[Buildroot] [PATCH 2/2] package/libcamera: fix atomic linking with qcam

Fabrice Fontaine fontaine.fabrice at gmail.com
Thu Jun 3 05:36:44 UTC 2021


Fix build failure with sparc v8 which is raised since commit
bd9b7b092cf34dc065a4b40268c18a9fe319f5e4 due to
https://git.linuxtv.org/libcamera.git/commit/?id=97e8b3a2eb321884fe1e15fb584f41a38cc33d51

Fixes:
 - http://autobuild.buildroot.org/results/d0726b2253f1f3d006e057f3b32c646c4b9b5f7a

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
---
 .../0001-qcam-Add-libatomic-dependency        | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 package/libcamera/0001-qcam-Add-libatomic-dependency

diff --git a/package/libcamera/0001-qcam-Add-libatomic-dependency b/package/libcamera/0001-qcam-Add-libatomic-dependency
new file mode 100644
index 0000000000..72e4b1aee3
--- /dev/null
+++ b/package/libcamera/0001-qcam-Add-libatomic-dependency
@@ -0,0 +1,40 @@
+From 59de56f42a0fda1b8e778fb237b7bce494dc0584 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+Date: Wed, 2 Jun 2021 22:56:49 +0200
+Subject: qcam: Add libatomic dependency
+
+Add libatomic dependency due to std::shared_ptr which is used by qcam
+since its addition in commit 97e8b3a2eb321884fe1e15fb584f41a38cc33d51:
+https://en.cppreference.com/w/cpp/memory/shared_ptr.
+
+This will avoid the following build failure:
+
+/srv/storage/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/9.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: src/qcam/qcam.p/main_window.cpp.o: undefined reference to symbol '__atomic_fetch_add_4@@LIBATOMIC_1.0'
+
+Fixes:
+ - http://autobuild.buildroot.org/results/d0726b2253f1f3d006e057f3b32c646c4b9b5f7a
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
+Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
+[Retrieved from:
+https://git.linuxtv.org/libcamera.git/commit/?id=59de56f42a0fda1b8e778fb237b7bce494dc0584]
+---
+ src/qcam/meson.build | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/qcam/meson.build b/src/qcam/meson.build
+index acde7682..fad4cc95 100644
+--- a/src/qcam/meson.build
++++ b/src/qcam/meson.build
+@@ -34,6 +34,7 @@ qcam_resources = files([
+ ])
+ 
+ qcam_deps = [
++    libatomic,
+     libcamera_dep,
+     qt5_dep,
+ ]
+-- 
+cgit v1.2.1
+
-- 
2.30.2




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