Add 'libarchive' package

cmake/configs/default.cmake

@@ -338,6 +338,7 @@ hunter_default_version(kbproto VERSION 1.0.7)
 hunter_default_version(lcms VERSION 2.9-p0)
 hunter_default_version(lehrfempp VERSION 0.7.21)
 hunter_default_version(leveldb VERSION 1.22)
+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)

cmake/projects/libarchive/hunter.cmake

@@ -0,0 +1,38 @@
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_configuration_types)
+include(hunter_pick_scheme)
+include(hunter_download)
+include(hunter_cacheable)
+include(hunter_cmake_args)
+
+hunter_add_version(
+    PACKAGE_NAME
+    libarchive
+    VERSION
+    "3.4.3"
+    URL
+    "https://libarchive.org/downloads/libarchive-3.4.3.tar.gz"
+    SHA1
+    6528f38fa03a44bfcf58435ec8512ffea2851c99
+)
+
+hunter_configuration_types(libarchive CONFIGURATION_TYPES Release)
+hunter_pick_scheme(DEFAULT url_sha1_autotools)
+
+hunter_cmake_args(
+    libarchive
+    CMAKE_ARGS
+    PKGCONFIG_EXPORT_TARGETS=libarchive
+    EXTRA_FLAGS=--without-iconv
+)
+
+hunter_cacheable(libarchive)
+hunter_download(
+    PACKAGE_NAME libarchive
+    PACKAGE_INTERNAL_DEPS_ID "1"
+    PACKAGE_UNRELOCATABLE_TEXT_FILES
+    "lib/libarchive.la"
+    "lib/pkgconfig/libarchive.pc"
+)

docs/packages/pkg/libarchive.rst

@@ -0,0 +1,21 @@
+.. spelling::
+
+    cpp
+    libarchive
+
+.. index::
+   single: compression ; libarchive
+
+.. _pkg.libarchive:
+
+libarchive
+==========
+
+-  `Official <https://github.com/libarchive/libarchive>`__
+-  `Example <https://github.com/cpp-pm/hunter/blob/master/examples/libarchive/CMakeLists.txt>`__
+-  Added by `Timothy Stack <https://github.com/tstack>`__ (`pr-293 <https://github.com/cpp-pm/hunter/pull/293>`__)
+
+.. literalinclude:: /../examples/libarchive/CMakeLists.txt
+  :language: cmake
+  :start-after: # DOCUMENTATION_START {
+  :end-before: # DOCUMENTATION_END }

examples/libarchive/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright (c) 2020, Timothy Stack
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.2)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(test-libarchive)
+
+# DOCUMENTATION_START {
+hunter_add_package(libarchive)
+find_package(libarchive CONFIG REQUIRED)
+
+add_executable(boo boo.cpp)
+target_link_libraries(boo PUBLIC PkgConfig::libarchive)
+# DOCUMENTATION_END }

examples/libarchive/boo.cpp

@@ -0,0 +1,27 @@
+
+#include <string>
+
+#include <archive.h>
+#include <archive_entry.h>
+
+int main(int argc, char *argv[])
+{
+    static std::string CONTENT = "Hello, World!\n";
+
+    char buf[32 * 1024];
+    size_t used;
+    auto arc = archive_write_new();
+    archive_write_add_filter_gzip(arc);
+    archive_write_set_format_pax_restricted(arc);
+    archive_write_open_memory(arc, buf, sizeof(buf), &used);
+    auto entry = archive_entry_new();
+    archive_entry_set_pathname(entry, "hw.txt");
+    archive_entry_set_size(entry, CONTENT.size());
+    archive_entry_set_filetype(entry, AE_IFREG);
+    archive_entry_set_perm(entry, 0644);
+    archive_write_header(arc, entry);
+    archive_write_data(arc, CONTENT.c_str(), CONTENT.size());
+    archive_entry_free(entry);
+    archive_write_close(arc);
+    archive_write_free(arc);
+}