[lcd4linux @ 2004-01-29 05:53:47 by reinelt]

uClibc compatibility issues from Martin Hejl

3 files changed, 503 insertions, 75 deletions

diff --git a/config.h.in b/config.h.in
index 33c0a5d..32e14b2 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1,8 +1,14 @@
 /* config.h.in.  Generated from configure.in by autoheader.  */
 
+/* Define to 1 if the `closedir' function returns void instead of `int'. */
+#undef CLOSEDIR_VOID
+
 /* Found some version of curses that we're going to use */
 #undef HAS_CURSES
 
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
 /* Define to 1 if you have the <asm/io.h> header file. */
 #undef HAVE_ASM_IO_H
 
@@ -12,6 +18,10 @@
 /* Define to 1 if you have the `atexit' function. */
 #undef HAVE_ATEXIT
 
+/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_DIRENT_H
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
@@ -33,6 +43,9 @@
 /* Define to 1 if you have the `gethostbyname' function. */
 #undef HAVE_GETHOSTBYNAME
 
+/* Define to 1 if you have the `getloadavg' function. */
+#undef HAVE_GETLOADAVG
+
 /* Define to 1 if you have the `gettimeofday' function. */
 #undef HAVE_GETTIMEOFDAY
 
@@ -63,6 +76,9 @@
 /* Define to 1 if you have the `memset' function. */
 #undef HAVE_MEMSET
 
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+#undef HAVE_NDIR_H
+
 /* Define to 1 if you have the <netdb.h> header file. */
 #undef HAVE_NETDB_H
 
@@ -78,6 +94,9 @@
 /* Define to 1 if you have the `putenv' function. */
 #undef HAVE_PUTENV
 
+/* Define to 1 if you have the `regcomp' function. */
+#undef HAVE_REGCOMP
+
 /* Define to 1 if you have the `select' function. */
 #undef HAVE_SELECT
 
@@ -124,6 +143,9 @@
 /* Define to 1 if you have the `strpbrk' function. */
 #undef HAVE_STRPBRK
 
+/* Define to 1 if you have the `strrchr' function. */
+#undef HAVE_STRRCHR
+
 /* Define to 1 if you have the `strstr' function. */
 #undef HAVE_STRSTR
 
@@ -133,12 +155,20 @@
 /* Define to 1 if you have the <syslog.h> header file. */
 #undef HAVE_SYSLOG_H
 
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_DIR_H
+
 /* Define to 1 if you have the <sys/ioctl.h> header file. */
 #undef HAVE_SYS_IOCTL_H
 
 /* Define to 1 if you have the <sys/io.h> header file. */
 #undef HAVE_SYS_IO_H
 
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_NDIR_H
+
 /* Define to 1 if you have the <sys/param.h> header file. */
 #undef HAVE_SYS_PARAM_H
 
diff --git a/configure b/configure
index 173a308..28139d1 100755
--- a/configure
+++ b/configure
@@ -3455,7 +3455,7 @@ fi
 
 # Using `AC_PROG_RANLIB' is rendered
 # obsolete by `AC_PROG_LIBTOOL' :-(
-# AC_PROG_RANLIB
+#AC_PROG_RANLIB
 # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -21127,7 +21127,6 @@ echo "$as_me: error: You should include at least one driver..." >&2;}
 fi
 
 # Raster.lo depends on PPM or PNG
-  Raster.lo depends on PPM or NG
 if test "$RASTER" = "yes"; then
 #  DRIVERS="$DRIVERS Raster.lo"
    DRIVERS="$DRIVERS Raster.o"
@@ -21308,6 +21307,331 @@ _ACEOF
 
 fi
 
+
+
+
+
+
+ac_header_dirent=no
+for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
+  as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
+echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <$ac_hdr>
+
+int
+main ()
+{
+if ((DIR *) 0)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_Header=no"
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
+_ACEOF
+
+ac_header_dirent=$ac_hdr; break
+fi
+
+done
+# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
+if test $ac_header_dirent = dirent.h; then
+  echo "$as_me:$LINENO: checking for library containing opendir" >&5
+echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6
+if test "${ac_cv_search_opendir+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_opendir=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main ()
+{
+opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_opendir="none required"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_opendir" = no; then
+  for ac_lib in dir; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main ()
+{
+opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_opendir="-l$ac_lib"
+break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
+echo "${ECHO_T}$ac_cv_search_opendir" >&6
+if test "$ac_cv_search_opendir" != no; then
+  test "$ac_cv_search_opendir" = "none required" || LIBS="$ac_cv_search_opendir $LIBS"
+
+fi
+
+else
+  echo "$as_me:$LINENO: checking for library containing opendir" >&5
+echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6
+if test "${ac_cv_search_opendir+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_opendir=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main ()
+{
+opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_opendir="none required"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_opendir" = no; then
+  for ac_lib in x; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main ()
+{
+opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_opendir="-l$ac_lib"
+break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
+echo "${ECHO_T}$ac_cv_search_opendir" >&6
+if test "$ac_cv_search_opendir" != no; then
+  test "$ac_cv_search_opendir" = "none required" || LIBS="$ac_cv_search_opendir $LIBS"
+
+fi
+
+fi
+
 echo "$as_me:$LINENO: checking for sys/wait.h that is POSIX.1 compatible" >&5
 echo $ECHO_N "checking for sys/wait.h that is POSIX.1 compatible... $ECHO_C" >&6
 if test "${ac_cv_header_sys_wait_h+set}" = set; then
@@ -21391,7 +21715,8 @@ fi
 
 
 
-for ac_header in fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h
+
+for ac_header in arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
@@ -22698,70 +23023,6 @@ fi
 
 
 # Checks for library functions.
-echo "$as_me:$LINENO: checking for error_at_line" >&5
-echo $ECHO_N "checking for error_at_line... $ECHO_C" >&6
-if test "${ac_cv_lib_error_at_line+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-error_at_line (0, 0, "", 0, "");
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_lib_error_at_line=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_error_at_line=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_error_at_line" >&5
-echo "${ECHO_T}$ac_cv_lib_error_at_line" >&6
-if test $ac_cv_lib_error_at_line = no; then
-  case $LIBOBJS in
-    "error.$ac_objext"   | \
-  *" error.$ac_objext"   | \
-    "error.$ac_objext "* | \
-  *" error.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS error.$ac_objext" ;;
-esac
-
-fi
-
 
 
 for ac_header in unistd.h vfork.h
@@ -23245,6 +23506,131 @@ _ACEOF
 
 fi
 
+echo "$as_me:$LINENO: checking whether closedir returns void" >&5
+echo $ECHO_N "checking whether closedir returns void... $ECHO_C" >&6
+if test "${ac_cv_func_closedir_void+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_func_closedir_void=yes
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header_dirent>
+#ifndef __cplusplus
+int closedir ();
+#endif
+
+int
+main ()
+{
+exit (closedir (opendir (".")) != 0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_closedir_void=no
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_closedir_void=yes
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_func_closedir_void" >&5
+echo "${ECHO_T}$ac_cv_func_closedir_void" >&6
+if test $ac_cv_func_closedir_void = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define CLOSEDIR_VOID 1
+_ACEOF
+
+fi
+
+echo "$as_me:$LINENO: checking for error_at_line" >&5
+echo $ECHO_N "checking for error_at_line... $ECHO_C" >&6
+if test "${ac_cv_lib_error_at_line+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+error_at_line (0, 0, "", 0, "");
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_error_at_line=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_error_at_line=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_error_at_line" >&5
+echo "${ECHO_T}$ac_cv_lib_error_at_line" >&6
+if test $ac_cv_lib_error_at_line = no; then
+  case $LIBOBJS in
+    "error.$ac_objext"   | \
+  *" error.$ac_objext"   | \
+    "error.$ac_objext "* | \
+  *" error.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS error.$ac_objext" ;;
+esac
+
+fi
+
 if test $ac_cv_c_compiler_gnu = yes; then
     echo "$as_me:$LINENO: checking whether $CC needs -traditional" >&5
 echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6
@@ -23296,6 +23682,10 @@ echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6
 fi
 
