build runs, lots of uncommented and lots of untested though

Refactor everything. Create nice submodules/ and packages/ folders.

configure

@@ -11,7 +11,7 @@ while getopts gpqt OPT; do
       gem5=true
       ;;
     p)
-      submodules="$submodules parsec-benchmark/parsec-benchmark"
+      submodules="${submodules} parsec-benchmark"
       ;;
     q)
       qemu=false
@@ -100,10 +100,10 @@ fi
 ## Submodules
 
 if "$qemu"; then
-  submodules="$submodules qemu"
+  submodules="${submodules} qemu"
 fi
 if "$gem5"; then
-  submodules="$submodules gem5/gem5"
+  submodules="${submodules} gem5"
 fi
 (
   set -e
@@ -113,10 +113,11 @@ fi
   # In particular:
   # - `shallow = true` on the submodule has no effect for the non default educational branches of our submodules
   # - QEMU's submodules point to commits that are neither under branches nor tags, and so `--shallow-submodules` fails
-  git submodule update --depth 1 $gitjobs --init -- $submodules
+  for submodule in submodules/*/; do
+    git submodule update --depth 1 $gitjobs --init -- "submodules/${submodule}"
+  done
   if "$qemu"; then
-    cd qemu
-    git submodule update --init --recursive
+    git -C submodules/qemu submodule update --init --recursive
   fi
 ) &
 # https://unix.stackexchange.com/questions/65532/why-does-set-e-not-work-inside-subshells-with-parenthesis-followed-by-an-or