[SCM] GNU Libtool branch, master, updated. v2.2.4-16-g154ca8a

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 154ca8a7087116d45e7e66d218d5d84f02708ebb
Author: Stas Maximov <address@hidden>
Date:   Sun Jun 1 09:36:19 2008 +0200

    Check only regular files, not devices, for lalibs.
    
    * libltdl/config/ltmain.m4sh (functions func_lalib_p)
    (func_lalib_unsafe_p): Only read regular files and not device
    files.  Avoids blocking libtool executing gdb, when a
    pseudo-terminal device /dev/pts/NN is given as one of the
    arguments to gdb, as in:
    libtool --mode=execute gdb -q -nw -i mi -tty /dev/pts/4 prog
    
    Signed-off-by: Stas Maximov <address@hidden>
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog                  |   10 ++++++++++
 libltdl/config/ltmain.m4sh |    7 ++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 90c8ebd..6dc24f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2006-05-01  Stas Maximov  <address@hidden>  (tiny change)
+
+       Check only regular files, not devices, for lalibs.
+       * libltdl/config/ltmain.m4sh (functions func_lalib_p)
+       (func_lalib_unsafe_p): Only read regular files and not device
+       files.  Avoids blocking libtool executing gdb, when a
+       pseudo-terminal device /dev/pts/NN is given as one of the
+       arguments to gdb, as in:
+       libtool --mode=execute gdb -q -nw -i mi -tty /dev/pts/4 prog
+
 2008-05-31  Peter O'Gorman  <address@hidden>
 
        Skip darwin test if fat link fails.
diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index 144bc76..84977a0 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -451,8 +451,9 @@ $opt_help || {
 # determined imposters.
 func_lalib_p ()
 {
-    $SED -e 4q "$1" 2>/dev/null \
-      | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+    test -f "$1" && 
+      $SED -e 4q "$1" 2>/dev/null \
+        | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
 }
 
 # func_lalib_unsafe_p file
@@ -465,7 +466,7 @@ func_lalib_p ()
 func_lalib_unsafe_p ()
 {
     lalib_p=no
-    if test -r "$1" && exec 5<&0 <"$1"; then
+    if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
        for lalib_p_l in 1 2 3 4
        do
            read lalib_p_line


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