Fixes in CMakeLists.txt regarding Doxygen usage
See #303
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a688cf..3eb2317 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,25 +38,18 @@
option(BUILD_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" OFF)
if(BUILD_DOCUMENTATION)
- if(PROJECT_IS_TOP_LEVEL)
- find_package(Doxygen)
- endif()
- if(DOXYGEN_FOUND)
- # set input and output files
- set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile)
- set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
-
- # request to configure the file
- configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
- # note the option ALL which allows to build the docs together with the application
- add_custom_target( doc_doxygen ALL
- COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
- WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
- COMMENT "Generating API documentation with Doxygen"
- VERBATIM )
- else()
- message("Doxygen need to be installed to generate the doxygen documentation")
- endif()
+ find_package(Doxygen REQUIRED)
+ # set input and output files
+ set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile)
+ set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+ # request to configure the file
+ configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
+ # note the option ALL which allows to build the docs together with the application
+ add_custom_target( doc_doxygen ALL
+ COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
+ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+ COMMENT "Generating API documentation with Doxygen"
+ VERBATIM )
endif()
add_subdirectory(src)
