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At 2004-11-19T14:42:37+0000, Brian Jackson <iggy@g.o> wrote: |
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> > I don't know if you can detect it, but basing a var on another unset var, |
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> > i.e. |
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> > |
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> > #PORTDIR=/usr/portage |
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> > then later in make.conf: |
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> > PKGDIR=${PORTDIR}/packages |
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> > or something similar |
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|
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On Saturday 20 November 2004 07:00, Drake Wyrm wrote: |
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> I understand what you're thinking, but that's a bad example... $PORTDIR |
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> is set to its default of "/usr/portage" before make.conf is parsed. |
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|
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It is set, but the "defaults" are not taken into account when make.conf is |
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parsed. Each file is its own entity. |
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|
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> Your example would set $PKGDIR to "/usr/portage/packages" anyway. |
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|
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# cat /etc/make.globals |egrep "^(PORTDIR|PKGDIR)" |
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PORTDIR=/usr/portage |
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PKGDIR=${PORTDIR}/packages |
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# cat /etc/make.conf |egrep "^(PORTDIR|PKGDIR)" |
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PKGDIR="${PORTDIR}/packages" |
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# emerge info |egrep "^(PORTDIR|PKGDIR)" |
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PKGDIR="/packages" |
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PORTDIR="/usr/portage" |
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PORTDIR_OVERLAY="" |
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|
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> An interesting quirk is found when one changes $PORTDIR without uncommenting |
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> all the variables which use it. For example: |
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> |
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> PORTDIR=/some/where/else |
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> #PKGDIR=${PORTDIR}/packages |
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> |
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> in one's make.conf leaves $PKGDIR set to "/usr/portage/packages". |
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|
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This is correct. |
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Regards, |
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Jason Stubbs |
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-- |
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