--- a/lib/abyss/src/Makefile
+++ b/lib/abyss/src/Makefile
@@ -133,13 +133,15 @@ SOCKLIB=$(SOCKETLIBOPT)
 xmlrpc_abyss.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_abyss"                                  >>$@
 	@echo "Description: Xmlrpc-c Abyss HTTP C library"                 >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc_util"                                      >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_abyss $(SOCKLIB)"        >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_abyss $(SOCKLIB)'           >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 # Need this dependency for those who don't use depend.mk.
 # Without it, version.h doesn't get created.
--- a/lib/abyss++/Makefile
+++ b/lib/abyss++/Makefile
@@ -120,13 +120,15 @@ $(LIBXMLRPC_ABYSSPP_MODS:%=%.osh): \
 xmlrpc_abyss++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_abyss++"                                >>$@
 	@echo "Description: Xmlrpc-c Abyss HTTP C++ library"               >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc_abyss xmlrpc_util++"                       >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_abyss++"                 >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_abyss++'                    >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 #-----------------------------------------------------------------------------
 #  MISCELLANEOUS RULES
--- a/lib/expat/Makefile
+++ b/lib/expat/Makefile
@@ -34,13 +34,15 @@ xmltok/all: gennmtab/all
 xmlrpc_expat.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_expat"                                  >>$@
 	@echo "Description: Xmlrpc-c XML parsing library"                  >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc_util"                                      >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_xmlparse -lxmlrpc_xmltok" >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_xmlparse -lxmlrpc_xmltok'   >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 .PHONY: clean
 clean: $(SUBDIRS:%=%/clean) clean-common
--- a/lib/libutil/Makefile
+++ b/lib/libutil/Makefile
@@ -112,13 +112,15 @@ libxmlrpc_util.a: LIBOBJECTS = $(TARGET_
 xmlrpc_util.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_util"                                   >>$@
 	@echo "Description: Xmlrpc-c utility functions library"            >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: "                                                 >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_util"                    >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_util'                       >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 .PHONY: install
 install: install-common
--- a/lib/libutil++/Makefile
+++ b/lib/libutil++/Makefile
@@ -101,13 +101,15 @@ libxmlrpc_util++.a: LIBOBJECTS = $(LIBXM
 xmlrpc_util++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_util++"                                 >>$@
 	@echo "Description: Xmlrpc-c C++ utility functions library"        >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc_util"                                      >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_util++"                  >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_util++'                     >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 #-----------------------------------------------------------------------------
 #  MISCELLANEOUS RULES
--- a/lib/openssl/Makefile
+++ b/lib/openssl/Makefile
@@ -81,13 +81,15 @@ INCLUDES = \
 xmlrpc_openssl.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_openssl"                                >>$@
 	@echo "Description: Openssl convenience function from Xmlrpc-c package"                 >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc_util"                                      >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_openssl"                 >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir}  -lxmlrpc_openssl'                   >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 #-----------------------------------------------------------------------------
 #  MISCELLANEOUS
--- a/src/Makefile
+++ b/src/Makefile
@@ -333,57 +333,67 @@ libxmlrpc_client.ldflags:
 xmlrpc.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
-	@echo "Name:        xmlrpc"                                        >>$@
-	@echo "Description: Xmlrpc-c basic XML-RPC library"                >>$@
-	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
+	@echo 'Name:        xmlrpc'                                        >>$@
+	@echo 'Description: Xmlrpc-c basic XML-RPC library'                >>$@
+	@echo 'Version:     $(XMLRPC_VERSION_STRING)'                      >>$@
 	@echo	                                                           >>$@
-	@echo "Requires: xmlrpc_util $(XML_PKGCONFIG_REQ)"                 >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc"                         >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Requires: xmlrpc_util $(XML_PKGCONFIG_REQ)'                 >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc'                            >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_client.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_client"                                 >>$@
