EXTRA_DIST = kernel_patches if MODULES if LDISKFS_ENABLED all-local: sources modulefs_DATA = ldiskfs$(KMODEXT) ldiskfs$(KMODEXT): sources endif endif ldiskfs_linux_headers := $(addprefix linux/,$(subst ext4,ldiskfs,$(notdir $(linux_headers)))) $(filter %.c,$(ldiskfs_patched_sources)): sources $(ldiskfs_linux_headers) $(filter %.h,$(ldiskfs_patched_sources)) # Convert LDISKFS_SUPER_MAGIC back to EXT4_SUPER_MAGIC so that the ldiskfs # code can use the existing kernel headers instead of defining this itself. ldiskfs_sed_flags = \ -e "s/dx_hash_info/ext4_dx_hash_info/g" \ -e "s/DX_HASH/EXT4_DX_HASH/g" \ -e "s/EXT4/LDISKFS/g" -e "s/ext4/ldiskfs/g" \ -e "s/LDISKFS_SUPER_MAGIC/EXT4_SUPER_MAGIC/g" %.c: linux-stage/fs/ext4/%.c sed $(strip $(ldiskfs_sed_flags)) $< > $@ %.h: linux-stage/fs/ext4/%.h sed $(strip $(ldiskfs_sed_flags)) $< > $@ linux/ldiskfs%.h: linux-stage/include/linux/ext4%.h sed $(strip $(ldiskfs_sed_flags)) $< > $@ series := @top_srcdir@/ldiskfs/kernel_patches/series/ldiskfs-$(LDISKFS_SERIES) patches := @top_srcdir@/ldiskfs/kernel_patches/patches sources: $(backfs_sources) $(backfs_headers) $(linux_headers) $(series) $(trace_headers) rm -rf linux-stage linux sources trace $(ldiskfs_SOURCES) mkdir -p linux-stage/fs/ext4 linux-stage/include/linux \ linux-stage/include/trace/events cp $(backfs_sources) $(backfs_headers) $(backfs_extra) linux-stage/fs/ext4 if test -n "$(linux_headers)" ; then \ cp $(linux_headers) linux-stage/include/linux; \ fi if test -n "$(trace_headers)" ; then \ cp $(trace_headers) linux-stage/include/trace/events; \ fi if USE_QUILT ln -s ../$(patches) linux-stage/patches ln -s ../$(series) linux-stage/series cd linux-stage && quilt push -a -q else @echo -n "Applying ext4 patches:" @cd linux-stage && for i in $$(<../$(series)) ; do \ echo -n " $$i" ; \ patch -s -p1 < ../$(patches)/$$i || exit 1 ; \ done @echo endif mkdir -p linux trace/events @echo -n "Replacing 'ext4' with 'ldiskfs':" for i in $(notdir $(backfs_headers) $(backfs_sources)) $(new_sources) ; do \ echo -n " $$i" ; \ sed $(strip $(ldiskfs_sed_flags)) \ linux-stage/fs/ext4/$$i > $$i ; \ done for i in $(subst ext4,,$(notdir $(backfs_headers))) ; do \ if test -f "ext4$$i" ; then \ echo -n " ext4$$i" ; \ mv ext4$$i ldiskfs$$i ; \ fi ; \ done for i in $(subst ext4,,$(notdir $(linux_headers) $(new_headers))) ; do \ echo -n " ext4$$i" ; \ sed $(strip $(ldiskfs_sed_flags)) \ linux-stage/include/linux/ext4$$i \ > linux/ldiskfs$$i ; \ done for i in $(subst ext4,,$(notdir $(trace_headers))) ; do \ echo -n " ext4$$i"; \ sed $(strip $(ldiskfs_sed_flags)) \ linux-stage/include/trace/events/ext4$$i \ > trace/events/ldiskfs$$i ; \ done for i in $(notdir $(linux_new_headers)) ; do \ echo -n " $$i"; \ sed $(strip $(ldiskfs_sed_flags)) \ linux-stage/include/linux/$$i \ > linux/$$i ; \ done @echo touch sources foo-check: @echo "ldiskfs_sources: $(ldiskfs_sources)" @echo "ldiskfs_SOURCES: $(ldiskfs_SOURCES)" @echo "ldiskfs_headers: $(ldiskfs_headers)" @echo "ldiskfs_objects: $(ldiskfs_objects)" @echo "ldiskfs_OBJECTS: $(ldiskfs_OBJECTS)" @echo "ldiskfs_LDADD: $(ldiskfs_LDADD)" MOSTLYCLEANFILES := @MOSTLYCLEANFILES@ CLEANFILES = sources $(notdir $(linux_new_headers) $(linux_headers) $(backfs_headers) $(backfs_sources) $(new_sources) $(new_headers) $(trace_headers)) clean-local: rm -rf linux linux-stage ldiskfs*.h trace modules.order