initial buildroot for linux 5.15

package/duktape/Config.in

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+config BR2_PACKAGE_DUKTAPE
+	bool "duktape"
+	depends on !BR2_STATIC_LIBS
+	help
+	  Duktape is an embeddable Javascript engine, with a focus on
+	  portability and compact footprint.
+
+	  Duktape is easy to integrate into a C/C++ project: add
+	  duktape.c, duktape.h, and duk_config.h to your build, and use
+	  the Duktape API to call Ecmascript functions from C code and
+	  vice versa.
+
+	  http://www.duktape.org
+
+comment "duktape needs a toolchain w/ dynamic library"
+	depends on BR2_STATIC_LIBS

package/duktape/duktape.hash

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+# Locally computed:
+sha256  96f4a05a6c84590e53b18c59bb776aaba80a205afbbd92b82be609ba7fe75fa7  duktape-2.6.0.tar.xz
+sha256  5b42d02dbd084fd6d7e61d93f52e02b596f25400e54e0f86d5780045e5b754c8  LICENSE.txt

package/duktape/duktape.mk

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+################################################################################
+#
+# duktape
+#
+################################################################################
+
+DUKTAPE_VERSION = 2.6.0
+DUKTAPE_SOURCE = duktape-$(DUKTAPE_VERSION).tar.xz
+DUKTAPE_SITE = \
+	https://github.com/svaarala/duktape/releases/download/v$(DUKTAPE_VERSION)
+DUKTAPE_LICENSE = MIT
+DUKTAPE_LICENSE_FILES = LICENSE.txt
+DUKTAPE_INSTALL_STAGING = YES
+
+define DUKTAPE_BUILD_CMDS
+	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) -f Makefile.sharedlibrary
+endef
+
+define DUKTAPE_INSTALL_STAGING_CMDS
+	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) -f Makefile.sharedlibrary \
+		INSTALL_PREFIX=$(STAGING_DIR)/usr install
+	$(INSTALL) -D -m 0644 $(DUKTAPE_PKGDIR)/duktape.pc.in \
+		$(STAGING_DIR)/usr/lib/pkgconfig/duktape.pc
+	$(SED) 's/@VERSION@/$(DUKTAPE_VERSION)/g;' \
+		$(STAGING_DIR)/usr/lib/pkgconfig/duktape.pc
+endef
+
+define DUKTAPE_INSTALL_TARGET_CMDS
+	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) -f Makefile.sharedlibrary \
+		INSTALL_PREFIX=$(TARGET_DIR)/usr install
+endef
+
+$(eval $(generic-package))

package/duktape/duktape.pc.in

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+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: duktape
+Description: Embeddable Javascript engine
+Version: @VERSION@
+Libs: -L${libdir} -lduktape
+Cflags: -I${includedir}/