diff --git a/utils/GPSsmooth/Makefile.am b/utils/GPSsmooth/Makefile.am
index db6c26365..c0d4edebd 100644
--- a/utils/GPSsmooth/Makefile.am
+++ b/utils/GPSsmooth/Makefile.am
@@ -1,11 +1,22 @@
 noinst_PROGRAMS = GPSsmooth MIDGsmooth UGsmooth
 
+if HAVE_FRAMEWORK_PLIB
+GPSsmooth_LDFLAGS = $(plib_FRAMEWORK)
+MIDGsmooth_LDFLAGS = $(plib_FRAMEWORK)
+UGsmooth_LDFLAGS = $(plib_FRAMEWORK)
+else
+GPSsmooth_PLIB_LIBS = -lplibnet -lplibul
+MIDGsmooth_PLIB_LIBS = -lplibnet -lplibul
+UGsmooth_PLIB_LIBS = -lplibnet -lplibul
+endif
+
+
 GPSsmooth_SOURCES = \
 	gps.cxx gps.hxx \
 	gps_main.cxx
 
 GPSsmooth_LDADD = \
-	-lsgtiming -lsgmisc -lsgdebug -lplibnet -lplibul \
+        $(GPSsmooth_PLIB_LIBS) -lsgtiming -lsgmisc -lsgdebug \
 	$(joystick_LIBS) $(network_LIBS) $(base_LIBS) -lz
 
 MIDGsmooth_SOURCES = \
@@ -13,9 +24,8 @@ MIDGsmooth_SOURCES = \
 	MIDG_main.cxx
 
 MIDGsmooth_LDADD = \
-	-lsgio -lsgserial -lsgtiming -lsgmath -lsgbucket -lsgmisc -lsgdebug \
-        -lsgstructure \
-	-lplibnet -lplibul \
+        $(MIDGsmooth_PLIB_LIBS) -lsgio -lsgserial -lsgtiming \
+        -lsgmath -lsgbucket -lsgmisc -lsgdebug -lsgstructure \
 	$(joystick_LIBS) $(network_LIBS) $(base_LIBS) -lz
 
 UGsmooth_SOURCES = \
@@ -26,9 +36,8 @@ UGsmooth_SOURCES = \
 	UGear_telnet.cxx UGear_telnet.hxx
 
 UGsmooth_LDADD = \
-        -lsgio -lsgserial -lsgtiming -lsgmath -lsgbucket -lsgmisc -lsgdebug \
-        -lplibnet -lplibul \
+        $(UGsmooth_PLIB_LIBS) -lsgio -lsgserial -lsgtiming \
+        -lsgmath -lsgbucket -lsgmisc -lsgdebug \
         $(joystick_LIBS) $(network_LIBS) $(base_LIBS) -lz
 
-
 INCLUDES = -I$(top_srcdir)/src
diff --git a/utils/Makefile.am b/utils/Makefile.am
index 1f183fec5..eef564a8f 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -1,4 +1,4 @@
-DIST_SUBDIRS = GPSsmooth TerraSync Modeller js_server fgadmin xmlgrep propmerge
+DIST_SUBDIRS = GPSsmooth TerraSync Modeller js_server fgadmin xmlgrep propmerge fgpanel
 
-SUBDIRS = GPSsmooth TerraSync Modeller js_server propmerge fgviewer
+SUBDIRS = GPSsmooth TerraSync Modeller js_server propmerge fgviewer fgpanel
 
diff --git a/utils/TerraSync/Makefile.am b/utils/TerraSync/Makefile.am
index aebd95960..0b71b9ea4 100644
--- a/utils/TerraSync/Makefile.am
+++ b/utils/TerraSync/Makefile.am
@@ -6,4 +6,10 @@ terrasync_SOURCES = terrasync.cxx
 
 AM_CPPFLAGS = $(svn_CPPFLAGS)
 
-terrasync_LDADD = -lplibnet -lplibul -lsgmisc -lsgdebug $(network_LIBS) $(svn_LIBS)
+if HAVE_FRAMEWORK_PLIB
+terrasync_LDFLAGS = $(plib_FRAMEWORK)
+else
+terrasync_PLIB_LIBS = -lplibnet -lplibul  
+endif
+
+terrasync_LDADD = $(terrasync_PLIB_LIBS) -lsgmisc -lsgdebug $(network_LIBS) $(svn_LIBS)
diff --git a/utils/fgviewer/Makefile.am b/utils/fgviewer/Makefile.am
index 1321349cf..4f46419a2 100644
--- a/utils/fgviewer/Makefile.am
+++ b/utils/fgviewer/Makefile.am
@@ -3,8 +3,21 @@ AM_CXXFLAGS = -DPKGDATADIR=\"$(pkgdatadir)\"
 
 bin_PROGRAMS = fgviewer
 
+if HAVE_FRAMEWORK_PLIB
+fgviewer_LDFLAGS = $(plib_FRAMEWORK)
+else
+fgviewer_PLIB_LIBS = -lplibul
+fgviewer_LDFLAGS =
+endif
+
+if HAVE_FRAMEWORK_OSG
+fgviewer_LDFLAGS += $(osg_FRAMEWORKS) $(openthreads_FRAMEWORK)
+else
+fgviewer_LDFLAGS += $(osg_LIBS) $(openthreads_LIBS)
+endif
+
 fgviewer_SOURCES = fgviewer.cxx
 fgviewer_LDADD = \
 	-lsgtgdb -lsgmaterial -lsgmodel -lsgbvh -lsgutil -lsgio -lsgbucket \
 	-lsgmath -lsgprops -lsgdebug -lsgmisc -lsgxml -lsgstructure \
-	-lplibul $(OSG_LIBS) $(opengl_LIBS) $(THREAD_LIBS) -lz
+	$(fgviewer_PLIB_LIBS) $(OSG_LIBS) $(opengl_LIBS) $(THREAD_LIBS) -lz
diff --git a/utils/js_server/Makefile.am b/utils/js_server/Makefile.am
index d4ca0a49e..a21dc380e 100644
--- a/utils/js_server/Makefile.am
+++ b/utils/js_server/Makefile.am
@@ -1,4 +1,10 @@
 noinst_PROGRAMS = js_server
 
+if HAVE_FRAMEWORK_PLIB
+js_server_LDFLAGS = $(plib_FRAMEWORK)
+else
+js_server_PLIB_LIBS = -lplibjs -lplibnet -lplibul  
+endif
+
 js_server_SOURCES = js_server.cxx
-js_server_LDADD = -lplibjs -lplibnet -lplibul $(base_LIBS) $(joystick_LIBS) $(network_LIBS)
+js_server_LDADD = $(js_server_PLIB_LIBS) $(base_LIBS) $(joystick_LIBS) $(network_LIBS)