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# Copyright 1999-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/wxwidgets.eclass,v 1.30 2011/06/30 04:14:38 dirtyepic Exp $
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# @ECLASS: wxwidgets.eclass
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# @MAINTAINER:
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# wxwidgets@gentoo.org
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# @BLURB: Manages build configuration for wxGTK-using packages.
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# @DESCRIPTION:
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# The wxGTK libraries come in several different possible configurations
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# (release, debug, ansi, unicode, etc.) most of which can be installed
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# side-by-side. The purpose of this eclass is to provide ebuilds the ability
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# to build against a specific type of profile without interfering with the
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# user-set system configuration.
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#
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# Ebuilds that use wxGTK _must_ inherit this eclass.
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#
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# - Using this eclass -
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#
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# 1. set WX_GTK_VER to a valid wxGTK SLOT
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# 2. inherit wxwidgets
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# 3. add an appropriate DEPEND
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# 4. done
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#
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# @CODE
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# WX_GTK_VER="2.8"
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#
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# inherit wxwidgets
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#
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# DEPEND="x11-libs/wxGTK:2.8[X]"
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# RDEPEND="${DEPEND}"
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# [...]
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# @CODE
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#
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# This will get you the default configuration, which is what you want 99%
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# of the time (in 2.6 the default is "ansi", all other versions default to
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# "unicode").
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#
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# If your package has optional wxGTK support controlled by a USE flag or you
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# need to use the wxBase libraries (USE="-X") then you should not set
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# WX_GTK_VER before inherit and instead refer to the need-wxwidgets function
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# below.
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#
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# The variable WX_CONFIG is exported, containing the absolute path to the
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# wx-config file to use. Most configure scripts use this path if it's set in
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# the environment or accept --with-wx-config="${WX_CONFIG}".
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inherit eutils multilib
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case "${EAPI:-0}" in
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0|1)
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EXPORT_FUNCTIONS pkg_setup
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;;
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*)
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;;
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esac
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# We do this globally so ebuilds can get sane defaults just by inheriting. They
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# can be overridden with need-wxwidgets later if need be.
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# ensure this only runs once
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if [[ -z ${WX_CONFIG} ]]; then
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# and only if WX_GTK_VER is set before inherit
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if [[ -n ${WX_GTK_VER} ]]; then
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if [[ ${WX_GTK_VER} == 2.6 ]]; then
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wxchar="ansi"
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else
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wxchar="unicode"
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fi
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for wxtoolkit in gtk2 base; do
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# newer versions don't have a seperate debug profile
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for wxdebug in xxx release- debug-; do
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wxconf="${wxtoolkit}-${wxchar}-${wxdebug/xxx/}${WX_GTK_VER}"
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if [[ -f /usr/$(get_libdir)/wx/config/${wxconf} ]]; then
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# if this is a wxBase install, die in pkg_setup
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[[ ${wxtoolkit} == "base" ]] && WXBASE_DIE=1
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else
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continue
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fi
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WX_CONFIG="/usr/$(get_libdir)/wx/config/${wxconf}"
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WX_ECLASS_CONFIG="${WX_CONFIG}"
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break
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done
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[[ -n ${WX_CONFIG} ]] && break
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done
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[[ -n ${WX_CONFIG} ]] && export WX_CONFIG WX_ECLASS_CONFIG
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fi
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fi
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# @FUNCTION: wxwidgets_pkg_setup
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# @DESCRIPTION:
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#
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# It's possible for wxGTK to be installed with USE="-X", resulting in something
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# called wxBase. There's only ever been a couple packages in the tree that use
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# wxBase so this is probably not what you want. Whenever possible, use EAPI 2
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# USE dependencies(tm) to ensure that wxGTK was built with USE="X". This
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# function is only exported for EAPI 0 or 1 and catches any remaining cases.
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#
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# If you do use wxBase, don't set WX_GTK_VER before inherit. Use
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# need-wxwidgets() instead.
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wxwidgets_pkg_setup() {
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[[ -n $WXBASE_DIE ]] && check_wxuse X
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}
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# @FUNCTION: need-wxwidgets
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# @USAGE: <configuration>
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# @DESCRIPTION:
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#
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# Available configurations are:
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#
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# [2.6] ansi [>=2.8] unicode
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# unicode base-unicode
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# base
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# base-unicode
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#
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# If your package has optional wxGTK support controlled by a USE flag, set
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# WX_GTK_VER inside a conditional rather than before inherit. Some broken
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# configure scripts will force wxGTK on if they find ${WX_CONFIG} set.
