cmake HAVE_UNIX_DL examples

MoeMod/CSMoE 3rdparty/mpg123-cmake/src/CMakeLists.txt :153 

check_symbol_exists(dlopen "dlfcn.h" HAVE_UNIX_DL)

MoeMod/CSMoE 3rdparty/mpg123-cmake/src/CMakeLists.txt :231 

cmake_dependent_option(USE_MODULES "dynamically loadable output modules" ON "BUILD_SHARED_LIBS;HAVE_WIN_DL OR HAVE_UNIX_DL" OFF)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/CMakeLists.txt :155 

check_symbol_exists(dlopen "dlfcn.h" HAVE_UNIX_DL)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/CMakeLists.txt :346 

cmake_dependent_option(USE_MODULES "dynamically loadable output modules" ON "BUILD_SHARED_LIBS;HAVE_WIN_DL OR HAVE_UNIX_DL" OFF)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/libout123/CMakeLists.txt :21 

target_link_libraries(${TARGET} PRIVATE
    $<TARGET_NAME_IF_EXISTS:defaultmodule>
    $<$<BOOL:${HAVE_UNIX_DL}>:dl>
    $<$<BOOL:${WANT_WIN32_UNICODE}>:shlwapi>)