Op 17 apr. 2013, om 15:34 heeft Ross Burton <ross.bur...@intel.com> het
volgende geschreven:
> libpng 1.6.0/1.6.1 emits warnings about function ordering when there isn't a
> problem, which causes Cairo to fail loading images. Take the patch from
> upstream to fix this.
Any chance of 1.6.1 getting into the release to get the NEON filter fixes?
regards,
Koen
>
> Signed-off-by: Ross Burton <ross.bur...@intel.com>
> ---
> .../libpng/libpng/transform.patch | 46 ++++++++++++++++++++
> meta/recipes-multimedia/libpng/libpng_1.6.0.bb | 2 +-
> 2 files changed, 47 insertions(+), 1 deletion(-)
> create mode 100644 meta/recipes-multimedia/libpng/libpng/transform.patch
>
> diff --git a/meta/recipes-multimedia/libpng/libpng/transform.patch
> b/meta/recipes-multimedia/libpng/libpng/transform.patch
> new file mode 100644
> index 0000000..369a2c0
> --- /dev/null
> +++ b/meta/recipes-multimedia/libpng/libpng/transform.patch
> @@ -0,0 +1,46 @@
> +Corrected the test on user transform changes on read. It was in the png_set
> of
> +the transform function, but that doesn't matter unless the transform function
> +changes the rowbuf size, and that is only valid if transform_info is called.
> +
> +Upstream-Status: Backport (will be in 1.6.2)
> + - b44cd59ad9747069b90c6ff0f76558157a61e26a
> + - a8715cabd11354da9650dff7c0770686a217b550
> +Signed-off-by: Ross Burton <ross.bur...@intel.com>
> +
> +
> +diff --git a/pngrtran.c b/pngrtran.c
> +index 626f3b0..4485e40 100644
> +--- a/pngrtran.c
> ++++ b/pngrtran.c
> +@@ -1056,9 +1056,6 @@ png_set_read_user_transform_fn(png_structrp png_ptr,
> png_user_transform_ptr
> + {
> + png_debug(1, "in png_set_read_user_transform_fn");
> +
> +- if (!png_rtran_ok(png_ptr, 0))
> +- return;
> +-
> + #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
> + png_ptr->transformations |= PNG_USER_TRANSFORM;
> + png_ptr->read_user_transform_fn = read_user_transform_fn;
> +diff --git a/pngtrans.c b/pngtrans.c
> +index b532172..f822324 100644
> +--- a/pngtrans.c
> ++++ b/pngtrans.c
> +@@ -782,6 +782,17 @@ png_set_user_transform_info(png_structrp png_ptr,
> png_voidp
> +
> + if (png_ptr == NULL)
> + return;
> ++
> ++#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
> ++ if ((png_ptr->mode & PNG_IS_READ_STRUCT) != 0 &&
> ++ (png_ptr->flags & PNG_FLAG_ROW_INIT) != 0)
> ++ {
> ++ png_app_error(png_ptr,
> ++ "info change after png_start_read_image or
> png_read_update_info");
> ++ return;
> ++ }
> ++#endif
> ++
> + png_ptr->user_transform_ptr = user_transform_ptr;
> + png_ptr->user_transform_depth = (png_byte)user_transform_depth;
> + png_ptr->user_transform_channels = (png_byte)user_transform_channels;
> diff --git a/meta/recipes-multimedia/libpng/libpng_1.6.0.bb
> b/meta/recipes-multimedia/libpng/libpng_1.6.0.bb
> index 951e34a..2353e8d 100644
> --- a/meta/recipes-multimedia/libpng/libpng_1.6.0.bb
> +++ b/meta/recipes-multimedia/libpng/libpng_1.6.0.bb
> @@ -10,7 +10,7 @@ PR = "r0"
> LIBV = "16"
>
> SRC_URI =
> "${SOURCEFORGE_MIRROR}/project/libpng/libpng${LIBV}/${PV}/libpng-${PV}.tar.xz
> \
> - "
> + file://transform.patch"
>
> SRC_URI[md5sum] = "3ee623b9a4d33bda7310a5124080b14d"
> SRC_URI[sha256sum] =
> "5e13c31321083b03956b5ff298bacffab7a7ad35c34c122acef314593944b97b"
> --
> 1.7.10.4
>
>
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