set -DGC_NOT_DLL compiler flag for msvc

Signed-off-by: Máté Tokodi [email protected]

Author: matetokodi

build/target.cmake

@@ -25,9 +25,9 @@ ENDIF()
 
 # Default options per compiler
 IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR ${COMPILER_CLANG_CL})
-    SET (WALRUS_CXXFLAGS /std:c++14 /fp:strict /Zc:__cplusplus /EHs /source-charset:utf-8 /D_CRT_SECURE_NO_WARNINGS /D_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING /wd4244 /wd4267 /wd4805 /wd4018 /wd4172)
+    SET (WALRUS_CXXFLAGS /std:c++14 /fp:strict /Zc:__cplusplus /EHs /source-charset:utf-8 /D_CRT_SECURE_NO_WARNINGS /DGC_NOT_DLL  /D_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING /wd4244 /wd4267 /wd4805 /wd4018 /wd4172)
     SET (WALRUS_CXXFLAGS_RELEASE /O2 /Oy-)
-    SET (WALRUS_THIRDPARTY_CFLAGS /D_CRT_SECURE_NO_WARNINGS /Oy- /wd4146 /EHs)
+    SET (WALRUS_THIRDPARTY_CFLAGS /D_CRT_SECURE_NO_WARNINGS /DGC_NOT_DLL /Oy- /wd4146 /EHs)
     IF (${COMPILER_CLANG_CL})
         SET (WALRUS_CXXFLAGS ${WALRUS_CXXFLAGS} /EHs -Wno-invalid-offsetof -Wno-inline-new-delete -fintegrated-cc1)
     ENDIF()