[SCM] GNU Autoconf source repository branch, master, updated. v2.61a-292-g9429689

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 94296894f03e5781290a204ddbd76353466ab6ea
Author: Ralf Wildenhues <address@hidden>
Date:   Thu Nov 15 22:30:15 2007 +0100

    Add witness macro for @top_build_prefix@ substitution.
    
    * lib/autoconf/status.m4 (_AC_HAVE_TOP_BUILD_PREFIX): New macro.
    (_AC_OUTPUT_FILE): Mention it here.

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

Summary of changes:
 ChangeLog              |    6 ++++++
 lib/autoconf/status.m4 |    6 ++++++
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 306635b..aa4282d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-11-15  Ralf Wildenhues  <address@hidden>
+
+       Add witness macro for @top_build_prefix@ substitution.
+       * lib/autoconf/status.m4 (_AC_HAVE_TOP_BUILD_PREFIX): New macro.
+       (_AC_OUTPUT_FILE): Mention it here.
+
 2007-11-15  Paolo Bonzini  <address@hidden>
        and Ralf Wildenhues  <address@hidden>
 
diff --git a/lib/autoconf/status.m4 b/lib/autoconf/status.m4
index 487cc01..0d1d93e 100644
--- a/lib/autoconf/status.m4
+++ b/lib/autoconf/status.m4
@@ -136,6 +136,11 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 ])# _AC_SRCDIRS
 
 
+# _AC_HAVE_TOP_BUILD_PREFIX
+# -------------------------
+# Announce to the world (to Libtool) that we substitute @address@hidden
+AC_DEFUN([_AC_HAVE_TOP_BUILD_PREFIX])
+
 
 ## ---------------------- ##
 ## Registering the tags.  ##
@@ -622,6 +627,7 @@ dnl configure_input is a somewhat special, so we don't call 
AC_SUBST_TRACE.
 s&@configure_input@&$configure_input&;t t
 dnl During the transition period, this is a special case:
 s&@top_builddir@&$ac_top_builddir_sub&;t t[]AC_SUBST_TRACE([top_builddir])
+dnl For this substitution see the witness macro _AC_HAVE_TOP_BUILD_PREFIX 
above.
 s&@top_build_prefix@&$ac_top_build_prefix&;t 
t[]AC_SUBST_TRACE([top_build_prefix])
 m4_foreach([_AC_Var], [srcdir, abs_srcdir, top_srcdir, abs_top_srcdir,
                        builddir, abs_builddir,


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