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