kbuild: Support custom make arguments on the command line

Add support for passing additional arguments to make. The arguments can
be specified after the platform name, or, if no platform name is
specified, after an empty option (--).

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 12 insertions, 4 deletions

diff --git a/kbuild.sh b/kbuild.sh
index 697648c..7a87ad9 100755
--- a/kbuild.sh
+++ b/kbuild.sh
@@ -36,6 +36,7 @@ do_package_deb=0
 opt_bootloader=
 opt_cmdline_file=
 opt_defconfig=
+opt_make_opts=
 
 while [[ $# != 0 ]] ; do
 	option=$1
@@ -75,12 +76,19 @@ while [[ $# != 0 ]] ; do
 		--doc)
 			do_compile_doc=1
 			;;
+		--)
+			platform=auto
+			;;
 		--*)
 			echo "Unrecognized option $option"
 			exit 1
 			;;
 		*)
-			platform=$option
+			if [[ -z "$platform" ]] ; then
+				platform=$option
+			else
+				opt_make_opts="$option $opt_make_opts"
+			fi
 			;;
 	esac
 done
@@ -91,7 +99,7 @@ done
 
 kcflags="-Werror -Wno-error=cpp"
 
-if [[ -z "$platform" ]] ; then
+if [[ -z "$platform" || "$platform" == "auto" ]] ; then
 	for f in $kbuild_root/platforms/*.sh ; do
 		pattern=$(cat $f | grep "dir_pattern=" | head -1)
 		pattern=${pattern/#dir_pattern=/}
@@ -146,8 +154,8 @@ esac
 #
 
 num_cpus=$(cat /proc/cpuinfo | grep '^processor\b' | wc -l)
-make="make ARCH=$arch O=$output_dir CROSS_COMPILE=${cross_compile[$arch]}"
-pmake="$make -j$((num_cpus*2))"
+make="make ARCH=$arch O=$output_dir CROSS_COMPILE=${cross_compile[$arch]} ${extra_make_args}"
+pmake="$make -j$((num_cpus*2)) $opt_make_opts"
 
 echo "Compiling for platform $platform with $num_cpus CPUs"