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 EXTNP =
  12 # NOTE: If you are not using a RedHat 12.5 or later kernel, then you need to
  13 #       apply the following patch first, as it fixes a number of bugs in ext3.
  14 #       You can either apply it as part of the extN build by uncommenting the
  15 #       line below, or apply it to the source kernel tree and fix ext3 also.
  16 # EXTNP = ext3-2.4.18-fixes.diff
  17 EXTNP+= htree-ext3-2.4.18.diff linux-2.4.18ea-0.8.26.diff
  18 EXTNP+= ext3-2.4.18-ino_sb_macro.diff extN-misc-fixup.diff
  19 EXTNC = balloc.c bitmap.c dir.c file.c fsync.c ialloc.c inode.c ioctl.c
  20 EXTNC+= namei.c super.c symlink.c
  21 EXTNI = extN_fs.h extN_fs_i.h extN_fs_sb.h extN_jbd.h
  22 EXTN_EXTRA = include/linux/xattr.h include/linux/extN_xattr.h fs/extN/xattr.c fs/extN/hash.c include/linux/extN_fs.h
  23 extN_SOURCES = $(EXTNC) xattr.c # punch.c
  24 extN_DEPENDENCIES = patch-stamp
  25 EXTRA_DIST = $(EXTNP) extN-2.4.18-ino_sb_fixup.diff extN-2.4.18-exports.diff \
  26         $(wildcard extN.patch-*)
  27 DISTCLEANFILES = $(extN_SOURCES) sed-stamp patch-stamp *.orig *.rej
  28 SUB=-e "s/ext3/extN/g" -e "s/EXT3/EXTN/g"
  29
  30 include $(top_srcdir)/Rules
  31
  32 # Create a fresh extN patch.
  33 # This is for when the patch-stamp target fails for your kernel.
  34 # Just edit the files until you like them, then do `make diff', and
  35 # it will create a specialized patch for your particular kernel.
  36 # Check it in, and the build should work for you without disrupting
  37 # the other developers.
  38 # Of course, the ideal is to merge changes so that the default patch
  39 # set works for nearly everybody.  This is mainly for damage control.
  40 diff:
  41         $(RM) extN.patchT
  42         -for f in $(EXTNC); do (cd $(top_srcdir) && diff -u extN/extN.orig/$$f extN/$$f) >> extN.patchT; done
  43         -for f in $(EXTNI); do (cd $(top_srcdir) && diff -u extN/extN.orig-include/$$f include/linux/$$f) >> extN.patchT; done
  44         mv -f extN.patchT $(srcdir)/extN.patch-$(RELEASE)
  45         f=extN.patch-$(RELEASE); if cvs update $$f 2>&1 | grep 'cvs add' >/dev/null; then \
  46           cvs add $$f; \
  47         fi
  48 .PHONY: diff
  49
  50 # Just do the SUB transformation on all our source files.
  51 sed-stamp:
  52         $(RM) $@
  53         rm -rf extN.orig extN.orig-include
  54         mkdir extN.orig extN.orig-include
  55         set -vx;                                                              \
  56         list='$(EXTNC)'; for f in $$list; do                                  \
  57         sed $(SUB) $(LINUX)/fs/ext3/$$f > extN.orig/$$f;                  \
  58         done
  59         set -vx;                                                              \
  60         list='$(EXTNI)'; for i in $$list; do                                  \
  61         s=`echo $$i | sed "s/extN/ext3/"`;                                    \
  62         sed $(SUB) $(LINUX)/include/linux/$$s >                               \
  63                 extN.orig-include/$$i;                              \
  64         done
  65         echo timestamp > $@
  66
  67 # Patch the kernel files with our ext3 patches.  We need to go through some
  68 # extra hoops because the include files are in a different tree and because
  69 # patch likes to make local copies of files with (sym)links when it is patching
  70 # them.  To avoid this, we copy/patch in the source dir instead of the build
  71 # dir (if they are different).
  72 # We also want to preserve the pristine transformed files for the diff target.
  73 patch-stamp: sed-stamp $(EXTNP)
  74         cp -a extN.orig/* $(srcdir)
  75         cp -a extN.orig-include/* $(top_srcdir)/include/linux
  76         test -e $(top_srcdir)/fs || ln -s . $(top_srcdir)/fs
  77         set -vx;                                                              \
  78         if [ -f $(srcdir)/extN.patch-$(RELEASE) ]; then                       \
  79                 (cd $(top_srcdir) && patch -p0) < $(srcdir)/extN.patch-$(RELEASE);                  \
  80         else                                                                  \
  81                 echo "If first patch fails, read NOTE in extN/Makefile.am";   \
  82                 list='$(EXTNP)'; for p in $$list; do                          \
  83                 sed $(SUB) $(srcdir)/$$p | (cd $(top_srcdir) && patch -p1) || exit $$?;\
  84                 done;                                                         \
  85                 echo "It is OK if the following patch fails";                 \
  86                 (cd $(top_srcdir) && patch -N -p1) < $(srcdir)/extN-2.4.18-exports.diff; \
  87                 (cd $(top_srcdir) && patch -p1) < $(srcdir)/extN-2.4.18-ino_sb_fixup.diff || exit $$?; \
  88         fi
  89         echo timestamp > $@
  90
  91 $(extN_SOURCES) $(EXTNI) $(EXTN_EXTRA): patch-stamp
  92
  93 # Don't distribute any patched files.
  94 dist-hook:
  95         $(RM) $(top_srcdir)/fs
  96         list='$(EXTNC)'; for f in $$list; do $(RM) $(distdir)/$$f; done
  97         list='$(EXTNI)'; for i in $$list; do                                  \
  98                 $(RM) $(distdir)/../include/linux/$$i;                        \
  99         done
 100         list='$(EXTN_EXTRA)'; for f in $$list; do $(RM) $(distdir)/../$$f; done