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cmake_minimum_required(VERSION 3.9)
project(libass C)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/libass ${CMAKE_CURRENT_BINARY_DIR})
set(CONFIG_FREETYPE 1)
set(CONFIG_FRIBIDI 1)
set(CONFIG_HARFBUZZ 1)
file(GLOB_RECURSE SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/libass/*.c)
set(PKG_REQUIRES_LIBASS "harfbuzz >= 1.2.3, fribidi >= 0.19.1, freetype2 >= 9.17.3")
set(PKG_LIBS_LIBASS)
if(WIN32)
set(CONFIG_DIRECTWRITE 1)
list(FILTER SOURCES EXCLUDE REGEX ".*ass_coretext.c$")
list(FILTER SOURCES EXCLUDE REGEX ".*ass_fontconfig.c$")
#dependency fribidi does not support uwp builds, link gdi32 directly
set(FONT_LIBRARY gdi32)
set(PKG_LIBS_LIBASS -lgdi32)
elseif(APPLE)
set(CONFIG_CORETEXT 1)
list(FILTER SOURCES EXCLUDE REGEX ".*ass_directwrite.c$")
list(FILTER SOURCES EXCLUDE REGEX ".*ass_fontconfig.c$")
include(CheckCSourceCompiles)
check_c_source_compiles(
"
#include <ApplicationServices/ApplicationServices.h>
int main(void){
CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute);
return 0;
}
"
CHECK_OLD_OSX
)
if(CHECK_OLD_OSX)
set(FONT_LIBRARY "-framework ApplicationServices -framework CoreFoundation")
set(PKG_LIBS_LIBASS "-framework ApplicationServices -framework CoreFoundation")
else()
set(FONT_LIBRARY "-framework CoreText -framework CoreFoundation")
set(PKG_LIBS_LIBASS "-framework CoreText -framework CoreFoundation")
endif()
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(CONFIG_FONTCONFIG 1)
list(FILTER SOURCES EXCLUDE REGEX ".*ass_coretext.c$")
list(FILTER SOURCES EXCLUDE REGEX ".*ass_directwrite.c$")
find_package(Fontconfig REQUIRED)
set(FONT_LIBRARY Fontconfig::Fontconfig)
set(PKG_REQUIRES_LIBASS "fontconfig >= 2.10.92, ${PKG_REQUIRES_LIBASS}")
else()
list(FILTER SOURCES EXCLUDE REGEX ".*ass_directwrite.c$")
list(FILTER SOURCES EXCLUDE REGEX ".*ass_coretext.c$")
list(FILTER SOURCES EXCLUDE REGEX ".*ass_fontconfig.c$")
endif()
if(NOT WIN32)
set(PKG_LIBS_LIBASS "${PKG_LIBS_LIBASS} -lm")
endif()
find_package(Freetype REQUIRED)
find_package(PkgConfig REQUIRED)
pkg_check_modules(FRIBIDI REQUIRED IMPORTED_TARGET fribidi)
pkg_check_modules(HARFBUZZ REQUIRED IMPORTED_TARGET harfbuzz)
# libass use win32 api to open files on windows since https://github.com/libass/libass/commit/f664ced049394e2a5d4300ba526e206df73ec729
# so remove dependency dirent.
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in config.h)
add_library(ass ${SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/libass.def)
target_include_directories(ass PRIVATE
PkgConfig::FRIBIDI
PkgConfig::HARFBUZZ)
target_link_libraries(ass PRIVATE
Freetype::Freetype
PkgConfig::FRIBIDI
PkgConfig::HARFBUZZ
${FONT_LIBRARY})
install(TARGETS ass
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib)
# pkgconfig file
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
set(includedir ${CMAKE_INSTALL_PREFIX}/include)
set(PACKAGE_VERSION ${LIBASS_VERSION})
if(BUILD_SHARED_LIBS)
set(PKG_REQUIRES_PUBLIC ${PKG_REQUIRES_LIBASS})
set(PKG_LIBS_PUBLIC ${PKG_LIBS_LIBASS})
else()
set(PKG_REQUIRES_PRIVATE ${PKG_REQUIRES_LIBASS})
set(PKG_LIBS_PRIVATE ${PKG_LIBS_LIBASS})
endif()
configure_file(libass.pc.in libass.pc @ONLY)
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/libass.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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