libdeflate: add new package with v1.24-p0

Need to use a patched version of `libdeflate` as the created CMake
config contains absolute paths breaking the caching.

Once ebiggers/libdeflate#434 is merged and
released we can use pure upstream.

Fixes: #804

Author: NeroBurner

cmake/configs/default.cmake

@@ -374,6 +374,7 @@ hunter_default_version(libarchive VERSION 3.4.3)
 hunter_default_version(libbacktrace VERSION 1.0.0-ca0de051)
 hunter_default_version(libcpuid VERSION 0.4.0)
 hunter_default_version(libdaemon VERSION 0.14)
+hunter_default_version(libdeflate VERSION 1.24-p0)
 hunter_default_version(libdill VERSION 1.6)
 hunter_default_version(libevhtp VERSION 1.2.16-p4)
 hunter_default_version(libffi VERSION 3.2.1)

cmake/projects/libdeflate/hunter.cmake

@@ -0,0 +1,36 @@
+# Copyright (c) 2016-2020, Rahul Sheth, Ruslan Baratov
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_cmake_args)
+include(hunter_cacheable)
+include(hunter_download)
+include(hunter_pick_scheme)
+
+# need to use hunter fork, v1.24 isn't relocatable yet
+# open PR: https://github.com/ebiggers/libdeflate/pull/434
+hunter_add_version(
+    PACKAGE_NAME
+    libdeflate
+    VERSION
+    1.24-p0
+    URL
+    "https://github.com/cpp-pm/libdeflate/archive/refs/tags/v1.24-p0.tar.gz"
+    SHA1
+    07f1a72f3938377615da6e4bb48be77d1e8938a4
+)
+
+hunter_cmake_args(
+    libdeflate
+    CMAKE_ARGS
+    LIBDEFLATE_BUILD_STATIC_LIB=YES
+    LIBDEFLATE_BUILD_SHARED_LIB=NO
+    LIBDEFLATE_USE_SHARED_LIB=NO
+    LIBDEFLATE_BUILD_TESTS=NO
+)
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(libdeflate)
+hunter_download(PACKAGE_NAME libdeflate)

docs/packages/pkg/libdeflate.md

@@ -0,0 +1,22 @@
+```{spelling:word-list}
+
+libdeflate
+```
+
+```{index} single: compression ; libdeflate
+```
+
+(pkg.libdeflate)=
+
+# libdeflate
+
+- [Official](https://github.com/ebiggers/libdeflate)
+- [Hunterized](https://github.com/cpp-pm/libdeflate)
+- [Example](https://github.com/cpp-pm/hunter/blob/master/examples/libdeflate/CMakeLists.txt)
+- Added by [NeroBurner](https://github.com/neroburner) ([pr-812](https://github.com/cpp-pm/hunter/pull/812))
+
+```{literalinclude} /../examples/libdeflate/CMakeLists.txt
+:language: cmake
+:start-after: "# DOCUMENTATION_START {"
+:end-before: "# DOCUMENTATION_END }"
+```

examples/libdeflate/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright (c) 2025, NeroBurner
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.10)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-libdeflate)
+
+# DOCUMENTATION_START {
+hunter_add_package(libdeflate)
+find_package(libdeflate CONFIG REQUIRED)
+
+add_executable(boo boo.cpp)
+target_link_libraries(boo PUBLIC libdeflate::libdeflate_static)
+# DOCUMENTATION_END }

examples/libdeflate/boo.cpp

@@ -0,0 +1,10 @@
+#include <libdeflate.h>
+#include <iostream>
+
+int main() {
+    std::cout << "libdeflate version: " << LIBDEFLATE_VERSION_STRING << std::endl;
+    libdeflate_compressor *compressor = libdeflate_alloc_compressor(0);
+    size_t compressed_bound = libdeflate_deflate_compress_bound(compressor, 1337);
+    std::cout << "libdeflate_deflate_compress_bound(1337) => " << compressed_bound << std::endl;
+    libdeflate_free_compressor(compressor);
+}