abuild: Refactor parallelization support

Use MAKEFLAGS to propagate the parallelization configuration to
the build

Change-Id: If90ed446edd8e6dc679d284ee9db7a24269edd36
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/406
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

diff --git a/util/abuild/abuild b/util/abuild/abuild
index ba144aabd5bade857992394590540d489a422c05..4ab0230c6f2340a762dd0f5c963615aab9b9ac63 100755 (executable)
--- a/util/abuild/abuild
+++ b/util/abuild/abuild
@@ -222,7 +222,7 @@ function create_config
                fi
        fi
 
-       #yes "" | $MAKE oldconfig -j $cpus obj=${build_dir} objutil=$TARGET/sharedutils &> ${build_dir}/config.log
+       #yes "" | $MAKE oldconfig obj=${build_dir} objutil=$TARGET/sharedutils &> ${build_dir}/config.log
        yes "" | $MAKE oldconfig DOTCONFIG=${build_dir}/config.build obj=${build_dir} objutil=$TARGET/sharedutils &> ${build_dir}/config.log
        ret=$?
        if [ $ret -eq 0 ]; then
@@ -286,7 +286,7 @@ function compile_target
        CURR=$( pwd )
        #stime=`perl -e 'print time();' 2>/dev/null || date +%s`
        build_dir=$TARGET/${VENDOR}_${MAINBOARD}
-       eval $MAKE $silent -j $cpus DOTCONFIG=${build_dir}/config.build obj=${build_dir} objutil=$TARGET/sharedutils \
+       eval $MAKE $silent DOTCONFIG=${build_dir}/config.build obj=${build_dir} objutil=$TARGET/sharedutils \
                &> ${build_dir}/make.log
        ret=$?
        cp .xcompile ${build_dir}/xcompile.build
@@ -624,6 +624,10 @@ while true ; do
        esac
 done
 
+if [ "$cpus" != "1" ]; then
+       export MAKEFLAGS="-j $cpus"
+fi
+
 # /path/to/freebios2/
 test -z "$1" || ROOT=$1