cmake HAVE_BUILTIN_ICONV examples

skylersaleh/SkyEmu src/SDL2/CMakeLists.txt :928

check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)

openc2e/openc2e externals/SDL2/CMakeLists.txt :1076

check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)

rbfx/rbfx Source/ThirdParty/SDL/CMakeLists.txt :1030

check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)

godlikepanos/anki-3d-engine ThirdParty/Sdl2/CMakeLists.txt :933

check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)

klaussilveira/qengine vendor/SDL2-2.0.22/CMakeLists.txt :933

check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)