--- /dev/null
+--- a/lib/abyss/src/Makefile
++++ b/lib/abyss/src/Makefile
+@@ -131,13 +131,15 @@ 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 #