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CMakeLists.txt

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cmake_minimum_required(VERSION 3.6)

project(libcamera-apps VERSION 1.1.0)

if (NOT EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)

if (NOT CMAKE_BUILD_TYPE)

set(CMAKE_BUILD_TYPE "Release" CACHE STRING "" FORCE)

message(STATUS "No previous build - default to Release build")

endif()

endif()

set (CMAKE_EXPORT_COMPILE_COMMANDS ON)

set (CMAKE_CXX_STANDARD 17)

add_compile_options(-Wall -Wextra -pedantic -Wno-unused-parameter -faligned-new)

add_definitions(-D_FILE_OFFSET_BITS=64)

if (CMAKE_COMPILER_IS_GNUCXX)

add_compile_options(-Wno-psabi)

endif()

option(BUILD_SHARED_LIBS "Build using shared libraries" ON)

IF (NOT ENABLE_COMPILE_FLAGS_FOR_TARGET)

# On a Pi this will give us armhf or arm64.

execute_process(COMMAND dpkg-architecture -qDEB_HOST_ARCH

OUTPUT_VARIABLE ENABLE_COMPILE_FLAGS_FOR_TARGET OUTPUT_STRIP_TRAILING_WHITESPACE)

endif()

message(STATUS "Platform: ${ENABLE_COMPILE_FLAGS_FOR_TARGET}")

if ("${ENABLE_COMPILE_FLAGS_FOR_TARGET}" STREQUAL "arm64")

# 64-bit binaries can be fully optimised.

add_definitions(-ftree-vectorize)

elseif ("${ENABLE_COMPILE_FLAGS_FOR_TARGET}" STREQUAL "armv8-neon")

# Only build with 32-bit Pi 3/4 specific optimisations if requested on the command line.

add_definitions(-mfpu=neon-fp-armv8 -ftree-vectorize)

endif()

# Source package generation setup.

set(CPACK_GENERATOR "TXZ")

set(CPACK_PACKAGE_FILE_NAME "libcamera-apps-build")

set(CPACK_SOURCE_GENERATOR "TXZ")

set(CPACK_INSTALL_SCRIPTS ${CMAKE_SOURCE_DIR}/package.cmake)

set(CPACK_SOURCE_PACKAGE_FILE_NAME "libcamera-apps-src")

set(CPACK_SOURCE_IGNORE_FILES "/\.git*;/build;")

include(CPack)

find_package(PkgConfig REQUIRED)

pkg_check_modules(LIBCAMERA REQUIRED libcamera)

message(STATUS "libcamera library found:")

message(STATUS " version: ${LIBCAMERA_VERSION}")

message(STATUS " libraries: ${LIBCAMERA_LINK_LIBRARIES}")

message(STATUS " include path: ${LIBCAMERA_INCLUDE_DIRS}")

include_directories(${CMAKE_SOURCE_DIR} ${LIBCAMERA_INCLUDE_DIRS})

add_subdirectory(cinepi)

add_subdirectory(core)

add_subdirectory(encoder)

# add_subdirectory(image)

# add_subdirectory(output)

add_subdirectory(preview)

# add_subdirectory(post_processing_stages)

# add_subdirectory(apps)

# add_subdirectory(utils)