libggz: Fix implicit function declarations

games/libggz/Portfile

@@ -5,8 +5,11 @@ PortSystem 1.0
 name            libggz
 version         0.0.14.1
 revision        5
+checksums       rmd160  5136aba62a4e988d97451b00193c10189f7265f2 \
+                sha256  54301052a327f2ff3f2d684c5b1d7920e8601e13f4f8d5f1d170e5a7c9585e85 \
+                size    477382
+
 categories      games
-platforms       darwin
 maintainers     nomaintainer
 license         GPL-2+ LGPL-2.1+
 description     The GGZ Gaming Zone - Base Library.
@@ -14,12 +17,12 @@ long_description ${description}
 homepage	http://www.ggzgamingzone.org/
 master_sites	http://ftp.belnet.be/packages/ggzgamingzone/ggz/${version}/ \
                 http://mirrors.ibiblio.org/pub/mirrors/ggzgamingzone/ggz/${version}/
-checksums       md5     603739504648833779aa13b0327a1c3d \
-                sha1    8a602e60606c89fd13ad93bb84a8be466fd457ef \
-                rmd160  5136aba62a4e988d97451b00193c10189f7265f2
+
 depends_lib     port:libgcrypt \
                 path:lib/libssl.dylib:openssl
 
+patchfiles      implicit.patch
+
 livecheck.type  regex
 livecheck.url   http://ftp.belnet.be/packages/ggzgamingzone/ggz/
 livecheck.regex ">(\\d+(?:\\.\\d+)*)"

games/libggz/files/implicit.patch

@@ -0,0 +1,29 @@
+Fix:
+
+error: implicitly declaring library function 'strlen' with type 'unsigned long (const char *)' [-Werror,-Wimplicit-function-declaration]
+error: implicitly declaring library function 'sprintf' with type 'int (char *, const char *, ...)' [-Werror,-Wimplicit-function-declaration]
+--- configure.orig	2008-02-16 15:13:13.000000000 -0600
++++ configure	2024-07-24 01:49:25.000000000 -0500
+@@ -20284,8 +20284,10 @@
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ 
++#include <stdio.h>
++#include <string.h>
+ int
+-main ()
++main (void)
+ {
+ char *s1 = "foo", *s2 = "bar";
+          char s3[strlen(s1) + strlen(s2) + 1];
+@@ -20704,8 +20704,9 @@
+       #include<sys/types.h>
+       #include<sys/un.h>
+ 
++#include <string.h>
+ int
+-main ()
++main (void)
+ {
+ struct sockaddr_un su; int i = SUN_LEN(&su);
+   ;