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################################################################################################
# Helper function to fetch caffe includes which will be passed to dependent projects
# Usage:
# caffe_get_current_includes(<includes_list_variable>)
function(caffe_get_current_includes includes_variable)
get_property(current_includes DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
caffe_convert_absolute_paths(current_includes)
# remove at most one ${PROJECT_BINARY_DIR} include added for caffe_config.h
list(FIND current_includes ${PROJECT_BINARY_DIR} __index)
list(REMOVE_AT current_includes ${__index})
# removing numpy includes (since not required for client libs)
set(__toremove "")
foreach(__i ${current_includes})
if(${__i} MATCHES "python")
list(APPEND __toremove ${__i})
endif()
endforeach()
if(__toremove)
list(REMOVE_ITEM current_includes ${__toremove})
endif()
caffe_list_unique(current_includes)
set(${includes_variable} ${current_includes} PARENT_SCOPE)
endfunction()
################################################################################################
# Helper function to get all list items that begin with given prefix
# Usage:
# caffe_get_items_with_prefix(<prefix> <list_variable> <output_variable>)
function(caffe_get_items_with_prefix prefix list_variable output_variable)
set(__result "")
foreach(__e ${${list_variable}})
if(__e MATCHES "^${prefix}.*")
list(APPEND __result ${__e})
endif()
endforeach()
set(${output_variable} ${__result} PARENT_SCOPE)
endfunction()
################################################################################################
# Function for generation Caffe build- and install- tree export config files
# Usage:
# caffe_generate_export_configs()
function(caffe_generate_export_configs)
set(install_cmake_suffix "share/Caffe")
# ---[ Configure build-tree CaffeConfig.cmake file ]---
caffe_get_current_includes(Caffe_INCLUDE_DIRS)
set(Caffe_DEFINITIONS "")
if(NOT HAVE_CUDA)
set(HAVE_CUDA FALSE)
list(APPEND Caffe_DEFINITIONS -DCPU_ONLY)
endif()
if(USE_OPENCV)
list(APPEND Caffe_DEFINITIONS -DUSE_OPENCV)
endif()
if(USE_LMDB)
list(APPEND Caffe_DEFINITIONS -DUSE_LMDB)
endif()
if(USE_LEVELDB)
list(APPEND Caffe_DEFINITIONS -DUSE_LEVELDB)
endif()
if(NOT HAVE_CUDNN)
set(HAVE_CUDNN FALSE)
else()
list(APPEND DEFINITIONS -DUSE_CUDNN)
endif()
if(BLAS STREQUAL "MKL" OR BLAS STREQUAL "mkl")
list(APPEND Caffe_DEFINITIONS -DUSE_MKL)
endif()
configure_file("cmake/Templates/CaffeConfig.cmake.in" "${PROJECT_BINARY_DIR}/CaffeConfig.cmake" @ONLY)
# Add targets to the build-tree export set
export(TARGETS caffe proto FILE "${PROJECT_BINARY_DIR}/CaffeTargets.cmake")
export(PACKAGE Caffe)
# ---[ Configure install-tree CaffeConfig.cmake file ]---
# remove source and build dir includes
caffe_get_items_with_prefix(${PROJECT_SOURCE_DIR} Caffe_INCLUDE_DIRS __insource)
caffe_get_items_with_prefix(${PROJECT_BINARY_DIR} Caffe_INCLUDE_DIRS __inbinary)
list(REMOVE_ITEM Caffe_INCLUDE_DIRS ${__insource} ${__inbinary})
# add `install` include folder
set(lines
"get_filename_component(__caffe_include \"\${Caffe_CMAKE_DIR}/../../include\" ABSOLUTE)\n"
"list(APPEND Caffe_INCLUDE_DIRS \${__caffe_include})\n"
"unset(__caffe_include)\n")
string(REPLACE ";" "" Caffe_INSTALL_INCLUDE_DIR_APPEND_COMMAND ${lines})
configure_file("cmake/Templates/CaffeConfig.cmake.in" "${PROJECT_BINARY_DIR}/cmake/CaffeConfig.cmake" @ONLY)
# Install the CaffeConfig.cmake and export set to use with install-tree
install(FILES "${PROJECT_BINARY_DIR}/cmake/CaffeConfig.cmake" DESTINATION ${install_cmake_suffix})
install(EXPORT CaffeTargets DESTINATION ${install_cmake_suffix})
# ---[ Configure and install version file ]---
# TODO: Lines below are commented because Caffe does't declare its version in headers.
# When the declarations are added, modify `caffe_extract_caffe_version()` macro and uncomment
# configure_file(cmake/Templates/CaffeConfigVersion.cmake.in "${PROJECT_BINARY_DIR}/CaffeConfigVersion.cmake" @ONLY)
# install(FILES "${PROJECT_BINARY_DIR}/CaffeConfigVersion.cmake" DESTINATION ${install_cmake_suffix})
endfunction()
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