getcwd: an old bug fix

[Bruno Haible]

Since 2009-09-10, there is a small bug in getcwd.m4: it treats
gl_cv_func_getcwd_null="guessing yes" like a "no" in one place.

This fixes it.


2011-11-20  Bruno Haible  <address@hidden>

        getcwd: Fix bug from 2009-09-10.
        * m4/getcwd.m4 (gl_FUNC_GETCWD): Treat "guessing yes" like "yes", not
        like "no".

--- m4/getcwd.m4.orig   Sun Nov 20 23:27:12 2011
+++ m4/getcwd.m4        Sun Nov 20 23:25:20 2011
@@ -6,7 +6,7 @@
 # with or without modifications, as long as this notice is preserved.
 
 # Written by Paul Eggert.
-# serial 9
+# serial 10
 
 AC_DEFUN([gl_FUNC_GETCWD_NULL],
   [
@@ -108,12 +108,18 @@
   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
 
   gl_abort_bug=no
-  case $gl_cv_func_getcwd_null,$host_os in
-  *,mingw*)
-    gl_cv_func_getcwd_path_max=yes;;
-  yes,*)
-    gl_FUNC_GETCWD_PATH_MAX
-    gl_FUNC_GETCWD_ABORT_BUG([gl_abort_bug=yes]);;
+  case "$host_os" in
+    mingw*)
+      gl_cv_func_getcwd_path_max=yes
+      ;;
+    *)
+      case "$gl_cv_func_getcwd_null" in
+        *yes)
+          gl_FUNC_GETCWD_PATH_MAX
+          gl_FUNC_GETCWD_ABORT_BUG([gl_abort_bug=yes])
+          ;;
+      esac
+      ;;
   esac
 
   case 
$gl_cv_func_getcwd_null,$gl_cv_func_getcwd_posix_signature$gl_cv_func_getcwd_path_max,$gl_abort_bug
 in


-- 
In memoriam Kerem Yılmazer <http://en.wikipedia.org/wiki/Kerem_Yılmazer>