From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com,
linux-mips@vger.kernel.org, x86@kernel.org
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Russell King <linux@armlinux.org.uk>,
Paul Burton <paul.burton@mips.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, Stephen Boyd <sboyd@kernel.org>,
Mark Salyzyn <salyzyn@android.com>,
Kees Cook <keescook@chromium.org>,
Peter Collingbourne <pcc@google.com>,
Dmitry Safonov <0x7f454c46@gmail.com>,
Andrei Vagin <avagin@openvz.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Marc Zyngier <maz@kernel.org>,
Mark Rutland <Mark.Rutland@arm.com>,
Nathan Chancellor <natechancellor@gmail.com>
Subject: [PATCH v5 26/26] arm64: vdso32: Enable Clang Compilation
Date: Fri, 20 Mar 2020 14:53:51 +0000 [thread overview]
Message-ID: <20200320145351.32292-27-vincenzo.frascino@arm.com> (raw)
In-Reply-To: <20200320145351.32292-1-vincenzo.frascino@arm.com>
Enable Clang Compilation for the vdso32 library.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
---
arch/arm64/kernel/vdso32/Makefile | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index 04df57b43cb1..3964738ebbde 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -10,7 +10,18 @@ include $(srctree)/lib/vdso/Makefile
# Same as cc-*option, but using CC_COMPAT instead of CC
ifeq ($(CONFIG_CC_IS_CLANG), y)
+COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit))
+COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..)
+
+CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
+CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR)
+CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments
+ifneq ($(COMPAT_GCC_TOOLCHAIN),)
+CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN)
+endif
+
CC_COMPAT ?= $(CC)
+CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS)
else
CC_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc
endif
--
2.25.1
next prev parent reply other threads:[~2020-03-20 14:56 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 14:53 [PATCH v5 00/26] Introduce common headers for vDSO Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 01/26] linux/const.h: Extract common header " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 02/26] linux/bits.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 03/26] linux/limits.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 04/26] x86:Introduce asm/vdso/clocksource.h Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] x86: Introduce asm/vdso/clocksource.h tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 05/26] arm: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 06/26] arm64: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 07/26] mips: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 08/26] linux/clocksource.h: Extract common header for vDSO Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 09/26] linux/math64.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 10/26] linux/time.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 11/26] linux/time32.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 12/26] linux/time64.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 13/26] linux/jiffies.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 14/26] linux/ktime.h: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 15/26] common: Introduce processor.h Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 16/26] scripts: Fix the inclusion order in modpost Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 17/26] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 18/26] arm64: vdso32: Code clean up Vincenzo Frascino
2020-03-20 15:26 ` Catalin Marinas
2020-03-20 23:21 ` Stephen Boyd
2020-03-21 12:06 ` Catalin Marinas
2020-03-20 14:53 ` [PATCH v5 19/26] arm64: Introduce asm/vdso/processor.h Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 20/26] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 21/26] arm64: vdso32: " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 22/26] mips: vdso: Enable mips to use common headers Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 23/26] x86: vdso: Enable x86 " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] x86/vdso: " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 24/26] arm: vdso: Enable arm " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 25/26] lib: vdso: Enable " Vincenzo Frascino
2020-03-21 14:33 ` [tip: timers/core] lib/vdso: " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` Vincenzo Frascino [this message]
2020-03-20 23:15 ` [PATCH v5 26/26] arm64: vdso32: Enable Clang Compilation Stephen Boyd
2020-03-21 14:33 ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
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