ${PV} ; then
115 licenses="LICENSE.GPL3 LICENSE.LGPL"
116 else
117 licenses="LICENSE.GPL2 LICENSE.GPL3"
118 fi
119 for target in configure ${licenses} projects.pro \
120 src/{qbase,qt_targets,qt_install}.pri bin config.tests mkspecs qmake \
121 ${QT4_EXTRACT_DIRECTORIES}; do
122 targets="${targets} ${MY_P}/${target}"
123 done
124
125 echo tar xjpf "${DISTDIR}"/${MY_P}.tar.bz2 ${targets}
126 tar xjpf "${DISTDIR}"/${MY_P}.tar.bz2 ${targets}
127
128 case "${PV}" in
129 4.4.?)
130 echo tar xjpf "${DISTDIR}"/${MY_P}-headers.tar.bz2
131 tar xjpf "${DISTDIR}"/${MY_P}-headers.tar.bz2
132 ;;
133 esac
134
135 # Be backwards compatible for now
136 if [[ $EAPI != 2 ]]; then
137 qt4-build_src_prepare
138 fi
139 }
140
141 # @ECLASS-VARIABLE: PATCHES
142 # @DESCRIPTION:
143 # In case you have patches to apply, specify them in PATCHES variable. Make sure
144 # to specify the full path. This variable is necessary for src_prepare phase.
145 # example:
146 # PATCHES="${FILESDIR}"/mypatch.patch
147 # ${FILESDIR}"/mypatch2.patch"
148 #
149
150 # @FUNCTION: qt4-build_src_prepare
151 # @DESCRIPTION:
152 # Prepare the sources before the configure phase. Strip CFLAGS if necessary, and fix
153 # source files in order to respect CFLAGS/CXXFLAGS/LDFLAGS specified on /etc/make.conf.
154 qt4-build_src_prepare() {
155 setqtenv
156 cd "${S}"
157
158 if [[ ${PN} != qt-core ]]; then
159 skip_qmake_build_patch
160 skip_project_generation_patch
161 symlink_binaries_to_buildtree
162 fi
163
164 # Bug 178652
165 if [[ "$(gcc-major-version)" == "3" ]] && use amd64; then
166 ewarn "Appending -fno-gcse to CFLAGS/CXXFLAGS"
167 append-flags -fno-gcse
168 fi
169
170 # Unsupported old gcc versions - hardened needs this :(
171 if [[ $(gcc-major-version) -lt "4" ]] ; then
172 ewarn "Appending -fno-stack-protector to CXXFLAGS"
173 append-cxxflags -fno-stack-protector
174 # Bug 253127
175 sed -e "/^QMAKE_CFLAGS\t/ s:$: -fno-stack-protector-all:" \
176 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
177 fi
178
179 # Bug 172219
180 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
181 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
182 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
183 -e "s:X11R6/::" \
184 -i "${S}"/mkspecs/$(qt_mkspecs_dir)/qmake.conf || die "sed ${S}/mkspecs/$(qt_mkspecs_dir)/qmake.conf failed"
185
186 sed -e "s:QMAKE_CFLAGS_RELEASE.*=.*:QMAKE_CFLAGS_RELEASE=${CFLAGS}:" \
187 -e "s:QMAKE_CXXFLAGS_RELEASE.*=.*:QMAKE_CXXFLAGS_RELEASE=${CXXFLAGS}:" \
188 -e "s:QMAKE_LFLAGS_RELEASE.*=.*:QMAKE_LFLAGS_RELEASE=${LDFLAGS}:" \
189 -i "${S}"/mkspecs/common/g++.conf || die "sed ${S}/mkspecs/common/g++.conf failed"
190
191 base_src_prepare
192 }
193
194 # @FUNCTION: qt4-build_src_configure
195 # @DESCRIPTION:
196 # Default configure phase
197 qt4-build_src_configure() {
198 setqtenv
199 myconf="$(standard_configure_options) ${myconf}"
200
201 echo ./configure ${myconf}
202 ./configure ${myconf} || die "./configure failed"
203 }
204
205 # @FUNCTION: qt4-build_src_compile
206 # @DESCRIPTION: Actual compile phase
207 qt4-build_src_compile() {
208 setqtenv
209 # Be backwards compatible for now
210 if [[ $EAPI != 2 ]]; then
211 qt4-build_src_configure
212 fi
213
214 build_directories "${QT4_TARGET_DIRECTORIES}"
215 }
216
217 # @FUNCTION: qt4-build_src_install
218 # @DESCRIPTION:
219 # Perform the actual installation including some library fixes.
