Simplify package version management

This mostly fixes .pc generation from a `make dist` tarball

Makefile.am

@@ -4,7 +4,6 @@ DISTCLEANFILES = @DOLT_CLEANFILES@
 
 EXTRA_DIST = \
 	abi_version.sh \
-	package_version.sh \
 	contrib/spnego/spnego.asn1 \
 	contrib/spnego/spnego_asn1.c \
 	src/libdsm.sym

configure.ac

@@ -1,8 +1,12 @@
 AC_PREREQ([2.53])
 
+m4_define([BDSM_MAJOR], [0])
+m4_define([BDSM_MINOR], [3])
+m4_define([BDSM_MICRO], [0])
+
 AC_COPYRIGHT([Copyright 2014-2018 VideoLabs])
 
-AC_INIT([libdsm], [m4_esyscmd([./package_version.sh])], [], [libdsm], [])
+AC_INIT([libdsm], [BDSM_MAJOR.BDSM_MINOR.BDSM_MICRO], [], [libdsm], [])
 AC_CONFIG_HEADER(config.h)
 AC_CONFIG_SRCDIR([include/bdsm.h])
 AC_CONFIG_LIBOBJ_DIR([compat])
@@ -14,14 +18,11 @@ m4_ifdef([AM_SILENT_RULES], [
 AC_CANONICAL_HOST
 
 BDSM_ABI_VERSION=m4_esyscmd([./abi_version.sh])
-BDSM_PACKAGE_VERSION=m4_esyscmd([./package_version.sh])
 BDSM_LIBTOOL_VERSION=m4_esyscmd([./abi_version.sh -libtool])
 
 AC_SUBST(BDSM_ABI_VERSION)
-AC_SUBST(BDSM_PACKAGE_VERSION)
 AC_SUBST(BDSM_LIBTOOL_VERSION)
 
-AC_MSG_NOTICE([dsm package version: $BDSM_PACKAGE_VERSION])
 AC_MSG_NOTICE([dsm ABI version: $BDSM_ABI_VERSION])
 
 AC_PROG_CC_C99

libdsm.pc.in

@@ -5,7 +5,7 @@ includedir=${prefix}/include
 
 Name: libdsm
 Description: Minimalist and read-only smb client library
-Version: @BDSM_PACKAGE_VERSION@
+Version: @PACKAGE_VERSION@
 Cflags: -I${includedir} @PTHREAD_CFLAGS@
 Libs: -L${libdir} -ldsm
 Libs.private: @LIBICONV@ -ltasn1 @PTHREAD_LIBS@ @BDSM_LIB_LOG@ @SOCKET_LIBS@

package_version.sh

@@ -1,40 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2013 Luca Barbato
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom
-# the Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-# IN THE SOFTWARE.
-
-if [ -d .git ]; then
-    #  Retrieve the version from the last git tag.
-    VER=`git describe --always | sed -e "s:v::"`
-    if [ x"`git diff-index --name-only HEAD`" != x ]; then
-        #  If the sources have been changed locally, add -dirty to the version.
-        VER="${VER}-dirty"
-    fi
-elif [ -f .version ]; then
-    #  If git is not available (e.g. when building from source package)
-    #  we can extract the package version from .version file.
-    VER=`< .version`
-else
-    #  The package version cannot be retrieved.
-    VER="Unknown"
-fi
-
-printf '%s' "$VER"
-
-