[SCM] GNU Autoconf source repository branch, master, updated. v2.64-86-g8733bad

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 8733bad075b6b4340a8504496b488d48d0b9f354
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Nov 14 12:40:07 2009 +0100

    Fix AC_CONFIG_SUBDIRS tracing in autoreconf.
    
    * bin/autoreconf.in (autoreconf_current_directory): Collapse
    newlines in the autoconf trace output, similar to how automake
    invokes autoconf, so that newlines do not matter in the argument
    to AC_CONFIG_SUBDIRS.
    * tests/torture.at (Deep Package): Expose this issue in the
    test.
    * THANKS: Update.
    Report by Nathan Schulte.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog         |   12 ++++++++++++
 THANKS            |    1 +
 bin/autoreconf.in |   26 +++++++++++++++-----------
 tests/torture.at  |    5 ++++-
 4 files changed, 32 insertions(+), 12 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 77e9d4e..778f2ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2009-11-14  Ralf Wildenhues  <address@hidden>
+
+       Fix AC_CONFIG_SUBDIRS tracing in autoreconf.
+       * bin/autoreconf.in (autoreconf_current_directory): Collapse
+       newlines in the autoconf trace output, similar to how automake
+       invokes autoconf, so that newlines do not matter in the argument
+       to AC_CONFIG_SUBDIRS.
+       * tests/torture.at (Deep Package): Expose this issue in the
+       test.
+       * THANKS: Update.
+       Report by Nathan Schulte.
+
 2009-11-09  Eric Blake  <address@hidden>
 
        Fix AC_FUNC_MMAP for cygwin.
diff --git a/THANKS b/THANKS
index f63509f..d1ca487 100644
--- a/THANKS
+++ b/THANKS
@@ -264,6 +264,7 @@ Momchil Velkov              address@hidden
 Monty Taylor                address@hidden
 Morten Eriksen              address@hidden
 Motoyuki Kasahara           address@hidden
+Nathan Schulte              address@hidden
 Nathanael Nerode            address@hidden
 Nelson H. F. Beebe          address@hidden
 Nicolas Joly                address@hidden
diff --git a/bin/autoreconf.in b/bin/autoreconf.in
index 9f6d706..4aeca01 100644
--- a/bin/autoreconf.in
+++ b/bin/autoreconf.in
@@ -454,12 +454,13 @@ sub autoreconf_current_directory ()
   verb "$configure_ac: tracing";
   my $traces = new Autom4te::XFile
     ("$autoconf"
-     . join (' --trace=', '',
+     . join (' ',
+            map { ' --trace=' . $_ . ':\$n::\${::}%' }
             # If you change this list, update the
             # `Autoreconf-preselections' section of autom4te.in.
-            'AC_CONFIG_AUX_DIR:AC_CONFIG_AUX_DIR:\$1',
+            'AC_CONFIG_AUX_DIR',
             'AC_CONFIG_HEADERS',
-            'AC_CONFIG_SUBDIRS:AC_CONFIG_SUBDIRS:\$1',
+            'AC_CONFIG_SUBDIRS',
             'AC_INIT',
             'AC_PROG_LIBTOOL',
             'LT_INIT',
@@ -470,14 +471,17 @@ sub autoreconf_current_directory ()
      . ' |');
   while ($_ = $traces->getline)
     {
-      $aux_dir = $1                 if /AC_CONFIG_AUX_DIR:(.*)/;
-      $uses_autoconf = 1            if /AC_INIT/;
-      $uses_gettext_via_traces = 1  if /AM_GNU_GETTEXT/;
-      $uses_libtool = 1             if /(AC_PROG_LIBTOOL|LT_INIT)/;
-      $uses_libltdl = 1             if /LT_CONFIG_LTDL_DIR/;
-      $uses_autoheader = 1          if /AC_CONFIG_HEADERS/;
-      $uses_automake = 1            if /AM_INIT_AUTOMAKE/;
-      push @subdir, split (' ', $1) if /AC_CONFIG_SUBDIRS:(.*)/ && $recursive;
+      my ($macro, @args) = split (/::/);
+      $aux_dir = $args[0]           if $macro eq "AC_CONFIG_AUX_DIR";
+      $uses_autoconf = 1            if $macro eq "AC_INIT";
+      $uses_gettext_via_traces = 1  if $macro eq "AM_GNU_GETTEXT";
+      $uses_libtool = 1             if $macro eq "AC_PROG_LIBTOOL"
+                                       || $macro eq "LT_INIT";
+      $uses_libltdl = 1             if $macro eq "LT_CONFIG_LTDL_DIR";
+      $uses_autoheader = 1          if $macro eq "AC_CONFIG_HEADERS";
+      $uses_automake = 1            if $macro eq "AM_INIT_AUTOMAKE";
+      push @subdir, split (' ', $args[0])
+                                    if $macro eq "AC_CONFIG_SUBDIRS" && 
$recursive;
     }
 
   # The subdirs are *optional*, they may not exist.
diff --git a/tests/torture.at b/tests/torture.at
index ea3acd4..6fdf7e7 100644
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -1359,7 +1359,10 @@ AT_DATA([install-sh], [])
 AT_DATA([configure.in],
 [[AC_INIT(GNU Outer, 1.0)
 AC_ARG_VAR([OUTER], [an outer variable])
-AC_CONFIG_SUBDIRS([inner inner2])
+AC_CONFIG_SUBDIRS([
+  inner
+  inner2
+])
 AC_OUTPUT
 ]])
 


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