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* [Buildroot] [PATCH 1/1] package/libbpf: add BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
@ 2021-06-12 14:17 Fabrice Fontaine
  2021-07-13 19:29 ` Arnout Vandecappelle
  0 siblings, 1 reply; 2+ messages in thread
From: Fabrice Fontaine @ 2021-06-12 14:17 UTC (permalink / raw)
  To: buildroot

libbpf does not support all architectures, for example ARM is not
supported resulting in the following build failure:

bpf.c:53:4: error: #error __NR_bpf not defined. libbpf does not support your arch.
 #  error __NR_bpf not defined. libbpf does not support your arch.
    ^

Fixes:
 - http://autobuild.buildroot.org/results/288d54100a2e736195a3a04a9e2e035d02ea5c16

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 package/libbpf/Config.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/package/libbpf/Config.in b/package/libbpf/Config.in
index c5b24c5eb5..9eadf0254a 100644
--- a/package/libbpf/Config.in
+++ b/package/libbpf/Config.in
@@ -1,5 +1,15 @@
+config BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
+	bool
+	# see src/bpf.c
+	default y if BR2_arc
+	default y if BR2_aarch64 || BR2_aarch64_be
+	default y if BR2_i386 || BR2_x86_64
+	default y if BR2_sparc || BR2_sparc64
+	default y if BR2_s390x
+
 config BR2_PACKAGE_LIBBPF
 	bool "libbpf"
+	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
 	depends on BR2_USE_WCHAR # elfutils
 	depends on !BR2_STATIC_LIBS # elfutils
 	depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
@@ -15,6 +25,7 @@ config BR2_PACKAGE_LIBBPF
 	  https://github.com/libbpf/libbpf
 
 comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads"
+	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
 	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
 		|| !BR2_TOOLCHAIN_HAS_THREADS \
 		|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
-- 
2.30.2

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [Buildroot] [PATCH 1/1] package/libbpf: add BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
  2021-06-12 14:17 [Buildroot] [PATCH 1/1] package/libbpf: add BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS Fabrice Fontaine
@ 2021-07-13 19:29 ` Arnout Vandecappelle
  0 siblings, 0 replies; 2+ messages in thread
From: Arnout Vandecappelle @ 2021-07-13 19:29 UTC (permalink / raw)
  To: buildroot



On 12/06/2021 16:17, Fabrice Fontaine wrote:
> libbpf does not support all architectures, for example ARM is not
> supported resulting in the following build failure:
> 
> bpf.c:53:4: error: #error __NR_bpf not defined. libbpf does not support your arch.
>  #  error __NR_bpf not defined. libbpf does not support your arch.
>     ^
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/288d54100a2e736195a3a04a9e2e035d02ea5c16
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

 Applied to master, thanks.

 Regards,
 Arnout

> ---
>  package/libbpf/Config.in | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/package/libbpf/Config.in b/package/libbpf/Config.in
> index c5b24c5eb5..9eadf0254a 100644
> --- a/package/libbpf/Config.in
> +++ b/package/libbpf/Config.in
> @@ -1,5 +1,15 @@
> +config BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
> +	bool
> +	# see src/bpf.c
> +	default y if BR2_arc
> +	default y if BR2_aarch64 || BR2_aarch64_be
> +	default y if BR2_i386 || BR2_x86_64
> +	default y if BR2_sparc || BR2_sparc64
> +	default y if BR2_s390x
> +
>  config BR2_PACKAGE_LIBBPF
>  	bool "libbpf"
> +	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
>  	depends on BR2_USE_WCHAR # elfutils
>  	depends on !BR2_STATIC_LIBS # elfutils
>  	depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
> @@ -15,6 +25,7 @@ config BR2_PACKAGE_LIBBPF
>  	  https://github.com/libbpf/libbpf
>  
>  comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads"
> +	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
>  	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
>  		|| !BR2_TOOLCHAIN_HAS_THREADS \
>  		|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-06-12 14:17 [Buildroot] [PATCH 1/1] package/libbpf: add BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS Fabrice Fontaine
2021-07-13 19:29 ` Arnout Vandecappelle

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