NetCube-Systems-Austria/kumquat-buildroot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Config.in: add -Og option

Browse Source 
-Og (introduced in GCC 4.8) lets you optimize for debugging experience,
which can be useful for when you want optimized code that is nonetheless
debuggable.

Signed-off-by: Martin Kelly <martin@surround.io>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Martin Kelly 2016-05-18 14:17:55 -07:00 committed by Thomas Petazzoni
parent 86409e1a4b
commit 5ff845927b
2 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Config.in
View File

@ -512,6 +512,16 @@ config BR2_OPTIMIZE_3
and also turns on the -finline-functions, -funswitch-loops and
-fgcse-after-reload options.
config BR2_OPTIMIZE_G
bool "optimize for debugging"
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
help
Optimize for debugging. This enables optimizations that do not
interfere with debugging. It should be the optimization level of
choice for the standard edit-compile-debug cycle, offering a
reasonable level of optimization while maintaining fast compilation
and a good debugging experience.
config BR2_OPTIMIZE_S
bool "optimize for size"
help

3
package/Makefile.in
View File

@ -122,6 +122,9 @@ endif
ifeq ($(BR2_OPTIMIZE_3),y)
TARGET_OPTIMIZATION = -O3
endif
ifeq ($(BR2_OPTIMIZE_G),y)
TARGET_OPTIMIZATION = -Og
endif
ifeq ($(BR2_OPTIMIZE_S),y)
TARGET_OPTIMIZATION = -Os
endif