ldiskfs/autoMakefile.am

   1 EXTRA_DIST = kernel_patches
   2
   3 if MODULES
   4 if LDISKFS_ENABLED
   5 all-local: sources
   6
   7 modulefs_DATA = ldiskfs$(KMODEXT)
   8
   9 ldiskfs$(KMODEXT): sources
  10 endif
  11 endif
  12
  13 ldiskfs_linux_headers := $(addprefix linux/,$(subst ext4,ldiskfs,$(notdir $(linux_headers))))
  14
  15 $(filter %.c,$(ldiskfs_patched_sources)): sources $(ldiskfs_linux_headers) $(filter %.h,$(ldiskfs_patched_sources))
  16
  17 # Convert LDISKFS_SUPER_MAGIC back to EXT4_SUPER_MAGIC so that the ldiskfs
  18 # code can use the existing kernel headers instead of defining this itself.
  19 ldiskfs_sed_flags = \
  20         -e "s/dx_hash_info/ext4_dx_hash_info/g" \
  21         -e "s/DX_HASH/EXT4_DX_HASH/g" \
  22         -e "s/EXT4/LDISKFS/g" -e "s/ext4/ldiskfs/g" \
  23         -e "s/LDISKFS_SUPER_MAGIC/EXT4_SUPER_MAGIC/g"
  24
  25 %.c: linux-stage/fs/ext4/%.c
  26         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  27
  28 %.h: linux-stage/fs/ext4/%.h
  29         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  30
  31 linux/ldiskfs%.h: linux-stage/include/linux/ext4%.h
  32         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  33
  34 series := @top_srcdir@/ldiskfs/kernel_patches/series/ldiskfs-$(LDISKFS_SERIES)
  35 patches := @top_srcdir@/ldiskfs/kernel_patches/patches
  36
  37 sources: $(backfs_sources) $(backfs_headers) $(linux_headers) $(series) $(trace_headers)
  38         rm -rf linux-stage linux sources trace $(ldiskfs_SOURCES)
  39         mkdir -p linux-stage/fs/ext4 linux-stage/include/linux \
  40                  linux-stage/include/trace/events
  41         cp $(backfs_sources) $(backfs_headers) $(backfs_extra) linux-stage/fs/ext4
  42         if test -n "$(linux_headers)" ; then \
  43                 cp $(linux_headers) linux-stage/include/linux; \
  44         fi
  45         if test -n "$(trace_headers)" ; then \
  46                 cp $(trace_headers) linux-stage/include/trace/events; \
  47         fi
  48 if USE_QUILT
  49         ln -s ../$(patches) linux-stage/patches
  50         ln -s ../$(series) linux-stage/series
  51         cd linux-stage && quilt push -a -q
  52 else
  53         @echo -n "Applying ext4 patches:"
  54         @cd linux-stage && for i in $$(<../$(series)) ; do \
  55                 echo -n " $$i" ; \
  56                 patch -s -p1 < ../$(patches)/$$i || exit 1 ; \
  57         done
  58         @echo
  59 endif
  60         mkdir -p linux trace/events
  61         @echo -n "Replacing 'ext4' with 'ldiskfs':"
  62         for i in $(notdir $(backfs_headers) $(backfs_sources)) $(new_sources) ; do \
  63                 echo -n " $$i" ; \
  64                 sed $(strip $(ldiskfs_sed_flags)) \
  65                         linux-stage/fs/ext4/$$i > $$i ; \
  66         done
  67         for i in $(subst ext4,,$(notdir $(backfs_headers))) ; do \
  68                 if test -f "ext4$$i" ; then \
  69                         echo -n " ext4$$i" ; \
  70                         mv ext4$$i ldiskfs$$i ; \
  71                 fi ; \
  72         done
  73         for i in $(subst ext4,,$(notdir $(linux_headers) $(new_headers))) ; do \
  74                 echo -n " ext4$$i" ; \
  75                 sed $(strip $(ldiskfs_sed_flags)) \
  76                         linux-stage/include/linux/ext4$$i \
  77                         > linux/ldiskfs$$i ; \
  78         done
  79         for i in $(subst ext4,,$(notdir $(trace_headers))) ; do \
  80                 echo -n " ext4$$i"; \
  81                 sed $(strip $(ldiskfs_sed_flags)) \
  82                         linux-stage/include/trace/events/ext4$$i \
  83                         > trace/events/ldiskfs$$i ; \
  84         done
  85         for i in $(notdir $(linux_new_headers)) ; do \
  86                 echo -n " $$i"; \
  87                 sed $(strip $(ldiskfs_sed_flags)) \
  88                 linux-stage/include/linux/$$i \
  89                 > linux/$$i ; \
  90         done
  91
  92         @echo
  93         touch sources
  94
  95 foo-check:
  96         @echo "ldiskfs_sources: $(ldiskfs_sources)"
  97         @echo "ldiskfs_SOURCES: $(ldiskfs_SOURCES)"
  98         @echo "ldiskfs_headers: $(ldiskfs_headers)"
  99         @echo "ldiskfs_objects: $(ldiskfs_objects)"
 100         @echo "ldiskfs_OBJECTS: $(ldiskfs_OBJECTS)"
 101         @echo "ldiskfs_LDADD: $(ldiskfs_LDADD)"
 102
 103 MOSTLYCLEANFILES := @MOSTLYCLEANFILES@
 104 CLEANFILES = sources $(notdir $(linux_new_headers) $(linux_headers) $(backfs_headers) $(backfs_sources) $(new_sources) $(new_headers) $(trace_headers))
 105
 106 clean-local:
 107         rm -rf linux linux-stage ldiskfs*.h trace modules.order