diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..771b8bf7
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,182 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(bees LANGUAGES C CXX)
+
+include(GNUInstallDirs)
+include(CTest)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS OFF)
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+option(BEES_BUILD_TESTS "Build and run tests" ON)
+option(BEES_BUILD_DOCS "Build docs target" ON)
+
+find_package(Threads REQUIRED)
+
+execute_process(
+  COMMAND git describe --always --dirty
+  WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+  OUTPUT_VARIABLE BEES_VERSION
+  ERROR_QUIET
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+if(BEES_VERSION STREQUAL "")
+  set(BEES_VERSION "UNKNOWN")
+endif()
+
+set(BEES_COMMON_COMPILE_OPTIONS
+  -Wall
+  -Wextra
+  -Werror
+  -O3
+  -D_FILE_OFFSET_BITS=64
+)
+set(BEES_CXX_COMPILE_OPTIONS
+  -Wold-style-cast
+  -Wno-missing-field-initializers
+)
+
+set(BEES_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/include")
+set(BEES_LIB_BINARY_DIR "${CMAKE_BINARY_DIR}/lib")
+set(BEES_SRC_BINARY_DIR "${CMAKE_BINARY_DIR}/src")
+file(MAKE_DIRECTORY "${BEES_LIB_BINARY_DIR}")
+file(MAKE_DIRECTORY "${BEES_SRC_BINARY_DIR}")
+
+configure_file(
+  "${CMAKE_SOURCE_DIR}/lib/configure.h.in"
+  "${BEES_LIB_BINARY_DIR}/configure.h"
+  @ONLY
+)
+
+set(CRUCIBLE_SOURCES
+  lib/bytevector.cc
+  lib/btrfs-tree.cc
+  lib/chatter.cc
+  lib/city.cc
+  lib/cleanup.cc
+  lib/crc64.cc
+  lib/error.cc
+  lib/extentwalker.cc
+  lib/fd.cc
+  lib/fs.cc
+  lib/multilock.cc
+  lib/ntoa.cc
+  lib/openat2.cc
+  lib/path.cc
+  lib/process.cc
+  lib/seeker.cc
+  lib/string.cc
+  lib/table.cc
+  lib/task.cc
+  lib/time.cc
+  lib/uname.cc
+)
+
+add_library(crucible STATIC ${CRUCIBLE_SOURCES})
+target_include_directories(crucible
+  PUBLIC
+    "${BEES_INCLUDE_DIR}"
+  PRIVATE
+    "${BEES_LIB_BINARY_DIR}"
+)
+target_compile_options(crucible PRIVATE ${BEES_COMMON_COMPILE_OPTIONS} ${BEES_CXX_COMPILE_OPTIONS})
+target_link_libraries(crucible PUBLIC Threads::Threads atomic)
+
+set(BEES_USAGE_CONTENT "")
+file(STRINGS "${CMAKE_SOURCE_DIR}/src/bees-usage.txt" BEES_USAGE_LINES NEWLINE_CONSUME)
+foreach(line IN LISTS BEES_USAGE_LINES)
+  string(REPLACE "\\" "\\\\" line "${line}")
+  string(REPLACE "\"" "\\\"" line "${line}")
+  string(APPEND BEES_USAGE_CONTENT "\"${line}\\n\"\n")
+endforeach()
+file(WRITE "${BEES_SRC_BINARY_DIR}/bees-usage.c" "const char *BEES_USAGE =\n${BEES_USAGE_CONTENT};\n")
+file(WRITE "${BEES_SRC_BINARY_DIR}/bees-version.c" "const char *BEES_VERSION = \"${BEES_VERSION}\";\n")
+
+set(BEES_SOURCES
+  src/bees.cc
+  src/bees-context.cc
+  src/bees-hash.cc
+  src/bees-resolve.cc
+  src/bees-roots.cc
+  src/bees-thread.cc
+  src/bees-trace.cc
+  src/bees-types.cc
+  "${BEES_SRC_BINARY_DIR}/bees-usage.c"
