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netcat-openbsd: depends on linux-headers >= 3.12

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This debian fork of netcat includes the kernel UAPI inet6 header. This
header conflicts with the existing libc inet header and causes
redefinition of structures when they are both included.

The compiler raises the following error:

	/home/buildroot/build/instance-0/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/include/linux/in6.h:30:8: error: redefinition of 'struct in6_addr' struct in6_addr {

>From version 3.12 of linux, the kernel UAPI header has mechanisms in
libc-compat.h to prevent such situations (see __UAPI_DEF_SOCKADDR_IN6
macros).

Unfortunately the build is broken when toolchains do not satisfy at least
the linux headers condition (>= 3.12).

The package now depends on the toolchain headers at least 3.12.

Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
[Thomas: update Config.in comment about the 3.12 headers dependency.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gaël PORTAY 2017-11-28 10:44:37 -05:00 committed by Thomas Petazzoni
parent b0748bd1ba
commit 9aaec97676
1 changed files with 4 additions and 2 deletions
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6
package/netcat-openbsd/Config.in
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@ -4,6 +4,7 @@ config BR2_PACKAGE_NETCAT_OPENBSD
depends on BR2_TOOLCHAIN_HAS_THREADS
depends on BR2_TOOLCHAIN_USES_GLIBC
depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12
select BR2_PACKAGE_LIBBSD
help
A simple Unix utility which reads and writes data across
@ -20,7 +21,8 @@ config BR2_PACKAGE_NETCAT_OPENBSD
https://packages.debian.org/sid/netcat-openbsd
comment "netcat-openbsd needs a glibc toolchain w/ threads"
comment "netcat-openbsd needs a glibc toolchain w/ threads, headers >= 3.12"
depends on BR2_PACKAGE_LIBBSD_ARCH_SUPPORTS
depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_TOOLCHAIN_USES_GLIBC
depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_TOOLCHAIN_USES_GLIBC || \
!BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12
depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS