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diff '--color=auto' -arNu a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt 1970-01-01 01:00:00.000000000 +0100
+++ b/CMakeLists.txt 2024-03-03 12:44:24.470233876 +0100
@@ -0,0 +1,59 @@
+cmake_minimum_required(VERSION 2.8.7)
+project(vorbis)
+
+# Required modules
+include(GNUInstallDirs)
+include(CheckIncludeFiles)
+
+# 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()
+
+# 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}")
+
+add_subdirectory(lib)
+
+configure_pkg_config_file(vorbis.pc.in)
+configure_pkg_config_file(vorbisenc.pc.in)
+configure_pkg_config_file(vorbisfile.pc.in)
diff '--color=auto' -arNu a/lib/CMakeLists.txt b/lib/CMakeLists.txt
--- a/lib/CMakeLists.txt 1970-01-01 01:00:00.000000000 +0100
+++ b/lib/CMakeLists.txt 2024-03-03 12:44:45.650234517 +0100
@@ -0,0 +1,109 @@
+set(VORBIS_PUBLIC_HEADERS
+ ../include/vorbis/codec.h
+ ../include/vorbis/vorbisenc.h
+ ../include/vorbis/vorbisfile.h
+)
+
+set(VORBIS_HEADERS
+ envelope.h
+ lpc.h
+ lsp.h
+ codebook.h
+ misc.h
+ psy.h
+ masking.h
+ os.h
+ mdct.h
+ smallft.h
+ highlevel.h
+ registry.h
+ scales.h
+ window.h
+ lookup.h
+ lookup_data.h
+ codec_internal.h
+ backends.h
+ bitrate.h
+)
+
+set(VORBIS_SOURCES
+ mdct.c
+ smallft.c
+ block.c
+ envelope.c
+ window.c
+ lsp.c
+ lpc.c
+ analysis.c
+ synthesis.c
+ psy.c
+ info.c
+ floor1.c
+ floor0.c
+ res0.c
+ mapping0.c
+ registry.c
+ codebook.c
+ sharedbook.c
+ lookup.c
+ bitrate.c
+)
+
+set(VORBISFILE_SOURCES
+ vorbisfile.c
+)
+
+set(VORBISENC_SOURCES
+ vorbisenc.c
+)
+
+if(WIN32)
+ list(APPEND VORBIS_SOURCES vorbisenc.c)
+endif()
+
+if(MSVC)
+ list(APPEND VORBIS_SOURCES ../win32/vorbis.def)
+ list(APPEND VORBISENC_SOURCES ../win32/vorbisenc.def)
+ list(APPEND VORBISFILE_SOURCES ../win32/vorbisfile.def)
+endif()
+
+include_directories(../include)
+include_directories(.)
+
+if (NOT BUILD_FRAMEWORK)
+ add_library(vorbis ${VORBIS_HEADERS} ${VORBIS_SOURCES})
+ add_library(vorbisenc ${VORBISENC_SOURCES})
+ add_library(vorbisfile ${VORBISFILE_SOURCES})
+
+ get_version_info(VORBIS_VERSION_INFO "V_LIB_CURRENT" "V_LIB_AGE" "V_LIB_REVISION")
+ set_target_properties(vorbis PROPERTIES SOVERSION ${VORBIS_VERSION_INFO})
+ get_version_info(VORBISENC_VERSION_INFO "VE_LIB_CURRENT" "VE_LIB_AGE" "VE_LIB_REVISION")
+ set_target_properties(vorbisenc PROPERTIES SOVERSION ${VORBISENC_VERSION_INFO})
+ get_version_info(VORBISFILE_VERSION_INFO "VF_LIB_CURRENT" "VF_LIB_AGE" "VF_LIB_REVISION")
+ set_target_properties(vorbisfile PROPERTIES SOVERSION ${VORBISFILE_VERSION_INFO})
+
+ target_include_directories(vorbis PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../include)
+ target_include_directories(vorbisenc PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../include)
+ target_include_directories(vorbisfile PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../include)
+
+ target_link_libraries(vorbis Ogg::ogg)
+ target_link_libraries(vorbisenc Ogg::ogg vorbis)
+ target_link_libraries(vorbisfile Ogg::ogg vorbis)
+
+ add_library(Vorbis::vorbis ALIAS vorbis)
+ add_library(Vorbis::vorbisenc ALIAS vorbisenc)
+ add_library(Vorbis::vorbisfile ALIAS vorbisfile)
+else()
+ add_library(vorbis ${VORBIS_PUBLIC_HEADERS} ${VORBIS_HEADERS} ${VORBIS_SOURCES} ${VORBISFILE_SOURCES} ${VORBISENC_SOURCES})
+ set_target_properties(vorbis PROPERTIES
+ FRAMEWORK TRUE
+ FRAMEWORK_VERSION ${PROJECT_VERSION}
+ MACOSX_FRAMEWORK_IDENTIFIER org.xiph.vorbis
+ MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${PROJECT_VERSION}
+ MACOSX_FRAMEWORK_BUNDLE_VERSION ${PROJECT_VERSION}
+ XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
+ PUBLIC_HEADER "${VORBIS_PUBLIC_HEADERS}"
+ OUTPUT_NAME Vorbis
+ )
+ target_link_libraries(vorbis ${OGG_LIBRARIES})
+endif()
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