make dh override_dh_* a no-op

This happens if the override target is completly empty.
Make sees it is, and runs the implicit dh target.

2 files changed, 13 insertions, 3 deletions

diff --git a/debian/rules b/debian/rules
index ae141867..23b782b1 100755
--- a/debian/rules
+++ b/debian/rules
@@ -5,11 +5,10 @@
 # Each debhelper command in this rules file has to be run using ./run,
 # to ensure that the commands and libraries in the source tree are used,
 # rather than the installed ones.
+
 %:
 	./run dh $@
 
 # Not intended for use by anyone except the author.
 announcedir:
 	@echo ${HOME}/src/joeywiki/code/debhelper/news
-
-.PHONY: build
diff --git a/dh b/dh
index 39b11700..cbc5f10c 100755
--- a/dh
+++ b/dh
@@ -182,6 +182,15 @@ after a particular debhelper command is run.
 		dh_fixperms
 		chmod 4755 debian/foo/usr/bin/foo
 
+If the package's source tree might get files with names
+like build or clean in it, the rules file would not
+run targets with the same names. This issue can be worked
+around by passing -B to make.
+
+	#!/usr/bin/make -Bf
+	%:
+		dh $@
+
 =cut
 
 # Stash this away before init modifies it.
@@ -320,8 +329,10 @@ if (! @ARGV) {
 	error "specify a sequence to run";
 }
 my $sequence=shift;
-if ($sequence eq 'debian/rules') {
+if ($sequence eq 'debian/rules' ||
+    $sequence =~ /^override_dh_/) {
 	# make -B causes the rules file to be run as a target
+	# and support completly empty override targets
 	exit 0
 }	
 elsif (! exists $sequences{$sequence}) {