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Makefile: don't grep when setting CC_SUPPORT_ZICSR_ZIFENCEI

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Check exit status from the compiler/linker check directly (similar to
OPENSBI_LD_PIE), rather than using grep to search for a pattern. This
avoids potential unrelated matches in the command.

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260923-makefile_extension_grep-v2-1-0eb97b8ac076@baylibre.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Trevor Gamblin
2026-09-28 11:03:50 +05:30
committed by Anup Patel
parent 5a17501726
commit 7b4c152c8f
1 changed files with 1 additions and 1 deletions
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Makefile
+1 -1
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@@ -204,7 +204,7 @@ CC_SUPPORT_SAVE_RESTORE := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib
CC_SUPPORT_STRICT_ALIGN := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -mstrict-align -x c /dev/null -o /dev/null 2>&1 | grep -e "-mstrict-align" -e "-mno-unaligned-access" >/dev/null && echo n || echo y)
# Check whether the assembler and the compiler support the Zicsr and Zifencei extensions
CC_SUPPORT_ZICSR_ZIFENCEI := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -march=rv$(OPENSBI_CC_XLEN)imafd_zicsr_zifencei -x c /dev/null -o /dev/null 2>&1 | grep -e "zicsr" -e "zifencei" > /dev/null && echo n || echo y)
CC_SUPPORT_ZICSR_ZIFENCEI := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -march=rv$(OPENSBI_CC_XLEN)imafd_zicsr_zifencei -x c /dev/null -o /dev/null >/dev/null 2>&1 && echo y || echo n)
# Check whether the assembler and the compiler support the Vector extension
CC_SUPPORT_VECTOR := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -march=rv$(OPENSBI_CC_XLEN)gv -dM -E -x c /dev/null 2>&1 | grep -q riscv.*vector && echo y || echo n)