project(ObjectLibraryA) # Add -fPIC so objects can be used in shared libraries. # TODO: Need property for this. if(CMAKE_SHARED_LIBRARY_C_FLAGS AND NOT WATCOM) set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}") endif() add_definitions(-DA_DEF) add_custom_command( OUTPUT a1.c DEPENDS a1.c.in COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/a1.c.in ${CMAKE_CURRENT_BINARY_DIR}/a1.c ) include_directories(${CMAKE_CURRENT_SOURCE_DIR}) add_library(A OBJECT a1.c a2.c)