Add 'nng' package (cpp-pm#45)

* adds nng to hunter

* adds hunter_cmake_args

* adds nng.rst to docs

* fix example

* inserts PR number and removes developer name

* adds developer name again

Author: tnixeu

cmake/configs/default.cmake

@@ -363,6 +363,7 @@ hunter_default_version(ncnn VERSION 20180314-p2)
 hunter_default_version(ncursesw VERSION 6.1)
 hunter_default_version(nlohmann_fifo_map VERSION 0.0.0-0dfbf5d-p1)
 hunter_default_version(nlohmann_json VERSION 3.7.0)
+hunter_default_version(nng VERSION 1.1.1)
 hunter_default_version(nsync VERSION 1.14-p1)
 hunter_default_version(odb VERSION 2.4.0)
 hunter_default_version(odb-boost VERSION 2.4.0)

cmake/projects/nng/hunter.cmake

@@ -0,0 +1,33 @@
+# Copyright (c) 2016-2019, 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)
+
+hunter_add_version(
+    PACKAGE_NAME
+    nng
+    VERSION
+    1.1.1
+    URL
+    "https://github.com/nanomsg/nng/archive/v1.1.1.tar.gz"
+    SHA1
+    6194ae1187df0ebb2907bb17a8a724496a763bf5
+)
+
+hunter_cmake_args(
+    nng
+    CMAKE_ARGS
+        NNG_TOOLS=OFF
+        NNG_TESTS=OFF
+        NNG_ENABLE_NNGCAT=OFF
+)
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(nng)
+hunter_download(PACKAGE_NAME nng)

docs/packages/pkg/nng.rst

@@ -0,0 +1,20 @@
+.. spelling::
+
+    nng
+
+.. index::
+  single: unsorted ; nng
+
+.. _pkg.nng:
+
+nng
+===
+
+-  `Official <https://nanomsg.github.io/nng/index.html>`__
+-  `Example <https://github.com/cpp-pm/hunter/blob/master/examples/nng/CMakeLists.txt>`__
+-  Added by `tnixeu <https://github.com/tnixeu>`__ (`pr-45 <https://github.com/cpp-pm/hunter/pull/45>`__)
+
+.. literalinclude:: /../examples/nng/CMakeLists.txt
+  :language: cmake
+  :start-after: # DOCUMENTATION_START {
+  :end-before: # DOCUMENTATION_END }

examples/nng/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright (c) 2016-2019, Ruslan Baratov
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.2)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-nng)
+
+# DOCUMENTATION_START {
+hunter_add_package(nng)
+find_package(nng CONFIG REQUIRED)
+
+add_executable(boo boo.cpp)
+target_link_libraries(boo PUBLIC nng::nng)
+# DOCUMENTATION_END }

examples/nng/boo.cpp

@@ -0,0 +1,5 @@
+#include <nng/nng.h>
+#include <iostream>
+int main() {
+    std::cout << nng_version() << std::endl;
+}