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# libguestfs
# Copyright (C) 2009 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
EXTRA_DIST = \
guestfs_protocol.x \
guestfs_protocol.c \
guestfs_protocol.h \
MAX_PROC_NR \
stamp-generator \
generator.ml
# Rerun the generator if it has changed.
# Git removes empty directories, so in cases where the
# generator is creating the sole file in a directory, we
# have to create the directory first.
noinst_DATA = stamp-generator
stamp-generator: generator.ml
mkdir -p $(top_srcdir)/perl/lib/Sys
cd .. && ocaml -warn-error A $(srcdir)/src/$<
guestfs_protocol.x: stamp-generator
include_HEADERS = guestfs.h guestfs-actions.h guestfs-structs.h
lib_LTLIBRARIES = libguestfs.la
# From the libtool info file, with comments:
#
# | 1. Start with version information of `0:0:0' for each libtool library.
# |
# | 2. Update the version information only immediately before a public
# | release of your software. More frequent updates are unnecessary,
# | and only guarantee that the current interface number gets larger
# | faster.
# |
# | 3. If the library source code has changed at all since the last
# | update, then increment REVISION (`C:R:A' becomes `C:r+1:A').
#
# [So it seems like we should always update the middle 'R' field
# for any release.]
#
# | 4. If any interfaces have been added, removed, or changed since the
# | last update, increment CURRENT, and set REVISION to 0.
# |
# | 5. If any interfaces have been added since the last public release,
# | then increment AGE.
#
# [These two rules seem to mean that if any change is made to the
# generator, we should increment C and A, and set R to 0, so:
# C+1:0:A+1.]
#
# | 6. If any interfaces have been removed since the last public release,
# | then set AGE to 0.
#
# [Our ABI guarantee means we won't remove interfaces except in
# very exceptional circumstances.]
#
# The maximum proc number (see guestfs_protocol.x:guestfs_procedure) is
# a mostly accurate stand-in for C & A in rules 5 & 6, so we use that. It
# is always incremented when we add a new appliance interface, and easy to
# calculate.
#
# The middle number is hard to increment-and-reset as described in rules
# 4 & 5, so for the moment it is always set to 0.
#
# Note that this scheme means the real library version will always be
# 'libguestfs.so.0.$(MAX_PROC_NR).0'.
libguestfs_la_LDFLAGS = -version-info $(MAX_PROC_NR):0:$(MAX_PROC_NR)
libguestfs_la_SOURCES = \
guestfs.c \
guestfs.h \
guestfs_protocol.c \
guestfs_protocol.h \
guestfs-actions.h \
guestfs-actions.c \
guestfs-bindtests.c \
gettext.h
libguestfs_la_CFLAGS = -Wall -DGUESTFS_DEFAULT_PATH='"$(libdir)/guestfs"'
if HAVE_RPCGEN
guestfs_protocol.c: guestfs_protocol.x
rm -f $@-t
$(RPCGEN) -c -o $@-t $<
mv $@-t $@
guestfs_protocol.h: guestfs_protocol.x
rm -f $@-t
$(RPCGEN) -h -o $@-t $<
mv $@-t $@
endif
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