app-forensics/mac-robber: update EAPI 6 -> 8

Closes: https://bugs.gentoo.org/712634
Signed-off-by: David Seifert <soap@gentoo.org>

app-forensics/mac-robber/files/mac-robber-1.02-posix.patch

@@ -0,0 +1,19 @@
+--- a/mac-robber.c
++++ b/mac-robber.c
+@@ -45,6 +45,7 @@
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <dirent.h>
++#include <limits.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+@@ -238,7 +239,7 @@
+     /* Make a buffer for the full path
+      * the 2 is for 1 NULL and 1 '/' for recursive directories 
+      */
+-    path_len = dir_len + MAXNAMLEN + 2;
++    path_len = dir_len + NAME_MAX + 2;
+     if (!(curpath = (char *) malloc(path_len))) {
+         printf("error allocating space for curpath\n");
+         exit(1);

app-forensics/mac-robber/mac-robber-1.02-r1.ebuild

@@ -1,7 +1,7 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=8
 
 inherit toolchain-funcs
 
@@ -12,18 +12,24 @@ SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc x86"
-IUSE=""
+
+PATCHES=( "${FILESDIR}"/${P}-posix.patch )
 
 src_prepare() {
 	default
-	sed -i -e 's:$(GCC_CFLAGS):\0 $(LDFLAGS):' Makefile || die
+	# just rely on implicit rules
+	rm Makefile || die
+}
+
+src_configure() {
+	tc-export CC
 }
 
 src_compile() {
-	emake CC="$(tc-getCC)" GCC_OPT="${CFLAGS}"
+	emake mac-robber
 }
 
 src_install() {
 	dobin mac-robber
-	dodoc CHANGES README
+	einstalldocs
 }