gcc7 generates a call to __udivmoddi4 ... stubdom/mini-os-x86_32-grub/mini-os.o: In function `_strtoll_r': stubdom/newlib-x86_32/i686-xen-elf/newlib/libc/stdlib/../../../../../newlib-1.16.0/newlib/libc/stdlib/strtoll_r.c:110: undefined reference to `__udivmoddi4' make[2]: *** [Makefile:167: stubdom/mini-os-x86_32-grub/mini-os] Error 1 ... which the linker only finds if libgcc.a is provided on the commandline. Signed-off-by: Olaf Hering <olaf@aepfle.de> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index ef8559b..b9c1336 100644 --- a/Makefile +++ b/Makefile @@ -162,7 +162,7 @@ $(OBJ_DIR)/arch/x86/minios-x86%.lds: arch/x86/minios-x86.lds.S $(CPP) $(ASFLAGS) -P $< -o $@ $(OBJ_DIR)/$(TARGET): $(OBJS) $(APP_O) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds - $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(APP_O) $(OBJS) $(LDARCHLIB) $(LDLIBS) -o $@.o + $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(APP_O) $(OBJS) $(LDARCHLIB) $(LDLIBS) $$(gcc -print-libgcc-file-name $(CFLAGS)) -o $@.o $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* -G _start $@.o $@.o $(LD) $(LDFLAGS) $(LDFLAGS_FINAL) $@.o $(EXTRA_OBJS) -o $@ gzip -f -9 -c $@ >$@.gz _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel