cmake HAVE_CPP_STD_COMPLEX examples

zynaddsubfx/zynaddsubfx src/CMakeLists.txt :63

check_include_file_cxx(complex HAVE_CPP_STD_COMPLEX)

zynaddsubfx/zynaddsubfx src/CMakeLists.txt :138

add_definitions(-DHAVE_CPP_STD_COMPLEX=1)