Add LIBSYSTEMD to the list of supported features

* configure.ac: Add LIBSYSTEMD to EMACS_CONFIG_FEATURES and print a
message at the end of configure stating whether Emacs will be build
with libsystemd support.

diff --git a/configure.ac b/configure.ac
index 1cd9017d19fec57469e73f19ed413328469f3e30..5a6a72a0263ad8b3ed8452d30957c83ca115c8be 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5207,7 +5207,7 @@ emacs_config_features=
 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
   GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
   LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
-  XWIDGETS; do
+  XWIDGETS LIBSYSTEMD; do
 
     case $opt in
       NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
@@ -5254,6 +5254,7 @@ AS_ECHO(["  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D
   Does Emacs use -lm17n-flt?                              ${HAVE_M17N_FLT}
   Does Emacs use -lotf?                                   ${HAVE_LIBOTF}
   Does Emacs use -lxft?                                   ${HAVE_XFT}
+  Does Emacs use -lsystemd?                               ${HAVE_LIBSYSTEMD}
   Does Emacs directly use zlib?                           ${HAVE_ZLIB}
   Does Emacs have dynamic modules support?                ${HAVE_MODULES}
   Does Emacs use toolkit scroll bars?                     ${USE_TOOLKIT_SCROLL_BARS}