IF(VMIME_BUILD_SAMPLES) FIND_PACKAGE(PkgConfig REQUIRED) PKG_CHECK_MODULES(GTK3 REQUIRED gtk+-3.0) INCLUDE_DIRECTORIES(${GTK3_INCLUDE_DIRS}) LINK_DIRECTORIES(${GTK3_LIBRARY_DIRS}) ADD_DEFINITIONS(${GTK3_CFLAGS_OTHER}) ADD_EXECUTABLE( viewer viewer.cpp ) TARGET_LINK_LIBRARIES( viewer ${VMIME_LIBRARY_NAME} ${GTK3_LIBRARIES} ) ADD_DEPENDENCIES( viewer ${VMIME_LIBRARY_NAME} ) ELSE() MESSAGE(FATAL_ERROR "Examples are not to be built (set VMIME_BUILD_SAMPLES to YES.") ENDIF()