cmake HAVE_IPV6 examples

USNavalResearchLaboratory/norm android/lib/CMakeLists.txt :6 

add_definitions("-DANDROID=1" "-DANDROID_API_VERSION=24" "-DPUSH_NOTIFICATIONS=1" "-DANDROID" "-DLINUX" "-DUNIX" "-DHAVE_IPV6" "-DHAVE_DIRFD" "-DPROTO_DEBUG" "-DHAVE_ASSERT" "-DHAVE_GETLOGIN" "-DUSE_SELECT" "-D_FILE_OFFSET_BITS=64" "-DHAVE_OLD_SIGNALHANDLER" "-DHAVE_SCHED" "-DNO_SCM_RIGHTS" "-Wno-attributes" "-DAPP_VERSION=1.0.0" "-DAPP_VERSION_HEX=0x10000")

MoeMod/CSMoE 3rdparty/mpg123-cmake/src/CMakeLists.txt :44 

check_function_exists(getaddrinfo HAVE_IPV6)

MoeMod/CSMoE 3rdparty/mpg123-cmake/src/CMakeLists.txt :198 

cmake_dependent_option(IPV6 "IPv6 support (actually any protocol your libc does with getaddrinfo)" ON "HAVE_IPV6" OFF)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/CMakeLists.txt :46 

check_function_exists(getaddrinfo HAVE_IPV6)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/CMakeLists.txt :318 

cmake_dependent_option(IPV6 "IPv6 support (actually any protocol your libc does with getaddrinfo)" ON "HAVE_IPV6" OFF)

d99kris/nmail ext/libetpan/CMakeLists.txt :310 

target_compile_definitions(${LIBNAME} PRIVATE HAVE_IPV6=1)