[network-manager-vpnc] build: don't include the full path to a plugin by default

[Lubomir Rintel <lkundrak src gnome org>]

commit 912812a5b902d72c0f88272dc7500722fdf1ecda
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Wed Apr 20 19:15:15 2016 +0200

    build: don't include the full path to a plugin by default
    
    Makes packagers a bit less sad. We always keep the full paths in /etc for
    compatibility.

 Makefile.am  |   16 +++++++++++++---
 configure.ac |    4 ++++
 2 files changed, 17 insertions(+), 3 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index c059bb3..30a9969 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,8 +13,18 @@ nmvpnservicedir = $(NM_VPN_SERVICE_DIR)
 nmvpnservice_DATA = nm-vpnc-service.name
 
 if WITH_LIBNM_GLIB
-nmvpnoldservicedir = $(sysconfdir)/NetworkManager/VPN
-nmvpnoldservice_DATA = nm-vpnc-service.name
+# Install a file with full path to plugins for an old gnome-shell
+# https://bugzilla.gnome.org/show_bug.cgi?id=693590
+install-data-hook:
+       mkdir -p $(DESTDIR)$(sysconfdir)/NetworkManager/VPN
+       sed -e "1s|^|# This file is obsoleted by a file in $(NM_VPN_SERVICE_DIR)\n\n|" \
+           -e 's|[ ]LIBEXECDIR[@]|$(libexecdir)|g' \
+           -e 's|[ ]PLUGINDIR[@]|$(libdir)/NetworkManager|g' \
+           <$(srcdir)/nm-vpnc-service.name.in \
+           >$(DESTDIR)$(sysconfdir)/NetworkManager/VPN/nm-vpnc-service.name
+
+uninstall-hook:
+        rm -f $(DESTDIR)$(sysconfdir)/NetworkManager/VPN/nm-vpnc-service.name
 endif
 
 appdatadir = $(datadir)/appdata
@@ -24,7 +34,7 @@ appdata_in_files = appdata/network-manager-vpnc.appdata.xml.in
 
 nm-vpnc-service.name: $(srcdir)/nm-vpnc-service.name.in
        sed -e 's|[ ]LIBEXECDIR[@]|$(libexecdir)|g' \
-           -e 's|[ ]PLUGINDIR[@]|$(libdir)/NetworkManager|g' \
+           -e 's|[ ]PLUGINDIR[@]/|@NM_PLUGIN_DIR@|g' \
            $< >$@
 
 DISTCHECK_CONFIGURE_FLAGS = \
diff --git a/configure.ac b/configure.ac
index 578970d..f90712e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,7 @@ AC_ARG_WITH(gnome, AS_HELP_STRING([--without-gnome], [Build NetworkManager-vpnc
 AM_CONDITIONAL(WITH_GNOME, test x"$with_gnome" != xno)
 AC_ARG_WITH(libnm-glib, AS_HELP_STRING([--without-libnm-glib], [Build NetworkManager-vpnc without libnm-glib 
comatibility]))
 AM_CONDITIONAL(WITH_LIBNM_GLIB, test x"$with_libnm_glib" != xno)
+AC_ARG_ENABLE(absolute-paths, AS_HELP_STRING([--enable-absolute-paths], [Use absolute paths to in .name 
files. Useful for development. (default is no)]))
 
 dnl ensure that when the Automake generated makefile calls aclocal,
 dnl it honours the $ACLOCAL_FLAGS environment variable
@@ -95,6 +96,9 @@ AC_SUBST(NM_VPN_SERVICE_DIR)
 
 NM_COMPILER_WARNINGS
 
+test x"$enable_absolute_paths" = x"yes" && NM_PLUGIN_DIR='$(libdir)/NetworkManager/'
+AC_SUBST(NM_PLUGIN_DIR)
+
 dnl
 dnl Tests
 dnl