Commit 171bf1c3 authored by Seblu's avatar Seblu
Browse files

Build kernel with LLVM

parent c9f8f1b4

PKGBUILD

+9 −6
Original line number Diff line number Diff line
@@ -9,16 +9,19 @@ arch=('x86_64') 
license=('GPL2')

url='http://www.kernel.org'

options=('!strip' '!buildflags')

makedepends=('glibc' 'libelf' 'kmod' 'git' 'make' 'gcc' 'bc' 'sed' 'cpio'

makedepends=('llvm' 'clang' 'lld' 'libelf' 'kmod' 'git' 'make' 'bc' 'sed' 'cpio'

  'python')

depends=('linux-firmware' 'kernel-install-hook')

optdepends=(

  'linux-firmware: linux firmwares'

  'kernel-install-hook: systemd installation helpers'

)

install=linux-seblu.install

_main=https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

_stable=https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git

source=("git+$_main#tag=v5.12"

        "config.$CARCH")

sha256sums=('SKIP'

            'c1441f0291008d1a00ffd30dc6f34574923aa8a8e8decf9abd28251590bef121')

            '76b6967cbf841a05f3df3b664e1b9ab143a18a51939a88208dfe9af6872e548f')



prepare() {

  [[ -d linux-stable ]] && ln -snf linux-stable linux
@@ -63,13 +66,13 @@ build() { 
  cd linux



  msg2 'Make prepare'

  make prepare

  make LLVM=1 prepare



  msg2 'Make bzImage'

  make bzImage

  make LLVM=1 bzImage



  msg2 'Make modules'

  make modules

  make LLVM=1 modules

}



package() {

config.x86_64

+15 −14
Original line number Diff line number Diff line
@@ -2,16 +2,18 @@ 
# Automatically generated file; DO NOT EDIT.

# Linux/x86 5.12.0 Kernel Configuration

#

CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.0"

CONFIG_CC_IS_GCC=y

CONFIG_GCC_VERSION=100200

CONFIG_CLANG_VERSION=0

CONFIG_LD_IS_BFD=y

CONFIG_LD_VERSION=23501

CONFIG_LLD_VERSION=0

CONFIG_CC_VERSION_TEXT="clang version 11.1.0"

CONFIG_GCC_VERSION=0

CONFIG_CC_IS_CLANG=y

CONFIG_CLANG_VERSION=110100

CONFIG_LD_VERSION=0

CONFIG_LD_IS_LLD=y

CONFIG_LLD_VERSION=110100

CONFIG_CC_CAN_LINK=y

CONFIG_CC_CAN_LINK_STATIC=y

CONFIG_CC_HAS_ASM_GOTO=y

CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y

CONFIG_TOOLS_SUPPORT_RELR=y

CONFIG_CC_HAS_ASM_INLINE=y

CONFIG_IRQ_WORK=y

CONFIG_BUILDTIME_TABLE_SORT=y
@@ -841,9 +843,6 @@ CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y 
# end of GCOV-based kernel profiling



CONFIG_HAVE_GCC_PLUGINS=y

CONFIG_GCC_PLUGINS=y

# CONFIG_GCC_PLUGIN_LATENT_ENTROPY is not set

# CONFIG_GCC_PLUGIN_RANDSTRUCT is not set

# end of General architecture-dependent options



CONFIG_RT_MUTEXES=y
@@ -7461,11 +7460,11 @@ CONFIG_LSM="yama,loadpin,safesetid,integrity,selinux,smack,tomoyo,apparmor" 
#

# Memory initialization

#

CONFIG_CC_HAS_AUTO_VAR_INIT_PATTERN=y

CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO=y

CONFIG_INIT_STACK_NONE=y

# CONFIG_GCC_PLUGIN_STRUCTLEAK_USER is not set

# CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF is not set

# CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL is not set

# CONFIG_GCC_PLUGIN_STACKLEAK is not set

# CONFIG_INIT_STACK_ALL_PATTERN is not set

# CONFIG_INIT_STACK_ALL_ZERO is not set

# CONFIG_INIT_ON_ALLOC_DEFAULT_ON is not set

# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set

# end of Memory initialization
@@ -7921,6 +7920,7 @@ CONFIG_HAVE_ARCH_KGDB=y 
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y

# CONFIG_UBSAN is not set

CONFIG_HAVE_ARCH_KCSAN=y

CONFIG_HAVE_KCSAN_COMPILER=y

# end of Generic Kernel Debugging Instruments



# CONFIG_DEBUG_KERNEL is not set
@@ -7945,6 +7945,7 @@ CONFIG_ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP=y 
CONFIG_HAVE_ARCH_KASAN=y

CONFIG_HAVE_ARCH_KASAN_VMALLOC=y

CONFIG_CC_HAS_KASAN_GENERIC=y

CONFIG_CC_HAS_KASAN_SW_TAGS=y

CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y

# CONFIG_KASAN is not set

CONFIG_HAVE_ARCH_KFENCE=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 menuconfig)

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

else

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

	makepkg --nobuild --force

	(cd "$SRC" && make oldconfig)

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

fi



if ! config_equal; then