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https://bugs.gentoo.org/874759
https://bugs.gentoo.org/883285
https://bugs.gentoo.org/919260
https://src.fedoraproject.org/rpms/udns/c/27e7b66faa416c13b113e895c204373596282c37?branch=rawhide
Provide autoconf-style fake prototype for socket to avoid implicit
function declarations. Otherwise the check will always fail with soem
C99 compilers.
Avoid incorrect pointer types and a pointer-to-int conversion with
inet_pton and inet_ntop.
--- a/configure
+++ b/configure
@@ -75,6 +75,7 @@ int main(int argc, char **argv) {
EOF
if ac_library_find_v 'socket and connect' "" "-lsocket -lnsl" <<EOF
+char socket(void); char connect(void);
int main() { socket(); connect(); return 0; }
EOF
then :
@@ -92,8 +93,8 @@ ac_ign \
int main() {
char buf[64];
long x = 0;
- inet_pton(AF_INET, &x, buf);
- return inet_ntop(AF_INET, &x, buf, sizeof(buf));
+ inet_pton(AF_INET, (void *) &x, buf);
+ return inet_ntop(AF_INET, (void *) &x, buf, sizeof(buf)) != 0;
}
EOF
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