Commit 2398050c authored by Seblu's avatar Seblu
Browse files

Enable Clang LTO

parent 171bf1c3

PKGBUILD

+4 −4
Original line number Diff line number Diff line
@@ -21,7 +21,7 @@ _stable=https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git 
source=("git+$_main#tag=v5.12"

        "config.$CARCH")

sha256sums=('SKIP'

            '76b6967cbf841a05f3df3b664e1b9ab143a18a51939a88208dfe9af6872e548f')

            'e7e44ca2662ea5eaaefe8510bf711480b200dc0b706dccab549414469490a51b')



prepare() {

  [[ -d linux-stable ]] && ln -snf linux-stable linux
@@ -66,13 +66,13 @@ build() { 
  cd linux



  msg2 'Make prepare'

  make LLVM=1 prepare

  make LLVM=1 LLVM_IAS=1 prepare



  msg2 'Make bzImage'

  make LLVM=1 bzImage

  make LLVM=1 LLVM_IAS=1 bzImage



  msg2 'Make modules'

  make LLVM=1 modules

  make LLVM=1 LLVM_IAS=1 modules

}



package() {

config.x86_64

+6 −1
Original line number Diff line number Diff line
@@ -786,9 +786,14 @@ CONFIG_HAVE_ARCH_STACKLEAK=y 
CONFIG_HAVE_STACKPROTECTOR=y

CONFIG_STACKPROTECTOR=y

CONFIG_STACKPROTECTOR_STRONG=y

CONFIG_LTO=y

CONFIG_LTO_CLANG=y

CONFIG_ARCH_SUPPORTS_LTO_CLANG=y

CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y

CONFIG_LTO_NONE=y

CONFIG_HAS_LTO_CLANG=y

# CONFIG_LTO_NONE is not set

# CONFIG_LTO_CLANG_FULL is not set

CONFIG_LTO_CLANG_THIN=y

CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=y

CONFIG_HAVE_CONTEXT_TRACKING=y

CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK=y

update_config.sh

+2 −2
Original line number Diff line number Diff line
@@ -9,11 +9,11 @@ config_equal() 
}



if config_equal; then

	(cd "$SRC" && make LLVM=1 menuconfig)

	(cd "$SRC" && make LLVM=1 LLVM_IAS=1 menuconfig)

else

	[[ -e "$SRC" ]] && rm -rf "$SRC"

	makepkg --nobuild --force

	(cd "$SRC" && make LLVM=1 oldconfig)

	(cd "$SRC" && make LLVM=1 LLVM_IAS=1 oldconfig)

fi



if ! config_equal; then