cmake_minimum_required(VERSION 2.8.0)

project(harfbuzz)

## Limit framework build to Xcode generator

if (BUILD_FRAMEWORK)

  # for a framework on macOS, use `cmake .. -DBUILD_FRAMEWORK:BOOL=true -G Xcode`

  if (NOT "${CMAKE_GENERATOR}" STREQUAL "Xcode")

    message(FATAL_ERROR

      "You should use Xcode generator with BUILD_FRAMEWORK enabled")

  endif ()

  set(CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_64_BIT)")

  set(CMAKE_MACOSX_RPATH ON)

  set(BUILD_SHARED_LIBS ON)

endif ()

## Disallow in-source builds, as CMake generated make files can collide with autotools ones

if (NOT MSVC AND "${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")

  message(FATAL_ERROR

    "

In-source builds are not permitted!  Make a separate folder for"

    " building, e.g.,"

    "

  mkdir build; cd build; cmake .."

    "

Before that, remove the files created by this failed run with"

    "

  rm -rf CMakeCache.txt CMakeFiles")

endif ()

## HarfBuzz build configurations

option(HB_HAVE_FREETYPE "Enable freetype interop helpers" OFF)

option(HB_HAVE_GRAPHITE2 "Enable Graphite2 complementary shaper" OFF)

option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)

option(HB_HAVE_GLIB "Enable glib unicode functions" OFF)

option(HB_HAVE_ICU "Enable icu unicode functions" OFF)

if (APPLE)

  option(HB_HAVE_CORETEXT "Enable CoreText shaper backend on macOS" ON)

endif ()

if (WIN32)

  option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)

  option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper backend on Windows" OFF)

endif ()

option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)

if (HB_BUILD_UTILS)

  set(HB_HAVE_GLIB ON)

  set(HB_HAVE_FREETYPE ON)

endif ()

include_directories(AFTER

  ${PROJECT_SOURCE_DIR}/src

  ${PROJECT_BINARY_DIR}/src

  )

add_definitions(-DHAVE_OT)

if (BUILD_SHARED_LIBS)

  add_definitions(-DHAVE_ATEXIT)

endif ()

if (MSVC)

  add_definitions(-wd4244 -wd4267 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)

endif ()

if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)

  add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")

endif ()

## Detect if we are running inside a distribution or regular repository folder

set(IN_HB_DIST FALSE)

if (EXISTS "${PROJECT_SOURCE_DIR}/ChangeLog")

  # perhaps we are on dist directory

  set(IN_HB_DIST TRUE)

  set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")

endif ()

## Extract variables from Makefile files

# http://stackoverflow.com/a/27630120/1414809

function (prepend var prefix)

  set(listVar "")

  foreach (f ${ARGN})

    list(APPEND listVar "${prefix}${f}")

  endforeach ()

  set(${var} "${listVar}" PARENT_SCOPE)

endfunction ()

function (extract_make_variable variable file prefix)

  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})

  string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})

  prepend(list ${prefix} ${list})

  set(${variable} ${list} PARENT_SCOPE)

endfunction ()

file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)

file(READ ${PROJECT_SOURCE_DIR}/util/Makefile.sources UTILSOURCES)

file(READ ${PROJECT_SOURCE_DIR}/src/hb-ucdn/Makefile.sources UCDNSOURCES)

extract_make_variable(HB_BASE_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")

extract_make_variable(HB_BASE_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")

extract_make_variable(HB_OT_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")

extract_make_variable(HB_OT_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")

if (IN_HB_DIST)

  set(RAGEL_GENERATED_DIR "${PROJECT_SOURCE_DIR}/src/")

else ()

  set(RAGEL_GENERATED_DIR "${PROJECT_BINARY_DIR}/src/")

endif ()

extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})

extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})

extract_make_variable(HB_VIEW_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")

extract_make_variable(HB_SHAPE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")

extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")

extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES} "${PROJECT_SOURCE_DIR}/src/hb-ucdn/")

file(READ configure.ac CONFIGUREAC)

string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})

set(HB_VERSION ${CMAKE_MATCH_1})

set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})

set(HB_VERSION_MINOR ${CMAKE_MATCH_3})

set(HB_VERSION_MICRO ${CMAKE_MATCH_4})

## Define ragel tasks

if (NOT IN_HB_DIST)

  find_program(RAGEL "ragel" CMAKE_FIND_ROOT_PATH_BOTH)

  if (RAGEL)

    message(STATUS "ragel found at: ${RAGEL}")

  else ()

    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/ or, use harfbuzz releases https://github.com/behdad/harfbuzz/releases")

  endif ()

  foreach (ragel_output IN ITEMS ${HB_BASE_RAGEL_GENERATED_sources} ${HB_OT_RAGEL_GENERATED_sources})

    string(REGEX MATCH "([^/]+)\\.hh" temp ${ragel_output})

    set(target_name ${CMAKE_MATCH_1})

    add_custom_command(OUTPUT ${ragel_output}

      COMMAND ${RAGEL} -G2 -o ${ragel_output} ${PROJECT_SOURCE_DIR}/src/${target_name}.rl -I ${PROJECT_SOURCE_DIR} ${ARGN}

