diff options
Diffstat (limited to 'Kconfig')
| -rw-r--r-- | Kconfig | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -85,6 +85,30 @@ config SPL_OPTIMIZE_INLINING do what it thinks is best, which is desirable in some cases for size reasons. +config ARCH_SUPPORTS_LTO + bool + +config LTO + bool "Enable Link Time Optimizations" + depends on ARCH_SUPPORTS_LTO + default n + help + This option enables Link Time Optimization (LTO), a mechanism which + allows the compiler to optimize between different compilation units. + + This can optimize away dead code paths, resulting in smaller binary + size (if CC_OPTIMIZE_FOR_SIZE is enabled). + + This option is not available for every architecture and may + introduce bugs. + + Currently, when compiling with GCC, due to a weird bug regarding + jobserver, the final linking will not respect make's --jobs argument. + Instead all available processors will be used (as reported by the + nproc command). + + If unsure, say n. + config TPL_OPTIMIZE_INLINING bool "Allow compiler to uninline functions marked 'inline' in TPL" depends on TPL |