From e8517a95f328163f8f8653682d1894339bbf055c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Milan=20=C5=A0ev=C4=8D=C3=ADk?= <majlen@civ.zcu.cz>
Date: Thu, 16 Mar 2017 14:08:35 +0100
Subject: [PATCH] Add build documentation by gen_html

---
 build/cmake/contrib/CMakeLists.txt          |  1 +
 build/cmake/contrib/gen_html/CMakeLists.txt | 31 +++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 build/cmake/contrib/gen_html/CMakeLists.txt

diff --git a/build/cmake/contrib/CMakeLists.txt b/build/cmake/contrib/CMakeLists.txt
index 68e0881c5..c7d97aa95 100644
--- a/build/cmake/contrib/CMakeLists.txt
+++ b/build/cmake/contrib/CMakeLists.txt
@@ -13,4 +13,5 @@
 PROJECT(contrib)
 
 ADD_SUBDIRECTORY(pzstd)
+ADD_SUBDIRECTORY(gen_html)
 
diff --git a/build/cmake/contrib/gen_html/CMakeLists.txt b/build/cmake/contrib/gen_html/CMakeLists.txt
new file mode 100644
index 000000000..14f52c68d
--- /dev/null
+++ b/build/cmake/contrib/gen_html/CMakeLists.txt
@@ -0,0 +1,31 @@
+# ################################################################
+# * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+# * All rights reserved.
+# *
+# * This source code is licensed under the BSD-style license found in the
+# * LICENSE file in the root directory of this source tree. An additional grant
+# * of patent rights can be found in the PATENTS file in the same directory.
+#
+# You can contact the author at :
+#  - zstd homepage : http://www.zstd.net/
+# ################################################################
+
+PROJECT(gen_html)
+INCLUDE(${CMAKE_SOURCE_DIR}/CMakeModules/GetLibraryVersion.cmake)
+
+SET(CMAKE_INCLUDE_CURRENT_DIR TRUE)
+
+# Define programs directory, where sources and header files are located
+SET(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
+SET(PROGRAMS_DIR ${ZSTD_SOURCE_DIR}/programs)
+SET(GENHTML_DIR ${ZSTD_SOURCE_DIR}/contrib/gen_html)
+SET(GENHTML_BINARY ${PROJECT_BINARY_DIR}/gen_html${CMAKE_EXECUTABLE_SUFFIX})
+INCLUDE_DIRECTORIES(${PROGRAMS_DIR} ${LIBRARY_DIR} ${LIBRARY_DIR}/common ${GENHTML_DIR})
+
+ADD_EXECUTABLE(gen_html ${GENHTML_DIR}/gen_html.cpp)
+
+GetLibraryVersion(${LIBRARY_DIR}/zstd.h VMAJOR VMINOR VRELEASE)
+SET(LIBVERSION "${VMAJOR}.${VMINOR}.${VRELEASE}")
+ADD_CUSTOM_TARGET(zstd_manual.html ALL
+                  ${GENHTML_BINARY} "${LIBVERSION}" "${LIBRARY_DIR}/zstd.h" "${PROJECT_BINARY_DIR}/zstd_manual.html"
+                  DEPENDS gen_html COMMENT "Update zstd manual")