New comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/pull/44998#issuecomment-1637113701

Comment:
Here is the template I've had lying around, don't remember how finished it is, but I have x86_64-glibc version installed and used it a bit.

```diff
From 14518faadde08701569ed29142420bb6758ceb58 Mon Sep 17 00:00:00 2001
From: Duncaen <duncaen@voidlinux.org>
Date: Sun, 16 Jul 2023 16:55:27 +0200
Subject: [PATCH] New package: afl++-4.06c

---
 .../0001-fix-missing-max-path-define.patch    | 20 +++++++
 .../0003-fix-wrong-format-specifier.patch     | 15 +++++
 srcpkgs/afl++/template                        | 58 +++++++++++++++++++
 3 files changed, 93 insertions(+)
 create mode 100644 srcpkgs/afl++/patches/0001-fix-missing-max-path-define.patch
 create mode 100644 srcpkgs/afl++/patches/0003-fix-wrong-format-specifier.patch
 create mode 100644 srcpkgs/afl++/template

diff --git a/srcpkgs/afl++/patches/0001-fix-missing-max-path-define.patch b/srcpkgs/afl++/patches/0001-fix-missing-max-path-define.patch
new file mode 100644
index 0000000000..8711c06961
--- /dev/null
+++ b/srcpkgs/afl++/patches/0001-fix-missing-max-path-define.patch
@@ -0,0 +1,20 @@
+Source: https://git.alpinelinux.org/aports/tree/community/afl++/0001-fix-missing-max-path-define.patch
+Fix for:
+
+    src/afl-ld-lto.c:260:15: error: use of undeclared identifier 'PATH_MAX'
+      char thecwd[PATH_MAX];
+
+--- AFLplusplus-4.00c/src/afl-ld-lto.c
++++ AFLplusplus-4.00c/src/afl-ld-lto.c
+@@ -45,10 +45,7 @@
+ 
+ #include <dirent.h>
+ 
+-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || \
+-    defined(__DragonFly__)
+-  #include <limits.h>
+-#endif
++#include <limits.h>
+ 
+ #ifdef __APPLE__
+   #include <sys/syslimits.h>
diff --git a/srcpkgs/afl++/patches/0003-fix-wrong-format-specifier.patch b/srcpkgs/afl++/patches/0003-fix-wrong-format-specifier.patch
new file mode 100644
index 0000000000..49622819a7
--- /dev/null
+++ b/srcpkgs/afl++/patches/0003-fix-wrong-format-specifier.patch
@@ -0,0 +1,15 @@
+Source: https://git.alpinelinux.org/aports/tree/community/afl++/0003-fix-wrong-format-specifier.patch
+The format specifier for size_t is %zu and not %lu. Fixing this to
+prevent issues on 32 bit machines.
+
+--- AFLplusplus-4.00c/instrumentation/SanitizerCoverageLTO.so.cc
++++ AFLplusplus-4.00c/instrumentation/SanitizerCoverageLTO.so.cc
+@@ -1080,7 +1080,7 @@
+       }
+ 
+       if (!be_quiet)
+-        printf("AUTODICTIONARY: %lu string%s found\n", count,
++        printf("AUTODICTIONARY: %zu string%s found\n", count,
+                count == 1 ? "" : "s");
+ 
+       if (count) {
diff --git a/srcpkgs/afl++/template b/srcpkgs/afl++/template
new file mode 100644
index 0000000000..c16d74c6eb
--- /dev/null
+++ b/srcpkgs/afl++/template
@@ -0,0 +1,58 @@
+# Template file for 'afl++'
+pkgname=afl++
+version=4.06c
+revision=1
+#wrksrc=
+#create_wrksrc=yes
+#only_for_archs="i686 x86_64"
+build_style=gnu-makefile
+#configure_args=""
+#make_build_args=""
+#make_install_args=""
+#conf_files=""
+#make_dirs="/var/log/dir 0755 root root"
+hostmakedepends="clang llvm lld "
+makedepends="gmp-devel "
+depends=""
+short_desc="AFL fork fuzzer relying on genetic algorithms instead of brute force"
+maintainer="Duncaen <duncaen@voidlinux.org>"
+license="Apache-2.0"
+homepage="https://aflplus.plus/"
+distfiles="https://github.com/AFLplusplus/AFLplusplus/archive/refs/tags/${version}.tar.gz"
+checksum=98ef9d9a1eee10b1642067700a3ea2ff87ee7aa6ca4a15cb924053c41d119423
+
+ignore_elf_dirs="/usr/share/afl/testcases/others/elf"
+nostrip_files="small_archive.a small_exec.elf"
+conflicts="afl>=0"
+
+post_patch() {
+	vsed -e 's/install: all/install:/' -i GNUmakefile
+	vsed -e '/-f GNUmakefile.llvm$/d' -i GNUmakefile
+}
+
+do_build() {
+	case "${XBPS_TARGET_MACHINE}" in
+	x86_64*|i686*) ;;
+	*) export AFL_NO_X86=1 ;;
+	esac
+	if [[ -v CROSS_BUILD ]]; then
+		CLANG_TARGET="-target=${XBPS_CROSS_TRIPLET}"
+	fi
+	echo $LDFLAGS
+	export CFLAGS="${CFLAGS//-fstack-clash-protection}"
+	export CFLAGS="${CFLAGS//-D_FORTIFY_SOURCE=2}"
+	export CXXFLAGS="${CXXFLAGS//-fstack-clash-protection}"
+	export CXXFLAGS="${CXXFLAGS//-D_FORTIFY_SOURCE=2}"
+	make PREFIX=/usr CLANG_BIN="$CLANG_BIN" CLANGPP_BIN="$CLANGPP_BIN" all
+	make -f GNUmakefile.llvm PREFIX=/usr CFLAGS="${CLANG_TARGET} ${CFLAGS}" CXXFLAGS="${CLANG_TARGET} ${CXXFLAGS}"
+}
+
+pre_install() {
+	export AFL_NO_X86=1
+}
+
+post_install() {
+	# Test cases contain binary .../testcases/others/elf/small_exec.elf
+	# so move them to /usr/lib/afl
+	mv ${DESTDIR}/usr/{share,lib}/afl/testcases
+}
-- 
2.41.0

```