added more precise source tree version detection

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 50dd8d4..23e40da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,39 +1,50 @@
 AC_INIT([libopkele], [0.3], [libopkele-bugs@klever.net])
 AC_CONFIG_SRCDIR([include/opkele/opkele-config.h])
 AC_CONFIG_HEADERS([config.h include/opkele/acconfig.h])
 AM_INIT_AUTOMAKE([dist-bzip2])
 
 AC_PROG_INSTALL
 AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_LIBTOOL
 PKG_PROG_PKG_CONFIG
 
 AC_HEADER_STDC
 
 AC_PATH_PROG([XSLTPROC],[xsltproc],[true])
 
+AC_MSG_CHECKING([for source tree version])
+if headrev=$(cd $srcdir && git rev-parse --verify HEAD 2>/dev/null) ; then
+ PACKAGE_SRC_VERSION="${PACKAGE_VERSION}:$(cd $srcdir && git describe --tags $headrev)"
+ ( cd $srcdir && git diff-index $headrev | read dirt ) && PACKAGE_SRC_VERSION="${PACKAGE_SRC_VERSION}-dirty"
+else
+ PACKAGE_SRC_VERSION="$PACKAGE_VERSION"
+fi
+AC_MSG_RESULT([$PACKAGE_SRC_VERSION])
+AC_SUBST([PACKAGE_SRC_VERSION])
+AC_DEFINE_UNQUOTED([PACKAGE_SRC_VERSION],["$PACKAGE_SRC_VERSION"],[more or less precise source tree version])
+
 PKG_CHECK_MODULES([OPENSSL],[openssl],,[
  AC_MSG_ERROR([no openssl library found. get one from http://www.openssl.org/])
 ])
 
 WANT_KONFORKA="yes"
 AC_ARG_ENABLE([konforka],
  AC_HELP_STRING([--disable-konforka],[do not use konforka library (default: use if found)]),
  [
   test "${enableval}" = "no" && WANT_KONFORKA="no"
  ]
 )
 if test "${WANT_KONFORKA}" = "yes" ; then
  PKG_CHECK_MODULES([KONFORKA],[konforka],[
   AC_SUBST([KONFORKA_CFLAGS])
   AC_SUBST([KONFORKA_LIBS])
   AC_DEFINE([HAVE_KONFORKA],,[defined in presence of konforka library])
   AC_DEFINE([OPKELE_HAVE_KONFORKA],,[defined in presence of konforka library])
   AC_SUBST([KONFORKA_KONFORKA],[konforka])
  ],[true])
 fi
 
 WANT_DOXYGEN="yes"
 AC_ARG_ENABLE([doxygen],
  AC_HELP_STRING([--disable-doxygen],[do not generate documentation]),