* lib/am/header-vars.am (am__empty): About this.
Signed-off-by: Stefano Lattarini <[email protected]>
---
lib/am/header-vars.am | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/am/header-vars.am b/lib/am/header-vars.am
index ad96691..c6ad4d3 100644
--- a/lib/am/header-vars.am
+++ b/lib/am/header-vars.am
@@ -143,8 +143,9 @@ am__make_dryrun := \
$(findstring n,$(am__v))))), \
true, false))
-# An empty strings. It only serves to make the code readable
-# in some places.
+# An empty string. It can be very useful to "fool" the make parser w.r.t.
+# whitespace handling, and allow us to obtain tricky semantics. See the
+# definition of $(am__newline) below for a significant example.
am__empty :=
am__strip_firstword = $(wordlist 2,$(words $(1)),$(1))
--
1.7.10.4
