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cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
project(mergerfs LANGUAGES CXX)
include(CMakeDependentOption)
include(GNUInstallDirs)
if(NOT DEFINED ENABLE_XATTR)
set(ENABLE_XATTR "AUTO")
endif()
# we could have used option(ENABLE_XATTR) here, but it doesn't allow for AUTO behavior
set(ENABLE_XATTR "${ENABLE_XATTR}" CACHE STRING "Build with xattr support (AUTO, YES, NO)")
CMAKE_DEPENDENT_OPTION(WITH_XATTR "Include dir with xattr headers" OFF "ENABLE_XATTR"
OFF)
option(WITH_INTERNAL_FUSE "Use bundled (YES) or system (NO) libfuse" "YES")
if(NOT DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING)
endif()
file(GLOB mergerfs_sources src/*.cpp src/*.icpp src/*.hpp src/*.h)
set(version_hpp "${CMAKE_CURRENT_BINARY_DIR}/version.hpp")
list(APPEND mergerfs_sources ${version_hpp})
add_executable(mergerfs ${mergerfs_sources})
target_include_directories(mergerfs PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
set(GIT2DEBCL "${CMAKE_CURRENT_SOURCE_DIR}/tools/git2debcl")
find_program(PANDOC pandoc)
if(NOT PANDOC)
message(WARNING "pandoc does not appear available: manpage won't be buildable")
endif()
if(NOT DEFINED ${MERGERFS_VERSION})
set(git_toplevel_dir)
find_program(GIT git)
if(GIT)
execute_process( COMMAND ${GIT} rev-parse --show-toplevel
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE git_toplevel_dir
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(git_toplevel_dir)
file(TO_CMAKE_PATH "${git_toplevel_dir}" git_toplevel_dir)
endif()
endif()
if(git_toplevel_dir STREQUAL CMAKE_CURRENT_SOURCE_DIR)
# we're in a git worktree, and not in a super-project git tree
execute_process( COMMAND ${GIT} describe --always --tags --dirty
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE MERGERFS_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION" MERGERFS_VERSION)
else()
message(FATAL_ERROR "mergerfs version can't be determined. Use release tarball or run from within mergerfs git repository")
endif()
endif()
# XXX: might get stale
# after MERGERFS_VERSION is defined
configure_file(src/version.hpp.in "${version_hpp}" @ONLY)
if(ENABLE_XATTR) # including "AUTO"
if(WITH_XATTR)
find_path(XATTR_INCLUDE_DIR attr/xattr.h PATHS "${WITH_XATTR}")
else()
find_path(XATTR_INCLUDE_DIR attr/xattr.h)
endif()
if(NOT XATTR_INCLUDE_DIR)
if(ENABLE_XATTR EQUAL "AUTO")
set(msg_level "WARNING")
else()
# xattr is explicitly requested, but is not available
set(msg_level "FATAL_ERROR")
endif()
message("${msg_level}" "xattr not available: disabling")
endif()
else()
set(XATTR_INCLUDE_DIR NO)
endif()
if(XATTR_INCLUDE_DIR)
target_include_directories(mergerfs PRIVATE "${XATTR_INCLUDE_DIR}")
else()
target_compile_definitions(mergerfs PRIVATE "-DWITHOUT_XATTR")
endif()
if(WITH_INTERNAL_FUSE)
include(ExternalProject)
ExternalProject_Add(libfuse_internal URL "${CMAKE_CURRENT_SOURCE_DIR}/libfuse"
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E make_directory m4
COMMAND autoreconf --force --install
COMMAND ./configure CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} --enable-lib --disable-util --disable-example
BUILD_COMMAND ${CMAKE_MAKE_PROGRAM}
INSTALL_COMMAND true
BUILD_IN_SOURCE 1
)
ExternalProject_Get_Property(libfuse_internal SOURCE_DIR)
ExternalProject_Get_Property(libfuse_internal BINARY_DIR)
add_library(libfuse STATIC IMPORTED)
set_property(TARGET libfuse PROPERTY IMPORTED_LOCATION "${BINARY_DIR}/lib/.libs/libfuse.a")
add_dependencies(mergerfs libfuse_internal)
target_include_directories(mergerfs PRIVATE "${SOURCE_DIR}/include")
target_compile_definitions(mergerfs PRIVATE "-D_FILE_OFFSET_BITS=64")
target_link_libraries(mergerfs PRIVATE libfuse dl)
set_property(TARGET mergerfs APPEND PROPERTY LINK_FLAGS "-pthread")
else()
set(EXTERNAL_FUSE_MIN_REQ 2.9.7)
find_package(PkgConfig REQUIRED)
pkg_search_module(FUSE REQUIRED "fuse >= ${EXTERNAL_FUSE_MIN_REQ}")
target_include_directories(mergerfs PRIVATE "${FUSE_INCLUDE_DIRS}")
target_compile_options(mergerfs PRIVATE "${FUSE_CFLAGS_OTHER}")
target_link_libraries(mergerfs PRIVATE "${FUSE_LIBRARIES}")
set_property(TARGET mergerfs APPEND PROPERTY LINK_FLAGS "${FUSE_LDFLAGS_OTHER}")
