1# We need to execute this script at installation time because the
2# DESTDIR environment variable may be unset at configuration time.
3# See PR8397.
4
5include(GNUInstallDirs)
6
7function(install_symlink name target outdir)
8  set(DESTDIR $ENV{DESTDIR})
9  if(NOT IS_ABSOLUTE "${outdir}")
10    set(outdir "${CMAKE_INSTALL_PREFIX}/${outdir}")
11  endif()
12  set(outdir "${DESTDIR}${outdir}")
13
14  message(STATUS "Creating ${name}")
15
16  execute_process(
17    COMMAND "${CMAKE_COMMAND}" -E create_symlink "${target}" "${name}"
18    WORKING_DIRECTORY "${outdir}" ERROR_VARIABLE has_err)
19  if(CMAKE_HOST_WIN32 AND has_err)
20    execute_process(
21      COMMAND "${CMAKE_COMMAND}" -E copy "${target}" "${name}"
22      WORKING_DIRECTORY "${outdir}")
23  endif()
24
25endfunction()
26