if a module provides a function it should also do so if the function

is not functional due to configure findings
the function should offer a meaningful warning if it is not supported
instead of just beeing undefined
i had already changed this in 'gd', now this is doing it for 'standard'

ext/standard/basic_functions.c

@@ -87,10 +87,8 @@ function_entry basic_functions[] = {
 	PHP_FE(time,									NULL)
 	PHP_FE(mktime,									NULL)
 	PHP_FE(gmmktime,								NULL)
-#if HAVE_STRFTIME
 	PHP_FE(strftime,								NULL)
 	PHP_FE(gmstrftime,								NULL)
-#endif
 	PHP_FE(strtotime,								NULL)
 	PHP_FE(date,									NULL)
 	PHP_FE(gmdate,									NULL)
@@ -202,10 +200,9 @@ function_entry basic_functions[] = {
 	PHP_FE(gethostbyaddr,							NULL)
 	PHP_FE(gethostbyname,							NULL)
 	PHP_FE(gethostbynamel,							NULL)
-#if !defined(PHP_WIN32)||HAVE_BINDLIB
+
 	PHP_FE(checkdnsrr,								NULL)
 	PHP_FE(getmxrr,									second_and_third_args_force_ref)
-#endif
 
 	PHP_FE(getmyuid,								NULL)
 	PHP_FE(getmypid,								NULL)
@@ -246,15 +243,12 @@ function_entry basic_functions[] = {
 	PHP_FE(long2ip,									NULL)
 
 	PHP_FE(getenv,									NULL)
-#ifdef HAVE_PUTENV
 	PHP_FE(putenv,									NULL)
-#endif
 
 	PHP_FE(microtime,								NULL)
 	PHP_FE(gettimeofday,							NULL)
-#ifdef HAVE_GETRUSAGE
+
 	PHP_FE(getrusage,								NULL)
-#endif
 	
 	PHP_FE(uniqid,									NULL)
 		
@@ -328,10 +322,8 @@ function_entry basic_functions[] = {
 	PHP_FALIAS(join,			implode,			NULL)
 	PHP_FE(sql_regcase,								NULL)
 
-#ifdef HAVE_LIBDL
 	/* functions from dl.c */
 	PHP_FE(dl,							NULL)
-#endif
 
 	/* functions from file.c */
 	PHP_FE(pclose,				NULL)
@@ -367,9 +359,7 @@ function_entry basic_functions[] = {
 	   use socket_set_blocking() instead */
 	PHP_FE(set_socket_blocking,	NULL)
 	PHP_FE(socket_set_blocking,	NULL)
-#if HAVE_SYS_TIME_H
 	PHP_FE(socket_set_timeout,	NULL)
-#endif
 	PHP_FE(socket_get_status,	NULL)
 	PHP_FE(realpath,			NULL)
 
@@ -384,10 +374,8 @@ function_entry basic_functions[] = {
 	/* functions from browscap.c */
 	PHP_FE(get_browser,			NULL)
 
-#if HAVE_CRYPT
 	/* functions from crypt.c */
 	PHP_FE(crypt,				NULL)
-#endif
 
 	/* functions from dir.c */
 	PHP_FE(opendir,				NULL)
@@ -804,12 +792,12 @@ PHP_FUNCTION(getenv)
 }
 /* }}} */
 
-#ifdef HAVE_PUTENV
 
 /* {{{ proto void putenv(string setting)
    Set the value of an environment variable */
 PHP_FUNCTION(putenv)
 {
+#ifdef HAVE_PUTENV
 	pval **str;
 	BLS_FETCH();
 
@@ -883,9 +871,11 @@ PHP_FUNCTION(putenv)
 			RETURN_FALSE;
 		}
 	}
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif
 }
 /* }}} */
-#endif
 
 
 /*******************

ext/standard/crypt.c

@@ -115,11 +115,13 @@ static void php_to64(char *s, long v, int n)	{
 		v >>= 6;
 	} 
 } 
+#endif /* HAVE_CRYPT */
 
 /* {{{ proto string crypt(string str [, string salt])
    Encrypt a string */
 PHP_FUNCTION(crypt)
 {
+#if HAVE_CRYPT
 	char salt[PHP_MAX_SALT_LEN+1];
 	pval **arg1, **arg2;
 
@@ -176,9 +178,11 @@ PHP_FUNCTION(crypt)
 	return_value->value.str.len = strlen(return_value->value.str.val);
 	return_value->type = IS_STRING;
 	pval_copy_constructor(return_value);
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif /* HAVE_CRYPT */
 }
 /* }}} */
-#endif
 
 
 

ext/standard/datetime.c

@@ -677,11 +677,17 @@ void _php_strftime(INTERNAL_FUNCTION_PARAMETERS, int gm)
 	efree(buf);
 	RETURN_FALSE;
 }
+#endif
+
 /* {{{ proto string strftime(string format [, int timestamp])
    Format a local time/date according to locale settings */
 PHP_FUNCTION(strftime)
 {
+#if HAVE_STRFTIME
 	_php_strftime(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif
 }
 /* }}} */
 
@@ -689,11 +695,14 @@ PHP_FUNCTION(strftime)
    Format a GMT/CUT time/date according to locale settings */
 PHP_FUNCTION(gmstrftime)
 {
+#if HAVE_STRFTIME
 	_php_strftime(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif
 }
 /* }}} */
 
