From a27e369d29f176a662178917c1357c0af84bdcbd Mon Sep 17 00:00:00 2001
From: Michael Ilyin <milyin@gmail.com>
Date: Wed, 26 Jul 2023 18:48:33 +0200
Subject: [PATCH] cmake for docs integrated

---
 cmake/helpers.cmake |  6 ++++++
 docs/CMakeLists.txt | 32 ++++++++++++++++++++++++--------
 2 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/cmake/helpers.cmake b/cmake/helpers.cmake
index 822942c8..da3c42cf 100644
--- a/cmake/helpers.cmake
+++ b/cmake/helpers.cmake
@@ -18,6 +18,12 @@
 # functions and macros definitions
 #
 
+#
+# Allow to fimnd cmake modules in this directory
+#
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}" ${CMAKE_MODULE_PATH})
+
+
 #
 # Show VARIABLE = value on configuration stage
 #
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 945cdff6..1edddf80 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -1,11 +1,22 @@
-cmake_minimum_required (VERSION 3.16)
-
-project ("zenoh-cpp-docs")
-
-set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../cmake" ${CMAKE_MODULE_PATH})
-
-find_package(Doxygen REQUIRED)
-find_package(Sphinx REQUIRED)
+if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
+    cmake_minimum_required (VERSION 3.16)
+    project(zenohcxx_docs)
+else()
+    message(STATUS "zenoh-cxx docs")
+    include(../cmake/helpers.cmake)
+endif()
+
+find_package(Doxygen)
+if(NOT DOXYGEN_FOUND)
+    message(STATUS "Doxygen not found, skipping docs")
+    return()
+endif()
+
+find_package(Sphinx)
+if(NOT SPHINX_FOUND)
+    message(STATUS "Sphinx not found, skipping docs")
+    return()
+endif()
 
 # Find all the public headers
 
@@ -35,10 +46,15 @@ add_custom_target(Doxygen ALL DEPENDS ${DOXYGEN_INDEX_FILE})
 set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR})
 set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR}/docs/sphinx)
 
+
+file (GLOB_RECURSE RST_FILES *.rst)
 add_custom_target(Sphinx ALL
+                  DEPENDS conf.py ${RST_FILES} ${DOXYGEN_INDEX_FILE}
                   COMMAND ${SPHINX_EXECUTABLE} -b html
                   # Tell Breathe where to find the Doxygen output
                   -Dbreathe_projects.zenohcpp=${DOXYGEN_OUTPUT_DIR}/xml
                   ${SPHINX_SOURCE} ${SPHINX_BUILD}
                   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
                   COMMENT "Generating documentation with Sphinx")
+
+add_custom_target(docs ALL DEPENDS Sphinx)
\ No newline at end of file