 
+# uClibc has no getloadavg()
+# AC_FUNC_GETLOADAVG sounds promising, but does not really work
+#AC_FUNC_GETLOADAVG
+
 #removed for uClibc compatibility
 #AC_FUNC_MALLOC
 #AC_FUNC_REALLOC
@@ -23856,7 +24246,10 @@ fi
 
 
 
-for ac_func in atexit dup2 gethostbyname gettimeofday memmove memset pow putenv select socket sqrt strcasecmp strchr strdup strerror strncasecmp strndup strpbrk strstr strtol uname
+
+
+
+for ac_func in atexit dup2 gethostbyname getloadavg gettimeofday memmove memset pow putenv regcomp select socket sqrt strcasecmp strchr strdup strerror strncasecmp strndup strpbrk strrchr strstr strtol uname
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
diff --git a/configure.in b/configure.in
index e0a3b01..652386d 100644
--- a/configure.in
+++ b/configure.in
@@ -1,10 +1,10 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.57)
+AC_PREREQ(2.59)
 AC_INIT([LCD4Linux],[0.9.12],[reinelt@eunet.at])
 AC_CONFIG_SRCDIR([lcd4linux.c])
-AM_INIT_AUTOMAKE(lcd4linux,0.9.12)
+AM_INIT_AUTOMAKE([lcd4linux],0.9.12)
 AM_CONFIG_HEADER(config.h)
 
 # Checks for programs.
@@ -16,7 +16,7 @@ AC_PROG_LN_S
 AC_PROG_MAKE_SET
 # Using `AC_PROG_RANLIB' is rendered 
 # obsolete by `AC_PROG_LIBTOOL' :-(
-# AC_PROG_RANLIB
+#AC_PROG_RANLIB
 AC_PROG_LIBTOOL
 
 # Checks for libraries.
@@ -261,7 +261,6 @@ if test "$DRIVERS" = ""; then
 fi
    
 # Raster.lo depends on PPM or PNG
-  Raster.lo depends on PPM or NG
 if test "$RASTER" = "yes"; then
 #  DRIVERS="$DRIVERS Raster.lo"
    DRIVERS="$DRIVERS Raster.o"
@@ -278,8 +277,9 @@ AC_SUBST(DRVLIBS)
 
 # Checks for header files.
 AC_HEADER_STDC
+AC_HEADER_DIRENT
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h])
+AC_CHECK_HEADERS([arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h])
 AC_CHECK_HEADERS(sys/io.h asm/io.h)
 AC_CHECK_HEADERS(linux/parport.h linux/ppdev.h)
 AC_CHECK_HEADERS(linux/dvb/frontend.h)
@@ -295,10 +295,15 @@ AC_HEADER_TIME
 AC_TYPE_UID_T
 
 # Checks for library functions.
-AC_FUNC_ERROR_AT_LINE
 AC_FUNC_FORK
+AC_FUNC_CLOSEDIR_VOID
+AC_FUNC_ERROR_AT_LINE
 AC_PROG_GCC_TRADITIONAL
 
+# uClibc has no getloadavg()
+# AC_FUNC_GETLOADAVG sounds promising, but does not really work
+#AC_FUNC_GETLOADAVG
+
 #removed for uClibc compatibility
 #AC_FUNC_MALLOC
 #AC_FUNC_REALLOC
@@ -307,7 +312,7 @@ AC_FUNC_MEMCMP
 AC_FUNC_SELECT_ARGTYPES
 AC_TYPE_SIGNAL
 AC_FUNC_STAT
-AC_CHECK_FUNCS([atexit dup2 gethostbyname gettimeofday memmove memset pow putenv select socket sqrt strcasecmp strchr strdup strerror strncasecmp strndup strpbrk strstr strtol uname])
+AC_CHECK_FUNCS([atexit dup2 gethostbyname getloadavg gettimeofday memmove memset pow putenv regcomp select socket sqrt strcasecmp strchr strdup strerror strncasecmp strndup strpbrk strrchr strstr strtol uname])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT