make: build modules as separate target

diff --git a/Makefile b/Makefile
index 42985989640f6d86b0d4c65e8017a2a59030dad2..f1dab58758425d23dd79d13e1389f5dcc3e3e81c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -36,6 +36,7 @@ world:        ${SYSROOT}/bin/busybox \
        ${SYSROOT}/init \
        ${SYSROOT}/loginroot \
        build-linux/arch/x86_64/boot/bzImage \
+       ${SYSROOT}/lib/modules \
        initramfs.cpio.xz
 
 # --- kernel
@@ -52,12 +53,19 @@ build-linux/.config:   | build-linux/arch/x86/configs/x86_64_qemu_defconfig
        make ARCH=${TARGET_ARCH} -C ${KERNEL_TREE} O=${CURDIR}/build-linux x86_64_qemu_defconfig
 
 build-linux/arch/x86_64/boot/bzImage: build-linux/.config
-       make ${PARALLEL} -C build-linux ARCH=${TARGET_ARCH}
-       make ${PARALLEL} -C build-linux ARCH=${TARGET_ARCH} INSTALL_MOD_PATH=${SYSROOT} modules_install
+       make ${PARALLEL} -C build-linux ARCH=${TARGET_ARCH} V=1
+
+.PHONY: .install-modules
+
+${SYSROOT}/lib/modules:        build-linux/arch/x86_64/boot/bzImage
+       make ${PARALLEL} -C build-linux INSTALL_MOD_PATH=${SYSROOT} modules_install
+
+.install-modules: ${SYSROOT}/lib/modules ${SYSROOT}/.mount-stamp
 
 clean::
        -make ${PARALLEL} -C build-linux clean
        -make ${PARALLEL} -C ${KERNEL_TREE} mrproper
+       -rm -rf ${SYSROOT}/lib/modules
 
 distclean::
        -rm -rf build-linux
@@ -133,7 +141,7 @@ clean::
 distclean::
        rm -rf build-busybox
 
-initramfs.cpio.xz: ${SYSROOT}/bin/busybox ${SYSROOT}/loginroot ${SYSROOT}/init ${SYSROOT}/etc/inittab ${SYSROOT}/etc/group ${SYSROOT}/etc/passwd
+initramfs.cpio.xz: ${SYSROOT}/bin/busybox ${SYSROOT}/loginroot ${SYSROOT}/init ${SYSROOT}/etc/inittab ${SYSROOT}/etc/group ${SYSROOT}/etc/passwd .install-modules
        (cd ${SYSROOT} && find . -print0 | cpio --null -ov --format=newc | xz -C crc32 > ../initramfs.cpio.xz)
 
 clean::