220 qt4-build_src_install() {
221 setqtenv
222 install_directories "${QT4_TARGET_DIRECTORIES}"
223 install_qconfigs
224 fix_library_files
225 }
226
227 # @FUNCTION: setqtenv
228 setqtenv() {
229 # Set up installation directories
230 QTBASEDIR=/usr/$(get_libdir)/qt4
231 QTPREFIXDIR=/usr
232 QTBINDIR=/usr/bin
233 QTLIBDIR=/usr/$(get_libdir)/qt4
234 QMAKE_LIBDIR_QT=${QTLIBDIR}
235 QTPCDIR=/usr/$(get_libdir)/pkgconfig
236 QTDATADIR=/usr/share/qt4
237 QTDOCDIR=/usr/share/doc/qt-${PV}
238 QTHEADERDIR=/usr/include/qt4
239 QTPLUGINDIR=${QTLIBDIR}/plugins
240 QTSYSCONFDIR=/etc/qt4
241 QTTRANSDIR=${QTDATADIR}/translations
242 QTEXAMPLESDIR=${QTDATADIR}/examples
243 QTDEMOSDIR=${QTDATADIR}/demos
244 QT_INSTALL_PREFIX=/usr/$(get_libdir)/qt4
245 PLATFORM=$(qt_mkspecs_dir)
246
247 unset QMAKESPEC
248 }
249
250 # @FUNCTION: standard_configure_options
251 # @DESCRIPTION:
252 # Sets up some standard configure options, like libdir (if necessary), whether
253 # debug info is wanted or not.
254 standard_configure_options() {
255 local myconf=""
256
257 [[ $(get_libdir) != "lib" ]] && myconf="${myconf} -L/usr/$(get_libdir)"
258
259 # Disable visibility explicitly if gcc version isn't 4
260 if [[ "$(gcc-major-version)" -lt "4" ]]; then
261 myconf="${myconf} -no-reduce-exports"
262 fi
263
264 # precompiled headers doesn't work on hardened, where the flag is masked.
265 if use pch; then
266 myconf="${myconf} -pch"
267 else
268 myconf="${myconf} -no-pch"
269 fi
270
271 if use debug; then
272 myconf="${myconf} -debug -no-separate-debug-info"
273 else
274 myconf="${myconf} -release -no-separate-debug-info"
275 fi
276
277 # ARCH is set on Gentoo. Qt now falls back to generic on an unsupported
278 # $(tc-arch). Therefore we convert it to supported values.
279 case "$(tc-arch)" in
280 amd64) myconf="${myconf} -arch x86_64" ;;
281 ppc|ppc64) myconf="${myconf} -arch powerpc" ;;
282 x86|x86-*) myconf="${myconf} -arch i386" ;;
283 alpha|arm|ia64|mips|s390|sparc) myconf="${myconf} -arch $(tc-arch)" ;;
284 hppa|sh) myconf="${myconf} -arch generic" ;;
285 *) die "$(tc-arch) is unsupported by this eclass. Please file a bug." ;;
286 esac
287
288 myconf="${myconf} -platform $(qt_mkspecs_dir) -stl -verbose -largefile -confirm-license -no-rpath
289 -prefix ${QTPREFIXDIR} -bindir ${QTBINDIR} -libdir ${QTLIBDIR}
290 -datadir ${QTDATADIR} -docdir ${QTDOCDIR} -headerdir ${QTHEADERDIR}
291 -plugindir ${QTPLUGINDIR} -sysconfdir ${QTSYSCONFDIR}
292 -translationdir ${QTTRANSDIR} -examplesdir ${QTEXAMPLESDIR}
293 -demosdir ${QTDEMOSDIR} -silent -fast
294 $([[ ${PN} == qt-xmlpatterns ]] || echo -no-exceptions)
295 -reduce-relocations -nomake examples -nomake demos"
296
297 # Make eclass 4.5.{1,2} ready
298 case "${MY_PV}" in
299 4.5.1 | 4.5.2)
300 myconf="${myconf} -opensource"
301 ;;
302 esac
303
304 echo "${myconf}"
305 }
306
307 # @FUNCTION: build_directories
308 # @USAGE: < directories >
309 # @DESCRIPTION:
310 # Compiles the code in $QT4_TARGET_DIRECTORIES
311 build_directories() {
312 local dirs="$@"
313 for x in ${dirs}; do
314 cd "${S}"/${x}
315 sed -i -e "s:\$\$\[QT_INSTALL_LIBS\]:/usr/$(get_libdir)/qt4:g" $(find "${S}" -name '*.pr[io]') "${S}"/mkspecs/common/linux.conf || die
316 "${S}"/bin/qmake "LIBS+=-L${QTLIBDIR}" "CONFIG+=nostrip" || die "qmake failed"
317 emake || die "emake failed"
318 done
319 }
320
321 # @FUNCTION: install_directories
322 # @USAGE: < directories >
323 # @DESCRIPTION:
324 # run emake install in the given directories, which are separated by spaces
325 install_directories() {
326 local dirs="$@"
327 for x in ${dirs}; do
328 pushd "${S}"/${x} >/dev/null || die "Can't pushd ${S}/${x}"
329 emake INSTALL_ROOT="${D}" install || die "emake install failed"
330 popd >/dev/null || die "Can't popd from ${S}/${x}"
331 done
332 }
333
334 # @ECLASS-VARIABLE: QCONFIG_ADD
335 # @DESCRIPTION:
