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Improve handling of 'all' architecture recipes and their interaction with sstate

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The existing PACKAGE_ARCH = "all" mechanism of sharing packages is problematic
with sstate since there are a variety of variables which have target specific
values and the sstate package therefore correctly changes signature depending
on the MACHINE setting.

This patch creates a new "allarch" class which sets:

PACKAGE_ARCH = "all"

(as per the existing convention)

INHIBIT_DEFAULT_DEPS = "1"

(since its not target specific and therefore can't depend on the cross
compiler or target libc)

TARGET_ARCH = "all"
TARGET_OS = "linux"
TARGET_CC_ARCH = "none"

(since these variables shouldn't change between the different packages and
target compiler flags shouldn't be getting used)

PACKAGE_EXTRA_ARCHS = ""

(since we shouldn't be depending on any architecture specific package architectures)

Not all PACKAGE_ARCH = "all" recipes can use this class since some run configure
checks on the compiler. This means they have target specific components and therefore
the "all" classification is incorrect.

(From OE-Core rev: 26e5e5feb695864b11e47e24017e254c28f14494)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2011-05-18 00:03:02 +01:00
parent c3a7382c9a
commit 52295fa3de
13 changed files with 47 additions and 25 deletions
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meta/classes/siteinfo.bbclass
+1
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@@ -19,6 +19,7 @@ def get_siteinfo_list(d):
target = bb.data.getVar('HOST_ARCH', d, 1) + "-" + bb.data.getVar('HOST_OS', d, 1)
targetinfo = {\
"all-linux": "",\
"armeb-linux": "endian-big bit-32 common-glibc arm-common",\
"armeb-linux-gnueabi": "endian-big bit-32 common-glibc arm-common armeb-linux",\
"armeb-linux-uclibc": "endian-big bit-32 common-uclibc arm-common",\