https://bugs.gentoo.org/945194 - guard bool for modern compilers
https://bugs.gentoo.org/712644 - type aliaces for musl
--- a/src/iplog.h
+++ b/src/iplog.h
@@ -21,6 +21,8 @@
 #ifndef __IPLOG_H
 #define __IPLOG_H
 
+#include <sys/types.h> /* for u_* types */
+
 #ifndef HAVE_IPADDR_T
 	typedef u_int32_t ipaddr_t;
 #endif
@@ -82,7 +82,9 @@
 #	define min(x,y) ((x) < (y) ? (x) : (y))
 #endif
 
+#if __STDC_VERSION__ <= 201710L
 typedef enum { false, true } bool;
+#endif
 
 #ifdef HAVE_PATHS_H
 #	include <paths.h>
Explicitly cast sockaddr_in to sockaddr, always correct thing to do in this situation.
--- a/src/iplog_tcp.c	2025-02-16 22:16:15.486203469 +0400
+++ b/src/iplog_tcp.c	2025-02-16 22:16:58.045309444 +0400
@@ -142,14 +142,11 @@
 		fn_sin.sin_port = tcp->th_sport;
 		fn_sin.sin_addr.s_addr = ip->ip_src.s_addr;
 
 		ret = sendto(raw_sock, (char *) xip,
 				sizeof(struct ip) + sizeof(struct tcphdr), 0,
-#if !defined(__GLIBC__) || (__GLIBC__ < 2)
-				(struct sockaddr *)
-#endif
-				&fn_sin,
+				(struct sockaddr *)&fn_sin,
 				sizeof(struct sockaddr_in));
 
 		if (ret == -1)
 			IDEBUG(("[%s:%d] sendto: %s", __FILE__, __LINE__, strerror(errno)));