app-text/dvisvgm: fix configure w/ clang 16

Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 33 insertions, 1 deletions

diff --git a/app-text/dvisvgm/dvisvgm-2.14.ebuild b/app-text/dvisvgm/dvisvgm-2.14-r1.ebuild
index 7a3027f6d6e0..7c440a044d8a 100644
--- a/app-text/dvisvgm/dvisvgm-2.14.ebuild
+++ b/app-text/dvisvgm/dvisvgm-2.14-r1.ebuild
@@ -3,6 +3,8 @@
 
 EAPI=8
 
+inherit autotools
+
 DESCRIPTION="Converts DVI files to SVG"
 HOMEPAGE="https://dvisvgm.de/"
 SRC_URI="https://github.com/mgieseki/dvisvgm/releases/download/${PV}/${P}.tar.gz"
@@ -43,9 +45,17 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/${P}-ghostscript.patch
-	"${FILESDIR}"/${PN}-2.14-Add-missing-cstdint-includes-for-GCC-13.patch
+	"${FILESDIR}"/${P}-Add-missing-cstdint-includes-for-GCC-13.patch
+	"${FILESDIR}"/${PN}-2.14-configure-clang16.patch
 )
 
+src_prepare() {
+	default
+
+	# Drop once configure patch merged for clang 16
+	eautoreconf
+}
+
 src_configure() {
 	local myargs=(
 		--without-ttfautohint
diff --git a/app-text/dvisvgm/files/dvisvgm-2.14-configure-clang16.patch b/app-text/dvisvgm/files/dvisvgm-2.14-configure-clang16.patch
new file mode 100644
index 000000000000..6fe679f551d1
--- /dev/null
+++ b/app-text/dvisvgm/files/dvisvgm-2.14-configure-clang16.patch
@@ -0,0 +1,22 @@
+https://github.com/mgieseki/dvisvgm/pull/200
+
+From e3cfc0976ec1f5bbcd389c318eabc2a783990de0 Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Fri, 4 Nov 2022 05:07:09 +0000
+Subject: [PATCH] configure.ac: fix -Wimplicit-function-declaration
+
+Clang 16 makes -Wimplicit-function-declaration an error by default. We
+need to include <stdlib.h> for exit().
+
+Signed-off-by: Sam James <sam@gentoo.org>
+--- a/configure.ac
++++ b/configure.ac
+@@ -55,6 +55,7 @@ AC_CHECK_LIB([kpathsea], [kpse_find_file],,
+ 
+ AC_MSG_CHECKING([kpathsea version])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdio.h>
++	#include <stdlib.h>
+ 	#include <kpathsea/kpathsea.h>
+ 	int main() {
+ 		FILE *f;
+