games-engines/zoom: Find libXft with pkg-config rather than xft-config

Closes: https://bugs.gentoo.org/967824
Signed-off-by: James Le Cuirot <chewi@gentoo.org>

games-engines/zoom/files/zoom-1.1.5-xft-config.patch

@@ -0,0 +1,15 @@
+--- a/configure.in
++++ b/configure.in
+@@ -356,10 +356,10 @@
+       
+     # If Xft is installed, then there will be a xft-config file on the current path
+     AC_MSG_CHECKING([for xft-config])
+-    XFTCONFIG=`which xft-config`
++    XFTCONFIG="${PKG_CONFIG:-pkg-config} xft"
+     XFT_CFLAGS=""
+     XFT_LIBS=""
+-    if test -x ${XFTCONFIG}; then
++    if ${XFTCONFIG} --exists; then
+     	AC_MSG_RESULT([$XFTCONFIG])
+     	XFT_CFLAGS=`${XFTCONFIG} --cflags`
+     	XFT_LIBS=`${XFTCONFIG} --libs`

games-engines/zoom/zoom-1.1.5-r2.ebuild

@@ -1,8 +1,10 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
+inherit autotools
+
 DESCRIPTION="Fast, clean, modern Z-code interpreter for X"
 HOMEPAGE="https://www.logicalshift.co.uk/unix/zoom/"
 SRC_URI="https://www.logicalshift.co.uk/unix/zoom/${P}.tar.gz"
@@ -20,8 +22,19 @@ RDEPEND="!net-im/zoom[zoom-symlink(+)]
 DEPEND="${RDEPEND}
 	dev-lang/perl
 	x11-base/xorg-proto"
+BDEPEND="
+	virtual/pkgconfig
+"
 
-PATCHES=( "${FILESDIR}"/${P}-gcc7.patch )
+PATCHES=(
+	"${FILESDIR}"/${P}-gcc7.patch
+	"${FILESDIR}"/${P}-xft-config.patch
+)
+
+src_prepare() {
+	default
+	AT_M4DIR="m4" eautoreconf
+}
 
 src_install() {
 	default