Just like before with __bswapdi2(), for MIPS pre-boot when CONFIG_KERNEL_ZSTD=y the decompressor function will use __ashldi3(), so the object file should be added to the target object file. Fixes these build errors: mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_buildDTable_internal': decompress.c:(.text.FSE_buildDTable_internal+0x48): undefined reference to `__ashldi3' mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_decompress_wksp_body_default': decompress.c:(.text.FSE_decompress_wksp_body_default+0xa8): undefined reference to `__ashldi3' mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `ZSTD_getFrameHeader_advanced': decompress.c:(.text.ZSTD_getFrameHeader_advanced+0x134): undefined reference to `__ashldi3' Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> --- arch/mips/boot/compressed/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 2861a05c2e0c..f27cf31b4140 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -52,7 +52,7 @@ endif vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o -vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o +vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o targets := $(notdir $(vmlinuzobjs-y)) -- 2.33.0