link_directories("${FUSE_LIBRARY_DIRS}")
endif()
set(UGID_USE_RWLOCK 0)
target_compile_definitions(mergerfs PRIVATE "-DFUSE_USE_VERSION=29"
"-DUGID_USE_RWLOCK=${UGID_USE_RWLOCK}"
)
target_compile_options(mergerfs PRIVATE "-Wall" "-Wno-unused-result")
add_custom_command(OUTPUT mount.mergerfs COMMAND ${CMAKE_COMMAND} -E create_symlink mergerfs mount.mergerfs
DEPENDS mergerfs
VERBATIM
)
add_custom_target(create-mount.mergerfs ALL DEPENDS mount.mergerfs
)
install(TARGETS mergerfs DESTINATION "${CMAKE_INSTALL_BINDIR}")
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/mount.mergerfs" DESTINATION "${CMAKE_INSTALL_BINDIR}")
set(manpage "${CMAKE_CURRENT_SOURCE_DIR}/man/mergerfs.1")
if(PANDOC)
set(manpage "${CMAKE_CURRENT_BINARY_DIR}/mergerfs.1")
add_custom_command(OUTPUT "${manpage}" COMMAND ${PANDOC} -s -t man -o "${manpage}" "${CMAKE_CURRENT_SOURCE_DIR}/README.md"
DEPENDS README.md
VERBATIM
)
endif()
install( FILES "${manpage}"
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
)
add_custom_target(man ALL DEPENDS "${manpage}")
if(GIT)
add_custom_target(changelog COMMAND ${GIT2DEBCL} --name ${PROJECT_NAME} > ${CMAKE_CURRENT_BINARY_DIR}/changelog
BYPRODUCTS changelog
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_target(authors COMMAND ${GIT} log --format='%aN <%aE>' | sort -fu > ${CMAKE_CURRENT_BINARY_DIR}/AUTHORS
BYPRODUCTS AUTHORS
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endif()
if(EXISTS /usr/bin/apt-get)
add_custom_target(install-build-pkgs COMMAND apt-get -qy update
COMMAND apt-get -qy --no-install-suggests --no-install-recommends --force-yes install build-essential git g++ debhelper libattr1-dev python automake libtool lsb-release
)
elseif(EXISTS /usr/bin/dnf)
add_custom_target(install-build-pkgs COMMAND dnf -y update
COMMAND dnf -y install git rpm-build libattr-devel gcc-c++ make which python automake libtool gettext-devel
)
elseif(EXISTS /usr/bin/yum)
add_custom_target(install-build-pkgs COMMAND yum -y update
COMMAND yum -y install git rpm-build libattr-devel gcc-c++ make which python automake libtool gettext-devel
)
endif()
set(CPACK_GENERATOR "DEB;RPM")
set(CPACK_PACKAGE_NAME "${PROJECT_NAME}")
set(CPACK_PACKAGE_VERSION "${MERGERFS_VERSION}")
set(CPACK_PACKAGE_CONTACT "Antonio SJ Musumeci <trapexit@spawn.link>")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "another FUSE union filesystem")
set(package_long_description "mergerfs is similar to mhddfs, unionfs, and aufs.
Like mhddfs in that it too uses FUSE.
Like aufs in that it provides multiple policies for how to handle behavior."
)
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
set(CPACK_DEBIAN_PACKAGE_DEPENDS "\\$\{shlibs\:Depends}, \\$\{misc\:Depends}, fuse [linux-any] | fuse4bsd [kfreebsd-any]")
set(CPACK_DEBIAN_PACKAGE_BUILDS_DEPENDS "debhelper (>= 8.0.0), libattr1-dev")
set(CPACK_DEBIAN_PACKAGE_SECTION "utils")
set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://github.com/trapexit/mergerfs")
set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}
${package_long_description}"
)
set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS "ON")
set(CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION "ON")
set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_CURRENT_SOURCE_DIR}/debian/docs;${CMAKE_CURRENT_SOURCE_DIR}/debian/copyright;${CMAKE_CURRENT_BINARY_DIR}/changelog"
)
set(CPACK_RPM_PACKAGE_RELEASE "1%{?dist}")
set(CPACK_RPM_PACKAGE_LICENSE "ISC")
set(CPACK_RPM_PACKAGE_GROUP "Applications/System")
set(CPACK_RPM_PACKAGE_URL "http://github.com/trapexit/mergerfs")
set(CPACK_RPM_PACKAGE_REQUIRES "fuse")
set(CPACK_RPM_PACKAGE_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
set(CPACK_RPM_PACKAGE_DESCRIPTION "${package_long_description}")
# TODO: CPACK_RPM_CHANGELOG_FILE
set(CPACK_SOURCE_GENERATOR "TGZ")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${MERGERFS_VERSION}")
set(CPACK_SOURCE_IGNORE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/.git/")
# CPACK_SOURCE_INSTALLED_DIRECTORIES
# custom_target instead of cpack source generator?
include(CPack)
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