2 files changed, 72 insertions, 0 deletions
diff --git a/gnu/packages/patches/freedink-engine-fix-sdl-hints.patch b/gnu/packages/patches/freedink-engine-fix-sdl-hints.patch
new file mode 100644
index 0000000000..ce37ab4870
--- /dev/null
+++ b/gnu/packages/patches/freedink-engine-fix-sdl-hints.patch
@@ -0,0 +1,33 @@
+From 85f8dda6de28ef86e58f26c8aa863a26524f6ce0 Mon Sep 17 00:00:00 2001
+From: Jesse Gibbons <[email protected]>
+Date: Sun, 9 Feb 2020 21:46:26 -0700
+Subject: [PATCH] Fix mouse/touch event hints for SDL 2.0.10.
+
+This fixes the bug reported at
+<https://lists.gnu.org/archive/html/bug-freedink/2019-08/msg00000.html>.
+
+It should remain backwards compatible with releases of SDL prior to 2.0.10.
+---
+ src/input.cpp | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/input.cpp b/src/input.cpp
+index b5ae21e..153d349 100644
+--- a/src/input.cpp
++++ b/src/input.cpp
+@@ -91,7 +91,12 @@ void input_init(void)
+ 
+   // TODO: don't attempt to simulate mouse events from touch events -
+   // fake mouse events often are de-centered
++#ifdef SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH
+   SDL_SetHint(SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH, "0");
++#elif defined SDL_HINT_MOUSE_TOUCH_EVENTS && defined SDL_HINT_TOUCH_MOUSE_EVENTS
++  SDL_SetHint(SDL_HINT_MOUSE_TOUCH_EVENTS, "0");
++  SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0");
++#endif
+ 
+   /* Touch devices */
+   {
+-- 
+2.25.0
+
diff --git a/gnu/packages/patches/opencv-fix-build-of-grfmt_jpeg2000.cpp.patch b/gnu/packages/patches/opencv-fix-build-of-grfmt_jpeg2000.cpp.patch
new file mode 100644
index 0000000000..8deb60296a
--- /dev/null
+++ b/gnu/packages/patches/opencv-fix-build-of-grfmt_jpeg2000.cpp.patch
@@ -0,0 +1,39 @@
+From: Tobias Geerinckx-Rice <[email protected]>
+Date: Thu, 13 Aug 2020 15:21:30 +0200
+Subject: [PATCH] gnu: opencv: Fix build with Jasper 2.0.19.
+
+Taken verbatim from upstream: <https://github.com/opencv/opencv/issues/17984>.
+
+From f66fc199a20882c546fa31142e9c0f5a8b3cf983 Mon Sep 17 00:00:00 2001
+From: Florian Jung <[email protected]>
+Date: Wed, 29 Jul 2020 18:51:55 +0200
+Subject: [PATCH] Fix build of grfmt_jpeg2000.cpp
+
+libjasper has recently changed `jas_matrix_get` from a macro to an inline function
+(389951d071 in https://github.com/jasper-software/jasper), causing the build to fail.
+---
+ modules/imgcodecs/src/grfmt_jpeg2000.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/modules/imgcodecs/src/grfmt_jpeg2000.cpp b/modules/imgcodecs/src/grfmt_jpeg2000.cpp
+index fe69f80c86f..0f4d28d6f4d 100644
+--- a/modules/imgcodecs/src/grfmt_jpeg2000.cpp
++++ b/modules/imgcodecs/src/grfmt_jpeg2000.cpp
+@@ -377,7 +377,7 @@ bool  Jpeg2KDecoder::readComponent8u( uchar *data, void *_buffer,
+ 
+     for( y = 0; y < yend - ystart; )
+     {
+-        jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
++        jas_seqent_t* pix_row = jas_matrix_getref( buffer, y / ystep, 0 );
+         uchar* dst = data + (y - yoffset) * step - xoffset;
+ 
+         if( xstep == 1 )
+@@ -443,7 +443,7 @@ bool  Jpeg2KDecoder::readComponent16u( unsigned short *data, void *_buffer,
+ 
+     for( y = 0; y < yend - ystart; )
+     {
+-        jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
++        jas_seqent_t* pix_row = jas_matrix_getref( buffer, y / ystep, 0 );
+         ushort* dst = data + (y - yoffset) * step - xoffset;
+ 
+         if( xstep == 1 )