[empathy] Do not install MC plugins into MC's prefix

[Xavier Claessens <xclaesse src gnome org>]

commit 4d3c3a8e211febcbbd71ce451c7eb9cd67eecd85
Author: Xavier Claessens <xavier claessens collabora co uk>
Date:   Mon Jul 23 15:27:20 2012 +0200

    Do not install MC plugins into MC's prefix
    
    MC and Empathy could be installed in different prefixes

 configure.ac |   22 +++++++++-------------
 1 files changed, 9 insertions(+), 13 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3c9435d..868b064 100644
--- a/configure.ac
+++ b/configure.ac
@@ -458,12 +458,6 @@ if test "x$enable_goa" != "xno"; then
        mission-control-plugins
        goa-1.0 >= $GOA_REQUIRED
     ], have_goa="yes", have_goa="no")
-
-   AC_MSG_CHECKING([Mission Control plugins dir])
-   MISSION_CONTROL_PLUGINS_DIR=`pkg-config --variable=plugindir mission-control-plugins`
-
-   AC_MSG_RESULT([$MISSION_CONTROL_PLUGINS_DIR])
-   AC_SUBST(MISSION_CONTROL_PLUGINS_DIR)
 else
    have_goa=no
 fi
@@ -518,13 +512,6 @@ if test "x$enable_ubuntu_online_accounts" != "xno"; then
        libsignon-glib >= $LIBSIGNON_REQUIRED
     ], have_uoa="yes", have_uoa="no")
 
-   # MC plugins dir
-   AC_MSG_CHECKING([Mission Control plugins dir])
-   MISSION_CONTROL_PLUGINS_DIR=`pkg-config --variable=plugindir mission-control-plugins`
-
-   AC_MSG_RESULT([$MISSION_CONTROL_PLUGINS_DIR])
-   AC_SUBST(MISSION_CONTROL_PLUGINS_DIR)
-
    # provider plugin dir
    AC_MSG_CHECKING([Accounts provider plugin dir])
    ACCOUNTS_PROVIDER_PLUGIN_DIR=`pkg-config --variable=provider_plugindir account-plugin`
@@ -561,6 +548,15 @@ fi
 
 AM_CONDITIONAL(HAVE_UOA, test "x$have_uoa" = "xyes")
 
+if test "x$have_uoa" = "xyes" -o "x$have_goa" = "xyes"; then
+   AC_MSG_CHECKING([Mission Control plugins dir])
+   MISSION_CONTROL_PLUGINS_DIR=${libdir}/mission-control-plugins.`pkg-config --variable=MCP_ABI_VERSION mission-control-plugins`
+
+   AC_MSG_RESULT([$MISSION_CONTROL_PLUGINS_DIR])
+   AC_SUBST(MISSION_CONTROL_PLUGINS_DIR)
+fi
+
+
 # Help documentation
 YELP_HELP_INIT