--- Makefile.in.orig	2017-09-03 10:29:26 UTC
+++ Makefile.in
@@ -92,7 +94,7 @@ HTML_DIR		= @HTML_DIR@
 HTML_INSTALL_DIR	= $(INSTALL_ROOT)$(HTML_DIR)
 
 # Directory in which to install the configuration file tkConfig.sh:
-CONFIG_INSTALL_DIR	= $(INSTALL_ROOT)$(libdir)
+CONFIG_INSTALL_DIR	= $(SCRIPT_INSTALL_DIR)
 
 # Directory in which to install the demo files:
 DEMO_INSTALL_DIR	= $(INSTALL_ROOT)$(TK_LIBRARY)/demos
@@ -699,8 +708,7 @@ INSTALL_DOC_TARGETS = install-doc
 INSTALL_DEV_TARGETS = install-headers
 INSTALL_DEMO_TARGETS = install-demos
 INSTALL_EXTRA_TARGETS = @EXTRA_INSTALL@
-INSTALL_TARGETS = $(INSTALL_BASE_TARGETS) $(INSTALL_DOC_TARGETS) $(INSTALL_DEV_TARGETS) \
-		$(INSTALL_DEMO_TARGETS) $(INSTALL_EXTRA_TARGETS)
+INSTALL_TARGETS = $(INSTALL_BASE_TARGETS) $(INSTALL_DEV_TARGETS) $(INSTALL_EXTRA_TARGETS)
 
 install: $(INSTALL_TARGETS)
 
@@ -755,9 +766,9 @@ install-binaries: $(TK_STUB_LIB_FILE) $(
 	    @INSTALL_STUB_LIB@ ; \
 	fi
 	@EXTRA_INSTALL_BINARIES@
-	@echo "Installing pkg-config file to $(LIB_INSTALL_DIR)/pkgconfig/"
-	@$(INSTALL_DATA_DIR) $(LIB_INSTALL_DIR)/pkgconfig
-	@$(INSTALL_DATA) tk.pc $(LIB_INSTALL_DIR)/pkgconfig/tk.pc
+	@echo "Installing pkg-config file to $(INSTALL_ROOT)$(prefix)/libdata/pkgconfig/"
+	@$(INSTALL_DATA_DIR) $(INSTALL_ROOT)$(prefix)/libdata/pkgconfig
+	@$(INSTALL_DATA) tk.pc $(INSTALL_ROOT)$(prefix)/libdata/pkgconfig/tk.pc
 
 install-libraries: libraries
 	@for i in "$(SCRIPT_INSTALL_DIR)" "$(SCRIPT_INSTALL_DIR)/images" \