Photo Compress Archiver

CMAKE_MINIMUM_REQUIRED(VERSION 3.16)

PROJECT("Photo Compress Archiver")

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# Check GCC version

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IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")

# Require at least gcc 10.3 for C++20 support

IF (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.3)

MESSAGE(FATAL_ERROR "GCC version must be at least 10.3!")

ENDIF()

ENDIF()

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MESSAGE(FATAL_ERROR "Prevented in-tree build. This is bad practice; you "

"should be running cmake from inside a build directory.")

ENDIF()

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# Build configuration options

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IF (NOT CMAKE_BUILD_TYPE)

SET(CMAKE_BUILD_TYPE ReleaseWithDebug CACHE STRING

"Choose the type of build, options are: None Debug ReceiverRelease ReleaseWithDebug."

FORCE )

ENDIF()

MESSAGE(STATUS "Build Type: " ${CMAKE_BUILD_TYPE})

ADD_CUSTOM_TARGET(Debug

COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug ${CMAKE_SOURCE_DIR}

COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target all

COMMENT "Switch CMAKE_BUILD_TYPE to Debug"

)

ADD_CUSTOM_TARGET(ReceiverRelease

COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=PCARelease ${CMAKE_SOURCE_DIR}

COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target all

COMMENT "Switch CMAKE_BUILD_TYPE to ReceiverRelease"

)

ADD_CUSTOM_TARGET(ReleaseWithDebug

COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=ReleaseWithDebug ${CMAKE_SOURCE_DIR}

COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target all

COMMENT "Switch CMAKE_BUILD_TYPE to ReleaseWithDebug"

)

# Use /etc/os-release to determine Linux flavor and version

EXECUTE_PROCESS(COMMAND bash -c "grep \"^NAME=\" /etc/os-release | cut -c7- | rev | cut -c2- | rev"

OUTPUT_VARIABLE DISTRIB_ID

OUTPUT_STRIP_TRAILING_WHITESPACE

)

EXECUTE_PROCESS(COMMAND bash -c "grep \"^VERSION_ID=\" /etc/os-release | cut -c13- | rev | cut -c2- | rev"

OUTPUT_VARIABLE DISTRIB_RELEASE

OUTPUT_STRIP_TRAILING_WHITESPACE

)

# Output the parsed ID and release version

MESSAGE(STATUS "DISTRIB_ID: " ${DISTRIB_ID})

MESSAGE(STATUS "DISTRIB_RELEASE: " ${DISTRIB_RELEASE})

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SET(CMAKE_SKIP_BUILD_RPATH TRUE)

# Uncomment this line to enable AddressSanitizer

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MESSAGE(STATUS "Using mold linker!")

# Note this only works on gcc >= 12.1

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ELSE()

MESSAGE(WARNING "Mold linker not detected. Consider installing mold (add BL APT repo: "

"https://athena.blacklynx.tech/apt/): sudo apt install mold")

ENDIF()

#

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SET(CMAKE_CXX_STANDARD 20)

SET(CMAKE_CXX_STANDARD_REQUIRED ON)

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# SET(CMAKE_CXX_VISIBILITY_PRESET hidden)

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STRING(LENGTH ${CMAKE_CURRENT_SOURCE_DIR} BPLEN)

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# Enable warnings

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-parameter")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter")

IF (CMAKE_BUILD_TYPE STREQUAL "PCARelease")

# Tune for Skylake minimum

SET(COMPILE_FLAGS "-O3 -flto=auto -march=skylake")

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMPILE_FLAGS}")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILE_FLAGS}")

ELSEIF (CMAKE_BUILD_TYPE STREQUAL "ReleaseWithDebug")

# Tune for Skylake minimum

SET(COMPILE_FLAGS "-g -O3 -flto=auto -march=skylake ")

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMPILE_FLAGS}")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILE_FLAGS}")

ELSEIF (CMAKE_BUILD_TYPE STREQUAL "Debug")

SET(COMPILE_FLAGS "-g -O0 -march=skylake -mtune=generic")

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMPILE_FLAGS}")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILE_FLAGS}")

ENDIF()

# Set the library install path depending on the Linux flavor

SET(LIBRARY_INSTALL_PATH "")

IF ((DISTRIB_ID STREQUAL "Ubuntu") OR (DISTRIB_ID STREQUAL "Linux Mint"))

SET(LIBRARY_INSTALL_PATH "usr/lib/x86_64-linux-gnu/")

ELSE()

# CentOS/RedHat/Scientific

SET(LIBRARY_INSTALL_PATH "usr/lib64/")

ENDIF()

IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)

set(CMAKE_INSTALL_PREFIX "/" CACHE PATH "..." FORCE)

ENDIF()

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# Library Dependencies

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SET(EXTERNAL_LIBS)

FIND_PACKAGE(Threads)

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# External projects

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INCLUDE(ExternalProject)

#

# libpackjpg

#

SET(PACKJPG_PREFIX ${CMAKE_BINARY_DIR}/libpackjpg)

# TODO: only build/install libpackjpg.a

ExternalProject_Add(libpackjpg_local

GIT_REPOSITORY "https://brutus.gleeze.com/git/main"

PREFIX ${PACKJPG_PREFIX}

INSTALL_DIR ${PACKJPG_PREFIX}/install

SOURCE_SUBDIR software/libpackjpg/lib_src

CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${PACKJPG_PREFIX}/install -DCMAKE_BUILD_TYPE=Release)

INCLUDE_DIRECTORIES(${PACKJPG_PREFIX}/install/usr/include)

SET(libpackjpg_static_lib ${PACKJPG_PREFIX}/install/${LIBRARY_INSTALL_PATH}/libpackjpg.a)

MESSAGE(STATUS "libpackjpg path: ${libpackjpg_static_lib}")

SET_SOURCE_FILES_PROPERTIES(

${libpackjpg_static_lib} PROPERTIES

EXTERNAL_OBJECT TRUE # Identifies this as an object file (static lib)

GENERATED TRUE # Avoids need for file to exist at configure-time

)

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# Source

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INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src)

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/external)

SET(pca_sources

${CMAKE_CURRENT_SOURCE_DIR}/src/PhotoCompressArchiver.cc

)

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# Target: pca executable

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ADD_EXECUTABLE(pca

${pca_sources}

${CMAKE_CURRENT_SOURCE_DIR}/src/main.cc)

ADD_DEPENDENCIES(pca libpackjpg_local)

TARGET_LINK_LIBRARIES(pca ${EXTERNAL_LIBS} ${libpackjpg_static_lib})