the source file doesn't include limits.h.
*/
#undef HAVE_DECL_ERRNO
+/* Define to 1 if you have the declaration of `HOST_NAME_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_HOST_NAME_MAX
+
/* Define to 1 if you have the declaration of `h_errno', and to 0 if you
don't. */
#undef HAVE_DECL_H_ERRNO
+/* Define to 1 if you have the declaration of `LLONG_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_LLONG_MAX
+
+/* Define to 1 if you have the declaration of `LLONG_MIN', and to 0 if you
+ don't. */
+#undef HAVE_DECL_LLONG_MIN
+
+/* Define to 1 if you have the declaration of `OPEN_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_OPEN_MAX
+
+/* Define to 1 if you have the declaration of `PATH_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_PATH_MAX
+
+/* Define to 1 if you have the declaration of `QUAD_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_QUAD_MAX
+
+/* Define to 1 if you have the declaration of `QUAD_MIN', and to 0 if you
+ don't. */
+#undef HAVE_DECL_QUAD_MIN
+
+/* Define to 1 if you have the declaration of `SIZE_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_SIZE_MAX
+
+/* Define to 1 if you have the declaration of `SIZE_T_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_SIZE_T_MAX
+
/* Define to 1 if you have the declaration of `sys_sigabbrev', and to 0 if you
don't. */
#undef HAVE_DECL_SYS_SIGABBREV
don't. */
#undef HAVE_DECL_SYS_SIGNAME
+/* Define to 1 if you have the declaration of `ULLONG_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_ULLONG_MAX
+
+/* Define to 1 if you have the declaration of `UQUAD_MAX', and to 0 if you
+ don't. */
+#undef HAVE_DECL_UQUAD_MAX
+
+/* Define to 1 if you have the declaration of `_POSIX_HOST_NAME_MAX', and to 0
+ if you don't. */
+#undef HAVE_DECL__POSIX_HOST_NAME_MAX
+
+/* Define to 1 if you have the declaration of `_POSIX_PATH_MAX', and to 0 if
+ you don't. */
+#undef HAVE_DECL__POSIX_PATH_MAX
+
/* Define to 1 if you have the declaration of `_sys_siglist', and to 0 if you
don't. */
#undef HAVE_DECL__SYS_SIGLIST
_ACEOF
+ac_fn_c_check_decl "$LINENO" "OPEN_MAX" "ac_cv_have_decl_OPEN_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_OPEN_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_OPEN_MAX $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "LLONG_MAX" "ac_cv_have_decl_LLONG_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_LLONG_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLONG_MAX $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "LLONG_MIN" "ac_cv_have_decl_LLONG_MIN" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_LLONG_MIN" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLONG_MIN $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "ULLONG_MAX" "ac_cv_have_decl_ULLONG_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_ULLONG_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ULLONG_MAX $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "SIZE_MAX" "ac_cv_have_decl_SIZE_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_SIZE_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_SIZE_MAX $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "PATH_MAX" "ac_cv_have_decl_PATH_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_PATH_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_PATH_MAX $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "HOST_NAME_MAX" "ac_cv_have_decl_HOST_NAME_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_HOST_NAME_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_HOST_NAME_MAX $ac_have_decl
+_ACEOF
+
+if test "$ac_cv_have_decl_LLONG_MAX" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "QUAD_MAX" "ac_cv_have_decl_QUAD_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_QUAD_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_QUAD_MAX $ac_have_decl
+_ACEOF
+
+fi
+if test "$ac_cv_have_decl_LLONG_MIN" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "QUAD_MIN" "ac_cv_have_decl_QUAD_MIN" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_QUAD_MIN" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_QUAD_MIN $ac_have_decl
+_ACEOF
+
+fi
