# Directories building kernel modules should have two files:
#
# Makefile.in:
#
# MODULES := <module-name>
# <module-name>-objs := file1.o file2.o file3.o
# @INCLUDE_RULES@
#
# and autoMakefile.am:
#
# if LIBLUSTRE
# <liblustre rules>
# endif
#
# if MODULES
# modulefs_DATA = <module-name>$(KMODEXT)
# endif
#
# DIST_SOURCES = $(<module-name>-objs:.o=.c) <other sources>
# MOSTLYCLEANFILES = *.o *.ko *.mod.c

ifeq ($(PATCHLEVEL),)

include autoMakefile

# The kernel ABI files for the nonfree modules.
KABIS := $(NONFREE_MODULES:%$(KMODEXT)=%.kabi)

all: archive-nonfree-modules

# Where to archive the nonfree modules for binary distribution.
# If this directory has a colon in it, SSH/SCP are used to go out on the network.
nonfreedir := $$HOME/nonfree
#nonfreedir := moraine.clusterfs.com:/home/lustre-nonfree

# Put the nonfree modules and corresponding KABI files into the binary
# archive.  We assume that if the CVS subdirectory doesn't exist, we
# don't want to archive.
archive-nonfree-modules: $(KABIS) $(NONFREE_MODULES)
	test -d CVS || exit 0; \
	list="$(NONFREE_MODULES)"; for mod in $$list; do \
	  perl $(top_srcdir)/build/kabi -v archive $(nonfreedir) $$mod || exit $$?; \
	done

# Generate the Kernel ABI files for the nonfree modules.
$(KABIS): $(NONFREE_MODULES)
	for mod in $(NONFREE_MODULES); do \
	  CC="$(CC)" perl $(top_srcdir)/build/kabi --with-linux="$(LINUX)" module $$mod || exit $$?; \
	done

fix-kext-ownership:
	@if test -d $(DESTDIR)$(kextdir) ; then \
		echo chown -R root:wheel $(DESTDIR)$(kextdir) ; \
		chown -R root:wheel $(DESTDIR)$(kextdir) || \
			echo >&2 "*** WARNING: Could not fix kext ownership for $(DESTDIR)$(kextdir)" ; \
	fi

else

include @LINUX_CONFIG@

EXTRA_CFLAGS := $(EXTRA_PRE_CFLAGS)
EXTRA_CFLAGS += @EXTRA_KCFLAGS@ @UML_CFLAGS@ @CFLAGS@
EXTRA_CFLAGS += $(EXTRA_POST_CFLAGS)

obj-m := $(patsubst %,%.o,$(MODULES))

ifeq ($(PATCHLEVEL),4)
# 2.4 rules
O_TARGET := $(firstword $(obj-m))
obj-y := $($(firstword $(MODULES))-objs)
export-objs := $(obj-y) $(filter-out $(O_TARGET),$(obj-m))
include $(TOPDIR)/Rules.make
$(MODINCL)/%.ver: %.c
	@true
endif # PATCHLEVEL

endif # KERNELRELEASE