initial buildroot for linux 5.15

package/jack2/Config.in

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+config BR2_PACKAGE_JACK2
+	bool "jack2"
+	depends on BR2_TOOLCHAIN_HAS_THREADS # alsa-lib
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	select BR2_PACKAGE_LIBSAMPLERATE
+	select BR2_PACKAGE_LIBSNDFILE
+	select BR2_PACKAGE_ALSA_LIB
+	select BR2_PACKAGE_ALSA_LIB_HWDEP
+	select BR2_PACKAGE_ALSA_LIB_SEQ
+	select BR2_PACKAGE_ALSA_LIB_RAWMIDI
+	# Ensure we get at least one:
+	select BR2_PACKAGE_JACK2_LEGACY if !BR2_PACKAGE_JACK2_DBUS
+	help
+	  JACK Audio Connection Kit (server and example clients).
+
+	  JACK is a low-latency sound server, allowing multiple
+	  applications to connect to one audio device, and to share
+	  audio between themselves. This package contains the daemon
+	  jackd as well as some example clients.
+
+	  http://jackaudio.org/
+
+if BR2_PACKAGE_JACK2
+
+config BR2_PACKAGE_JACK2_LEGACY
+	bool "classic jack2"
+	help
+	  Build and use jackd.
+
+	  https://github.com/jackaudio/jackaudio.github.com/wiki/JackDbusPackaging
+
+config BR2_PACKAGE_JACK2_DBUS
+	bool "dbus jack2"
+	depends on BR2_USE_WCHAR # dbus-python, python
+	select BR2_PACKAGE_DBUS
+	select BR2_PACKAGE_DBUS_PYTHON
+	select BR2_PACKAGE_PYTHON3 if !BR2_PACKAGE_PYTHON # runtime
+	select BR2_PACKAGE_PYTHON_PYEXPAT if BR2_PACKAGE_PYTHON # runtime
+	select BR2_PACKAGE_PYTHON3_PYEXPAT if BR2_PACKAGE_PYTHON3 # runtime
+	help
+	  Build and use jackdbus.
+
+	  https://github.com/jackaudio/jackaudio.github.com/wiki/JackDbusPackaging
+
+endif
+
+comment "jack2 needs a toolchain w/ threads, C++, dynamic library"
+	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_INSTALL_LIBSTDCPP || \
+		BR2_STATIC_LIBS

package/jack2/jack2.hash

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+# Locally calculated
+sha256  38f674bbc57852a8eb3d9faa1f96a0912d26f7d5df14c11005ad499c8ae352f2  jack2-1.9.17.tar.gz
+sha256  d8c320ffc0030d1b096ae4732b50d2b811cf95e9a9b7377c1127b2563e0a0388  COPYING

package/jack2/jack2.mk

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+################################################################################
+#
+# jack2
+#
+################################################################################
+
+JACK2_VERSION = 1.9.17
+JACK2_SITE = $(call github,jackaudio,jack2,v$(JACK2_VERSION))
+JACK2_LICENSE = GPL-2.0+ (jack server), LGPL-2.1+ (jack library)
+JACK2_LICENSE_FILES = COPYING
+JACK2_CPE_ID_VENDOR = jackaudio
+JACK2_DEPENDENCIES = libsamplerate libsndfile alsa-lib
+JACK2_INSTALL_STAGING = YES
+
+JACK2_CONF_OPTS = --alsa
+
+ifeq ($(BR2_PACKAGE_OPUS),y)
+JACK2_DEPENDENCIES += opus
+endif
+
+ifeq ($(BR2_PACKAGE_READLINE),y)
+JACK2_DEPENDENCIES += readline
+endif
+
+ifeq ($(BR2_PACKAGE_JACK2_LEGACY),y)
+JACK2_CONF_OPTS += --classic
+else
+define JACK2_REMOVE_JACK_CONTROL
+	$(RM) -f $(TARGET_DIR)/usr/bin/jack_control
+endef
+JACK2_POST_INSTALL_TARGET_HOOKS += JACK2_REMOVE_JACK_CONTROL
+endif
+
+ifeq ($(BR2_PACKAGE_JACK2_DBUS),y)
+JACK2_DEPENDENCIES += dbus
+JACK2_CONF_OPTS += --dbus
+endif
+
+# The dependency against eigen is only useful in conjunction with
+# gtkiostream, which we do not have, so we don't need to depend on
+# eigen.
+
+$(eval $(waf-package))