[gtk+] Don't build gtk-launch when gio-unix is not available

[Matthias Clasen <matthiasc src gnome org>]

commit 9a1235bf0dbdb1701779bec0ccae043cc4243ce5
Author: Erik van Pienbroek <epienbro fedoraproject org>
Date:   Sun Jan 27 15:14:35 2013 +0100

    Don't build gtk-launch when gio-unix is not available
    
    https://bugzilla.gnome.org/show_bug.cgi?id=682824

 configure.ac    |    1 +
 gtk/Makefile.am |    7 ++++---
 2 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 121a490..5461828 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1238,6 +1238,7 @@ if test "$have_gio_unix" = "yes"; then
 else
   GDK_GIO_PACKAGE=gio-2.0
 fi
+AM_CONDITIONAL(HAVE_GIO_UNIX, test "$have_gio_unix" = "yes")
 
 # Check for Pango flags
 
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index e476706..973f3c8 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1306,9 +1306,7 @@ endif
 #
 # Installed tools
 #
-bin_PROGRAMS = \
-	gtk-query-immodules-3.0	\
-	gtk-launch
+bin_PROGRAMS = gtk-query-immodules-3.0
 
 if BUILD_ICON_CACHE
 bin_PROGRAMS += gtk-update-icon-cache
@@ -1355,8 +1353,11 @@ gtk_update_icon_cache_LDADD = $(GDK_PIXBUF_LIBS)
 gtk_update_icon_cache_SOURCES = updateiconcache.c
 endif
 
+if HAVE_GIO_UNIX
+bin_PROGRAMS += gtk-launch
 gtk_launch_LDADD = $(LDADDS)
 gtk_launch_SOURCES = gtk-launch.c
+endif
 
 .PHONY: files test test-debug