initial buildroot for linux 5.15

package/mjpg-streamer/Config.in

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+config BR2_PACKAGE_MJPG_STREAMER
+	bool "mjpg-streamer"
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 # V4L2_EVENT_SOURCE_CHANGE
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU # fork()
+	depends on !BR2_STATIC_LIBS # plugins need dlopen()
+	select BR2_PACKAGE_JPEG
+	help
+	  MJPG-streamer takes JPGs from Linux-UVC compatible webcams,
+	  filesystem or other input plugins and streams them as
+	  M-JPEG via HTTP to webbrowsers, VLC and other software.
+
+	  https://github.com/jacksonliam/mjpg-streamer
+
+comment "mjpg-streamer needs a toolchain w/ threads, headers >= 3.16, dynamic library"
+	depends on BR2_USE_MMU
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 || BR2_STATIC_LIBS

package/mjpg-streamer/mjpg-streamer.hash

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+# Locally computed
+sha256 5b427b07c03c2c0468cc782daf1510d315141170246828fcbb7c07f927879973  mjpg-streamer-5a6e0a2db163e6ae9461552b59079870d0959340.tar.gz
+sha256 ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  mjpg-streamer-experimental/LICENSE

package/mjpg-streamer/mjpg-streamer.mk

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+################################################################################
+#
+# mjpg-streamer
+#
+################################################################################
+
+MJPG_STREAMER_VERSION = 5a6e0a2db163e6ae9461552b59079870d0959340
+MJPG_STREAMER_SITE = $(call github,jacksonliam,mjpg-streamer,$(MJPG_STREAMER_VERSION))
+MJPG_STREAMER_SUBDIR = mjpg-streamer-experimental
+MJPG_STREAMER_LICENSE = GPL-2.0+
+MJPG_STREAMER_LICENSE_FILES = $(MJPG_STREAMER_SUBDIR)/LICENSE
+MJPG_STREAMER_DEPENDENCIES = jpeg
+
+ifeq ($(BR2_PACKAGE_LIBGPHOTO2),y)
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_INPUT_PTP2=ON
+MJPG_STREAMER_DEPENDENCIES += host-pkgconf libgphoto2
+else
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_INPUT_PTP2=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_LIBV4L),y)
+MJPG_STREAMER_DEPENDENCIES += libv4l
+endif
+
+ifeq ($(BR2_PACKAGE_OPENCV3_LIB_HIGHGUI)$(BR2_PACKAGE_OPENCV3_LIB_IMGPROC)$(BR2_PACKAGE_OPENCV3_LIB_VIDEOIO),yyy)
+MJPG_STREAMER_CONF_OPTS += \
+	-DPLUGIN_INPUT_OPENCV=ON \
+	-DPLUGIN_CVFILTER_CPP=OFF \
+	-DPLUGIN_CVFILTER_PY=OFF
+MJPG_STREAMER_DEPENDENCIES += host-pkgconf opencv3
+else
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_INPUT_OPENCV=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_PROTOBUF_C)$(BR2_PACKAGE_ZEROMQ),yy)
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_OUTPUT_ZMQSERVER=ON
+MJPG_STREAMER_DEPENDENCIES += host-pkgconf protobuf-c zeromq
+else
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_OUTPUT_ZMQSERVER=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_SDL),y)
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_OUTPUT_VIEWER=ON
+MJPG_STREAMER_DEPENDENCIES += host-pkgconf sdl
+else
+MJPG_STREAMER_CONF_OPTS += -DPLUGIN_OUTPUT_VIEWER=OFF
+endif
+
+$(eval $(cmake-package))