* configure.ac: Add --enable-languages=default to mean default and

	make --enable-languages=all mean all supported languages.
	* configure: Regenerated.
	gcc/
	* doc/invoke.texi (--enable-languages): Update documentation.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248454 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 3 deletions

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index b13fc1f6f42..36424d15a40 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1621,14 +1621,17 @@ their runtime libraries should be built.  For a list of valid values for
 grep ^language= */config-lang.in
 @end smallexample
 Currently, you can use any of the following:
-@code{all}, @code{ada}, @code{c}, @code{c++}, @code{fortran},
+@code{all}, @code{default}, @code{ada}, @code{c}, @code{c++}, @code{fortran},
 @code{go}, @code{jit}, @code{lto}, @code{objc}, @code{obj-c++}.
 Building the Ada compiler has special requirements, see below.
-If you do not pass this flag, or specify the option @code{all}, then all
+If you do not pass this flag, or specify the option @code{default}, then the
 default languages available in the @file{gcc} sub-tree will be configured.
 Ada, Go, Jit, and Objective-C++ are not default languages.  LTO is not a
 default language, but is built by default because @option{--enable-lto} is
-enabled by default.  The other languages are default languages.
+enabled by default.  The other languages are default languages.  If
+@code{all} is specified, then all available languages are built.  An
+exception is @code{jit} language, which requires
+@option{--enable-host-shared} to be included with @code{all}.
 
 @item --enable-stage1-languages=@var{lang1},@var{lang2},@dots{}
 Specify that a particular subset of compilers and their runtime