initial buildroot for linux 5.15

package/fbgrab/0001-fix-static-build.patch

@@ -0,0 +1,21 @@
+Fix static build
+
+fbgrab links against libpng, which depends on libm. For shared library
+builds, there is nothing special to do about this, but for static
+library builds, it is necessary to pass -lm when linking fbgrab.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/Makefile
+===================================================================
+--- a/Makefile
++++ b/Makefile
+@@ -12,7 +12,7 @@
+ all: fbgrab fbgrab.1.gz
+ 
+ fbgrab: fbgrab.c
+-	$(CC) -g -Wall $(CFLAGS) $(LDFLAGS) $< -lpng -lz -o $@
++	$(CC) -g -Wall $(CFLAGS) $(LDFLAGS) $< -lpng -lz -lm -o $@
+ 
+ fbgrab.1.gz: fbgrab.1.man
+ 	$(GZIP) $(GZIPFLAGS) $< > $@

package/fbgrab/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_FBGRAB
+	bool "fbgrab"
+	select BR2_PACKAGE_LIBPNG
+	help
+	  FBGrab is a framebuffer screenshot program, capturing the
+	  linux frambuffer and converting it to a png-picture.
+
+	  https://github.com/GunnarMonell/fbgrab

package/fbgrab/fbgrab.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  0202a9c4fb430eee4d8f566d09ab5f6e35c50804a192ba106046e54eb886f8f1  fbgrab-1.5.tar.gz
+sha256  fa5fc1d1eec39532ea517518eeefd7b6e3c14341a55e5880a0e2a49eee47a5b7  COPYING

package/fbgrab/fbgrab.mk

@@ -0,0 +1,21 @@
+################################################################################
+#
+# fbgrab
+#
+################################################################################
+
+FBGRAB_VERSION = 1.5
+FBGRAB_SITE = $(call github,GunnarMonell,fbgrab,$(FBGRAB_VERSION))
+FBGRAB_DEPENDENCIES = libpng
+FBGRAB_LICENSE = GPL-2.0
+FBGRAB_LICENSE_FILES = COPYING
+
+define FBGRAB_BUILD_CMDS
+	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) fbgrab
+endef
+
+define FBGRAB_INSTALL_TARGET_CMDS
+	$(INSTALL) -m 0755 -D $(@D)/fbgrab $(TARGET_DIR)/usr/bin/fbgrab
+endef
+
+$(eval $(generic-package))