OpenCV_4.2.0/opencv-4.2.0/cmake/OpenCVGenPkgconfig.cmake

153 lines
4.7 KiB
CMake

if(MSVC OR IOS)
return()
endif()
# --------------------------------------------------------------------------------------------
# according to man pkg-config
# The package name specified on the pkg-config command line is defined to
# be the name of the metadata file, minus the .pc extension. If a library
# can install multiple versions simultaneously, it must give each version
# its own name (for example, GTK 1.2 might have the package name "gtk+"
# while GTK 2.0 has "gtk+-2.0").
#
# ${BIN_DIR}/unix-install/opencv.pc -> For use *with* "make install"
# -------------------------------------------------------------------------------------------
macro(fix_prefix lst isown)
set(_lst)
foreach(item ${${lst}})
if(DEFINED TARGET_LOCATION_${item})
set(item "${TARGET_LOCATION_${item}}")
if(${isown})
get_filename_component(item "${item}" NAME)
ocv_get_libname(item "${item}")
endif()
endif()
if(item MATCHES "^-l")
list(APPEND _lst "${item}")
elseif(item MATCHES "^-framework") # MacOS framework (assume single entry "-framework OpenCL")
list(APPEND _lst "${item}")
elseif(item MATCHES "[\\/]")
get_filename_component(libdir "${item}" PATH)
get_filename_component(_libname "${item}" NAME)
ocv_get_libname(libname "${_libname}")
list(APPEND _lst "-L${libdir}" "-l${libname}")
else()
list(APPEND _lst "-l${item}")
endif()
endforeach()
set(${lst} ${_lst})
unset(_lst)
endmacro()
if(NOT DEFINED CMAKE_HELPER_SCRIPT)
if(INSTALL_TO_MANGLED_PATHS)
ocv_update(OPENCV_PC_FILE_NAME "opencv-${OPENCV_VERSION}.pc")
else()
ocv_update(OPENCV_PC_FILE_NAME opencv4.pc)
endif()
# build the list of opencv libs and dependencies for all modules
ocv_get_all_libs(_modules _extra _3rdparty)
#build the list of components
# Note:
# when linking against static libraries, if libfoo depends on libbar, then
# libfoo must come first in the linker flags.
# world is a special target whose library should come first,
# especially for static link.
if(_modules MATCHES "opencv_world")
set(_modules "opencv_world")
endif()
set(HELPER_SCRIPT "")
ocv_cmake_script_append_var(HELPER_SCRIPT
BUILD_SHARED_LIBS
CMAKE_BINARY_DIR
CMAKE_INSTALL_PREFIX
OpenCV_SOURCE_DIR
OPENCV_PC_FILE_NAME
OPENCV_VERSION_PLAIN
OPENCV_LIB_INSTALL_PATH
OPENCV_INCLUDE_INSTALL_PATH
OPENCV_3P_LIB_INSTALL_PATH
_modules
_extra
_3rdparty
)
foreach(item ${_modules} ${_extra} ${_3rdparty})
if(TARGET ${item})
set(HELPER_SCRIPT "${HELPER_SCRIPT}
set(TARGET_LOCATION_${item} \"$<TARGET_FILE:${item}>\")
")
endif()
endforeach()
set(CMAKE_HELPER_SCRIPT "${CMAKE_BINARY_DIR}/OpenCVGenPkgConfig.info.cmake")
file(GENERATE OUTPUT "${CMAKE_HELPER_SCRIPT}" CONTENT "${HELPER_SCRIPT}")
add_custom_target(developer_scripts)
add_custom_command(
OUTPUT "${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME}"
COMMAND ${CMAKE_COMMAND} "-DCMAKE_HELPER_SCRIPT=${CMAKE_HELPER_SCRIPT}" -P "${OpenCV_SOURCE_DIR}/cmake/OpenCVGenPkgconfig.cmake"
DEPENDS "${CMAKE_BINARY_DIR}/OpenCVGenPkgConfig.info.cmake"
"${OpenCV_SOURCE_DIR}/cmake/OpenCVGenPkgconfig.cmake"
COMMENT "Generate ${OPENCV_PC_FILE_NAME}"
)
add_custom_target(gen-pkgconfig ALL SOURCES "${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME}")
add_dependencies(developer_scripts gen-pkgconfig)
if(UNIX AND NOT ANDROID)
install(FILES ${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME} DESTINATION ${OPENCV_LIB_INSTALL_PATH}/pkgconfig COMPONENT dev)
endif()
# =============================================================================
else() # DEFINED CMAKE_HELPER_SCRIPT
cmake_minimum_required(VERSION 2.8.12.2)
cmake_policy(SET CMP0012 NEW)
include("${CMAKE_HELPER_SCRIPT}")
include("${OpenCV_SOURCE_DIR}/cmake/OpenCVUtils.cmake")
fix_prefix(_modules 1)
fix_prefix(_extra 0)
fix_prefix(_3rdparty 1)
ocv_list_unique(_modules)
ocv_list_unique(_extra)
ocv_list_unique(_3rdparty)
set(OPENCV_PC_LIBS
"-L\${exec_prefix}/${OPENCV_LIB_INSTALL_PATH}"
"${_modules}"
)
if(BUILD_SHARED_LIBS)
set(OPENCV_PC_LIBS_PRIVATE "${_extra}")
else()
set(OPENCV_PC_LIBS_PRIVATE
"-L\${exec_prefix}/${OPENCV_3P_LIB_INSTALL_PATH}"
"${_3rdparty}"
"${_extra}"
)
endif()
string(REPLACE ";" " " OPENCV_PC_LIBS "${OPENCV_PC_LIBS}")
string(REPLACE ";" " " OPENCV_PC_LIBS_PRIVATE "${OPENCV_PC_LIBS_PRIVATE}")
#generate the .pc file
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/${OPENCV_LIB_INSTALL_PATH}")
set(includedir "\${prefix}/${OPENCV_INCLUDE_INSTALL_PATH}")
configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/opencv-XXX.pc.in"
"${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME}"
@ONLY)
endif() # DEFINED CMAKE_HELPER_SCRIPT