1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/vorbis/CMakeLists.txt b/contrib/vorbis/CMakeLists.txt
new file mode 100644
index 0000000..1eb36e5
--- /dev/null
+++ b/contrib/vorbis/CMakeLists.txt
@@ -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)