[Buildroot] [PATCH] package/bayer2rgb-neon: fix build failure with musl libc

[Giulio Benetti]

Il 03/04/2019 16:42, Giulio Benetti ha scritto:
> Musl libc doesn't provide ssize_t type through <stdlib.h>, need to
> directly include <unistd.h>.
> 
> Add patch to include <unistd.h> in main header included in every .c/.cc
> file.
> 
> Fixes:
> http://autobuild.buildroot.net/results/2e9/2e99d0066fadb0802dd0d898215b2f6867603d69/
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
> ---
>   .../0001-bayer2rgb.h-add-missing-header.patch | 36 +++++++++++++++++++
>   1 file changed, 36 insertions(+)
>   create mode 100644 package/bayer2rgb-neon/0001-bayer2rgb.h-add-missing-header.patch
> 
> diff --git a/package/bayer2rgb-neon/0001-bayer2rgb.h-add-missing-header.patch b/package/bayer2rgb-neon/0001-bayer2rgb.h-add-missing-header.patch
> new file mode 100644
> index 0000000000..65302f3baf
> --- /dev/null
> +++ b/package/bayer2rgb-neon/0001-bayer2rgb.h-add-missing-header.patch
> @@ -0,0 +1,36 @@
> +From 98e22511b0b134626b4ae38089ec1725100349de Mon Sep 17 00:00:00 2001
> +From: Giulio Benetti <giulio.benetti at micronovasrl.com>
> +Date: Wed, 3 Apr 2019 16:24:16 +0200
> +Subject: [PATCH] bayer2rgb.h: add missing header
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +The ssize_t type requires the unistd.h header. This fixes build with
> +musl libc:
> +
> +src/convert-dumb.cc:229:2: error: ‘ssize_t’ was not declared in this
> +scope
> +  ssize_t   stride;
> +  ^
> +
> +Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
> +---
> + src/bayer2rgb.h | 1 +
> + 1 file changed, 1 insertion(+)
> +
> +diff --git a/src/bayer2rgb.h b/src/bayer2rgb.h
> +index 3c96209..5337dbd 100644
> +--- a/src/bayer2rgb.h
> ++++ b/src/bayer2rgb.h
> +@@ -19,6 +19,7 @@
> +
> + #include <stdlib.h>
> + #include <stdint.h>
> ++#include <unistd.h>
> +
> + #ifdef __cplusplus
> + extern "C" {
> +--
> +2.17.1
> +
> 

I've directly contacted the maintainers/constributors to upstream using 
git log e-mails since I couldn't find any other way.

Added them in Cc.

Best regards
-- 
Giulio Benetti
CTO

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