336 # List options that need to be added to QT_CONFIG in qconfig.pri
337 QCONFIG_ADD="${QCONFIG_ADD:-}"
338
339 # @ECLASS-VARIABLE: QCONFIG_REMOVE
340 # @DESCRIPTION:
341 # List options that need to be removed from QT_CONFIG in qconfig.pri
342 QCONFIG_REMOVE="${QCONFIG_REMOVE:-}"
343
344 # @ECLASS-VARIABLE: QCONFIG_DEFINE
345 # @DESCRIPTION:
346 # List variables that should be defined at the top of QtCore/qconfig.h
347 QCONFIG_DEFINE="${QCONFIG_DEFINE:-}"
348
349 # @FUNCTION: install_qconfigs
350 # @DESCRIPTION: Install gentoo-specific mkspecs configurations
351 install_qconfigs() {
352 local x
353 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} ]]; then
354 for x in QCONFIG_ADD QCONFIG_REMOVE; do
355 [[ -n ${!x} ]] && echo ${x}=${!x} >> "${T}"/${PN}-qconfig.pri
356 done
357 insinto ${QTDATADIR}/mkspecs/gentoo
358 doins "${T}"/${PN}-qconfig.pri || die "installing ${PN}-qconfig.pri failed"
359 fi
360
361 if [[ -n ${QCONFIG_DEFINE} ]]; then
362 for x in ${QCONFIG_DEFINE}; do
363 echo "#define ${x}" >> "${T}"/gentoo-${PN}-qconfig.h
364 done
365 insinto ${QTHEADERDIR}/Gentoo
366 doins "${T}"/gentoo-${PN}-qconfig.h || die "installing ${PN}-qconfig.h failed"
367 fi
368 }
369
370 # @FUNCTION: generate_qconfigs
371 # @DESCRIPTION: Generates gentoo-specific configurations
372 generate_qconfigs() {
373 if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} || -n ${QCONFIG_DEFINE} || ${CATEGORY}/${PN} == x11-libs/qt-core ]]; then
374 local x qconfig_add qconfig_remove qconfig_new
375 for x in "${ROOT}${QTDATADIR}"/mkspecs/gentoo/*-qconfig.pri; do
376 [[ -f ${x} ]] || continue
377 qconfig_add="${qconfig_add} $(sed -n 's/^QCONFIG_ADD=//p' "${x}")"
378 qconfig_remove="${qconfig_remove} $(sed -n 's/^QCONFIG_REMOVE=//p' "${x}")"
379 done
380
381 # these error checks do not use die because dying in pkg_post{inst,rm}
382 # just makes things worse.
383 if [[ -e "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri ]]; then
384 # start with the qconfig.pri that qt-core installed
385 if ! cp "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri \
386 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
387 eerror "cp qconfig failed."
388 return 1
389 fi
390
391 # generate list of QT_CONFIG entries from the existing list
392 # including qconfig_add and excluding qconfig_remove
393 for x in $(sed -n 's/^QT_CONFIG +=//p' \
394 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri) ${qconfig_add}; do
395 hasq ${x} ${qconfig_remove} || qconfig_new="${qconfig_new} ${x}"
396 done
397
398 # replace the existing QT_CONFIG list with qconfig_new
399 if ! sed -i -e "s/QT_CONFIG +=.*/QT_CONFIG += ${qconfig_new}/" \
400 "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
401 eerror "Sed for QT_CONFIG failed"
402 return 1
403 fi
404
405 # create Gentoo/qconfig.h
406 if [[ ! -e ${ROOT}${QTHEADERDIR}/Gentoo ]]; then
407 if ! mkdir -p "${ROOT}${QTHEADERDIR}"/Gentoo; then
408 eerror "mkdir ${QTHEADERDIR}/Gentoo failed"
409 return 1
410 fi
411 fi
412 : > "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
413 for x in "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-*-qconfig.h; do
414 [[ -f ${x} ]] || continue
415 cat "${x}" >> "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
416 done
417 else
418 rm -f "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri
419 rm -f "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
420 rmdir "${ROOT}${QTDATADIR}"/mkspecs \
421 "${ROOT}${QTDATADIR}" \
422 "${ROOT}${QTHEADERDIR}"/Gentoo \
423 "${ROOT}${QTHEADERDIR}" 2>/dev/null
424 fi
425 fi
426 }
427
428 # @FUNCTION: qt4-build_pkg_postrm
429 # @DESCRIPTION: Generate configurations when the package is completely removed
430 qt4-build_pkg_postrm() {
431 generate_qconfigs
432 }
433
434 # @FUNCTION: qt4-build_pkg_postinst
435 # @DESCRIPTION: Generate configuration, plus throws a message about possible
436 # breakages and proposed solutions.
