Remove absolute paths

Makefile.conf.armv6-jessie

@@ -5,7 +5,7 @@
 ARCH := armv6-jessie
 CFLAGS += -marm -march=armv6
 
-ARCHBASEDIR := /opt/build/Raspbian-jessie
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/Raspbian-jessie
 
 AR := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-ar
 CC := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-g++

Makefile.conf.armv6-stretch

@@ -5,7 +5,7 @@
 ARCH := armv6-stretch
 CFLAGS += -marm -march=armv6
 
-ARCHBASEDIR := /opt/build/Raspbian-stretch
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/Raspbian-stretch
 
 AR := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-ar
 CC := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-g++

Makefile.conf.armv8-alpine

@@ -5,7 +5,7 @@
 ARCH := armv8-alpine
 CFLAGS += -marm -mcpu=cortex-a53 -mfpu=neon-fp-armv8
 
-ARCHBASEDIR := /opt/build/alpine
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/alpine
 
 AR := $(ARCHBASEDIR)/bin/arm-linux-musleabihf-ar
 CC := $(ARCHBASEDIR)/bin/arm-linux-musleabihf-g++

Makefile.conf.armv8-jessie

@@ -5,7 +5,7 @@
 ARCH := armv8-jessie
 CFLAGS += -marm -mcpu=cortex-a53 -mfpu=neon-fp-armv8
 
-ARCHBASEDIR := /opt/build/Raspbian-jessie
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/Raspbian-jessie
 
 AR := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-ar
 CC := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-g++

Makefile.conf.armv8-stretch

@@ -5,7 +5,7 @@
 ARCH := armv8-stretch
 CFLAGS += -marm -mcpu=cortex-a53 -mfpu=neon-fp-armv8
 
-ARCHBASEDIR := /opt/build/Raspbian-stretch
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/Raspbian-stretch
 
 AR := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-ar
 CC := $(ARCHBASEDIR)/tools/bin/arm-rpi-linux-gnueabihf-g++

Makefile.conf.x86_64-alpine

@@ -4,7 +4,7 @@
 
 ARCH := x86_64-alpine
 
-ARCHBASEDIR := /opt/build/alpine
+ARCHBASEDIR := $(BUILDSUPPORTDIR)/alpine
 
 AR := $(ARCHBASEDIR)/bin/x86_64-linux-musl-ar
 CC := $(ARCHBASEDIR)/bin/x86_64-linux-musl-g++