X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=Debian%2FDebhelper%2FBuildsystem%2Fmakefile.pm;h=f38387bdc22c4a7a7aff94cba3094e4d41d20664;hb=f2123b6963a0c59d4901037f519376c1ce660177;hp=d4b68e4c1e2de7f943c6008021e249fc46b1ef66;hpb=7da05db96ef52c0f3367538c2b197341484a70c2;p=debhelper.git

diff --git a/Debian/Debhelper/Buildsystem/makefile.pm b/Debian/Debhelper/Buildsystem/makefile.pm
index d4b68e4..f38387b 100644
--- a/Debian/Debhelper/Buildsystem/makefile.pm
+++ b/Debian/Debhelper/Buildsystem/makefile.pm
@@ -69,11 +69,23 @@ sub check_auto_buildable {
 	my $this=shift;
 	my ($step) = @_;
 
-	# This is always called in the source directory, but generally
-	# Makefiles are created (or live) in the the build directory.
-	return (-e $this->get_buildpath("Makefile") ||
-	        -e $this->get_buildpath("makefile") ||
-	        -e $this->get_buildpath("GNUmakefile")) ? 1 : 0;
+	if (-e $this->get_buildpath("Makefile") ||
+	    -e $this->get_buildpath("makefile") ||
+	    -e $this->get_buildpath("GNUmakefile"))
+	{
+		# This is always called in the source directory, but generally
+		# Makefiles are created (or live) in the the build directory.
+		return 1;
+	} elsif ($step eq "clean" && defined $this->get_builddir() &&
+	         $this->check_auto_buildable("configure"))
+	{
+		# Assume that the package can be cleaned (i.e. the build directory can
+		# be removed) as long as it is built out-of-source tree and can be
+		# configured. This is useful for derivative buildsystems which
+		# generate Makefiles.
+		return 1;
+	}
+	return 0;
 }
 
 sub build {