437 qt4-build_pkg_postinst() {
438 generate_qconfigs
439 echo
440 ewarn "After a rebuild or upgrade of Qt, it can happen that Qt plugins (such as Qt"
441 ewarn "and KDE styles and widgets) can no longer be loaded. In this situation you"
442 ewarn "should recompile the packages providing these plugins. Also, make sure you"
443 ewarn "compile the Qt packages, and the packages that depend on it, with the same"
444 ewarn "GCC version and the same USE flag settings (especially the debug flag)."
445 ewarn
446 ewarn "Packages that typically need to be recompiled are kdelibs from KDE4, any"
447 ewarn "additional KDE4/Qt4 styles, qscintilla and PyQt4. Before filing a bug report,"
448 ewarn "make sure all your Qt4 packages are up-to-date and built with the same"
449 ewarn "configuration."
450 ewarn
451 ewarn "For more information, see http://doc.trolltech.com/${PV%.*}/plugins-howto.html"
452 echo
453 }
454
455 # @FUNCTION: skip_qmake_build_patch
456 # @DESCRIPTION:
457 # Don't need to build qmake, as it's already installed from qt-core
458 skip_qmake_build_patch() {
459 # Don't need to build qmake, as it's already installed from qt-core
460 sed -i -e "s:if true:if false:g" "${S}"/configure || die "Sed failed"
461 }
462
463 # @FUNCTION: skip_project_generation_patch
464 # @DESCRIPTION:
465 # Exit the script early by throwing in an exit before all of the .pro files are scanned
466 skip_project_generation_patch() {
467 # Exit the script early by throwing in an exit before all of the .pro files are scanned
468 sed -e "s:echo \"Finding:exit 0\n\necho \"Finding:g" \
469 -i "${S}"/configure || die "Sed failed"
470 }
471
472 # @FUNCTION: symlink_binaries_to_buildtree
473 # @DESCRIPTION:
474 # Symlink generated binaries to buildtree so they can be used during compilation
475 # time
476 symlink_binaries_to_buildtree() {
477 for bin in qmake moc uic rcc; do
478 ln -s ${QTBINDIR}/${bin} "${S}"/bin/ || die "Symlinking ${bin} to ${S}/bin failed."
479 done
480 }
481
482 # @FUNCTION: fix_library_files
483 # @DESCRIPTION:
484 # Fixes the pathes in *.la, *.prl, *.pc, as they are wrong due to sandbox and
485 # moves the *.pc-files into the pkgconfig directory
486 fix_library_files() {
487 for libfile in "${D}"/${QTLIBDIR}/{*.la,*.prl,pkgconfig/*.pc}; do
488 if [[ -e ${libfile} ]]; then
489 sed -i -e "s:${S}/lib:${QTLIBDIR}:g" ${libfile} || die "Sed on ${libfile} failed."
490 fi
491 done
492
493 # pkgconfig files refer to WORKDIR/bin as the moc and uic locations. Fix:
494 for libfile in "${D}"/${QTLIBDIR}/pkgconfig/*.pc; do
495 if [[ -e ${libfile} ]]; then
496 sed -i -e "s:${S}/bin:${QTBINDIR}:g" ${libfile} || die "Sed failed"
497
498 # Move .pc files into the pkgconfig directory
499 dodir ${QTPCDIR}
500 mv ${libfile} "${D}"/${QTPCDIR}/ \
501 || die "Moving ${libfile} to ${D}/${QTPCDIR}/ failed."
