defined QSE_PATH_MAX

added more operators to qse_ip4ad_t for c++

qse/configure

@@ -21043,6 +21043,37 @@ fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PATH_MAX" >&5
+$as_echo_n "checking for PATH_MAX... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+	#include <limits.h>
+int
+main ()
+{
+;;;;;;;;;;
+PATH_MAX
+  ;
+  return 0;
+}
+
+_ACEOF
+qse_cv_path_max="`$ac_cv_prog_CPP conftest.c | awk '/;;;;;;;;;;/ { start=1 } /^(0|1|2|3|4|5|6|7|8|9)(0|1|2|3|4|5|6|7|8|9)*/ { if (start == 1) { print $0; start++; } }'`"
+if test "x${qse_cv_path_max}" = "x"
+then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not defined" >&5
+$as_echo "not defined" >&6; }
+else
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${qse_cv_path_max}" >&5
+$as_echo "${qse_cv_path_max}" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define QSE_PATH_MAX ${qse_cv_path_max}
+_ACEOF
+
+fi
+
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.