Silence archiver output when testing @file support.

* libltdl/m4/libtool.m4 (_LT_PROG_AR): Redirect stdout and stderr
to the bit bucket when testing for @file support.

Signed-off-by: Peter Rosin <peda@lysator.liu.se>

diff --git a/ChangeLog b/ChangeLog
index a4c91cb6b8ec270239cb3d696ddf16fe0fd38e8e..1ee96b1b9d3928ea5a2bd40ef60e7197e0594e79 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-08-31  Peter Rosin  <peda@lysator.liu.se>
+
+       Silence archiver output when testing @file support.
+       * libltdl/m4/libtool.m4 (_LT_PROG_AR): Redirect stdout and stderr
+       to the bit bucket when testing for @file support.
+
 2010-08-31  Gary V. Vaughan  <gary@gnu.org>
 
        Remove double `Generated from foo.m4sh' lines.

diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index e03543b665ab9a1ca861f844f6786edae2cd0879..530c971e7a91c45f9286b3d1f11449d6cb6c041f 100644 (file)
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -1360,7 +1360,7 @@ 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.$ac_objext > conftest.lst
-      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst'
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >/dev/null 2>&1'
       AC_TRY_EVAL([lt_ar_try])
       if test "$ac_status" -eq 0; then
        # Ensure the archiver fails upon bogus file names.