# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1504217198 14400
# Node ID 3a07616e660b539b8febad41d96351941ed52d9d
# Parent  3706091dc91c912bfd3891eeb8f4540c704cde2a
eliminate custom checks for dirent library (bug #51830)

We get dirent.h and the functions it provides from gnulib.

* configure.ac: Don't call AC_HEADER_DIRENT.  Eliminate checks for
dirent library on Windows systems.
* bootstrap.conf (gnulib_modules): Also include rewinddir in the list.

diff -r 3706091dc91c -r 3a07616e660b bootstrap.conf
--- a/bootstrap.conf	Thu Aug 31 15:38:31 2017 -0700
+++ b/bootstrap.conf	Thu Aug 31 18:06:38 2017 -0400
@@ -67,6 +67,7 @@
   progname
   putenv
   readdir
+  rewinddir
   rmdir
   select
   sigaction
diff -r 3706091dc91c -r 3a07616e660b configure.ac
--- a/configure.ac	Thu Aug 31 15:38:31 2017 -0700
+++ b/configure.ac	Thu Aug 31 18:06:38 2017 -0400
@@ -2254,31 +2254,11 @@
 
 OCTAVE_ENABLE_READLINE
 
-### Check for existence of various libraries
-
-## OS-specific test for dirent, opendir.
-case $host_os in
-  mingw*)
-    if test $have_msvc = yes; then
-      AC_CHECK_LIB([dirent], [opendir])
-      LIBS="$LIBS -ladvapi32 -lgdi32 -lws2_32 -luser32 -lkernel32"
-    else
-      LIBS="$LIBS -lgdi32 -lws2_32 -luser32 -lkernel32"
-    fi
-    LIBS="$LIBS -lgdi32 -lws2_32 -luser32 -lkernel32"
-  ;;
-  msdosmsvc)
-    AC_CHECK_LIB([dirent], [opendir])
-    LIBS="$LIBS -ladvapi32 -lgdi32 -lws2_32 -luser32 -lkernel32"
-  ;;
-esac
-
 ## Find a termlib to use.
 OCTAVE_CHECK_LIB_TERMLIB
 
 ### Checks for header files.
 
-AC_HEADER_DIRENT
 AC_HEADER_SYS_WAIT
 
 ## C headers