Make thin archives build the default, but keep the config option to allow exemptions if any breakage can't be quickly solved. Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> --- Documentation/process/changes.rst | 9 ++++----- arch/Kconfig | 2 +- arch/powerpc/Kconfig | 8 -------- 3 files changed, 5 insertions(+), 14 deletions(-) diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index e25d63f8c0da..56fd0687bd4a 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -31,7 +31,7 @@ you probably needn't concern yourself with isdn4k-utils. ====================== =============== ======================================== GNU C 3.2 gcc --version GNU make 3.81 make --version -binutils 2.12 ld -v +binutils 2.20 ld -v util-linux 2.10o fdformat --version module-init-tools 0.9.10 depmod -V e2fsprogs 1.41.4 e2fsck -V @@ -75,10 +75,9 @@ You will need GNU make 3.81 or later to build the kernel. Binutils -------- -Linux on IA-32 has recently switched from using ``as86`` to using ``gas`` for -assembling the 16-bit boot code, removing the need for ``as86`` to compile -your kernel. This change does, however, mean that you need a recent -release of binutils. +The build system has recently switched to using thin archives (`ar T`) rather +than incremental linking (`ld -r`) for built-in.o intermediate steps. This +requires binutils 2.20 or newer. Perl ---- diff --git a/arch/Kconfig b/arch/Kconfig index 6c00e5b00f8b..3abe581878d6 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -511,7 +511,7 @@ config CC_STACKPROTECTOR_STRONG endchoice config THIN_ARCHIVES - bool + def_bool y help Select this if the architecture wants to use thin archives instead of ld -r to create the built-in.o files. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index f7c8f9972f61..80d882a78426 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -472,14 +472,6 @@ config MPROFILE_KERNEL depends on PPC64 && CPU_LITTLE_ENDIAN def_bool !DISABLE_MPROFILE_KERNEL -config USE_THIN_ARCHIVES - bool "Build the kernel using thin archives" - default n - select THIN_ARCHIVES - help - Build the kernel using thin archives. - If you're unsure say N. - config IOMMU_HELPER def_bool PPC64 -- 2.11.0
