diff --git a/trunk/libgxw/gxw.pc.in b/trunk/libgxw/gxw.pc.in
index 9c72568..510a411 100644
--- a/trunk/libgxw/gxw.pc.in
+++ b/trunk/libgxw/gxw.pc.in
@@ -1,6 +1,6 @@
 prefix=/path
 exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
+libdir=/path
 datarootdir=${prefix}/share
 datadir=${datarootdir}
 includedir=${prefix}/include
diff --git a/trunk/libgxwmm/gxwmm.pc.in b/trunk/libgxwmm/gxwmm.pc.in
index ffd1974..e26975d 100644
--- a/trunk/libgxwmm/gxwmm.pc.in
+++ b/trunk/libgxwmm/gxwmm.pc.in
@@ -1,6 +1,6 @@
 prefix=/path
 exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
+libdir=/path
 datarootdir=${prefix}/share
 datadir=${datarootdir}
 includedir=${prefix}/include
diff --git a/trunk/wafadmin/Tools/libtool.py b/trunk/wafadmin/Tools/libtool.py
index 50b28ce..b4074e6 100644
--- a/trunk/wafadmin/Tools/libtool.py
+++ b/trunk/wafadmin/Tools/libtool.py
@@ -51,7 +51,7 @@ def apply_link_libtool(self):
 		linktask=self.link_task
 		self.latask=self.create_task('fakelibtool',linktask.outputs,linktask.outputs[0].change_ext('.la'))
 	if self.bld.is_install:
-		self.bld.install_files('${PREFIX}/lib',linktask.outputs[0],self.env)
+		self.bld.install_files('${LIBDIR}',linktask.outputs[0],self.env)
 def apply_libtool(self):
 	self.env['vnum']=self.vnum
 	paths=[]
@@ -101,7 +101,7 @@ class libtool_la_file:
 		self.shouldnotlink=None
 		self.dlopen=None
 		self.dlpreopen=None
-		self.libdir='/usr/lib'
+		self.libdir='${LIBDIR}'
 		if not self.__parse():
 			raise ValueError("file %s not found!!"%(la_filename))
 	def __parse(self):
diff --git a/trunk/wscript b/trunk/wscript
index 32950ad..c058f93 100644
--- a/trunk/wscript
+++ b/trunk/wscript
@@ -644,7 +644,8 @@ def configure(conf):
         pa = conf.env['PREFIX']
         sub_file('./libgxw/gxw.pc.in', './libgxw/gxw.pc', (('prefix=/path', 'prefix=%s' % pa), ))
         sub_file('./libgxwmm/gxwmm.pc.in', './libgxwmm/gxwmm.pc', (('prefix=/path', 'prefix=%s' % pa), ))
-
+        sub_file('./libgxw/gxw.pc.in', './libgxw/gxw.pc', (('libdir=/path','libdir=%s' % conf.env['LIBDIR']), ))
+        sub_file('./libgxwmm/gxwmm.pc.in', './libgxwmm/gxwmm.pc', (('libdir=/path','libdir=%s' % conf.env['LIBDIR']), ))
 
     # some output
     print("")
@@ -773,11 +774,11 @@ def build(bld):
     if bld.env["GX_LIB_DEV"]:
         bld.install_files('${PREFIX}/include/gxw','libgxw/gxw/*.h')
         bld.install_files('${PREFIX}/include','libgxw/gxw.h')
-        bld.install_files('${PREFIX}/lib/pkgconfig', './libgxw/gxw.pc')
+        bld.install_files('${LIBDIR}/pkgconfig', './libgxw/gxw.pc')
         bld.install_files('${PREFIX}/include/gxwmm','libgxwmm/gxwmm-generated/*.h')
         bld.install_files('${PREFIX}/include/gxwmm','libgxwmm/gxwmm/*.h')
         bld.install_files('${PREFIX}/include','libgxwmm/gxwmm.h')
-        bld.install_files('${PREFIX}/lib/pkgconfig', './libgxwmm/gxwmm.pc')
+        bld.install_files('${LIBDIR}/pkgconfig', './libgxwmm/gxwmm.pc')
 
 ################################################################
 # other commands