diff --git a/src/nvcore/CMakeLists.txt b/src/nvcore/CMakeLists.txt
index 60ad1d9..385e201 100644
--- a/src/nvcore/CMakeLists.txt
+++ b/src/nvcore/CMakeLists.txt
@@ -33,6 +33,7 @@ IF(UNIX)
 ENDIF(UNIX)
 
 IF(NVCORE_SHARED)
+	ADD_DEFINITIONS(-DNVCORE_SHARED=1)
 	ADD_LIBRARY(nvcore SHARED ${CORE_SRCS})
 ELSE(NVCORE_SHARED)
 	ADD_LIBRARY(nvcore ${CORE_SRCS})
diff --git a/src/nvimage/CMakeLists.txt b/src/nvimage/CMakeLists.txt
index 3f66b00..7b2f197 100644
--- a/src/nvimage/CMakeLists.txt
+++ b/src/nvimage/CMakeLists.txt
@@ -53,6 +53,7 @@ ENDIF(OPENEXR_FOUND)
 ADD_DEFINITIONS(-DNVIMAGE_EXPORTS)
 
 IF(NVIMAGE_SHARED)	
+	ADD_DEFINITIONS(-DNVIMAGE_SHARED=1)
 	ADD_LIBRARY(nvimage SHARED ${IMAGE_SRCS})
 ELSE(NVIMAGE_SHARED)
 	ADD_LIBRARY(nvimage ${IMAGE_SRCS})
diff --git a/src/nvmath/CMakeLists.txt b/src/nvmath/CMakeLists.txt
index 7ea4a80..96aec78 100644
--- a/src/nvmath/CMakeLists.txt
+++ b/src/nvmath/CMakeLists.txt
@@ -19,6 +19,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 ADD_DEFINITIONS(-DNVMATH_EXPORTS)
 
 IF(NVMATH_SHARED)
+	ADD_DEFINITIONS(-DNVMATH_SHARED=1)
 	ADD_LIBRARY(nvmath SHARED ${MATH_SRCS})
 ELSE(NVMATH_SHARED)
 	ADD_LIBRARY(nvmath ${MATH_SRCS})