[evince] [build] Improved PREVIEWER check

[Jan-Joost Spanjers <jspanjers src gnome org>]

commit 7cd71166e4ff5baa7349e11437f88bb9e84bd8b8
Author: Hib Eris <hib hiberis nl>
Date:   Wed Jul 21 18:26:01 2010 +0200

    [build] Improved PREVIEWER check
    
    - Check for PREVIEWER only once
    - Make gtk+-unix print optional for previewer

 configure.ac |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ddf351d..f2f49a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,7 +145,6 @@ PKG_CHECK_MODULES(LIBDOCUMENT, gtk+-3.0 >= $GTK_REQUIRED gio-2.0 >= $GLIB_REQUIR
 PKG_CHECK_MODULES(LIBVIEW, gtk+-3.0 >= $GTK_REQUIRED gail-3.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED)
 PKG_CHECK_MODULES(BACKEND, gtk+-3.0 >= $GTK_REQUIRED)
 PKG_CHECK_MODULES(FRONTEND_CORE, gtk+-3.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED)
-PKG_CHECK_MODULES(PREVIEWER, gtk+-3.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED)
 
 SHELL_PLATFORM_PKGS=
 case "$with_platform" in
@@ -418,7 +417,7 @@ AC_ARG_ENABLE([previewer],
     esac])
 
 if test x$enable_previewer = "xyes" ; then
-  PKG_CHECK_MODULES([PREVIEWER],[gtk+-3.0 >= $GTK_REQUIRED gtk+-unix-print-3.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED])
+  PKG_CHECK_MODULES([PREVIEWER],[gtk+-3.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED])
 fi
 
 AM_CONDITIONAL([ENABLE_PREVIEWER],[test "$enable_previewer" = "yes"])