lustre/extN/Makefile.am

   1 # Copyright (C) 2001  Cluster File Systems, Inc.
   2 #
   3 # This code is issued under the GNU General Public License.
   4 # See the file COPYING in this distribution
   5
   6 DEFS=-DEXPORT_SYMTAB
   7 MODULE = extN
   8 modulefs_DATA = extN.o
   9 EXTRA_PROGRAMS = extN
  10
  11 # NOTE: If you are not using a RedHat 12.5 or later kernel, then you need to
  12 #       apply the following patch first, as it fixes a number of bugs in ext3.
  13 #       It will be applied automatically by the extN build process, or you
  14 #       can apply it to the source kernel tree and fix ext3 also.  For chaos22
  15 #       (or other RH < 12.5 kernels) use the "chaos22" patch instead.
  16 #EXTN_FIXES = ../patches/patch-2.4.18-chaos22
  17 EXTN_FIXES = ext3-2.4.18-fixes.diff
  18 EXTNP = htree-ext3-2.4.18.diff linux-2.4.18ea-0.8.26.diff
  19 EXTNP+= ext3-2.4.18-ino_sb_macro.diff extN-misc-fixup.diff
  20 EXTNC = balloc.c bitmap.c dir.c file.c fsync.c ialloc.c inode.c ioctl.c
  21 EXTNC+= namei.c super.c symlink.c
  22 EXTNI = extN_fs.h extN_fs_i.h extN_fs_sb.h extN_jbd.h
  23 EXTN_EXTRA = include/linux/xattr.h include/linux/extN_xattr.h fs/extN/xattr.c
  24 extN_SOURCES = $(EXTNC) xattr.c # punch.c
  25 extN_DEPENDENCIES = patch-stamp
  26 EXTRA_DIST = $(EXTNP) $(EXTN_FIXES) \
  27         extN-2.4.18-ino_sb_fixup.diff extN-2.4.18-exports.diff \
  28         $(wildcard extN.patch-*)
  29 DISTCLEANFILES = -r $(extN_SOURCES) sed-stamp patch-stamp *.orig *.rej
  30 SUB=-e "s/ext3/extN/g" -e "s/EXT3/EXTN/g"
  31
  32 distclean:
  33         cd .. && rm -f $(EXTN_EXTRA)
  34
  35 include $(top_srcdir)/Rules
  36
  37 # Create a fresh extN patch.
  38 # This is for when the patch-stamp target fails for your kernel.
  39 # Just edit the files until you like them, then do `make diff', and
  40 # it will create a specialized patch for your particular kernel.
  41 # Check it in, and the build should work for you without disrupting
  42 # the other developers.
  43 # Of course, the ideal is to merge changes so that the default patch
  44 # set works for nearly everybody.  This is mainly for damage control.
  45 diff:
  46         $(RM) extN.patchT
  47         l='$(EXTNC)'; for f in $$l; do                                        \
  48           echo "$$f";                                                         \
  49           (cd $(top_srcdir) &&                                                \
  50             diff -u extN/extN.orig/$$f extN/$$f) >> extN.patchT;              \
  51           test $$? -le 1 || exit 1;                                           \
  52         done
  53         l='$(EXTNI)'; for f in $$l; do                                        \
  54           echo "$$f";                                                         \
  55           (cd $(top_srcdir) &&                                                \
  56             diff -u extN/extN-include.orig/$$f include/linux/$$f)>>extN.patchT;\
  57           test $$? -le 1 || exit 1;                                           \
  58         done
  59         l='$(EXTN_EXTRA)'; for f in $$l; do                                   \
  60           f=`echo "$$f" | sed 's%^fs/%%'`;                                    \
  61           echo "$$f";                                                         \
  62           (cd $(top_srcdir) &&                                                \
  63             diff -u /dev/null $$f) >> extN.patchT;                            \
  64           test $$? -le 1 || exit 1;                                           \
  65         done
  66         mv -f extN.patchT $(srcdir)/extN.patch-$(RELEASE)
  67         echo "Don't forget to add $(srcdir)/extN.patch-$(RELEASE) to CVS!"
