diff --git a/databases/gnats/files/patch-libiberty::functions.def b/databases/gnats/files/patch-libiberty::functions.def
new file mode 100644
index 000000000000..c35f32897571
--- /dev/null
+++ b/databases/gnats/files/patch-libiberty::functions.def
@@ -0,0 +1,11 @@
+--- libiberty/functions.def.orig	Thu Jun 27 00:29:49 2002
++++ libiberty/functions.def	Thu Jun 27 00:30:55 2002
+@@ -34,7 +34,7 @@
+ DEF(strchr, char*, (s, c), CONST char *s AND int c)
+ DEF(strdup, char*, (s1), char * s1)
+ DEF(strrchr, char*, (s, c), CONST char *s AND int c)
+-DEF(strstr, char*, (), NOTHING)
++DEF(strstr, char*, (s1, s2), char *s1 AND char *s2)
+ DEF(strtod, double, (), NOTHING)
+ DEF(strtol, long, (), NOTHING)
+ DEF(strtoul, unsigned long, (), NOTHING)
diff --git a/databases/gnats/files/patch-libiberty::strerror.c b/databases/gnats/files/patch-libiberty::strerror.c
new file mode 100644
index 000000000000..06d301579807
--- /dev/null
+++ b/databases/gnats/files/patch-libiberty::strerror.c
@@ -0,0 +1,14 @@
+--- libiberty/strerror.c.orig	Thu Jun 27 00:32:14 2002
++++ libiberty/strerror.c	Thu Jun 27 00:38:18 2002
+@@ -460,11 +460,6 @@
+ static int sys_nerr;
+ static const char **sys_errlist;
+ 
+-#else
+-
+-extern int sys_nerr;
+-extern char *sys_errlist[];
+-
+ #endif
+ 
+ 
diff --git a/databases/gnats/files/patch-libiberty::strsignal.c b/databases/gnats/files/patch-libiberty::strsignal.c
new file mode 100644
index 000000000000..75aafb362eb9
--- /dev/null
+++ b/databases/gnats/files/patch-libiberty::strsignal.c
@@ -0,0 +1,14 @@
+--- libiberty/strsignal.c.orig	Thu Jun 27 00:33:59 2002
++++ libiberty/strsignal.c	Thu Jun 27 00:38:03 2002
+@@ -241,11 +241,6 @@
+ static int sys_nsig;
+ static const char **sys_siglist;
+ 
+-#else
+-
+-static int sys_nsig = NSIG;
+-extern const char * const sys_siglist[];
+-
+ #endif
+ 
+