      DEPENDS ${PROJECT_SOURCE_DIR}/src/${target_name}.rl

      )

    add_custom_target(harfbuzz_${target_name} DEPENDS ${PROJECT_BINARY_DIR}/src/${target_name})

  endforeach ()

  mark_as_advanced(RAGEL)

endif ()

## Generate hb-version.h

if (NOT IN_HB_DIST)

  set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")

  set(HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")

  set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)

  configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)

  execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different

    "${HB_VERSION_H}.tmp"

    "${HB_VERSION_H}"

    )

  file(REMOVE "${HB_VERSION_H}.tmp")

endif ()

## Define sources and headers of the project

set(project_sources

  ${HB_BASE_sources}

  ${HB_BASE_RAGEL_GENERATED_sources}

  ${HB_OT_sources}

  ${HB_OT_RAGEL_GENERATED_sources}

  )

set(project_headers

  ${HB_VERSION_H}

  ${HB_BASE_headers}

  ${HB_OT_headers}

  )

## Find and include needed header folders and libraries

if (HB_HAVE_FREETYPE)

  add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)

  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindFreetype2.cmake

  find_package(PkgConfig)

  pkg_check_modules(PC_FREETYPE2 QUIET freetype2)

  find_path(FREETYPE2_HEADER_DIR NAMES freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include PATH_SUFFIXES freetype)

  find_path(FREETYPE2_ROOT_INCLUDE_DIR NAMES freetype/freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include)

  if (CMAKE_BUILD_TYPE MATCHES Debug)

    set(FREETYPE2_LIBRARY_NAME freetyped)

  else ()

    set(FREETYPE2_LIBRARY_NAME freetype)

  endif ()

  find_library(FREETYPE2_LIBRARIES ${FREETYPE2_LIBRARY_NAME} HINTS ${PC_FREETYPE2_LIBDIR} ${PC_FREETYPE2_LIBRARY_DIRS} $ENV{FREETYPE_DIR}/lib)

  include_directories(AFTER ${FREETYPE2_HEADER_DIR} ${FREETYPE2_ROOT_INCLUDE_DIR})

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)

  list(APPEND THIRD_PARTY_LIBS ${FREETYPE2_LIBRARIES})

  mark_as_advanced(FREETYPE2_HEADER_DIR FREETYPE2_ROOT_INCLUDE_DIR FREETYPE2_LIBRARIES)

endif ()

if (HB_HAVE_GRAPHITE2)

  add_definitions(-DHAVE_GRAPHITE2)

  find_path(GRAPHITE2_INCLUDE_DIR graphite2/Font.h)

  find_library(GRAPHITE2_LIBRARY graphite2)

  include_directories(${GRAPHITE2_INCLUDE_DIR})

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-graphite2.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-graphite2.h)

  list(APPEND THIRD_PARTY_LIBS ${GRAPHITE2_LIBRARY})

  mark_as_advanced(GRAPHITE2_INCLUDE_DIR GRAPHITE2_LIBRARY)

endif ()

if (HB_BUILTIN_UCDN)

  include_directories(src/hb-ucdn)

  add_definitions(-DHAVE_UCDN)

  list(APPEND project_sources

    ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc

    ${LIBHB_UCDN_sources}

    )

endif ()

if (HB_HAVE_GLIB)

  add_definitions(-DHAVE_GLIB)

  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindGLIB.cmake

  find_package(PkgConfig)

  pkg_check_modules(PC_GLIB QUIET glib-2.0)

  find_library(GLIB_LIBRARIES NAMES glib-2.0 HINTS ${PC_GLIB_LIBDIR} ${PC_GLIB_LIBRARY_DIRS})

  find_path(GLIBCONFIG_INCLUDE_DIR NAMES glibconfig.h HINTS ${PC_LIBDIR} ${PC_LIBRARY_DIRS} ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0/include)

  find_path(GLIB_INCLUDE_DIR NAMES glib.h HINTS ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0)

  include_directories(${GLIBCONFIG_INCLUDE_DIR} ${GLIB_INCLUDE_DIR})

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-glib.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-glib.h)

  list(APPEND THIRD_PARTY_LIBS ${GLIB_LIBRARIES})

  mark_as_advanced(GLIB_LIBRARIES GLIBCONFIG_INCLUDE_DIR GLIB_INCLUDE_DIR)

endif ()

if (HB_HAVE_ICU)

  add_definitions(-DHAVE_ICU)

  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindICU.cmake

  find_package(PkgConfig)

  pkg_check_modules(PC_ICU QUIET icu-uc)

  find_path(ICU_INCLUDE_DIR NAMES unicode/utypes.h HINTS ${PC_ICU_INCLUDE_DIRS} ${PC_ICU_INCLUDEDIR})

  find_library(ICU_LIBRARY NAMES libicuuc cygicuuc cygicuuc32 icuuc HINTS ${PC_ICU_LIBRARY_DIRS} ${PC_ICU_LIBDIR})

  include_directories(${ICU_INCLUDE_DIR})

