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author | Bernard Ogden <Bernard.Ogden@arm.com> | 2009-09-23 10:33:25 +0100 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-09-23 12:43:11 +0100 |
commit | 30bb6551675d2dfddeb3f7fda0f3af3aa753df12 (patch) | |
tree | 714e2aab8b417e1d19f2b6e06acb6126a8881b82 /init | |
parent | 03da00fa0b53645fedc495fac18d7965da52e6e1 (diff) |
Lower (-O1) kernel build optimisation
This patch allows the kernel to be compiled with -O1 for easier
source-level debugging.
The patch was slightly modify by Catalin Marinas to avoid the
"oldconfig" target asking the optimisation level for already configured
kernels.
Signed-off-by: Bernard Ogden <Bernard.Ogden@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'init')
-rw-r--r-- | init/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index f763762d544a..c4973d57a13d 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -535,6 +535,14 @@ config CC_OPTIMIZE_FOR_SIZE If unsure, say Y. +config CC_OPTIMIZE_FOR_DEBUG + bool "Optimize for debug" + depends on !CC_OPTIMIZE_FOR_SIZE + help + Enabling this option will pass "-O1" instead of "-O2" to gcc + resulting in a better debug illusion, but also a larger and + slower kernel. + config SYSCTL bool |