# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1632656512 -7200
# Node ID 8eb6faa2edbadb4f7b650ec4615881c545957fbb
# Parent  b5d6cb88d05d2f8ac9399c9aae189bc29589bdaa
change detection of Doxygen

diff -r b5d6cb88d05d -r 8eb6faa2edba CMakeLists.txt
--- a/CMakeLists.txt	Sun Sep 26 13:06:48 2021 +0200
+++ b/CMakeLists.txt	Sun Sep 26 13:41:52 2021 +0200
@@ -16,14 +16,16 @@
 add_subdirectory(docs/src)
 
 # API Documentation
+message(CHECK_START "Seaching for Doxygen")
 find_package(Doxygen)
-option(BUILD_DOCUMENTATION "Create API documentation." ${DOXYGEN_FOUND})
+if(DOXYGEN_FOUND)
+    message(CHECK_PASS "found.")
+else()
+    message(CHECK_FAIL "not found - documentation will not be generated.")
+endif()
+option(BUILD_API_DOC "Create API documentation." ON)
 
-if(BUILD_DOCUMENTATION)
-    if(NOT DOXYGEN_FOUND)
-        message(FATAL_ERROR "Doxygen is needed to build the documentation.")
-    endif()
-
+if(BUILD_API_DOC AND DOXYGEN_FOUND)
     set(DOXY_INPUT ${CMAKE_SOURCE_DIR}/src)
     set(DOXY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/docs)
     set(DOXY_PROJECT_LOGO ${CMAKE_SOURCE_DIR}/uaplogo.png)