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package/libcap: needs headers >= 3.0

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libcap requires XATTR_NAME_CAPS, which was introduced in Linux 2.6.24.

However, we have some toolchains, liek the CodeSourcery PowerPC 2011.03,
that is missing those defines, even though it uses headers from Linux
2.6.38.

Since there is no perfect way to avoid the situation, just require
headers >= 3.0 to build libcap.

Propagate the new dependency to packages that select libcap.

Fixes a lot of build failures, of which:
    http://autobuild.buildroot.net/results/e90/e909ca48ad2d1c85b19258f65e0c89a2813ac45e/
    http://autobuild.buildroot.net/results/23a/23aac9bb1cc48e5974bcf50256a16c67318f9ba2/
    http://autobuild.buildroot.net/results/597/597da58cb2fccb92d7883802c60b31264cacad08/
    http://autobuild.buildroot.net/results/538/538b23417c68f6c8c0c8c92dfc0e8ed314bac01b/
    ...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Cc: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Yann E. MORIN
2014-11-16 12:04:47 +01:00
committed by Peter Korsgaard
parent 9ae6c0a7b6
commit e7930b65c0
4 changed files with 15 additions and 6 deletions
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4
package/libcap/Config.in
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@@ -1,5 +1,6 @@
config BR2_PACKAGE_LIBCAP
bool "libcap"
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 # XATTR_NAME_CAPS
help
This library implements the user-space interfaces to the
POSIX 1003.1e capabilities available in Linux kernels. These
@@ -22,3 +23,6 @@ config BR2_PACKAGE_LIBCAP_TOOLS
CONFIG_EXT2_FS_XATTR and CONFIG_EXT2_FS_SECURITY for ext2).
endif
comment "libcap needs a toolchain w/ headers >= 3.0"
depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0