diff --git a/configure b/configure
index 2a625ffce7..2f026c45bc 100755
--- a/configure
+++ b/configure
@@ -6983,7 +6983,7 @@ print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $
 
 # Settings for pkg-config files
 
-cat > ffbuild/config.sh <<EOF
+cat > $TMPH <<EOF
 # Automatically generated by configure - do not modify!
 shared=$shared
 build_suffix=$build_suffix
@@ -7009,3 +7009,5 @@ for lib in $LIBRARY_LIST; do
     lib_deps="$(eval echo \$${lib}_deps)"
     echo ${lib}_deps=\"$lib_deps\" >> ffbuild/config.sh
 done
+
+cp_if_changed $TMPH ffbuild/config.sh
diff --git a/ffbuild/library.mak b/ffbuild/library.mak
index 069079f5e7..612bacb980 100644
--- a/ffbuild/library.mak
+++ b/ffbuild/library.mak
@@ -39,7 +39,7 @@ $(TESTPROGS) $(TOOLS): %$(EXESUF): %.o
 $(SUBDIR)lib$(NAME).version: $(SUBDIR)version.h | $(SUBDIR)
 	$$(M) $$(SRC_PATH)/ffbuild/libversion.sh $(NAME) $$< > $$@
 
-$(SUBDIR)lib$(FULLNAME).pc: $(SUBDIR)version.h | $(SUBDIR)
+$(SUBDIR)lib$(FULLNAME).pc: $(SUBDIR)version.h ffbuild/config.sh | $(SUBDIR)
 	$$(M) $$(SRC_PATH)/ffbuild/pkgconfig_generate.sh $(NAME) "$(DESC)"
 
 $(SUBDIR)lib$(NAME).ver: $(SUBDIR)lib$(NAME).v $(OBJS)