)
execute_process(COMMAND ${DOXYGEN_PATH}/doxygen --version OUTPUT_VARIABLE DOXYGEN_VERSION )
- string(REGEX MATCH "^[0-9]" DOXYGEN_MAJOR_VERSION "${DOXYGEN_VERSION}")
- string(REGEX MATCH "^[0-9].[0-9]" DOXYGEN_MINOR_VERSION "${DOXYGEN_VERSION}")
- string(REGEX MATCH "^[0-9].[0-9].[0-9]" DOXYGEN_PATCH_VERSION "${DOXYGEN_VERSION}")
- string(REGEX REPLACE "^${DOXYGEN_MINOR_VERSION}." "" DOXYGEN_PATCH_VERSION "${DOXYGEN_PATCH_VERSION}")
- string(REGEX REPLACE "^${DOXYGEN_MAJOR_VERSION}." "" DOXYGEN_MINOR_VERSION "${DOXYGEN_MINOR_VERSION}")
- message(STATUS "Doxygen version : ${DOXYGEN_MAJOR_VERSION}.${DOXYGEN_MINOR_VERSION}.${DOXYGEN_PATCH_VERSION}")
-
- if(DOXYGEN_MAJOR_VERSION STRLESS "2" AND DOXYGEN_MINOR_VERSION STRLESS "8")
+
+ if(DOXYGEN_VERSION VERSION_LESS "1.8")
ADD_CUSTOM_TARGET(error_doxygen
COMMAND ${CMAKE_COMMAND} -E echo "Doxygen must be at least version 1.8 to generate documentation"
COMMAND false