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| author | Nicholas Piggin <npiggin@gmail.com> | 2017-06-09 07:24:17 +0200 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-06-30 02:03:05 +0200 |
| commit | 799c43415442414b1032580c47684cb709dfed6d (patch) | |
| tree | 3ac5e1e130227865eb4c83c22254707de2a81859 | |
| parent | x86/um: thin archives build fix (diff) | |
| download | linux-799c43415442414b1032580c47684cb709dfed6d.tar.xz linux-799c43415442414b1032580c47684cb709dfed6d.zip | |
kbuild: thin archives make default for all archs
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@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| -rw-r--r-- | Documentation/process/changes.rst | 9 | ||||
| -rw-r--r-- | arch/Kconfig | 2 | ||||
| -rw-r--r-- | 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..68be1bbbe631 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, as of 4.13, 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 |