  68 .PHONY: diff
  69
  70 # Just do the SUB transformation on all our source files.
  71 sed-stamp:
  72         $(RM) $@
  73         rm -rf extN.orig extN-include.orig
  74         mkdir extN.orig extN-include.orig
  75         list='$(EXTNC)'; for f in $$list; do                                  \
  76           echo "creating extN.orig/$$f";                                      \
  77           sed $(SUB) $(LINUX)/fs/ext3/$$f > extN.orig/$$f;                    \
  78         done
  79         list='$(EXTNI)'; for i in $$list; do                                  \
  80           s=`echo $$i | sed "s/extN/ext3/"`;                                  \
  81           echo "creating extN-include.orig/$$i";                              \
  82           sed $(SUB) $(LINUX)/include/linux/$$s > extN-include.orig/$$i;      \
  83         done
  84         echo timestamp > $@
  85
  86 # Patch the kernel files with our ext3 patches.  We need to go through some
  87 # extra hoops because the include files are in a different tree and because
  88 # patch likes to make local copies of files with (sym)links when it is patching
  89 # them.  To avoid this, we copy/patch in the source dir instead of the build
  90 # dir (if they are different).
  91 # We also want to preserve the pristine transformed files for the diff target.
  92 patch-stamp: sed-stamp $(EXTNP)
  93         cp -a extN.orig/* $(srcdir)
  94         cp -a extN-include.orig/* $(top_srcdir)/include/linux
  95         test -e $(top_srcdir)/fs || ln -s . $(top_srcdir)/fs
  96         list='$(EXTN_EXTRA)'; for f in $$list; do $(RM) $(top_srcdir)/$$f; done
  97         if [ -f $(srcdir)/extN.patch-$(RELEASE) ]; then                       \
  98           echo "applying patch $(srcdir)/extN.patch-$(RELEASE)";              \
  99           (cd $(top_srcdir) && patch -p0) < $(srcdir)/extN.patch-$(RELEASE);  \
 100         else                                                                  \
 101           echo "If first patch fails, read NOTE in extN/Makefile.am";         \
 102           list='$(EXTNP)'; \
 103           sed '/i_version/q' $(srcdir)/extN.orig/namei.c | tail -2 |          \
 104             grep extN_mark_inode_dirty >/dev/null && list="$(EXTN_FIXES) $$list"; \
 105           for p in $$list; do                                                 \
 106             echo "applying patch $$p";                                        \
 107             sed $(SUB) $(srcdir)/$$p |                                        \
 108               (cd $(top_srcdir) && patch -p1) || exit $$?;                    \
 109           done;                                                               \
 110           echo "It is OK if the next patch says it is already applied";       \
 111           echo "applying patch $(srcdir)/extN-2.4.18-exports.diff";           \
 112           (cd $(top_srcdir) &&                                                \
 113             patch -N -p1) < $(srcdir)/extN-2.4.18-exports.diff;               \
 114           echo "applying patch $(srcdir)/extN-2.4.18-ino_sb_fix.diff";        \
 115           (cd $(top_srcdir) &&                                                \
 116             patch -p1) < $(srcdir)/extN-2.4.18-ino_sb_fixup.diff || exit $$?; \
 117         fi
 118         echo timestamp > $@
 119
 120 $(extN_SOURCES) $(EXTNI) $(EXTN_EXTRA): patch-stamp
 121
 122 # Don't distribute any patched files.
 123 dist-hook:
 124         $(RM) $(top_srcdir)/fs
 125         list='$(EXTNC)'; for f in $$list; do $(RM) $(distdir)/$$f; done
 126         list='$(EXTNI)'; for i in $$list; do                                  \
 127           $(RM) $(distdir)/../include/linux/$$i;                              \
 128         done
 129         list='$(EXTN_EXTRA)'; for f in $$list; do $(RM) $(distdir)/../$$f; done