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-icu.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-icu.h)

  list(APPEND THIRD_PARTY_LIBS ${ICU_LIBRARY})

  mark_as_advanced(ICU_INCLUDE_DIR ICU_LIBRARY)

endif ()

if (APPLE AND HB_HAVE_CORETEXT)

  # Apple Advanced Typography

  add_definitions(-DHAVE_CORETEXT)

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-coretext.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-coretext.h)

  find_library(APPLICATION_SERVICES_FRAMEWORK ApplicationServices)

  if (APPLICATION_SERVICES_FRAMEWORK)

    list(APPEND THIRD_PARTY_LIBS ${APPLICATION_SERVICES_FRAMEWORK})

  endif (APPLICATION_SERVICES_FRAMEWORK)

  mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)

endif ()

if (WIN32 AND HB_HAVE_UNISCRIBE)

  add_definitions(-DHAVE_UNISCRIBE)

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.h)

  list(APPEND THIRD_PARTY_LIBS usp10 gdi32 rpcrt4)

endif ()

if (WIN32 AND HB_HAVE_DIRECTWRITE)

  add_definitions(-DHAVE_DIRECTWRITE)

  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-directwrite.cc)

  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-directwrite.h)

  list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)

endif ()

## Atomic ops availability detection

file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"

"		void memory_barrier (void) { __sync_synchronize (); }

		int atomic_add (int *i) { return __sync_fetch_and_add (i, 1); }

		int mutex_trylock (int *m) { return __sync_lock_test_and_set (m, 1); }

		void mutex_unlock (int *m) { __sync_lock_release (m); }

		int main () { return 0; }

")

try_compile(HB_HAVE_INTEL_ATOMIC_PRIMITIVES

  ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives

  SOURCES ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c)

if (HB_HAVE_INTEL_ATOMIC_PRIMITIVES)

  add_definitions(-DHAVE_INTEL_ATOMIC_PRIMITIVES)

endif ()

file(WRITE "${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c"

"		#include <atomic.h>

		/* This requires Solaris Studio 12.2 or newer: */

		#include <mbarrier.h>

		void memory_barrier (void) { __machine_rw_barrier (); }

		int atomic_add (volatile unsigned *i) { return atomic_add_int_nv (i, 1); }

		void *atomic_ptr_cmpxchg (volatile void **target, void *cmp, void *newval) { return atomic_cas_ptr (target, cmp, newval); }

		int main () { return 0; }

")

try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS

  ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops

  SOURCES ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c)

if (HB_HAVE_SOLARIS_ATOMIC_OPS)

  add_definitions(-DHAVE_SOLARIS_ATOMIC_OPS)

endif ()

## Define harfbuzz library

add_library(harfbuzz ${project_sources} ${project_headers})

target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})

## Additional framework build configs

if (BUILD_FRAMEWORK)

  set(CMAKE_MACOSX_RPATH ON)

  set_target_properties(harfbuzz PROPERTIES

    FRAMEWORK TRUE

    PUBLIC_HEADER "${project_headers}"

    XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"

  )

  set(MACOSX_FRAMEWORK_IDENTIFIER "harfbuzz")

  set(MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${HB_VERSION}")

  set(MACOSX_FRAMEWORK_BUNDLE_VERSION "${HB_VERSION}")

endif ()

## Additional harfbuzz build artifacts

if (HB_BUILD_UTILS)

  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindCairo.cmake

  find_package(PkgConfig)

  pkg_check_modules(PC_CAIRO QUIET cairo)

  find_path(CAIRO_INCLUDE_DIRS NAMES cairo.h HINTS ${PC_CAIRO_INCLUDEDIR} ${PC_CAIRO_INCLUDE_DIRS} PATH_SUFFIXES cairo)

  find_library(CAIRO_LIBRARIESNAMES cairo HINTS ${PC_CAIRO_LIBDIR} ${PC_CAIRO_LIBRARY_DIRS})

  add_definitions("-DPACKAGE_NAME=\"HarfBuzz\"")

  add_definitions("-DPACKAGE_VERSION=\"${HB_VERSION}\"")

  include_directories(${CAIRO_INCLUDE_DIRS})

  add_executable(hb-view ${HB_VIEW_sources})

  target_link_libraries(hb-view harfbuzz ${CAIRO_LIBRARIESNAMES})

  add_executable(hb-shape ${HB_SHAPE_sources})

  target_link_libraries(hb-shape harfbuzz)

  add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})

  target_link_libraries(hb-ot-shape-closure harfbuzz)

  mark_as_advanced(CAIRO_INCLUDE_DIRS CAIRO_LIBRARIESNAMES)

endif ()

## Install

if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)

  install(FILES ${project_headers} DESTINATION include/harfbuzz)

endif ()

if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)

  install(TARGETS harfbuzz

    ARCHIVE DESTINATION lib

    LIBRARY DESTINATION lib

    RUNTIME DESTINATION bin

    FRAMEWORK DESTINATION Library/Frameworks

    )

endif ()