allow selecting the DLL vs static library build more

This is often done in CMake projects to show the option to the user.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 318da552ea183a576e09c78a716a909f2bf225d4..cc21f0d660b9eb355e32fe90826eb8c4eaaf5e99 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ project(matroska VERSION 1.8.0)
 
 option(DISABLE_PKGCONFIG "Disable PkgConfig module generation" OFF)
 option(DISABLE_CMAKE_CONFIG "Disable CMake package config module generation" OFF)
+option(BUILD_SHARED_LIBS "Build libmatroska as a shared library" OFF)
 
 find_package(EBML 1.4.3 REQUIRED)