From: Viktor Szakats <commit@vsz.me>
Date: Tue, 18 Oct 2022 18:27:59 +0000 (+0000)
Subject: hostip: guard PF_INET6 use
X-Git-Tag: curl-7_86_0~34
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1c567f797bce0befce109bceac6cf751331ae43f;p=thirdparty%2Fcurl.git

hostip: guard PF_INET6 use

Some platforms (e.g. Amiga OS) do not have `PF_INET6`. Adjust the code
for these.

```
hostip.c: In function 'fetch_addr':
hostip.c:308:12: error: 'PF_INET6' undeclared (first use in this function)
       pf = PF_INET6;
            ^~~~~~~~
```

Regression from 1902e8fc511078fb5e26fc2b907b4cce77e1240d

Reviewed-by: Daniel Stenberg

Closes #9760
---

diff --git a/lib/hostip.c b/lib/hostip.c
index 0eb565a2e5..941ecacf4a 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -303,8 +303,10 @@ static struct Curl_dns_entry *fetch_addr(struct Curl_easy *data,
     bool found = false;
     struct Curl_addrinfo *addr = dns->addr;
 
+#ifdef PF_INET6
     if(data->conn->ip_version == CURL_IPRESOLVE_V6)
       pf = PF_INET6;
+#endif
 
     while(addr) {
       if(addr->ai_family == pf) {