as-version.m4

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dnl version.m4 0.0.5
dnl autostars m4 macro for versioning
dnl [e-mail]
dnl
dnl AS_VERSION(PACKAGE, PREFIX, MAJOR, MINOR, MICRO, NANO, ACTION_IF_NO_NANO, ACTION_IF_NANO)
dnl example
dnl AS_VERSION(gstreamer, GST_VERSION, 0, 3, 2,)
dnl for a 0.3.2 release version
dnl
dnl this macro
dnl - defines [$PREFIX]_MAJOR, MINOR and MICRO
dnl - if NANO is empty, then we're in release mode, else in cvs/dev mode
dnl - defines [$PREFIX], VERSION, and [$PREFIX]_RELEASE
dnl - executes the relevant action
dnl - AC_SUBST's PACKAGE, VERSION, [$PREFIX] and [$PREFIX]_RELEASE
dnl   as well as the little ones
dnl - doesn't call AM_INIT_AUTOMAKE anymore because it prevents
dnl   maintainer mode from running ok
dnl
dnl don't forget to put #undef [$2] and [$2]_RELEASE in acconfig.h

AC_DEFUN(AS_VERSION,
[
  PACKAGE=[$1]
  [$2]_MAJOR=[$3]
  [$2]_MINOR=[$4]
  [$2]_MICRO=[$5]
  NANO=[$6]
  if test "x$NANO" = "x" || test "x$NANO" = "x0";
  then
      AC_MSG_NOTICE(configuring [$1] for release)
      VERSION=[$3].[$4].[$5]
      [$2]_RELEASE=1
      dnl execute action
      ifelse([$7], , :, [$7])
  else
      AC_MSG_NOTICE(configuring [$1] for development with nano $NANO)
      VERSION=[$3].[$4].[$5].$NANO
      [$2]_RELEASE=`date +%Y%m%d_%H%M%S`
      dnl execute action
      ifelse([$8], , :, [$8])
  fi

  [$2]=$VERSION
  AC_DEFINE_UNQUOTED([$2], "$[$2]", [Define the version])
  AC_SUBST([$2])
  AC_DEFINE_UNQUOTED([$2]_RELEASE, "$[$2]_RELEASE", [Define the release version])
  AC_SUBST([$2]_RELEASE)

  AC_SUBST([$2]_MAJOR)
  AC_SUBST([$2]_MINOR)
  AC_SUBST([$2]_MICRO)
  AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define the package name])
  AC_SUBST(PACKAGE)
  AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Define the version])
  AC_SUBST(VERSION)
])