Fix strerror() handling for systems which set ANSI_STRING.

Don't print errors if "include" is specified with no arguments.
New test suite for the $(shell ...) function.

1 files changed, 6 insertions, 1 deletions

diff --git a/doc/make.texi b/doc/make.texi
index 4f07338..32d1558 100644
--- a/doc/make.texi
+++ b/doc/make.texi
@@ -1099,7 +1099,8 @@ include @var{filenames}@dots{}
 @end example
 
 @noindent
-@var{filenames} can contain shell file name patterns.
+@var{filenames} can contain shell file name patterns.  If
+@var{filenames} is empty, nothing is included and no error is printed.
 @cindex shell file name pattern (in @code{include})
 @cindex shell wildcards (in @code{include})
 @cindex wildcard, in @code{include}
@@ -1379,6 +1380,10 @@ Supports secondary expansion of prerequisite lists.
 Supports ``job server'' enhanced parallel builds.  @xref{Parallel,
 ,Parallel Execution}.
 
+@item else-if
+Supports ``else if'' non-nested conditionals.  @xref{Conditional
+Syntax, ,Syntax of Conditionals}.
+
 @item check-symlink
 Supports the @code{-L} (@code{--check-symlink-times}) flag.
 @xref{Options Summary, ,Summary of Options}.