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x86_64: allow specifying alternative compilers via CROSSDEV, rather than restricting to specific compiler

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Test:

git clone -b dev -depth 1 https://github.com/open-vela/prebuilts_gcc_windows-x86_64_x86_64-none-elf.git ${HOME}/x86_64-none-elf
export CROSSDEV=${HOME}/x86_64-none-elf/bin/x86_64-none-elf-
./tools/configure.sh -l qemu-intel64:nsh
make

Output:

Create version.h
LN: platform/board to /home/shanmin/git/nuttx-apps/platform/dummy
Register: hello
Register: dd
Register: nsh
Register: sh
Register: ostest
LD: nuttx

Signed-off-by: Shanmin Zhang <zhangshanmin@xiaomi.com>
This commit is contained in:
Shanmin Zhang 2025-07-29 12:36:10 +08:00 • committed by Xiang Xiao
parent 57d5d87d46
commit 5a91b1b0ee
1 changed files with 2 additions and 2 deletions
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4
arch/x86_64/src/common/Toolchain.defs
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@ -79,11 +79,11 @@ LLVM_ABITYPE := sysv
# Cygwin toolchains don't generate ELF binaries.
ifeq ($(CONFIG_WINDOWS_CYGWIN),y)
CROSSDEV = i486-nuttx-elf-
CROSSDEV ?= i486-nuttx-elf-
endif
ifeq ($(CONFIG_HOST_MACOS),y)
CROSSDEV = x86_64-elf-
CROSSDEV ?= x86_64-elf-
endif
ifneq ($(CONFIG_CXX_STANDARD),)