Add missing configure options from source repo

Needed to add `ccache` as a build dependency as it was added in the
`mozconfig` files. I should create a patch to remove it and any other
unneeded configure options

Resolves #2

debian/control

@@ -29,7 +29,8 @@ Build-Depends: debhelper (>= 11),
                libxt-dev,
                gnupg,
                unzip,
-               llvm
+               llvm,
+               ccache
 Standards-Version: 4.1.3
 Homepage: https://www.gnu.org/software/gnuzilla
 

debian/rules

@@ -18,6 +18,8 @@ FFVERSION = 78.11.0
 
 override_dh_auto_configure:
 	./makeicecat
+	cp data/buildscripts/mozconfig-common output/icecat-$(FFVERSION)/.mozconfig
+	cat data/buildscripts/mozconfig-gnulinux >> output/icecat-$(FFVERSION)/.mozconfig
 ifneq (64,$(DEB_BUILD_ARCH_BITS))
 	cd output/build && ../icecat-$(FFVERSION)/configure \
 	--prefix=/usr \