[SCM] GNU Libtool branch, master, updated. v2.4-2-g67bbe04

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 67bbe0490f03150ebce81a5be00bdefe7c0a25c1
Author: Ralf Wildenhues <address@hidden>
Date:   Wed Sep 22 20:18:54 2010 +0200

    Fix regression in command-line length computation.
    
    * libltdl/m4/libtool.m4 (LT_CMD_MAX_LEN): Use `env echo' rather
    than possibly-undefined func_fallback_echo, to ensure we fork
    and exec for this test.
    * NEWS: Update.
    Regression introduced in v2.2.6-39-g9c3d4d8.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog             |    9 +++++++++
 NEWS                  |    3 ++-
 libltdl/m4/libtool.m4 |    2 +-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 566b74e..647c151 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2010-09-22  Ralf Wildenhues  <address@hidden>
+
+       Fix regression in command-line length computation.
+       * libltdl/m4/libtool.m4 (LT_CMD_MAX_LEN): Use `env echo' rather
+       than possibly-undefined func_fallback_echo, to ensure we fork
+       and exec for this test.
+       * NEWS: Update.
+       Regression introduced in v2.2.6-39-g9c3d4d8.
+
 2010-09-22  Gary V. Vaughan  <address@hidden>
 
        Post-release administrivia.
diff --git a/NEWS b/NEWS
index 6e8e0fe..90e33f7 100644
--- a/NEWS
+++ b/NEWS
@@ -4,7 +4,8 @@ New in 2.4.2 2010-12-??: git version 2.4.1a, Libtool team:
 
 * Bug fixes:
 
-  - None yet!
+  - The generic approximation of the command line length limit (when getconf is
+    not available) works again.  Regression introduced in v2.2.6-39-g9c3d4d8.
 
 New in 2.4 2010-09-22: git version 2.2.11a, Libtool team:
 
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index d812584..6aebb63 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -1639,7 +1639,7 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
       # If test is not a shell built-in, we'll probably end up computing a
       # maximum length that is only half of the actual maximum length, but
       # we can't tell.
-      while { test "X"`func_fallback_echo "$teststring$teststring" 
2>/dev/null` \
+      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
                 = "X$teststring$teststring"; } >/dev/null 2>&1 &&
              test $i != 17 # 1/2 MB should be enough
       do


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