-#endif
 
 /* {{{ proto int strtotime(string time, int now)
    Convert string representation of date and time to a timestamp */

ext/standard/dl.h

@@ -37,12 +37,12 @@
 
 void php_dl(pval *file,int type,pval *return_value);
 
-#ifdef HAVE_LIBDL
 
 /* dynamic loading functions */
 PHP_FUNCTION(dl);
-PHP_MINFO_FUNCTION(dl);
 
+#ifdef HAVE_LIBDL
+PHP_MINFO_FUNCTION(dl);
 #else
 
 #endif

ext/standard/dns.c

@@ -159,12 +159,12 @@ char *php_gethostbyname(char *name)
 	return estrdup(inet_ntoa(in));
 }
 
-#if !defined(PHP_WIN32)||HAVE_BINDLIB
 
 /* {{{ proto int checkdnsrr(string host [, string type])
    Check DNS records corresponding to a given Internet host name or IP address */
 PHP_FUNCTION(checkdnsrr)
 {
+#if !defined(PHP_WIN32)||HAVE_BINDLIB
 	pval **arg1,**arg2;
 	int type,i;
 #ifndef MAXPACKET
@@ -206,9 +206,14 @@ PHP_FUNCTION(checkdnsrr)
 		RETURN_FALSE;
 	}
 	RETURN_TRUE;
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif
 }
 /* }}} */
 
+#if !defined(PHP_WIN32)||HAVE_BINDLIB
+
 #ifndef HFIXEDSZ
 #define HFIXEDSZ        12      /* fixed data in header <arpa/nameser.h> */
 #endif /* HFIXEDSZ */
@@ -220,11 +225,13 @@ PHP_FUNCTION(checkdnsrr)
 #ifndef MAXHOSTNAMELEN
 #define MAXHOSTNAMELEN  256
 #endif /* MAXHOSTNAMELEN */
+#endif
 
 /* {{{ proto int getmxrr(string hostname, array mxhosts [, array weight])
    Get MX records corresponding to a given Internet host name */
 PHP_FUNCTION(getmxrr)
 {
+#if !defined(PHP_WIN32)||HAVE_BINDLIB
 	pval *host, *mx_list, *weight_list;
 	int need_weight = 0;
 	int count,qdc;
@@ -307,10 +314,12 @@ PHP_FUNCTION(getmxrr)
 		}
 	}
 	RETURN_TRUE;
+#else
+    PHP_NOT_IN_THIS_BUILD;
+#endif
 }
 /* }}} */
 
-#endif
 /*
  * Local variables:
  * tab-width: 4

ext/standard/file.c

@@ -845,9 +845,9 @@ PHP_FUNCTION(set_socket_blocking)
 
 /* {{{ proto bool socket_set_timeout(int socket descriptor, int seconds, int microseconds)
    Set timeout on socket read to seconds + microseonds */
-#if HAVE_SYS_TIME_H
 PHP_FUNCTION(socket_set_timeout)
 {
+#if HAVE_SYS_TIME_H
 	zval **socket, **seconds, **microseconds;
 	int type;
 	void *what;
@@ -876,8 +876,10 @@ PHP_FUNCTION(socket_set_timeout)
 
 	php_sockset_timeout(socketd, &t);
 	RETURN_TRUE;
-}
+#else
+    PHP_NOT_IN_THIS_BUILD;
 #endif /* HAVE_SYS_TIME_H */
+}
 
 /* }}} */
 

ext/standard/microtime.c

@@ -89,11 +89,11 @@ PHP_FUNCTION(gettimeofday)
 }
 /* }}} */
 
-#ifdef HAVE_GETRUSAGE
 /* {{{ proto array getrusage([int who])
    Returns an array of usage statistics */
 PHP_FUNCTION(getrusage)
 {
+#ifdef HAVE_GETRUSAGE
 	struct rusage usg;
 	int ac = ARG_COUNT(ht);
 	pval **pwho;
@@ -133,8 +133,10 @@ PHP_FUNCTION(getrusage)
 	PHP_RUSAGE_PARA(ru_stime.tv_usec);
 	PHP_RUSAGE_PARA(ru_stime.tv_sec);
 #undef PHP_RUSAGE_PARA
-}
+#else
+    PHP_NOT_IN_THIS_BUILD;
 #endif /* HAVE_GETRUSAGE */
+}
 
 /* }}} */
 

ext/standard/php_crypt.h

@@ -21,8 +21,8 @@
 #ifndef PHP_CRYPT_H
 #define PHP_CRYPT_H
 
-#if HAVE_CRYPT
 PHP_FUNCTION(crypt);
+#if HAVE_CRYPT
 extern PHP_MINIT_FUNCTION(crypt);
 #endif
 

main/php.h

@@ -366,6 +366,12 @@ PHPAPI int cfg_get_string(char *varname, char **result);
 #define XtOffsetOf(s_type,field) XtOffset(s_type*,field)
 #endif
 
+
+#define PHP_NOT_IN_THIS_BUILD { \
+  php_error(E_WARNING, "%s: not supported in this PHP build",get_active_function_name()); \
+  RETURN_FALSE; \
+}
+
 #endif
 
 /*