diff --git a/src/Makefile.in b/src/Makefile.in
index d73216265..7d1cb404d 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -51,7 +51,7 @@ ifneq ($(words $(CURDIR)),1)
  $(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
 endif
 
-UNDER_GIT = $(wildcard ../.git/logs/HEAD)
+UNDER_GIT = $(wildcard ${srcdir}/../.git/logs/HEAD)
 
 #*********************************************************************
 
@@ -82,9 +82,9 @@ prefiles::
 
 ifneq ($(UNDER_GIT),)	# If local git tree... Else don't burden users
 prefiles:: config_rev.h
-# This output goes into srcdir, as we need to distribute it as part of the kit.
-config_rev.h:	config_rev.pl ../.git/logs/HEAD
-	$(PERL) config_rev.pl . >$@
+# This output goes into srcdir if locally configured, as we need to distribute it as part of the kit.
+config_rev.h:	${srcdir}/config_rev.pl ${srcdir}/../.git/logs/HEAD
+	$(PERL) ${srcdir}/config_rev.pl ${srcdir} >$@
 endif
 
 maintainer-copy::
@@ -96,3 +96,6 @@ clean mostlyclean distclean maintainer-clean::
 
 distclean maintainer-clean::
 	-rm -f Makefile Makefile_obj config_build.h
+
+maintainer-clean::
+	-rm -f config_rev.h
diff --git a/src/Makefile_obj.in b/src/Makefile_obj.in
index 67e6a63db..5d0991563 100644
--- a/src/Makefile_obj.in
+++ b/src/Makefile_obj.in
@@ -141,7 +141,6 @@ clean mostlyclean distclean maintainer-clean::
 distclean maintainer-clean:: clean
 
 maintainer-clean::
-	-rm -f config_rev.h
 
 maintainer-copy::