 	@echo "Description: Xmlrpc-c XML-RPC client library"               >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc xmlrpc_util"                               >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_client"                  >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_client'                     >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server"                                 >>$@
 	@echo "Description: Xmlrpc-c XML-RPC server library"               >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc xmlrpc_util"                               >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server"                  >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server'                     >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server_abyss.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server_abyss"                           >>$@
 	@echo "Description: Xmlrpc-c Abyss XML-RPC server library"         >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc xmlrpc_server xmlrpc_abyss xmlrpc_util"    >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server_abyss"            >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server_abyss'               >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server_cgi.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server_cgi"                             >>$@
 	@echo "Description: Xmlrpc-c CGI XML-RPC server library"           >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc xmlrpc_server xmlrpc_util"                 >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server_cgi"              >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server_cgi'                 >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 .PHONY: check
 check:
--- a/src/cpp/Makefile
+++ b/src/cpp/Makefile
@@ -355,57 +355,67 @@ $(TRANSPORT_CONFIG_USERS:%=%.o) $(TRANSP
 xmlrpc++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc++"                                      >>$@
 	@echo "Description: Xmlrpc-c basic XML-RPC C++ library"            >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc xmlrpc_util"                               >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc++"                       >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc++'                          >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_client++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_client++"                               >>$@
 	@echo "Description: Xmlrpc-c XML-RPC client C++ library"           >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc++ xmlrpc_client xmlrpc_util++ xmlrpc_util" >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_client++"                >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_client++'                   >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server++"                               >>$@
 	@echo "Description: Xmlrpc-c XML-RPC server C++ library"           >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc++ xmlrpc xmlrpc_server xmlrpc_util++ xmlrpc_util" >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server++"                >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server++'                   >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server_abyss++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server_abyss++"                         >>$@
 	@echo "Description: Xmlrpc-c Abyss XML-RPC server C++ library"     >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
 	@echo "Requires: xmlrpc++ xmlrpc xmlrpc_server++ xmlrpc_abyss xmlrpc_util++ xmlrpc_util"    >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server_abyss"            >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server_abyss++'             >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 xmlrpc_server_pstream++.pc:
 	rm -f $@
 	@echo "Echoes to '$@' suppressed here ..."
+	@echo -e '$(PKGCONFIG_VAR_SET)'                                    >>$@
+	@echo	                                                           >>$@
 	@echo "Name:        xmlrpc_server_pstream"                         >>$@
 	@echo "Description: Xmlrpc-c packet stream XML-RPC server library" >>$@
 	@echo "Version:     $(XMLRPC_VERSION_STRING)"                      >>$@
 	@echo	                                                           >>$@
-	@echo "Requires: xmlrpc++ xmlrpc xmlrpc_server++ xmlrpc_util++ xmlrpc_util"                 >>$@
-	@echo "Libs:     -L$(LIBDESTDIR) -lxmlrpc_server_pstream++ -lxmlrpc_packetsocket"              >>$@
-	@echo "Cflags:   -I$(HEADERDESTDIR)"                               >>$@
+	@echo "Requires: xmlrpc++ xmlrpc xmlrpc_server++ xmlrpc_util++ xmlrpc_util" >>$@
+	@echo 'Libs:     -L$${libdir} -lxmlrpc_server_pstream++' -lxmlrpc_packetsocket >>$@
+	@echo 'Cflags:   -I$${includedir}'                                 >>$@
 
 #-----------------------------------------------------------------------------
 #  MISCELLANEOUS RULES
--- a/common.mk
+++ b/common.mk
@@ -584,6 +584,11 @@ PROGRAMDESTDIR   = $(DESTDIR)$(PROGRAMIN
 MANDESTDIR       = $(DESTDIR)$(MANINST_DIR)
 PKGCONFIGDESTDIR = $(DESTDIR)$(PKGCONFIGINST_DIR)
 
+# The following value, in a pkg-config file, sets the conventional pkg-config
+# variables that the pkg-config user can override at pkg-config time.
+PKGCONFIG_VAR_SET = \
+  prefix=$(PREFIX)\nexec_prefix=$${prefix}\nincludedir=$${prefix}/include\nlibdir=$${exec_prefix}/lib
+
 
 ##############################################################################
 #                           INSTALL RULES                                    #
