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authorGravatar Martin Kelly <martin@surround.io>2016-05-18 14:17:55 -0700
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2016-05-24 23:17:52 +0200
commit5ff845927b3559d29f0b9d751e1ac6106201d4c9 (patch)
treef78097044f5a38c0f30a873a88075e8d88c91cc7 /Config.in
parent86409e1a4bc94ef6754a31b48561b72fad352f36 (diff)
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Config.in: add -Og option
-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>
Diffstat (limited to 'Config.in')
-rw-r--r--Config.in10
1 files changed, 10 insertions, 0 deletions
diff --git a/Config.in b/Config.in
index b8e5d18a61..4b48c00970 100644
--- a/Config.in
+++ b/Config.in
@@ -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