package/delve: support building as host package

Users may want to debug Go programs using dlv on the host machine.

Adds package host-delve and BR2_PACKAGE_HOST_DELVE.

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/Config.in.host

@@ -14,6 +14,7 @@ menu "Host utilities"
 	source "package/cramfs/Config.in.host"
 	source "package/cryptsetup/Config.in.host"
 	source "package/dbus-python/Config.in.host"
+	source "package/delve/Config.in.host"
 	source "package/dfu-util/Config.in.host"
 	source "package/dos2unix/Config.in.host"
 	source "package/dosfstools/Config.in.host"

package/delve/Config.in.host

@@ -0,0 +1,7 @@
+config BR2_PACKAGE_HOST_DELVE
+	bool "host delve"
+	depends on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
+	help
+	  Delve is a debugger for the Go programming language.
+
+	  https://github.com/go-delve/delve

package/delve/delve.mk

@@ -14,4 +14,9 @@ DELVE_TAGS = cgo
 DELVE_BUILD_TARGETS = cmd/dlv
 DELVE_INSTALL_BINS = $(notdir $(DELVE_BUILD_TARGETS))
 
+HOST_DELVE_TAGS = cgo
+HOST_DELVE_BUILD_TARGETS = cmd/dlv
+HOST_DELVE_INSTALL_BINS = $(notdir $(HOST_DELVE_BUILD_TARGETS))
+
 $(eval $(golang-package))
+$(eval $(host-golang-package))