Allow installation of the helpers in a custom location.

configure.ac.in

@@ -34,6 +34,14 @@ AM_CONFIG_HEADER([config.h])
 AM_MAINTAINER_MODE()
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
+dnl set helper path prefix
+AC_ARG_WITH([helper-path-prefix],
+            [AC_HELP_STRING([--with-helper-path-prefix=PATH],
+                            [Path prefix under which helper executables will be installed (default: $libdir)])],
+            [HELPER_PATH_PREFIX="$withval"],
+            [HELPER_PATH_PREFIX="$libdir"])
+AC_SUBST([HELPER_PATH_PREFIX])
+
 dnl check for UNIX variants
 AC_AIX
 AC_ISC_POSIX

helper-dialog/Makefile.am

@@ -6,7 +6,7 @@ INCLUDES =								\
 	$(LIBX11_CFLAGS)						\
 	-DPACKAGE_LOCALE_DIR=\"$(localedir)\"
 
-helper_dialogdir = $(libdir)/xfce4/xfwm4
+helper_dialogdir = $(HELPER_PATH_PREFIX)/xfce4/xfwm4
 
 helper_dialog_PROGRAMS =						\
 	helper-dialog

src/Makefile.am

@@ -92,7 +92,7 @@ xfwm4_CFLAGS =								\
 	$(COMPOSITOR_CFLAGS)						\
 	-DPACKAGE_LOCALE_DIR=\"$(localedir)\"				\
 	-DDATADIR=\"$(datadir)\"					\
-	-DLIBDIR=\"$(libdir)\"						\
+	-DHELPERDIR=\"$(HELPER_PATH_PREFIX)\"				\
 	-DPACKAGE_DATADIR=\"$(pkgdatadir)\"				\
 	-DG_LOG_DOMAIN=\"xfwm4\"
 

src/terminate.c

@@ -110,7 +110,7 @@ terminateShowDialog (Client *c)
     screen_info = c->screen_info;
     xid = g_strdup_printf ("0x%lx", c->window);
 
-    argv[0] = LIBDIR "/xfce4/xfwm4/helper-dialog";
+    argv[0] = HELPERDIR "/xfce4/xfwm4/helper-dialog";
     argv[1] = xid;
     argv[2] = c->name;
     argv[3] = NULL;