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cmake_minimum_required(VERSION 2.8.7)
project(libogg)
# 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()
# Extract project version from configure.ac
file(READ configure.ac CONFIGURE_AC_CONTENTS)
string(REGEX MATCH "AC_INIT\\(\\[libogg\\],\\[([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} ${CMAKE_CURRENT_BINARY_DIR}/${pkg_config_file} @ONLY)
endfunction()
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
# Configure config_type.h
check_include_files(inttypes.h INCLUDE_INTTYPES_H)
check_include_files(stdint.h INCLUDE_STDINT_H)
check_include_files(sys/types.h INCLUDE_SYS_TYPES_H)
set(SIZE16 int16_t)
set(USIZE16 uint16_t)
set(SIZE32 int32_t)
set(USIZE32 uint32_t)
set(SIZE64 int64_t)
configure_file(include/ogg/config_types.h.in ${CMAKE_CURRENT_BINARY_DIR}/include/ogg/config_types.h @ONLY)
set(OGG_HEADERS
${CMAKE_CURRENT_BINARY_DIR}/include/ogg/config_types.h
include/ogg/ogg.h
include/ogg/os_types.h
)
set(OGG_SOURCES
src/bitwise.c
src/framing.c
)
if(MSVC)
list(APPEND OGG_SOURCES win32/ogg.def)
endif()
if(BUILD_FRAMEWORK)
set(BUILD_SHARED_LIBS TRUE)
endif()
include_directories(include ${CMAKE_CURRENT_BINARY_DIR}/include)
add_library(ogg ${OGG_HEADERS} ${OGG_SOURCES})
target_include_directories(ogg PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
add_library(Ogg::ogg ALIAS ogg)
get_version_info(OGG_VERSION_INFO "LIB_CURRENT" "LIB_AGE" "LIB_REVISION")
set_target_properties(
ogg PROPERTIES
SOVERSION ${OGG_VERSION_INFO}
PUBLIC_HEADER "${OGG_HEADERS}"
)
if(BUILD_FRAMEWORK)
set_target_properties(ogg PROPERTIES
FRAMEWORK TRUE
FRAMEWORK_VERSION ${PROJECT_VERSION}
MACOSX_FRAMEWORK_IDENTIFIER org.xiph.ogg
MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${PROJECT_VERSION}
MACOSX_FRAMEWORK_BUNDLE_VERSION ${PROJECT_VERSION}
XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
OUTPUT_NAME Ogg
)
endif()
configure_pkg_config_file(ogg.pc.in)
install(TARGETS ogg
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
FRAMEWORK DESTINATION ${CMAKE_INSTALL_PREFIX}
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/ogg
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/ogg.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
)
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