gluon.mk: remove GLUON_PKG_MAKE option

package/gluon-core/Makefile

@@ -7,8 +7,6 @@ PKG_VERSION:=$(if $(DUMP),x,$(GLUON_VERSION))
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 
-GLUON_PKG_MAKE:=1
-
 include ../gluon.mk
 include $(INCLUDE_DIR)/cmake.mk
 

package/gluon-ebtables-limit-arp/Makefile

@@ -4,8 +4,6 @@ PKG_NAME:=gluon-ebtables-limit-arp
 PKG_VERSION:=1
 PKG_RELEASE:=1
 
-GLUON_PKG_MAKE:=1
-
 include ../gluon.mk
 
 define Package/gluon-ebtables-limit-arp

package/gluon-neighbour-info/Makefile

@@ -4,8 +4,6 @@ PKG_NAME:=gluon-neighbour-info
 PKG_VERSION:=1
 PKG_RELEASE:=1
 
-GLUON_PKG_MAKE:=1
-
 include ../gluon.mk
 
 define Package/gluon-neighbour-info

package/gluon-status-page/Makefile

@@ -3,8 +3,6 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=gluon-status-page
 PKG_VERSION:=3
 
-GLUON_PKG_MAKE:=1
-
 include ../gluon.mk
 
 define Package/gluon-status-page

package/gluon-web/Makefile

@@ -3,7 +3,6 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=gluon-web
 PKG_VERSION:=1
 
-GLUON_PKG_MAKE:=1
 PKG_INSTALL:=1
 
 include ../gluon.mk

package/gluon.mk

@@ -6,7 +6,6 @@ PKG_BUILD_DEPENDS += luci-base/host
 
 ifneq ($(wildcard ./src/respondd.c),)
   PKG_BUILD_DEPENDS += respondd
-  GLUON_PKG_MAKE ?= 1
 endif
 
 include $(INCLUDE_DIR)/package.mk
@@ -67,10 +66,8 @@ define GluonSrcDiet
 endef
 
 
-GLUON_PKG_MAKE ?= 0
-
 define Gluon/Build/Compile
-	$(if $(findstring $(GLUON_PKG_MAKE),1),
+	$(if $(wildcard ./src/Makefile ./src/CMakeLists.txt),
 		$(Build/Compile/Default)
 	)
 	$(if $(wildcard ./luasrc/.),