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#
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# @CODE
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# src_configure() {
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# if use wxwidgets; then
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# WX_GTK_VER="2.8"
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# if use X; then
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# need-wxwidgets unicode
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# else
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# need-wxwidgets base-unicode
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# fi
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# fi
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# @CODE
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#
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need-wxwidgets() {
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debug-print-function $FUNCNAME $*
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local wxtoolkit wxchar wxdebug wxconf
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if [[ -z ${WX_GTK_VER} ]]; then
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echo
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eerror "WX_GTK_VER must be set before calling $FUNCNAME."
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echo
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die "WX_GTK_VER missing"
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fi
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if [[ ${WX_GTK_VER} != 2.6 && ${WX_GTK_VER} != 2.8 && ${WX_GTK_VER} != 2.9 ]]; then
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echo
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eerror "Invalid WX_GTK_VER: ${WX_GTK_VER} - must be set to a valid wxGTK SLOT."
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echo
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die "Invalid WX_GTK_VER"
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fi
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debug-print "WX_GTK_VER is ${WX_GTK_VER}"
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case $1 in
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ansi)
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debug-print-section ansi
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if [[ ${WX_GTK_VER} == 2.6 ]]; then
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wxchar="ansi"
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else
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wxchar="unicode"
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fi
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check_wxuse X
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;;
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unicode)
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debug-print-section unicode
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check_wxuse X
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[[ ${WX_GTK_VER} == 2.6 ]] && check_wxuse unicode
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wxchar="unicode"
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;;
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base)
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debug-print-section base
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if [[ ${WX_GTK_VER} == 2.6 ]]; then
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wxchar="ansi"
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else
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wxchar="unicode"
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fi
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;;
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base-unicode)
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debug-print-section base-unicode
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[[ ${WX_GTK_VER} == 2.6 ]] && check_wxuse unicode
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wxchar="unicode"
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;;
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# backwards compatibility
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gtk2)
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debug-print-section gtk2
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if [[ ${WX_GTK_VER} == 2.6 ]]; then
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wxchar="ansi"
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else
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wxchar="unicode"
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fi
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check_wxuse X
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;;
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*)
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echo
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eerror "Invalid $FUNCNAME argument: $1"
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echo
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die "Invalid argument"
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;;
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esac
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debug-print "wxchar is ${wxchar}"
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# TODO: remove built_with_use
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# wxBase can be provided by both gtk2 and base installations
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if built_with_use =x11-libs/wxGTK-${WX_GTK_VER}* X; then
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wxtoolkit="gtk2"
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else
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wxtoolkit="base"
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fi
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debug-print "wxtoolkit is ${wxtoolkit}"
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# debug or release?
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if [[ ${WX_GTK_VER} == 2.6 || ${WX_GTK_VER} == 2.8 ]]; then
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if built_with_use =x11-libs/wxGTK-${WX_GTK_VER}* debug; then
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wxdebug="debug-"
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else
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wxdebug="release-"
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fi
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fi
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debug-print "wxdebug is ${wxdebug}"
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# put it all together
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wxconf="${wxtoolkit}-${wxchar}-${wxdebug}${WX_GTK_VER}"
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debug-print "wxconf is ${wxconf}"
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# if this doesn't work, something is seriously screwed
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if [[ ! -f /usr/$(get_libdir)/wx/config/${wxconf} ]]; then
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echo
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eerror "Failed to find configuration ${wxconf}"
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echo
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die "Missing wx-config"
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fi
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debug-print "Found config ${wxconf} - setting WX_CONFIG"
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export WX_CONFIG="/usr/$(get_libdir)/wx/config/${wxconf}"
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debug-print "WX_CONFIG is ${WX_CONFIG}"
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export WX_ECLASS_CONFIG="${WX_CONFIG}"
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echo
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einfo "Requested wxWidgets: ${1} ${WX_GTK_VER}"
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einfo "Using wxWidgets: ${wxconf}"
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echo
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}
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# @FUNCTION: check_wxuse
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# @USAGE: <USE flag>
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# @DESCRIPTION:
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#
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# Provides a consistant way to check if wxGTK was built with a particular USE
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# flag enabled. A better way is EAPI 2 USE dependencies (hint hint).
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check_wxuse() {
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debug-print-function $FUNCNAME $*
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if [[ -z ${WX_GTK_VER} ]]; then
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echo
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eerror "WX_GTK_VER must be set before calling $FUNCNAME."
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echo
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die "WX_GTK_VER missing"
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fi
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# TODO: Remove built_with_use
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ebegin "Checking wxGTK-${WX_GTK_VER} for ${1} support"
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if built_with_use =x11-libs/wxGTK-${WX_GTK_VER}* "${1}"; then
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eend 0
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else
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eend 1
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echo
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eerror "${FUNCNAME} - You have requested functionality that requires ${1} support to"
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eerror "have been built into x11-libs/wxGTK."
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eerror
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eerror "Please re-merge =x11-libs/wxGTK-${WX_GTK_VER}* with the ${1} USE flag enabled."
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die "Missing USE flags."
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fi
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}
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