blob: d23900ed2f5c5d868bda582f401efcaefc95e12a (
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--- a/lib/erl_interface/src/connect/ei_resolve.c
+++ b/lib/erl_interface/src/connect/ei_resolve.c
@@ -642,7 +642,7 @@ struct hostent *ei_gethostbyname_r(const
#ifndef HAVE_GETHOSTBYNAME_R
return my_gethostbyname_r(name,hostp,buffer,buflen,h_errnop);
#else
-#if (defined(__GLIBC__) || (__FreeBSD_version >= 602000) || defined(__DragonFly__) || defined(__ANDROID__))
+#if (defined(_GNU_SOURCE) || (__FreeBSD_version >= 602000) || defined(__DragonFly__) || defined(__ANDROID__))
struct hostent *result;
gethostbyname_r(name, hostp, buffer, buflen, &result, h_errnop);
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