[PATCH 2/3] Makefile: don't grep when setting CC_SUPPORT_STRICT_ALIGN
Trevor Gamblin
tgamblin at baylibre.com
Thu Sep 10 07:43:22 PDT 2026
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 at baylibre.com>
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 07ac7e30..a8ccfbab 100644
--- a/Makefile
+++ b/Makefile
@@ -201,7 +201,7 @@ OPENSBI_LD_EXCLUDE_LIBS := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) $(USE_LD_
CC_SUPPORT_SAVE_RESTORE := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -mno-save-restore -x c /dev/null -o /dev/null 2>&1 | grep -e "-save-restore" >/dev/null && echo n || echo y)
# Check whether the compiler supports -m(no-)strict-align
-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)
+CC_SUPPORT_STRICT_ALIGN := $(shell $(CC) $(CLANG_TARGET) $(RELAX_FLAG) -nostdlib -mstrict-align -x c /dev/null -o /dev/null 2>&1 && echo y || echo n)
# 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 >/dev/null 2>&1 && echo y || echo n)
--
2.55.0
More information about the opensbi
mailing list