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-rw-r--r--meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch
new file mode 100644
index 0000000000..c336e92548
--- /dev/null
+++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch
@@ -0,0 +1,43 @@
+From 11cc6dbd45f0880beea64cdc514f57484b90bc39 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 20 Feb 2024 18:44:23 -0800
+Subject: [PATCH] rpi: Use malloc instead of variable length arrays
+
+Clang-18+ diagnoses this as error
+
+| ../git/src/ipa/rpi/controller/rpi/alsc.cpp:499:10: error: variable length arrays in C++ are a Clang extension [-Werror,-Wvla-cxx-extension] | 499 | int xLo[X], xHi[X];
+| | ^
+
+Upstream-Status: Submitted [https://lists.libcamera.org/pipermail/libcamera-devel/2024-February/040529.html]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+s
+---
+ src/ipa/rpi/controller/rpi/alsc.cpp | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/src/ipa/rpi/controller/rpi/alsc.cpp b/src/ipa/rpi/controller/rpi/alsc.cpp
+index 8a205c60..a7d42614 100644
+--- a/src/ipa/rpi/controller/rpi/alsc.cpp
++++ b/src/ipa/rpi/controller/rpi/alsc.cpp
+@@ -496,8 +496,8 @@ void resampleCalTable(const Array2D<double> &calTableIn,
+ * Precalculate and cache the x sampling locations and phases to save
+ * recomputing them on every row.
+ */
+- int xLo[X], xHi[X];
+- double xf[X];
++ int *xLo = (int*)malloc(X), *xHi = (int*)malloc(X);
++ double *xf = (double*)malloc(X);
+ double scaleX = cameraMode.sensorWidth /
+ (cameraMode.width * cameraMode.scaleX);
+ double xOff = cameraMode.cropX / (double)cameraMode.sensorWidth;
+@@ -539,6 +539,9 @@ void resampleCalTable(const Array2D<double> &calTableIn,
+ *(out++) = above * (1 - yf) + below * yf;
+ }
+ }
++ free(xf);
++ free(xHi);
++ free(xLo);
+ }
+
+ /* Calculate chrominance statistics (R/G and B/G) for each region. */