cmake_minimum_required(VERSION 2.8.4.20110303 FATAL_ERROR) project(LinkStatic C) if(NOT CMAKE_C_COMPILER_ID STREQUAL "GNU") message(FATAL_ERROR "This test works only with the GNU compiler!") endif() find_library(MATH_LIBRARY NAMES libm.a) if(MATH_LIBRARY) get_filename_component(MATH_LIB_DIR ${MATH_LIBRARY} PATH) link_directories(${MATH_LIB_DIR}) # Name the library both with a full path and as "-lm" to # activate the link type switching code for both cases. # If the second one links shared then the link will fail. set(MATH_LIBRARIES ${MATH_LIBRARY} -lm) else() message(FATAL_ERROR "Cannot find libm.a needed for this test") endif() add_executable(LinkStatic LinkStatic.c) target_link_libraries(LinkStatic ${MATH_LIBRARIES}) # Enable static linking. set(LinkStatic_FLAG "-static" CACHE STRING "Flag to link statically") set_property(TARGET LinkStatic PROPERTY LINK_FLAGS "${LinkStatic_FLAG}") set_property(TARGET LinkStatic PROPERTY LINK_SEARCH_START_STATIC 1) #set_property(TARGET LinkStatic PROPERTY LINK_SEARCH_END_STATIC 1) # insufficient