component/automake: add a patch to avoid shebang line length limitation during build.

component/automake/automake-1.15-shebang_workaround.patch

+--- automake-1.15/doc/help2man	2014-12-30 14:49:41.000000000 +0100
++++ automake-1.15/doc/help2man	2017-04-12 10:40:16.965600755 +0200
+@@ -632,11 +632,13 @@
+ sub get_option_value
+ {
+     my ($prog, $opt) = @_;
++    $prog = `which $prog`;
++    chomp($prog);
+     my $stderr = $discard_stderr ? '/dev/null' : '&1';
+     my $value = join '',
+ 	map { s/ +$//; expand $_ }
+ 	map { dec $_ }
+-	`$prog $opt 2>$stderr`;
++	`perl $prog $opt 2>$stderr`;
+ 
+     unless ($value)
+     {

component/automake/buildout.cfg

 [buildout]
 extends =
   ../autoconf/buildout.cfg
+  ../patch/buildout.cfg
   ../perl/buildout.cfg
   ../xz-utils/buildout.cfg
 parts =
@@ -10,5 +11,8 @@ parts =
 recipe = slapos.recipe.cmmi
 md5sum = 9a1ddb0e053474d9d1105cfe39b0c48d
 url = http://ftp.gnu.org/gnu/automake/automake-1.15.tar.xz
+patch-options = -p1
+patches =
+  ${:_profile_base_location_}/automake-1.15-shebang_workaround.patch#203f9199b0e629de3630b5959f8cf73e
 environment =
-  PATH =${autoconf:location}/bin:${perl:location}/bin:${xz-utils:location}/bin:%(PATH)s
+  PATH=${autoconf:location}/bin:${patch:location}/bin:${perl:location}/bin:${xz-utils:location}/bin:%(PATH)s