| 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 |
