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option(LLVM_ENABLE_DOXYGEN "Use Doxygen to generate API documentation." OFF)
# available programs checks
function(llvm_find_program name)
string(TOUPPER ${name} NAME)
string(REGEX REPLACE "\\." "_" NAME ${NAME})
find_program(LLVM_PATH_${NAME} NAMES ${ARGV})
mark_as_advanced(LLVM_PATH_${NAME})
if(LLVM_PATH_${NAME})
set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
mark_as_advanced(HAVE_${NAME})
else(LLVM_PATH_${NAME})
set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
endif(LLVM_PATH_${NAME})
endfunction()
if (LLVM_ENABLE_DOXYGEN)
message(STATUS "Doxygen enabled.")
llvm_find_program(dot)
find_package(Doxygen REQUIRED)
if (DOXYGEN_FOUND)
# If we find doxygen and we want to enable doxygen by default create a
# global aggregate doxygen target for generating llvm and any/all
# subprojects doxygen documentation.
if (LLVM_BUILD_DOCS)
add_custom_target(doxygen ALL)
endif()
option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF)
if (LLVM_DOXYGEN_EXTERNAL_SEARCH)
set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.")
set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings")
endif()
endif()
else()
message(STATUS "Doxygen disabled.")
endif()
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