Adding CCACHE

dockerfile-nogit

@@ -3,7 +3,7 @@ FROM ubuntu:latest
 # Set location to download ARM toolkit from.
 # This will need to be changed over time or replaced with a static link to the latest release.
 ENV ARMBINURL=https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2?revision=108bd959-44bd-4619-9c19-26187abf5225&la=en&hash=E788CE92E5DFD64B2A8C246BBA91A249CB8E2D2D \
-    PATH=$PATH:/opt/build/armbin/bin
+	PATH=$HOME/bin:$PATH:/opt/build/armbin/bin
 
 #Create volume /havoc/bin for compiled firmware binaries
 VOLUME /havoc
@@ -11,7 +11,7 @@ WORKDIR /havoc/firmware
 
 # Fetch dependencies from APT
 RUN apt-get update && \
-	apt-get install -y git tar wget dfu-util cmake python3 python-pip && \
+	apt-get install -y git tar wget dfu-util cmake python3 python-pip ccache && \
 	apt-get -qy autoremove
 
 RUN pip install pyyaml
@@ -23,5 +23,9 @@ RUN mkdir /opt/build && cd /opt/build && \
 	mkdir armbin && \
 	tar --strip=1 -xjvf gcc-arm-none-eabi -C armbin
 
+# Configure CCACHE
+RUN mkdir ~/bin && cd ~/bin && \
+	for tool in gcc g++ cpp c++;do ln -s $(which ccache) arm-none-eabi-$tool;done
+
 CMD cd .. && cd build && \
     cmake .. && make firmware