502 fi
503 done
504
505 # Don't install an empty directory
506 rmdir "${D}"/${QTLIBDIR}/pkgconfig
507 }
508
509 # @FUNCTION: qt_use
510 # @USAGE: < flag > [ feature ] [ enableval ]
511 # @DESCRIPTION:
512 # This will echo "${enableval}-${feature}" if <flag> is enabled, or
513 # "-no-${feature} if the flag is disabled. If [feature] is not specified <flag>
514 # will be used for that. If [enableval] is not specified, it omits the
515 # assignment-part
516 qt_use() {
517 local flag="${1}"
518 local feature="${1}"
519 local enableval=
520
521 [[ -n ${2} ]] && feature=${2}
522 [[ -n ${3} ]] && enableval="-${3}"
523
524 if use ${flag}; then
525 echo "${enableval}-${feature}"
526 else
527 echo "-no-${feature}"
528 fi
529 }
530
531 # @ECLASS-VARIABLE: QT4_BUILT_WITH_USE_CHECK
532 # @DESCRIPTION:
533 # The contents of $QT4_BUILT_WITH_USE_CHECK gets fed to built_with_use
534 # (eutils.eclass), line per line.
535 #
536 # Example:
537 # @CODE
538 # pkg_setup() {
539 # use qt3support && QT4_BUILT_WITH_USE_CHECK="${QT4_BUILT_WITH_USE_CHECK}
540 # ~x11-libs/qt-gui-${PV} qt3support"
541 # qt4-build_check_use
542 # }
543 # @CODE
544
545 # Run built_with_use on each flag and print appropriate error messages if any
546 # flags are missing
547
548 _qt_built_with_use() {
549 local missing opt pkg flag flags
550
551 if [[ ${1} = "--missing" ]]; then
552 missing="${1} ${2}" && shift 2
553 fi
554 if [[ ${1:0:1} = "-" ]]; then
555 opt=${1} && shift
556 fi
557
558 pkg=${1} && shift
559
560 for flag in "${@}"; do
561 flags="${flags} ${flag}"
562 if ! built_with_use ${missing} ${opt} ${pkg} ${flag}; then
563 flags="${flags}*"
564 else
565 [[ ${opt} = "-o" ]] && return 0
566 fi
567 done
568 if [[ "${flags# }" = "${@}" ]]; then
569 return 0
570 fi
571 if [[ ${opt} = "-o" ]]; then
572 eerror "This package requires '${pkg}' to be built with any of the following USE flags: '$*'."
573 else
574 eerror "This package requires '${pkg}' to be built with the following USE flags: '${flags# }'."
575 fi
576 return 1
577 }
578
579 # @FUNCTION: qt4-build_check_use
580 # @DESCRIPTION:
581 # Check if the listed packages in $QT4_BUILT_WITH_USE_CHECK are built with the
582 # USE flags listed.
583 #
584 # If any of the required USE flags are missing, an eerror will be printed for
585 # each package with missing USE flags.
586 qt4-build_check_use() {
587 local line missing
588 while read line; do
589 [[ -z ${line} ]] && continue
590 if ! _qt_built_with_use ${line}; then
591 missing=true
592 fi
593 done <<< "${QT4_BUILT_WITH_USE_CHECK}"
594 if [[ -n ${missing} ]]; then
595 echo
596 eerror "Flags marked with an * are missing."
597 die "Missing USE flags found"
598 fi
599 }
600
601 # @FUNCTION: qt_mkspecs_dir
602 # @RETURN: the specs-directory w/o path
603 # @DESCRIPTION:
604 # Allows us to define which mkspecs dir we want to use.
605 qt_mkspecs_dir() {
606 # Allows us to define which mkspecs dir we want to use.
607 local spec
608
609 case ${CHOST} in
610 *-freebsd*|*-dragonfly*)
611 spec="freebsd" ;;
612 *-openbsd*)
613 spec="openbsd" ;;
614 *-netbsd*)
615 spec="netbsd" ;;
616 *-darwin*)
617 spec="darwin" ;;
618 *-linux-*|*-linux)
619 spec="linux" ;;
620 *)
621 die "Unknown CHOST, no platform choosen."
622 esac
623
624 CXX=$(tc-getCXX)
625 if [[ ${CXX/g++/} != ${CXX} ]]; then
626 spec="${spec}-g++"
627 elif [[ ${CXX/icpc/} != ${CXX} ]]; then
628 spec="${spec}-icc"
629 else
630 die "Unknown compiler ${CXX}."
631 fi
632 if [[ -n "${LIBDIR/lib}" ]]; then
633 spec="${spec}-${LIBDIR/lib}"
634 fi
635
636 echo "${spec}"
637 }
638
639 case ${EAPI:-0} in
640 0|1) EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_postrm pkg_postinst ;;
641 2) EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure src_compile src_install pkg_postrm pkg_postinst ;;
642 esac

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