From b6298932089618c5df75fdc5c86929c7e169df35 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sat, 21 Jan 2023 04:06:23 +0000
Subject: [PATCH] dev-perl/Digest-Nilsimsa: fix build w/ clang 16

Closes: https://bugs.gentoo.org/870895
Signed-off-by: Sam James <sam@gentoo.org>
---
 ...build => Digest-Nilsimsa-0.60.0-r4.ebuild} |  6 +++++-
 .../Digest-Nilsimsa-0.60.0-clang16.patch      | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 rename dev-perl/Digest-Nilsimsa/{Digest-Nilsimsa-0.60.0-r3.ebuild => Digest-Nilsimsa-0.60.0-r4.ebuild} (82%)
 create mode 100644 dev-perl/Digest-Nilsimsa/files/Digest-Nilsimsa-0.60.0-clang16.patch

diff --git a/dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r3.ebuild b/dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r4.ebuild
similarity index 82%
rename from dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r3.ebuild
rename to dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r4.ebuild
index eb631b859acd5..ba2130110c563 100644
--- a/dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r3.ebuild
+++ b/dev-perl/Digest-Nilsimsa/Digest-Nilsimsa-0.60.0-r4.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -15,6 +15,10 @@ LICENSE="GPL-2+ LGPL-2"
 SLOT="0"
 KEYWORDS="~alpha amd64 ~hppa ~ia64 ppc ppc64 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.60.0-clang16.patch
+)
+
 src_compile() {
 	mymake=(
 		"OPTIMIZE=${CFLAGS}"
diff --git a/dev-perl/Digest-Nilsimsa/files/Digest-Nilsimsa-0.60.0-clang16.patch b/dev-perl/Digest-Nilsimsa/files/Digest-Nilsimsa-0.60.0-clang16.patch
new file mode 100644
index 0000000000000..f8c7cd6b57c17
--- /dev/null
+++ b/dev-perl/Digest-Nilsimsa/files/Digest-Nilsimsa-0.60.0-clang16.patch
@@ -0,0 +1,19 @@
+https://bugs.gentoo.org/870895
+https://rt.cpan.org/Public/Bug/Display.html?id=145874
+
+Add missing function prototypes.  This avoids implicit function
+declarations when building Nilsimsa.xs and build failures with future
+compilers.
+
+--- a/nilsimsa.h
++++ b/nilsimsa.h
+@@ -47,6 +47,8 @@ int nilsimsa(struct nsrecord *a,struct nsrecord *b);
+ void aggregate(int n);
+ void codetostr(struct nsrecord *a,char *str);
+ int strtocode(char *str,struct nsrecord *a);
++void makecode(struct nsrecord *a);
++void clear(struct nsrecord *a);
+ 
+ int accbuf(unsigned char *buf,int len,struct nsrecord *a);
+ void dprint(char *msg);
+