+  "${BEES_SRC_BINARY_DIR}/bees-version.c"
+)
+
+add_executable(bees ${BEES_SOURCES})
+target_include_directories(bees PRIVATE "${BEES_INCLUDE_DIR}" "${BEES_LIB_BINARY_DIR}")
+target_compile_options(bees PRIVATE ${BEES_COMMON_COMPILE_OPTIONS} ${BEES_CXX_COMPILE_OPTIONS})
+target_link_libraries(bees PRIVATE crucible Threads::Threads atomic)
+set_target_properties(bees PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin")
+
+if(BEES_BUILD_TESTS)
+  set(TEST_PROGRAMS
+    chatter
+    crc64
+    fd
+    limits
+    namedptr
+    path
+    process
+    progress
+    seeker
+    table
+    task
+  )
+
+  foreach(prog IN LISTS TEST_PROGRAMS)
+    add_executable("test_${prog}" "test/${prog}.cc")
+    target_include_directories("test_${prog}" PRIVATE "${BEES_INCLUDE_DIR}" "${BEES_LIB_BINARY_DIR}")
+    target_compile_options("test_${prog}" PRIVATE ${BEES_COMMON_COMPILE_OPTIONS} ${BEES_CXX_COMPILE_OPTIONS})
+    target_link_libraries("test_${prog}" PRIVATE crucible Threads::Threads atomic)
+    add_test(NAME "${prog}" COMMAND "test_${prog}")
+  endforeach()
+endif()
+
+set(BEESD_SCRIPT_IN "${CMAKE_SOURCE_DIR}/scripts/beesd.in")
+set(BEESD_SERVICE_IN "${CMAKE_SOURCE_DIR}/scripts/beesd@.service.in")
+set(BEESD_SCRIPT_OUT "${CMAKE_BINARY_DIR}/scripts/beesd")
+set(BEESD_SERVICE_OUT "${CMAKE_BINARY_DIR}/scripts/beesd@.service")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/scripts")
+
+set(DESTDIR "")
+set(PREFIX "${CMAKE_INSTALL_PREFIX}")
+set(BINDIR "${CMAKE_INSTALL_SBINDIR}")
+set(ETC_PREFIX "${CMAKE_INSTALL_FULL_SYSCONFDIR}")
+set(LIBEXEC_PREFIX "${CMAKE_INSTALL_FULL_LIBEXECDIR}/bees")
+configure_file("${BEESD_SCRIPT_IN}" "${BEESD_SCRIPT_OUT}" @ONLY)
+configure_file("${BEESD_SERVICE_IN}" "${BEESD_SERVICE_OUT}" @ONLY)
+
+install(TARGETS bees RUNTIME DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/bees")
+install(PROGRAMS "${BEESD_SCRIPT_OUT}" DESTINATION "${CMAKE_INSTALL_SBINDIR}")
+install(FILES "${CMAKE_SOURCE_DIR}/scripts/beesd.conf.sample" DESTINATION "${CMAKE_INSTALL_SYSCONFDIR}/bees")
+
+find_program(PKG_CONFIG_EXECUTABLE pkg-config)
+if(PKG_CONFIG_EXECUTABLE)
+  execute_process(
+    COMMAND "${PKG_CONFIG_EXECUTABLE}" systemd --variable=systemdsystemunitdir
+    OUTPUT_VARIABLE SYSTEMD_SYSTEM_UNIT_DIR
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  if(NOT SYSTEMD_SYSTEM_UNIT_DIR STREQUAL "")
+    install(FILES "${BEESD_SERVICE_OUT}" DESTINATION "${SYSTEMD_SYSTEM_UNIT_DIR}")
+  endif()
+endif()
+
+if(BEES_BUILD_DOCS)
+  find_program(MARKDOWN_EXE NAMES cmark-gfm redcarpet markdown2 markdown markdown_py)
+  if(MARKDOWN_EXE)
+    add_custom_target(docs
+      COMMAND /bin/sh -c "\"${MARKDOWN_EXE}\" \"${CMAKE_SOURCE_DIR}/README.md\" > \"${CMAKE_BINARY_DIR}/README.html\""
+      COMMENT "Building docs"
+      VERBATIM
+    )
+  endif()
+endif()