Unverified Commit 80623f2c authored Nov 14, 2025 by Thomas Weißschuh Committed by Nicolas Schier Nov 14, 2025

init: deduplicate cc-can-link.sh invocations



The command to invoke scripts/cc-can-link.sh is very long and new usages
are about to be added.

Add a helper variable to make the code easier to read and maintain.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20251114-kbuild-userprogs-bits-v3-2-4dee0d74d439@linutronix.de


Signed-off-by: Nicolas Schier <nsc@kernel.org>

parent d81d9d38

init/Kconfig

+2 −2

Original line number	Diff line number	Diff line
		@@ -84,8 +84,8 @@ config RUSTC_LLVM_VERSION

		config CC_CAN_LINK
		bool
		default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag)) if 64BIT
		default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag))
		default $(cc_can_link_user,$(m64-flag)) if 64BIT
		default $(cc_can_link_user,$(m32-flag))

		# Fixed in GCC 14, 13.3, 12.4 and 11.5
		# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113921

scripts/Kconfig.include

+3 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,9 @@ cc-option-bit = $(if-success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null,$
		m32-flag := $(cc-option-bit,-m32)
		m64-flag := $(cc-option-bit,-m64)

		# Test whether the compiler can link userspace applications
		cc_can_link_user = $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(1))

		rustc-version := $(shell,$(srctree)/scripts/rustc-version.sh $(RUSTC))
		rustc-llvm-version := $(shell,$(srctree)/scripts/rustc-llvm-version.sh $(RUSTC))