linux-libc-headers: Add big warning about antisocial behaviour
I'm getting concerned with the number of people forking this recipe and not understanding what they're doing. I'm therefore proposing adding in a suitable warning to people thinking of copying it. (From OE-Core rev: c27ac156bcaf3193d52f456480947b0cfaef3c72) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -2,6 +2,33 @@ DESCRIPTION = "Sanitized set of kernel headers for the C library's use."
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SECTION = "devel"
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LICENSE = "GPLv2"
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#########################################################################
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#### PLEASE READ
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#########################################################################
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#
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# You're probably looking here thinking you need to create some new copy
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# of linux-libc-headers since you have your own custom kernel. To put
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# this simply, you DO NOT.
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#
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# Why? These headers are used to build the libc. If you customise the
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# headers you are customising the libc and the libc becomes machine
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# specific. Most people do not add custom libc extensions to the kernel
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# and have a machine specific libc.
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#
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# But you have some kernel headers you need for some driver? That is fine
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# but get them from STAGING_KERNEL_DIR where the kernel installs itself.
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# This will make the package using them machine specific but this is much
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# better than having a maching specific C library. This does mean your
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# recipe needs a DEPENDS += "virtual/kernel" but again, that is fine and
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# makes total sense.
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#
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# There can also be a case where your kernel extremely old and you want
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# an older libc ABI for that old kernel. The headers installed by this
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# recipe should still be a standard mainline kernel, not your own custom
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# one.
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#
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# -- RP
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LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
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python __anonymous () {
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