diff --git a/package/pipewire/0003-fix-linking-with-latomic.patch b/package/pipewire/0003-fix-linking-with-latomic.patch new file mode 100644 index 0000000000..77132173e4 --- /dev/null +++ b/package/pipewire/0003-fix-linking-with-latomic.patch @@ -0,0 +1,108 @@ +From 5068aa54bde4e40d6faa8de43d93216bc3001a3e Mon Sep 17 00:00:00 2001 +From: Fabrice Fontaine +Date: Fri, 21 May 2021 07:47:46 +0200 +Subject: [PATCH] fix linking with -latomic + +Linking with -latomic has been added to pipewire-jack since +https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/b8c58c74d835ee2918f9e391abd65f9e0132bdb4 + +However, this is not the right place to add this dependency, atomic_dep +should be added to pipewire_dep to avoid the following build failure: + +/home/giuliobenetti/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/pipewire/libpipewire-0.3.so.0.326.0.p/filter.c.o: in function `impl_node_process': +filter.c:(.text+0xf28): undefined reference to `__atomic_fetch_add_4' + +Indeed, atomic operation such as __atomic_fetch_add is used in libcamera +as well as in ./spa/plugins/libcamera/libcamera_wrapper.cpp, +./spa/include/spa/utils/ringbuffer.h and ./spa/include/spa/graph/graph.h + +Fixes: + - http://autobuild.buildroot.org/results/b5305e8e7dd1a5e8bfaba72b06251056ba7d1af1 + +Signed-off-by: Fabrice Fontaine +[Upstream status: +https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/689] +--- + meson.build | 11 +++++------ + pipewire-jack/src/meson.build | 4 ++-- + src/pipewire/meson.build | 4 ++-- + 3 files changed, 9 insertions(+), 10 deletions(-) + +diff --git a/meson.build b/meson.build +index b6b4553b..1308373a 100644 +--- a/meson.build ++++ b/meson.build +@@ -157,7 +157,7 @@ test_8_byte_atomic = ''' + int main(void) + { + int64_t eight; +- __atomic_store_n(&eight, 123, __ATOMIC_SEQ_CST); ++ __atomic_fetch_add(&eight, 123, __ATOMIC_SEQ_CST); + return 0; + } + ''' +@@ -166,16 +166,15 @@ int main(void) + # operations on any reasonable architecture. + if cc.links( + test_8_byte_atomic, +- name : '8-byte __atomic_store_n without libatomic') ++ name : '8-byte __atomic_fetch_add without libatomic') + atomic_dep = dependency('', required: false) + elif cc.links( + test_8_byte_atomic, + dependencies : libatomic, +- name : '8-byte __atomic_store_n with libatomic') ++ name : '8-byte __atomic_fetch_add with libatomic') + atomic_dep = libatomic +-elif get_option('pipewire-jack').enabled() +- # Currently only required for the JACK backend +- error('8-byte atomic operations are required for pipewire-jack') ++else ++ error('8-byte atomic operations are required') + endif + + cdata = configuration_data() +diff --git a/pipewire-jack/src/meson.build b/pipewire-jack/src/meson.build +index 83e340ba..386abc7f 100644 +--- a/pipewire-jack/src/meson.build ++++ b/pipewire-jack/src/meson.build +@@ -42,7 +42,7 @@ pipewire_jack = shared_library('jack', + version : libversion, + c_args : pipewire_jack_c_args, + include_directories : [configinc, jack_inc], +- dependencies : [pipewire_dep, atomic_dep, mathlib], ++ dependencies : [pipewire_dep, mathlib], + install : true, + install_dir : libjack_path, + ) +@@ -53,7 +53,7 @@ pipewire_jackserver = shared_library('jackserver', + version : libversion, + c_args : pipewire_jack_c_args, + include_directories : [configinc, jack_inc], +- dependencies : [pipewire_dep, atomic_dep, mathlib], ++ dependencies : [pipewire_dep, mathlib], + install : true, + install_dir : libjack_path, + ) +diff --git a/src/pipewire/meson.build b/src/pipewire/meson.build +index e80f3633..0fa6643a 100644 +--- a/src/pipewire/meson.build ++++ b/src/pipewire/meson.build +@@ -102,12 +102,12 @@ libpipewire = shared_library(pipewire_name, pipewire_sources, + c_args : libpipewire_c_args, + include_directories : [pipewire_inc, configinc, spa_inc], + install : true, +- dependencies : [dl_lib, mathlib, pthread_lib, libintl_dep, ], ++ dependencies : [dl_lib, mathlib, pthread_lib, libintl_dep, atomic_dep, ], + ) + + pipewire_dep = declare_dependency(link_with : libpipewire, + include_directories : [pipewire_inc, configinc, spa_inc], +- dependencies : [pthread_lib, ], ++ dependencies : [pthread_lib, atomic_dep, ], + ) + + pkgconfig.generate(filebase : 'lib@0@'.format(pipewire_name), +-- +2.30.2 +