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<p> |
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<p> |
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Sometimes two packages cannot be installed in parallel. This is handled by |
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Sometimes two packages cannot be installed in parallel. This is handled by |
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blockers. A blocker is specified as follows: |
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blockers. A softblocker is specified as follows: |
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</p> |
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</p> |
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<codesample lang="ebuild"> |
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<codesample lang="ebuild"> |
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</codesample> |
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</codesample> |
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<p> |
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Note that blockers are usually <e>runtime</e> rather than buildtime. |
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Portage will try to resolve this conflict automatically if possible. |
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Sometimes we need to use a hardblocker to ensure correct emerge order. |
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Those cannot be resolved by Portage and must be taken care of by the user. |
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A hardblocker is specified as follows: |
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</p> |
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<codesample lang="ebuild"> |
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RDEPEND="!!app-misc/foo" |
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</codesample> |
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<p> |
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Hardblockers always take precedence over softblockers and need at least EAPI="2". |
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Also note that blockers are usually <e>runtime</e> rather than buildtime. |
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</p> |
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</p> |
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<p> |
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<p> |
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gtk? ( x11-libs/gtk+:2 ) |
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gtk? ( x11-libs/gtk+:2 ) |
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</codesample> |
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</codesample> |
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<p> |
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To depend on a specific version or version-range within a SLOT we use: |
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</p> |
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<codesample lang="ebuild"> |
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DEPEND="qt3? ( ~x11-libs/qt-3.3.8:3 ) |
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gtk? ( >=x11-libs/gtk+-2.24.9:2 ) |
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</codesample> |
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</body> |
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</body> |
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</section> |
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</section> |
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