Update 'xxHash' to v0.8.2 (#721)

* Rename from xxhash

Author: hjmallon

cmake/configs/default.cmake

@@ -600,8 +600,8 @@ hunter_default_version(xrandr VERSION 1.3.2)
 hunter_default_version(xrender VERSION 0.9.7)
 hunter_default_version(xshmfence VERSION 1.3)
 hunter_default_version(xtrans VERSION 1.4.0)
+hunter_default_version(xxHash VERSION 0.8.2)
 hunter_default_version(xxf86vm VERSION 1.1.2)
-hunter_default_version(xxhash VERSION 0.6.5-p0)
 hunter_default_version(yaml-cpp VERSION 0.6.3)
 hunter_default_version(zip VERSION 0.1.15)
 hunter_default_version(zlog VERSION 1.2.14)

cmake/projects/xxHash/hunter.cmake

@@ -0,0 +1,50 @@
+# Copyright (c) 2016-2018, Ruslan Baratov
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_cacheable)
+include(hunter_cmake_args)
+include(hunter_download)
+include(hunter_pick_scheme)
+include(hunter_source_subdir)
+
+hunter_add_version(
+    PACKAGE_NAME
+    xxHash
+    VERSION
+    0.6.5-p0
+    URL
+    "https://github.com/hunter-packages/xxHash/archive/0.6.5-p0.tar.gz"
+    SHA1
+    7d84575a45360d5c5c075ceb3fc1eb6b334aa5a4
+)
+
+hunter_add_version(
+    PACKAGE_NAME
+    xxHash
+    VERSION
+    0.8.2
+    URL
+    "https://github.com/Cyan4973/xxHash/archive/v0.8.2.tar.gz"
+    SHA1
+    8df702581ebc48a5e05be0f1ede6e1e9139e4da1
+)
+
+if(HUNTER_xxHash_VERSION VERSION_GREATER_EQUAL 0.8.2)
+    hunter_source_subdir(
+        xxHash
+        SOURCE_SUBDIR "cmake_unofficial"
+    )
+
+    hunter_cmake_args(
+        xxHash
+        CMAKE_ARGS
+        XXHASH_BUILD_XXHSUM=OFF
+    )
+endif()
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(xxHash)
+hunter_download(PACKAGE_NAME xxHash)

cmake/projects/xxhash/hunter.cmake

@@ -1,21 +1,21 @@
 .. spelling::
 
-    xxhash
+    xxHash
 
 .. index::
-  single: crypto ; xxhash
+  single: crypto ; xxHash
 
-.. _pkg.xxhash:
+.. _pkg.xxHash:
 
-xxhash
+xxHash
 ======
 
 -  `Official <https://github.com/Cyan4973/xxHash>`__
 -  `Hunterized <https://github.com/hunter-packages/xxHash>`__
 -  `Example <https://github.com/cpp-pm/hunter/blob/master/examples/xxhash/CMakeLists.txt>`__
 -  Added by `Warchant <https://github.com/Warchant>`__ (`pr-1738 <https://github.com/ruslo/hunter/pull/1738>`__)
 
-.. literalinclude:: /../examples/xxhash/CMakeLists.txt
+.. literalinclude:: /../examples/xxHash/CMakeLists.txt
   :language: cmake
   :start-after: # DOCUMENTATION_START {
   :end-before: # DOCUMENTATION_END }

docs/packages/pkg/xxhash.rst renamed to docs/packages/pkg/xxHash.rst

@@ -7,12 +7,12 @@ cmake_minimum_required(VERSION 3.5)
 # * https://github.com/hunter-packages/gate
 include("../common.cmake")
 
-project(download-xxhash)
+project(download-xxHash)
 
 # DOCUMENTATION_START {
-hunter_add_package(xxhash)
-find_package(xxhash CONFIG REQUIRED)
+hunter_add_package(xxHash)
+find_package(xxHash CONFIG REQUIRED)
 
 add_executable(boo boo.cpp)
-target_link_libraries(boo PUBLIC xxhash)
+target_link_libraries(boo PUBLIC xxHash::xxhash)
 # DOCUMENTATION_END }

examples/xxhash/CMakeLists.txt renamed to examples/xxHash/CMakeLists.txt

@@ -0,0 +1,11 @@
+#include <xxhash.h>
+#include <iostream>
+
+int main() {
+  XXH64_state_t* const state = XXH64_createState();
+  XXH64_update(state, "hello", 5);
+  XXH64_hash_t const hash = XXH64_digest(state);
+  std::cout << std::hex << hash << std::endl;
+  XXH64_freeState(state);
+  return 0;
+}