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https://sourceforge.net/p/cups-bjnp/patches/5/
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -25,9 +25,9 @@
#include <sys/socket.h> ], [
/* AF_INET6 available check */
if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
- exit(1);
+ return 1;
else
- exit(0);
+ return 0;
],[
AC_MSG_RESULT(yes)
AC_DEFINE([ENABLE_IPV6], 1, [Define to 1 if the system supports IPv6])
@@ -47,7 +47,7 @@
/* test if the ss_family member exists in struct sockaddr_storage */
struct sockaddr_storage ss;
ss.ss_family = AF_INET;
- exit (0);
+ return 0;
], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAS_SS_FAMILY], 1, [Define to 1 if struct sockaddr_storage has an ss_family member])
@@ -59,7 +59,7 @@
/* test if the __ss_family member exists in struct sockaddr_storage */
struct sockaddr_storage ss;
ss.__ss_family = AF_INET;
- exit (0);
+ return 0;
], [
AC_MSG_RESULT([no, but __ss_family exists])
AC_DEFINE([HAS___SS_FAMILY], 1, [Define to 1 if struct sockaddr_storage has __ss_family instead of ss_family])
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