Update deprecated autoconf macros and automatically derive version number from latest git tag

Author: nikias

autogen.sh

@@ -7,6 +7,12 @@ test -z "$srcdir" && srcdir=.
 (
   cd "$srcdir"
 
+  gprefix=`which glibtoolize 2>&1 >/dev/null`
+  if [ $? -eq 0 ]; then
+    glibtoolize --force
+  else
+    libtoolize --force
+  fi
   aclocal
   autoheader
   automake --add-missing

configure.ac

@@ -1,25 +1,30 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.64)
-AC_INIT([ifuse], [1.1.5], [https://github.com/libimobiledevice/ifuse/issues],, [https://libimobiledevice.org])
+AC_PREREQ(2.68)
+AC_INIT([ifuse], [m4_esyscmd(./git-version-gen $RELEASE_VERSION)], [https://github.com/libimobiledevice/ifuse/issues],, [https://libimobiledevice.org])
 AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip check-news])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 AC_CONFIG_SRCDIR([src/])
 AC_CONFIG_HEADERS([config.h])
 
+# Check if we have a version defined
+if test -z $PACKAGE_VERSION; then
+  AC_MSG_ERROR([PACKAGE_VERSION is not defined. Make sure to configure a source tree checked out from git or that .tarball-version is present.])
+fi
+
 # Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O
+LT_INIT
 
 # Checks for libraries.
 PKG_CHECK_MODULES(libimobiledevice, libimobiledevice-1.0 >= 1.3.0)
 PKG_CHECK_MODULES(libfuse, fuse3 >= 3.0.0)
 PKG_CHECK_MODULES(libplist, libplist-2.0 >= 2.2.0)
 
 # Checks for header files.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([arpa/inet.h stdint.h stdlib.h string.h])
+AC_CHECK_HEADERS([stdint.h stdlib.h string.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -36,17 +41,18 @@ AC_CHECK_FUNCS([strcasecmp strdup strerror strndup])
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
-AC_OUTPUT([
+AC_CONFIG_FILES([
 Makefile
 src/Makefile
 docs/Makefile
 ])
+AC_OUTPUT
 
 echo "
 Configuration for $PACKAGE $VERSION:
 -------------------------------------------
 
-  Install prefix ..........: $prefix
+  Install prefix: .........: $prefix
 
   Now type 'make' to build $PACKAGE $VERSION,
   and then 'make install' for installation.

git-version-gen

@@ -0,0 +1,20 @@
+#!/bin/sh
+SRCDIR=`dirname $0`
+if test -n "$1"; then
+  VER=$1
+else
+  if test -r "${SRCDIR}/.git" && test -x "`which git`" ; then
+    git update-index -q --refresh
+    if ! VER=`git describe --tags --dirty 2>/dev/null`; then
+      COMMIT=`git rev-parse --short HEAD`
+      DIRTY=`git diff --quiet HEAD || echo "-dirty"`
+      VER=`sed -n '1,/RE/s/Version \(.*\)/\1/p' ${SRCDIR}/NEWS`-git-${COMMIT}${DIRTY}
+    fi
+  else
+    if test -f "${SRCDIR}/.tarball-version"; then
+      VER=`cat "${SRCDIR}/.tarball-version"`
+    fi
+  fi
+fi
+VER=`printf %s "$VER" | head -n1`
+printf %s "$VER"