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cmake_minimum_required(VERSION 2.8.4.20110303 FATAL_ERROR)
if(POLICY CMP0129)
cmake_policy(SET CMP0129 NEW)
endif()
project(LinkStatic C)
if(NOT CMAKE_C_COMPILER_ID MATCHES "GNU|LCC")
message(FATAL_ERROR "This test works only with the GNU or LCC 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
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