we can default to building sharedlibs in cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a0ba45510e21974b22f5803fe1983a992f5e182..4f1ef86747e0fec20a8a3b2148ef40942baddb4d 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,9 @@ include ( CheckSymbolExists )
 include ( CheckTypeSize )
 include ( TestBigEndian )
 
+option(BUILD_SHARED_LIBS "Build a shared library" ON)
+option(MSVC_STATIC_RUNTIME "Build with static runtime libs (/MT)" ON)
+
 check_include_files ( byteswap.h ZZIP_HAVE_BYTESWAP_H )
 check_include_files ( direct.h ZZIP_HAVE_DIRECT_H )