cmake HAVE_CXX examples

eProsima/Fast-DDS cmake/common/check_configuration.cmake :89

list(POP_FRONT HAVE_CXX preprocessor_flag)

eProsima/Fast-DDS cmake/common/check_configuration.cmake :112

while(HAVE_CXX)

eProsima/Fast-DDS cmake/common/check_configuration.cmake :113

list(POP_FRONT HAVE_CXX preprocessor_flag)

eProsima/Fast-CDR cmake/common/check_configuration.cmake :92

list(POP_FRONT HAVE_CXX preprocessor_flag)

eProsima/Fast-CDR cmake/common/check_configuration.cmake :115

while(HAVE_CXX)

eProsima/Fast-CDR cmake/common/check_configuration.cmake :116

list(POP_FRONT HAVE_CXX preprocessor_flag)

netdata/netdata packaging/cmake/Modules/NetdataCompilerFlags.cmake :66

elseif(HAVE_C_${flag2_name} AND HAVE_CXX${flag2_name})