[SCM] GNU Autoconf source repository branch, master, updated. v2.63-66-g61b66d5

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 61b66d572b08da5bd671cf53f819cf05172d6cdf
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Oct 18 14:40:56 2008 +0200

    Show how to extract single substitutions from config.status.
    
    * doc/autoconf.texi (config.status Invocation): Show example
    using `--file=-'.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog         |    6 ++++++
 doc/autoconf.texi |    9 ++++++++-
 2 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 79100bc..f2c336e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-10-18  Ralf Wildenhues  <address@hidden>
+
+       Show how to extract single substitutions from config.status.
+       * doc/autoconf.texi (config.status Invocation): Show example
+       using `--file=-'.
+
 2008-10-17  Eric Blake  <address@hidden>
 
        Add m4_curry.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 3078869..a6bcb34 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -19100,7 +19100,14 @@ Doing so can be useful if some of the packages need a 
superset of the
 features that one of them, perhaps a common library, does.  These
 options allow a @file{config.status} file to create files other than the
 ones that its @file{configure.ac} specifies, so it can be used for a
-different package.
+different package, or for extracting a subset of values.  For example,
+
address@hidden
+echo '@@CC@@' | ./config.status --file=-
address@hidden example
+
address@hidden
+provides the value of @code{@@CC@@} on standard output.
 
 @item address@hidden:@var{template}]
 Same as @option{--file} above, but with @samp{AC_CONFIG_HEADERS}.


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