[libcamera-devel] [PATCH] libcamera: pipeline: ipu3: Fix compilation on gcc 5 and 6
Niklas Söderlund
niklas.soderlund at ragnatech.se
Fri Mar 27 21:01:42 CET 2020
Hi Laurent,
Thanks for your patch.
On 2020-03-27 21:34:24 +0200, Laurent Pinchart wrote:
> Commit 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue
> buffers to CIO2") introduced usage of the std::queue default constructor
> by using copy-list-initialization from {}. The default constructor was
> explicit in C++11, which was fixed retroactively with a defect report
> (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0935r0.html).
> gcc 5 and 6 are unfortunately affected, requiring explicit usage of the
> constructor.
>
> Fixes: 5e7c5d64a67f ("libcamera: ipu3: Do not unconditionally queue buffers to CIO2")
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> src/libcamera/pipeline/ipu3/ipu3.cpp | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
> index b490a801a9c4..1e114ca7ed10 100644
> --- a/src/libcamera/pipeline/ipu3/ipu3.cpp
> +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
> @@ -1532,7 +1532,8 @@ int CIO2Device::allocateBuffers()
>
> void CIO2Device::freeBuffers()
> {
> - availableBuffers_ = {};
> + /* The default std::queue constructor is explicit with gcc 5 and 6. */
I'm not sure the comment is needed, no biggie. With or without it,
Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
> + availableBuffers_ = std::queue<FrameBuffer *>{};
>
> buffers_.clear();
>
> --
> Regards,
>
> Laurent Pinchart
>
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--
Regards,
Niklas Söderlund
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