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 := \
  14     $(addprefix linux/,$(subst ext4,ldiskfs,$(notdir $(linux_headers)))) \
  15     $(addprefix uapi/linux/,$(subst ext4,ldiskfs,$(notdir $(uapi_linux_headers))))
  16
  17 $(filter %.c,$(ldiskfs_patched_sources)): \
  18     sources $(ldiskfs_linux_headers) $(filter %.h,$(ldiskfs_patched_sources))
  19
  20 # Convert LDISKFS_SUPER_MAGIC back to EXT4_SUPER_MAGIC so that the ldiskfs
  21 # code can use the existing kernel headers instead of defining this itself.
  22 ldiskfs_sed_flags = \
  23         -e "s/dx_hash_info/ext4_dx_hash_info/g" \
  24         -e "s/DX_HASH/EXT4_DX_HASH/g" \
  25         -e "s/EXT4/LDISKFS/g" -e "s/ext4/ldiskfs/g" \
  26         -e "s/LDISKFS_SUPER_MAGIC/EXT4_SUPER_MAGIC/g"
  27
  28 %.c: linux-stage/fs/ext4/%.c
  29         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  30
  31 %.h: linux-stage/fs/ext4/%.h
  32         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  33
  34 linux/ldiskfs%.h: linux-stage/include/linux/ext4%.h
  35         @echo sed $(strip $(ldiskfs_sed_flags)) $< '=>' $@
  36         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  37
  38 uapi/linux/ldiskfs%.h: linux-stage/include/uapi/linux/ext4%.h
  39         @echo sed $(strip $(ldiskfs_sed_flags)) $< '=>' $@
  40         sed $(strip $(ldiskfs_sed_flags)) $< > $@
  41
  42 series := @top_srcdir@/ldiskfs/kernel_patches/series/ldiskfs-$(LDISKFS_SERIES)
  43 patches := @top_srcdir@/ldiskfs/kernel_patches/patches
  44
  45 sources: $(backfs_sources) $(backfs_headers) $(linux_headers) $(uapi_linux_headers) $(series) $(trace_headers)
  46         rm -rf linux-stage uapi linux sources trace $(ldiskfs_SOURCES)
  47         mkdir -p linux-stage/fs/ext4 linux-stage/include/linux \
  48                  linux-stage/include/uapi/linux \
  49                  linux-stage/include/trace/events
  50         cp $(backfs_sources) $(backfs_headers) $(backfs_extra) linux-stage/fs/ext4
  51         if test -n "$(linux_headers)" ; then \
  52                 cp $(linux_headers) linux-stage/include/linux; \
  53         fi
  54         if test -n "$(uapi_linux_headers)" ; then \
  55                 cp $(uapi_linux_headers) linux-stage/include/uapi/linux; \
  56         fi
  57         if test -n "$(trace_headers)" ; then \
  58                 cp $(trace_headers) linux-stage/include/trace/events; \
  59         fi
  60 if USE_QUILT
  61         ln -s ../$(patches) linux-stage/patches
  62         ln -s ../$(series) linux-stage/series
  63         cd linux-stage && quilt push -a -q
  64 else
  65         @echo -n "Applying ext4 patches:"
  66         @cd linux-stage && for i in $$(<../$(series)) ; do \
  67                 echo -n " $$i" ; \
  68                 patch -s -p1 < ../$(patches)/$$i || exit 1 ; \
  69         done
  70         @echo
  71 endif
  72         mkdir -p uapi/linux linux trace/events
  73         @echo -n "Replacing 'ext4' with 'ldiskfs':"
  74         for i in $(notdir $(backfs_headers) $(backfs_sources)) $(new_sources) ; do \
  75                 [ -f linux-stage/fs/ext4/$$i ] || continue; \
  76                 echo -n " $$i" ; \
  77                 sed $(strip $(ldiskfs_sed_flags)) \
  78                         linux-stage/fs/ext4/$$i > $$i ; \
  79         done
  80         for i in $(subst ext4,,$(notdir $(backfs_headers))) ; do \
  81                 if test -f "ext4$$i" ; then \
  82                         echo -n " ext4$$i" ; \
  83                         mv ext4$$i ldiskfs$$i ; \
  84                 fi ; \
  85         done
  86         for i in $(subst ext4,,$(notdir $(uapi_linux_headers))) ; do \
  87                 echo -n " ext4$$i" ; \
  88                 sed $(strip $(ldiskfs_sed_flags)) \
  89                         linux-stage/include/uapi/linux/ext4$$i \
  90                         > uapi/linux/ldiskfs$$i ; \
  91         done
  92         for i in $(subst ext4,,$(notdir $(linux_headers) $(new_headers))) ; do \
  93                 echo -n " ext4$$i" ; \
  94                 sed $(strip $(ldiskfs_sed_flags)) \
  95                         linux-stage/include/linux/ext4$$i \
  96                         > linux/ldiskfs$$i ; \
  97         done
  98         for i in $(subst ext4,,$(notdir $(trace_headers))) ; do \
  99                 echo -n " ext4$$i"; \
 100                 sed $(strip $(ldiskfs_sed_flags)) \
 101                         linux-stage/include/trace/events/ext4$$i \
 102                         > trace/events/ldiskfs$$i ; \
 103         done
 104         for i in $(notdir $(linux_new_headers)) ; do \
 105                 echo -n " $$i"; \
 106                 sed $(strip $(ldiskfs_sed_flags)) \
 107                         linux-stage/include/linux/$$i \
 108                 > linux/$$i ; \
 109         done
 110         @echo
 111         touch sources
 112
 113 foo-check:
 114         @echo "ldiskfs_sources: $(ldiskfs_sources)"
 115         @echo "ldiskfs_SOURCES: $(ldiskfs_SOURCES)"
 116         @echo "ldiskfs_headers: $(ldiskfs_headers)"
 117         @echo "ldiskfs_objects: $(ldiskfs_objects)"
 118         @echo "ldiskfs_OBJECTS: $(ldiskfs_OBJECTS)"
 119         @echo "ldiskfs_LDADD: $(ldiskfs_LDADD)"
 120
 121 MOSTLYCLEANFILES := @MOSTLYCLEANFILES@
 122 CLEANFILES = sources $(notdir $(linux_new_headers) $(linux_headers) $(backfs_headers) $(backfs_sources) $(new_sources) $(new_headers) $(trace_headers))
 123
 124 clean-local:
 125         rm -rf linux linux-stage ldiskfs*.h trace modules.order