[SCM] GNU Libtool branch, master, updated. v2.2.10-123-g7f9878d

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 7f9878d026d0c251d57b3b8e0bf5891691ac3f96
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Aug 28 12:22:36 2010 +0200

    Fix response file test for unreliable exit status of IRIX ar.
    
    * libltdl/m4/libtool.m4 (_LT_PROG_AR): IRIX ar will not fail
    over a command-line argument specifying a nonexistent file (such
    as address@hidden'), so ensure failure with a reponse file containing
    a nonexistent file.  Also, use lt_* variable prefix for
    temporary variables.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog             |    7 +++++++
 libltdl/m4/libtool.m4 |   11 ++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8e07775..4b77602 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2010-08-28  Ralf Wildenhues  <address@hidden>
 
+       Fix response file test for unreliable exit status of IRIX ar.
+       * libltdl/m4/libtool.m4 (_LT_PROG_AR): IRIX ar will not fail
+       over a command-line argument specifying a nonexistent file (such
+       as address@hidden'), so ensure failure with a reponse file containing
+       a nonexistent file.  Also, use lt_* variable prefix for
+       temporary variables.
+
        Fix AC_LANG_PROGRAM warnings from git Autoconf.
        * libltdl/m4/libtool.m4 (_LT_SYS_MODULE_PATH_AIX): Fix
        underquoted AC_LANG_PROGRAM call.
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index efb20de..305e2d8 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -1359,10 +1359,15 @@ AC_CACHE_CHECK([for archiver @FILE support], 
[lt_cv_ar_at_file],
   [lt_cv_ar_at_file=no
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
      [echo conftest.$ac_objext > conftest.lst
-      am_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst'
-      AC_TRY_EVAL([am_ar_try])
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst'
+      AC_TRY_EVAL([lt_ar_try])
       if test "$ac_status" -eq 0; then
-        lt_cv_ar_at_file=@
+       # Ensure the archiver fails upon bogus file names.
+       rm -f conftest.$ac_objext libconftest.a
+       AC_TRY_EVAL([lt_ar_try])
+       if test "$ac_status" -ne 0; then
+          lt_cv_ar_at_file=@
+        fi
       fi
       rm -f conftest.* libconftest.a
      ])


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