cmake_minimum_required(VERSION 2.8.12) project(vorbis) list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake") # Required modules include(GNUInstallDirs) include(CheckIncludeFiles) include(CheckLibraryExists) # Build options option(BUILD_SHARED_LIBS "Build shared library" OFF) if(APPLE) option(BUILD_FRAMEWORK "Build Framework bundle for OSX" OFF) endif() if(BUILD_FRAMEWORK) set(BUILD_SHARED_LIBS TRUE) endif() option(INSTALL_CMAKE_PACKAGE_MODULE "Install CMake package configiguration module" ON) # Extract project version from configure.ac file(READ configure.ac CONFIGURE_AC_CONTENTS) string(REGEX MATCH "AC_INIT\\(\\[libvorbis\\],\\[([0-9]*).([0-9]*).([0-9]*)" DUMMY ${CONFIGURE_AC_CONTENTS}) set(PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1}) set(PROJECT_VERSION_MINOR ${CMAKE_MATCH_2}) set(PROJECT_VERSION_PATCH ${CMAKE_MATCH_3}) set(PROJECT_VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}) # Helper function to get version-info function(get_version_info result current_var_name age_var_name revision_var_name) string(REGEX MATCH "${current_var_name}=([0-9]*)" DUMMY ${CONFIGURE_AC_CONTENTS}) set(VERSION_INFO_CURRENT ${CMAKE_MATCH_1}) string(REGEX MATCH "${age_var_name}=([0-9]*)" DUMMY ${CONFIGURE_AC_CONTENTS}) set(VERSION_INFO_AGE ${CMAKE_MATCH_1}) string(REGEX MATCH "${revision_var_name}=([0-9]*)" DUMMY ${CONFIGURE_AC_CONTENTS}) set(VERSION_INFO_REVISION ${CMAKE_MATCH_1}) math(EXPR VERSION_INFO_CURRENT_MINUS_AGE "${VERSION_INFO_CURRENT} - ${VERSION_INFO_AGE}") set(${result} "${VERSION_INFO_CURRENT_MINUS_AGE}.${VERSION_INFO_AGE}.${VERSION_INFO_REVISION}" PARENT_SCOPE) endfunction() # Helper function to configure pkg-config files function(configure_pkg_config_file pkg_config_file_in) set(prefix ${CMAKE_INSTALL_PREFIX}) set(exec_prefix ${CMAKE_INSTALL_FULL_BINDIR}) set(libdir ${CMAKE_INSTALL_FULL_LIBDIR}) set(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR}) set(VERSION ${PROJECT_VERSION}) string(REPLACE ".in" "" pkg_config_file ${pkg_config_file_in}) configure_file(${pkg_config_file_in} ${pkg_config_file} @ONLY) endfunction() message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}") # Find math library check_library_exists(m floor "" HAVE_LIBM) # Find ogg dependency find_package(Ogg REQUIRED) add_subdirectory(lib) configure_pkg_config_file(vorbis.pc.in) configure_pkg_config_file(vorbisenc.pc.in) configure_pkg_config_file(vorbisfile.pc.in) install( FILES ${CMAKE_CURRENT_BINARY_DIR}/vorbis.pc ${CMAKE_CURRENT_BINARY_DIR}/vorbisenc.pc ${CMAKE_CURRENT_BINARY_DIR}/vorbisfile.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig )