diff --git a/databases/kyotocabinet/Makefile b/databases/kyotocabinet/Makefile
index cd5f853979b1..dd4080c16c82 100644
--- a/databases/kyotocabinet/Makefile
+++ b/databases/kyotocabinet/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	kyotocabinet
 PORTVERSION=	1.2.80
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	databases
 MASTER_SITES=	https://dbmx.net/kyotocabinet/pkg/ \
 		LOCAL/sunpoet
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Straightforward implementation of DBM
 WWW=		https://dbmx.net/kyotocabinet/
 
 LICENSE=	GPLv3
 
 USES=		compiler:c++11-lang gmake
 
 CPPFLAGS+=	-fPIC
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 MAKE_ARGS=	PCDIR=${PREFIX}/libdata/pkgconfig
 TEST_TARGET=	check
 USE_LDCONFIG=	yes
 
 OPTIONS_DEFINE=	DOCS
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libkyotocabinet.so
 
 post-install-DOCS-on:
 	${FIND} ${STAGEDIR}${DOCSDIR}/ -type d -exec ${CHMOD} ${BINMODE} {} +
 	${FIND} ${STAGEDIR}${DOCSDIR}/ -type f -exec ${CHMOD} ${DOCMODE} {} +
 
 .include <bsd.port.mk>
diff --git a/databases/kyotocabinet/files/patch-kclangc.h b/databases/kyotocabinet/files/patch-kclangc.h
new file mode 100644
index 000000000000..4964f27e633c
--- /dev/null
+++ b/databases/kyotocabinet/files/patch-kclangc.h
@@ -0,0 +1,28 @@
+--- kclangc.h.orig	2023-04-13 18:22:12 UTC
++++ kclangc.h
+@@ -258,14 +258,14 @@ size_t kclevdist(const void* abuf, size_t asiz, const 
+  * Get the quiet Not-a-Number value.
+  * @return the quiet Not-a-Number value.
+  */
+-double kcnan();
++double kcnan(void);
+ 
+ 
+ /**
+  * Get the positive infinity value.
+  * @return the positive infinity value.
+  */
+-double kcinf();
++double kcinf(void);
+ 
+ 
+ /**
+@@ -1522,7 +1522,7 @@ typedef struct {
+  * @note The object of the return value should be released with the kclistdel function when it is
+  * no longer in use.
+  */
+-KCLIST* kclistnew();
++KCLIST* kclistnew(void);
+ 
+ 
+ /**
diff --git a/databases/kyotocabinet/files/patch-kclangctest.c b/databases/kyotocabinet/files/patch-kclangctest.c
new file mode 100644
index 000000000000..dee338785487
--- /dev/null
+++ b/databases/kyotocabinet/files/patch-kclangctest.c
@@ -0,0 +1,11 @@
+--- kclangctest.c.orig	2012-05-24 11:32:00 UTC
++++ kclangctest.c
+@@ -91,7 +91,7 @@ int main(int argc, char **argv) {
+ 
+ 
+ /* print the usage and exit */
+-static void usage() {
++static void usage(void) {
+   eprintf("%s: test cases of the C binding of Kyoto Cabinet\n", g_progname);
+   eprintf("\n");
+   eprintf("usage:\n");