package/linux-headers: add comment to safely ignore missing cross-compiler
For some architectures (eg. Arc, Cris, Hexagon, ia64, Parisc, Score and Xtensa), the Linux buildsystem tries to call the cross-compiler when installing the headers. This is a spurious call, since a cross-compiler is not needed at all to install the headers. As some users have reported the issue, just add a comment in linux-headers.mk directing the user to ignore those errors. Reported-by: Noam Camus <noamc@ezchip.com> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -17,6 +17,12 @@ LINUX_HEADERS_SOURCE = linux-$(LINUX_HEADERS_VERSION).tar.xz
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LINUX_HEADERS_INSTALL_STAGING = YES
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# For some architectures (eg. Arc, Cris, Hexagon, ia64, parisc,
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# score and xtensa), the Linux buildsystem tries to call the
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# cross-compiler, although it is not needed at all.
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# This results in seemingly errors like:
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# [...]/scripts/gcc-version.sh: line 26: arc-linux-uclibc-gcc: command not found
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# Those can be safely ignored.
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define LINUX_HEADERS_INSTALL_STAGING_CMDS
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(cd $(@D); \
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$(TARGET_MAKE_ENV) $(MAKE) \
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