+if test "$ac_cv_have_decl_ULLONG_MAX" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "UQUAD_MAX" "ac_cv_have_decl_UQUAD_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_UQUAD_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_UQUAD_MAX $ac_have_decl
+_ACEOF
+
+fi
+if test "$ac_cv_have_decl_SIZE_MAX" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "SIZE_T_MAX" "ac_cv_have_decl_SIZE_T_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl_SIZE_T_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_SIZE_T_MAX $ac_have_decl
+_ACEOF
+
+fi
+if test "$ac_cv_have_decl_PATH_MAX" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "_POSIX_PATH_MAX" "ac_cv_have_decl__POSIX_PATH_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl__POSIX_PATH_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL__POSIX_PATH_MAX $ac_have_decl
+_ACEOF
+
+fi
+if test "$ac_cv_have_decl_HOST_NAME_MAX" != "yes"; then
+ ac_fn_c_check_decl "$LINENO" "_POSIX_HOST_NAME_MAX" "ac_cv_have_decl__POSIX_HOST_NAME_MAX" "
+#include <sys/types.h>
+#include <limits.h>
+
+"
+if test "x$ac_cv_have_decl__POSIX_HOST_NAME_MAX" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL__POSIX_HOST_NAME_MAX $ac_have_decl
+_ACEOF
+
+fi
+
for ac_func in strsignal
do :
ac_fn_c_check_func "$LINENO" "strsignal" "ac_cv_func_strsignal"
#include <netdb.h>
])
+dnl
+dnl Check for incomplete limits.h
+dnl
+AC_CHECK_DECLS([OPEN_MAX, LLONG_MAX, LLONG_MIN, ULLONG_MAX, SIZE_MAX, PATH_MAX, HOST_NAME_MAX], [], [], [
+#include <sys/types.h>
+#include <limits.h>
+])
+dnl
+dnl Try to find equivalents for missing types
+dnl
+if test "$ac_cv_have_decl_LLONG_MAX" != "yes"; then
+ AC_CHECK_DECLS([QUAD_MAX], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+if test "$ac_cv_have_decl_LLONG_MIN" != "yes"; then
+ AC_CHECK_DECLS([QUAD_MIN], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+if test "$ac_cv_have_decl_ULLONG_MAX" != "yes"; then
+ AC_CHECK_DECLS([UQUAD_MAX], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+if test "$ac_cv_have_decl_SIZE_MAX" != "yes"; then
+ AC_CHECK_DECLS([SIZE_T_MAX], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+if test "$ac_cv_have_decl_PATH_MAX" != "yes"; then
+ AC_CHECK_DECLS([_POSIX_PATH_MAX], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+if test "$ac_cv_have_decl_HOST_NAME_MAX" != "yes"; then
+ AC_CHECK_DECLS([_POSIX_HOST_NAME_MAX], [], [], [[
+#include <sys/types.h>
+#include <limits.h>
+ ]])
+fi
+
dnl
dnl Check for strsignal() or sys_siglist
dnl
/*
* Some systems lack full limit definitions.
*/
-#ifndef OPEN_MAX
+#if defined(HAVE_DECL_OPEN_MAX) && !HAVE_DECL_OPEN_MAX
# define OPEN_MAX 256
#endif
-#ifndef LLONG_MAX
-# if defined(QUAD_MAX)
+#if defined(HAVE_DECL_LLONG_MAX) && !HAVE_DECL_LLONG_MAX
+# if defined(HAVE_DECL_QUAD_MAX) && HAVE_DECL_QUAD_MAX
# define LLONG_MAX QUAD_MAX
# else
# define LLONG_MAX 0x7fffffffffffffffLL
# endif
#endif
-#ifndef LLONG_MIN
-# if defined(QUAD_MIN)
+#if defined(HAVE_DECL_LLONG_MIN) && !HAVE_DECL_LLONG_MIN
+# if defined(HAVE_DECL_QUAD_MIN) && HAVE_DECL_QUAD_MIN
# define LLONG_MIN QUAD_MIN
# else
# define LLONG_MIN (-0x7fffffffffffffffLL-1)
# endif
#endif
-#ifndef ULLONG_MAX
-# if defined(UQUAD_MAX)
+#if defined(HAVE_DECL_ULLONG_MAX) && !HAVE_DECL_ULLONG_MAX
+# if defined(HAVE_DECL_UQUAD_MAX) && HAVE_DECL_UQUAD_MAX
# define ULLONG_MAX UQUAD_MAX
# else
# define ULLONG_MAX 0xffffffffffffffffULL
# endif
#endif
-#ifndef SIZE_MAX
-# ifdef SIZE_T_MAX
+#if defined(HAVE_DECL_SIZE_MAX) && !HAVE_DECL_SIZE_MAX
+# if defined(HAVE_DECL_SIZE_T_MAX) && HAVE_DECL_SIZE_T_MAX
# define SIZE_MAX SIZE_T_MAX
# else
# define SIZE_MAX ULONG_MAX
-# endif /* SIZE_T_MAX */
-#endif /* SIZE_MAX */
+# endif
+#endif
-#ifndef PATH_MAX
-# ifdef _POSIX_PATH_MAX
+#if defined(HAVE_DECL_PATH_MAX) && !HAVE_DECL_PATH_MAX
+# if defined(HAVE_DECL__POSIX_PATH_MAX) && HAVE_DECL__POSIX_PATH_MAX
# define PATH_MAX _POSIX_PATH_MAX
# else
# define PATH_MAX 256
# endif
#endif
-#ifndef HOST_NAME_MAX
-# ifdef _POSIX_HOST_NAME_MAX
+#if defined(HAVE_DECL_HOST_NAME_MAX) && !HAVE_DECL_HOST_NAME_MAX
+# if defined(HAVE_DECL__POSIX_HOST_NAME_MAX) && HAVE_DECL__POSIX_HOST_NAME_MAX
# define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
# else
# define HOST_NAME_MAX 255
#endif
/* For sig2str() */
-#ifndef SIG2STR_MAX
+#ifndef HAVE_SIG2STR
# define SIG2STR_MAX 32
#endif