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 "fixes" 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 = 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 extN-noread.diff
  20 EXTNP+= extN-wantedi.diff
  21 EXTNC = balloc.c bitmap.c dir.c file.c fsync.c ialloc.c inode.c ioctl.c
  22 EXTNC+= namei.c super.c symlink.c
  23 EXTNI = extN_fs.h extN_fs_i.h extN_fs_sb.h extN_jbd.h quotaops.h
  24 EXTN_EXTRA = include/linux/xattr.h include/linux/extN_xattr.h fs/extN/xattr.c
  25 EXTN_EXTRA += include/linux/quotaops.h
  26 extN_SOURCES = $(EXTNC) xattr.c # punch.c
  27 extN_DEPENDENCIES = patch-stamp
  28 EXTRA_DIST = $(EXTNP) $(EXTN_FIXES) \
  29         extN-2.4.18-ino_sb_fixup.diff extN-2.4.18-exports.diff \
  30         $(wildcard extN.patch-*)
  31 DISTCLEANFILES = -r $(extN_SOURCES) sed-stamp patch-stamp *.orig *.rej
  32 SUB=-e "s/ext3/extN/g" -e "s/EXT3/EXTN/g" -e "s/extern __inline__/static inline/"
  33
  34 distclean:
  35         cd .. && rm -f $(EXTN_EXTRA)
  36
  37 include $(top_srcdir)/Rules
  38
  39 # Following 2 vars are for buildind outside the source tree.
  40 extN_orig = $(top_builddir)/$(subdir)/extN.orig
  41 extN_include_orig = $(top_builddir)/$(subdir)/extN-include.orig
  42
  43 # Create a fresh extN patch.
  44 # This is for when the patch-stamp target fails for your kernel.
  45 # Just edit the files until you like them, then do `make diff', and
  46 # it will create a specialized patch for your particular kernel.
  47 # Check it in, and the build should work for you without disrupting
  48 # the other developers.
  49 # Of course, the ideal is to merge changes so that the default patch
  50 # set works for nearly everybody.  This is mainly for damage control.
  51
  52 diff:
  53         $(RM) extN.patchT
  54         l='$(EXTNC)'; for f in $$l; do                                        \
  55           echo "$$f";                                                         \
  56           (diff -u $(extN_orig)/$$f extN/$$f) >> extN.patchT;                 \
  57           test $$? -le 1 || exit 1;                                           \
  58         done
  59         l='$(EXTNI)'; for f in $$l; do                                        \
  60           echo "$$f";                                                         \
  61           (diff -u $(extN_include_orig)/$$f $(top_srcdir)/include/linux/$$f)>>extN.patchT;\
  62           test $$? -le 1 || exit 1;                                           \
  63         done
  64         l='$(EXTN_EXTRA)'; for f in $$l; do                                   \
  65           f=`echo "$$f" | sed 's%^fs/%%'`;                                    \
  66           echo "$$f";                                                         \
  67           (cd $(top_srcdir) &&                                                \
  68             diff -u /dev/null $$f) >> extN.patchT;                            \
  69           test $$? -le 1 || exit 1;                                           \
  70         done
  71         mv -f extN.patchT $(top_builddir)/$(subdir)/extN.patch-$(RELEASE)
  72         echo "Don't forget to add $(srcdir)/extN.patch-$(RELEASE) to CVS!"
  73
  74 .PHONY: diff
  75
  76 # Just do the SUB transformation on all our source files.
  77 sed-stamp:
  78         $(RM) $@
  79         rm -rf $(extN_orig) $(extN_include_orig)
  80         mkdir $(extN_orig) $(extN_include_orig)
  81         list='$(EXTNC)'; for f in $$list; do                                  \
  82           echo "creating $(extN_orig)/$$f";                             \
  83           sed $(SUB) $(LINUX)/fs/ext3/$$f > $(extN_orig)/$$f; \
  84         done
  85         list='$(EXTNI)'; for i in $$list; do                                  \
  86           s=`echo $$i | sed "s/extN/ext3/"`;                                  \
  87           echo "creating $(extN_include_orig)/$$i"; \
  88           sed $(SUB) $(LINUX)/include/linux/$$s > $(extN_include_orig)/$$i; \
  89         done
  90         echo timestamp > $@
  91
  92
  93 # Patch the kernel files with our ext3 patches.  We need to go through some
  94 # extra hoops because the include files are in a different tree and because
  95 # patch likes to make local copies of files with (sym)links when it is patching
  96 # them.  To avoid this, we copy/patch in the source dir instead of the build
  97 # dir (if they are different).
  98 # We also want to preserve the pristine transformed files for the diff target.
  99
 100
 101
 102 patch-stamp: sed-stamp $(EXTNP)
 103         test -e $(top_builddir)/include/linux || mkdir -p $(top_builddir)/include/linux
 104         cp -a $(extN_orig)/* $(top_builddir)/$(subdir)
 105         cp -a $(extN_include_orig)/* $(top_builddir)/include/linux
 106         test -e $(top_builddir)/fs || ln -s . $(top_builddir)/fs
 107         list='$(EXTN_EXTRA)'; for f in $$list; do $(RM) $(top_builddir)/$$f; done
 108         if [ -f $(srcdir)/extN.patch-$(RELEASE) ]; then                       \
 109           echo "applying patch $(srcdir)/extN.patch-$(RELEASE)";              \
 110           (cd $(top_builddir) && patch -p0) < $(srcdir)/extN.patch-$(RELEASE);  \
 111         else                                                                  \
 112           echo "If first patch fails, read NOTE in extN/Makefile.am";         \
 113           list='$(EXTNP)'; \
 114           sed '/i_version/q' $(extN_orig)/namei.c | tail -2 |          \
 115             grep extN_mark_inode_dirty >/dev/null && list="$(EXTN_FIXES) $$list"; \
 116           for p in $$list; do                                                 \
 117             echo "applying patch $$p";                                        \
 118             sed $(SUB) $(srcdir)/$$p |                                        \
 119               (cd $(top_builddir) && patch -p1) || exit $$?;                    \
 120           done;                                                               \
 121           echo "It is OK if the next patch says it is already applied";       \
 122           echo "applying patch $(srcdir)/extN-2.4.18-exports.diff";           \
 123           (cd $(top_builddir) &&                                              \
 124             patch -N -p1) < $(srcdir)/extN-2.4.18-exports.diff;               \
 125           echo "applying patch $(srcdir)/extN-2.4.18-ino_sb_fix.diff";        \
 126           (cd $(top_builddir) &&                                              \
 127             patch -p1) < $(srcdir)/extN-2.4.18-ino_sb_fixup.diff || exit $$?; \
 128         fi
 129         echo timestamp > $@
 130
 131
 132
 133
 134 $(extN_SOURCES) $(EXTNI) $(EXTN_EXTRA): patch-stamp
 135
 136 # Don't distribute any patched files.
 137 dist-hook:
 138         $(RM) $(top_srcdir)/fs
 139         list='$(EXTNC)'; for f in $$list; do $(RM) $(distdir)/$$f; done
 140         list='$(EXTNI)'; for i in $$list; do                                  \
 141           $(RM) $(distdir)/../include/linux/$$i;                              \
 142         done
 143         list='$(EXTN_EXTRA)'; for f in $$list; do $(RM) $(distdir)/../$$f; done