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On 8/25/06, fei huang <daniel.huangfei@×××××.com> wrote: |
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> wonder why gentoo does not support debug flag on ALL packages, but just to a |
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> small range of ebuilds? |
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> any good reason for that .? don't know. |
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The debug use flag is normally (and IMO should only be) used for |
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optional debugging/logging systems that can be built-in to packages, |
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not for debug symbols like you get with CFLAGS=-g. It sometimes also |
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adds -g, but it is really more for the optional parts of packages that |
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can be included regardless of the CFLAGS. |
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To illustrate my point, USE=debug has the following effects on: |
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* app-emulation/wine: enables the use of the WINE_DEBUG environment |
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variable to generate debug output. |
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* media-sound/alsa-driver: adds extra logging about the sound card |
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configuration and inner-workings of alsa to the system logs. |
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-Richard |
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-- |
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