Generate dwarf4 debuginfo

configname: CONFIG_DEBUG_INFO_DWARF4

Linux Kernel Configuration
└─>Compile-time checks and compiler options
└─>Generate dwarf4 debuginfo
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Generate dwarf4 debug info. This requires recent versions
of gcc and gdb. It makes the debug information larger.
But it significantly improves the success of resolving
variables in gdb on optimized code.


depends
CONFIG_DEBUG_INFO |
| CONFIG_cc-option or  NOT CONFIG_CC_IS_CLANG or CONFIG_CC_IS_CLANG or CONFIG_AS_IS_LLVM or CONFIG_AS_IS_GNU or CONFIG_AS_VERSIONCONFIG_23502