Kbuild: Add option to set -femit-struct-debug-baseonly

[deliverable/linux.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 25c3ed594c547966c1c291750d8adeb3b9e5674b..2af5d84ec8249bb1fd67535c3eeaf71a1b5435be 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -595,6 +595,19 @@ config DEBUG_INFO
 
          If unsure, say N.
 
+config DEBUG_INFO_REDUCED
+       bool "Reduce debugging information"
+       depends on DEBUG_INFO
+       help
+         If you say Y here gcc is instructed to generate less debugging
+         information for structure types. This means that tools that
+         need full debugging information (like kgdb or systemtap) won't
+         be happy. But if you merely need debugging information to
+         resolve line numbers there is no loss. Advantage is that
+         build directory object sizes shrink dramatically over a full
+         DEBUG_INFO build and compile times are reduced too.
+         Only works with newer gcc versions.
+
 config DEBUG_VM
        bool "Debug VM"
        depends on DEBUG_KERNEL