[master] portability fix

3614.	[port]		Check for <linux/types.h>. [RT #34162]

CHANGES

+3614.	[port]		Check for <linux/types.h>. [RT #34162]
+
 3613.	[bug]		named could crash when deleting inline-signing
 			zones with "rndc delzone". [RT #34066]
 

bin/named/unix/os.c

@@ -117,6 +117,9 @@ static int dfd[2] = { -1, -1 };
 static isc_boolean_t non_root = ISC_FALSE;
 static isc_boolean_t non_root_caps = ISC_FALSE;
 
+#ifdef HAVE_LINUX_TYPES_H
+#include <linux/types.h>
+#endif
 #ifdef HAVE_SYS_CAPABILITY_H
 #include <sys/capability.h>
 #else

config.h.in

@@ -284,6 +284,9 @@ int sigwait(const unsigned int *set, int *sig);
 /* Define to 1 if you have the <linux/capability.h> header file. */
 #undef HAVE_LINUX_CAPABILITY_H
 
+/* Define to 1 if you have the <linux/types.h> header file. */
+#undef HAVE_LINUX_TYPES_H
+
 /* Define to 1 if you have the <locale.h> header file. */
 #undef HAVE_LOCALE_H
 

configure

@@ -18033,10 +18033,26 @@ fi
 case "$enable_linux_caps" in
 	yes|'')
-		for ac_header in linux/capability.h sys/capability.h
+		for ac_header in linux/types.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "linux/types.h" "ac_cv_header_linux_types_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_types_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LINUX_TYPES_H 1
+_ACEOF
+
+fi
+
+done
+
+                for ac_header in linux/capability.h sys/capability.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "#ifdef HAVE_LINUX_TYPES_H
+                                  #include <linux/types.h>
+                                  #endif
+
+"
 if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1

configure.in

@@ -2618,7 +2618,12 @@ AC_ARG_ENABLE(linux-caps,
 	[  --disable-linux-caps	  disable linux capabilities])
 case "$enable_linux_caps" in
 	yes|'')
-		AC_CHECK_HEADERS(linux/capability.h sys/capability.h)
+		AC_CHECK_HEADERS(linux/types.h)
+		AC_CHECK_HEADERS([linux/capability.h sys/capability.h], [], [],
+				 [#ifdef HAVE_LINUX_TYPES_H
+				  #include <linux/types.h>
+				  #endif
+				 ])
 		AC_CHECK_LIB(cap, cap_set_proc)
 		;;
 	no)