--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,11 +30,6 @@
 
 OPTION(BUILD_MINC2      "Support minc2 file format" ON)
 
-# yes, build as minc2
-IF(BUILD_MINC2)
-  SET(MINC2 "1")
-ENDIF(BUILD_MINC2)
-
 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
 
 # aliases
@@ -50,15 +45,15 @@
 CHECK_INCLUDE_FILES(float.h HAVE_FLOAT_H)
 
 # netcdf and HDF5
-SET(NETCDF_FIND_REQUIRED TRUE)
-FIND_PACKAGE(NETCDF)
+FIND_PACKAGE(NETCDF REQUIRED)
 INCLUDE_DIRECTORIES( ${NETCDF_INCLUDE_DIR} )
 
 IF(BUILD_MINC2)
-  SET(HDF5_FIND_REQUIRED TRUE)
+  FIND_PACKAGE(HDF5 REQUIRED)
+  FIND_PACKAGE(ZLIB REQUIRED)
+  SET(MINC2 "1")
   INCLUDE_DIRECTORIES( ${HDF5_INCLUDE_DIR} )
 ENDIF(BUILD_MINC2)
-FIND_PACKAGE(HDF5)
 
 # config files for build
 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.cmake ${CMAKE_SOURCE_DIR}/config.h)
@@ -119,6 +114,9 @@
   SET(minc_LIB_SRCS ${minc1_LIB_SRCS} ${minc2_LIB_SRCS})
   SET(minc_LIB minc2)
   ADD_LIBRARY(minc2 STATIC ${minc_LIB_SRCS} )
+
+  TARGET_LINK_LIBRARIES(minc2 ${NETCDF_LIBRARY} ${HDF5_LIBRARY} ${ZLIB_LIBRARIES} m )
+
   INSTALL(TARGETS minc2 DESTINATION lib)
 
   INSTALL(FILES libsrc/minc.h libsrc/ParseArgv.h 
@@ -139,6 +137,7 @@
     SET(minc_LIB_SRCS ${minc1_LIB_SRCS} )
     SET(minc_LIB minc)
     ADD_LIBRARY(minc STATIC ${minc1_LIB_SRCS} )
+    TARGET_LINK_LIBRARIES(minc ${NETCDF_LIBRARY} )
     INSTALL(TARGETS minc DESTINATION lib)
 
     INSTALL(FILES libsrc/minc.h libsrc/ParseArgv.h 
@@ -200,10 +199,13 @@
   ADD_LIBRARY(volume_io2 STATIC ${volume_io_LIB_SRCS})
   INSTALL(TARGETS volume_io2 DESTINATION lib)
   SET_TARGET_PROPERTIES(volume_io2 PROPERTIES VERSION ${PACKAGE_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR})
+  SET( volume_io_LIB volume_io2)
+
 ELSE(BUILD_MINC2)
   ADD_LIBRARY(volume_io STATIC ${volume_io_LIB_SRCS})
   INSTALL(TARGETS volume_io DESTINATION lib)
   SET_TARGET_PROPERTIES(volume_io PROPERTIES VERSION ${PACKAGE_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR})
+  SET( volume_io_LIB volume_io)
 ENDIF(BUILD_MINC2)
 
 INSTALL(FILES volume_io/Include/volume_io/alloc.h