zfs depdency spl builds now (zfs still fails); Linux needed CONFIG_MULTIUSER for groups_alloc() to be implemented (issue #187)

config/linux.config

@@ -54,7 +54,7 @@ CONFIG_THREAD_INFO_IN_TASK=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_CROSS_COMPILE=""
 # CONFIG_COMPILE_TEST is not set
-CONFIG_LOCALVERSION="-heads_moc"
+CONFIG_LOCALVERSION="-heads"
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_HAVE_KERNEL_GZIP=y
 CONFIG_HAVE_KERNEL_BZIP2=y
@@ -117,6 +117,8 @@ CONFIG_NO_HZ_IDLE=y
 CONFIG_TICK_CPU_ACCOUNTING=y
 # CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
 # CONFIG_IRQ_TIME_ACCOUNTING is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
 
 #
 # RCU Subsystem
@@ -139,6 +141,7 @@ CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH=y
 CONFIG_ARCH_SUPPORTS_INT128=y
 # CONFIG_CGROUPS is not set
 # CONFIG_CHECKPOINT_RESTORE is not set
+# CONFIG_NAMESPACES is not set
 # CONFIG_SCHED_AUTOGROUP is not set
 # CONFIG_SYSFS_DEPRECATED is not set
 # CONFIG_RELAY is not set
@@ -159,7 +162,7 @@ CONFIG_SYSCTL_EXCEPTION_TRACE=y
 CONFIG_HAVE_PCSPKR_PLATFORM=y
 CONFIG_BPF=y
 CONFIG_EXPERT=y
-# CONFIG_MULTIUSER is not set
+CONFIG_MULTIUSER=y
 # CONFIG_SGETMASK_SYSCALL is not set
 # CONFIG_SYSFS_SYSCALL is not set
 CONFIG_KALLSYMS=y
@@ -2021,6 +2024,8 @@ CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
 # CONFIG_CONFIGFS_FS is not set
 # CONFIG_MISC_FILESYSTEMS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
 # CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
@@ -2284,6 +2289,7 @@ CONFIG_OPTIMIZE_INLINING=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY_DMESG_RESTRICT is not set
+# CONFIG_SECURITY is not set
 CONFIG_SECURITYFS=y
 # CONFIG_INTEL_TXT is not set
 CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y

config/qemu-moc.config

@@ -15,6 +15,7 @@ CONFIG_QRENCODE=y
 CONFIG_TPMTOTP=y
 CONFIG_DROPBEAR=y
 CONFIG_XEN=y
+CONFIG_ZFS=y
 
 CONFIG_LINUX_USB=y
 CONFIG_LINUX_E1000=y

modules/spl

@@ -1,6 +1,6 @@
 modules-$(CONFIG_ZFS) += spl
 
-spl_depends := $(musl_dep)
+spl_depends := linux $(musl_dep)
 
 spl_version := 0.6.5.9
 spl_dir := spl-$(spl_version)
@@ -8,21 +8,31 @@ spl_tar := spl-$(spl_version).tar.gz
 spl_url := https://github.com/zfsonlinux/zfs/releases/download/zfs-$(spl_version)/$(spl_tar)
 spl_hash := d9ccd24786bb5a8616748a93a3c0b1270aa891175e2f5d726195b416f5c03b9c
 
-spl_configure := ./configure \
-	$(CROSS_TOOLS) \
+# these can't be a := variable since we can't guarantee that
+# linux_dir has been defined yet.
+spl_configure = \
+	CROSS_COMPILE="$(CROSS)" \
+	$(CROSS_TOOLS_NOCC) \
+	CC="$(CROSS)gcc" \
+	USER_KCFLAGS="-I$(build)/$(linux_dir)/include" \
+	./configure \
+	--prefix / \
 	--host i386-elf-linux \
-	PREFIX="/" \
-	--with-linux=$(build)/linux-4.9.20 \
-	--with-linux-obj=$(build)/linux-4.9.20 \
+	--with-linux="$(build)/$(linux_dir)" \
+	--with-linux-obj="$(build)/$(linux_dir)" \
 	
 
 spl_target := \
 	$(MAKE_JOBS) \
-	$(CROSS_TOOLS) \
+	CROSS_COMPILE="$(CROSS)" \
+	CC="$(CROSS)gcc" \
 	DESTDIR="$(INSTALL)" \
+	install
 
-spl_output := \
-	spl.ko
+spl_output := cmd/splat
 
-spl_libraries := \
+spl_libraries :=
+
+linux_modules-$(CONFIG_ZFS) += module/spi/spi.ko
+linux_modules-$(CONFIG_ZFS) += module/splat/splat.ko
 

modules/zfs

@@ -8,18 +8,19 @@ zfs_tar := zfs-$(zfs_version).tar.gz
 zfs_url := https://github.com/zfsonlinux/zfs/releases/download/zfs-$(zfs_version)/$(zfs_tar)
 zfs_hash := b724b57dbddae59246fdc15f88f1224061c712945bb36412a2087e0c7760d77f
 
-zfs_configure := ./configure \
-	$(CROSS_TOOLS) \
+zfs_configure := \
+	CROSS_COMPILE="$(CROSS)" \
+	./configure \
 	--host i386-elf-linux \
-	PREFIX="/" \
+	--prefix / \
 	--with-linux=../linux-4.9.20 \
 	--with-linux-obj=../linux-4.9.20 \
 	--with-spl=../spl-$(zfs_version) \
+	--with-spl-obj=../spl-$(zfs_version) \
 	
 
 zfs_target := \
 	$(MAKE_JOBS) \
-	$(CROSS_TOOLS) \
 	DESTDIR="$(INSTALL)" \
 
 zfs_output := \