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bios: add -Zunstable-options for custom JSON target spec

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Rust nightly requires -Zunstable-options for custom target JSON specs
(such as x86-unknown-none.json). Without it, the build fails with:
  error: error loading target specification: custom targets are
  unstable and require `-Zunstable-options`

UEFI already uses the built-in x86_64-unknown-uefi target, so it
didn't need this flag. The kernel recipe already has this fix; the
bootloader BIOS Makefile was missing it.
This commit is contained in:
Red Bear OS
2026-06-28 04:40:40 +03:00
parent 89c68d0738
commit 3cc7ed909c
1 changed files with 2 additions and 2 deletions
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mk/x86-unknown-none.mk
+2 -2
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@@ -7,7 +7,7 @@ all: $(BUILD)/bootloader.bin
$(BUILD)/libbootloader.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
mkdir -p "$(BUILD)"
env RUSTFLAGS="--cfg aes_force_soft" \
env RUSTFLAGS="--cfg aes_force_soft -Zunstable-options" \
cargo rustc \
--manifest-path="$<" \
-Z build-std=core,alloc \
@@ -20,7 +20,7 @@ $(BUILD)/libbootloader.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find
$(BUILD)/libbootloader-live.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
mkdir -p "$(BUILD)"
env RUSTFLAGS="--cfg aes_force_soft" \
env RUSTFLAGS="--cfg aes_force_soft -Zunstable-options" \
cargo rustc \
--manifest-path="$<" \
-Z build-std=core,alloc \