Start sketching parsec buildroot package

build

@@ -19,6 +19,9 @@ while getopts 'a:gj:lp:qSt:v' OPT; do
     j)
       j="$OPTARG"
     ;;
+    l)
+      extra_targets="$extra_args kernel_module-reconfigure"
+    ;;
     l)
       extra_targets="$extra_args linux-reconfigure"
     ;;
@@ -64,14 +67,15 @@ if "$gem5"; then
   post_script_args="$post_script_args -n"
 fi
 
+rootdir="$(pwd)"
 cd kernel_module
 ./make-host.sh -j "$j" clean
-cd ../buildroot
-for p in $(find '../buildroot_patches/' -maxdepth 1 -name '*.patch' -print); do
+cd "$rootdir/buildroot"
+for p in $(find "${rootdir}/buildroot_patches/" -maxdepth 1 -name '*.patch' -print); do
     patch -N -r - -p 1 <"$p" || :
 done
 outdir="output.${arch_dir}~"
-make O="$outdir" BR2_EXTERNAL="$(pwd)/../kernel_module:$(pwd)/../gem5" "$defconfig"
+make O="$outdir" BR2_EXTERNAL="${rootdir}/kernel_module:${rootdir}/gem5:${rootdir}/parsec" "$defconfig"
 # TODO Can't get rid of this for now.
 # http://stackoverflow.com/questions/44078245/is-it-possible-to-use-config-fragments-with-buildroots-config
 cat ../buildroot_config_fragment >> "${outdir}/.config"
@@ -101,20 +105,21 @@ make O="$outdir" olddefconfig
 #
 # Even if were an autotools package, there is no general way currently to pass extra configs to it:
 # https://stackoverflow.com/questions/44341188/how-to-pass-extra-custom-configure-autotools-options-to-a-buildroot-package/44341225#44341225
-time \
+cmd="time \
   env \
   -u LD_LIBRARY_PATH \
   make \
-  O="$outdir" \
-  BR2_JLEVEL="$j" \
-  BR2_PACKAGE_GEM5="$("$gem5" && echo y || echo n)" \
-  BR2_ROOTFS_POST_SCRIPT_ARGS="$post_script_args" \
-  HOST_QEMU_OPTS="--enable-debug --extra-cflags='-DDEBUG_PL061=1' --enable-trace-backends=simple $qemu_sdl" \
-  V="$v" \
-  kernel_module-rebuild \
+  O='$outdir' \
+  BR2_JLEVEL='$j' \
+  BR2_PACKAGE_GEM5='$("$gem5" && echo y || echo n)' \
+  BR2_ROOTFS_POST_SCRIPT_ARGS='$post_script_args' \
+  HOST_QEMU_OPTS='--enable-debug --extra-cflags=-DDEBUG_PL061=1 --enable-trace-backends=simple $qemu_sdl' \
+  V='$v' \
   $extra_targets \
   all \
-;
+"
+echo "$cmd" | tee "${rootdir}/build.log"
+eval "$cmd"
 cd ..
 if "$gem5"; then
   ./build-gem5 -a "$arch"