I got the following compiler error when building v12 of this patchset: DESCEND stacktool CC stacktool.o CC elf.o CC special.o CC arch/x86/decode.o LD arch/x86/stacktool-in.o LD stacktool-in.o Warning: stacktool: x86 instruction decoder differs from kernel LINK stacktool stacktool-in.o: In function `elf_close': (.text+0xe7c): undefined reference to `elf_end' stacktool-in.o: In function `elf_open': (.text+0xec7): undefined reference to `elf_version' stacktool-in.o: In function `elf_open': (.text+0xf29): undefined reference to `elf_begin' stacktool-in.o: In function `elf_open': (.text+0xf42): undefined reference to `gelf_getehdr' stacktool-in.o: In function `elf_open': (.text+0xf59): undefined reference to `elf_getshdrnum' stacktool-in.o: In function `elf_open': (.text+0xf6f): undefined reference to `elf_getshdrstrndx' stacktool-in.o: In function `elf_open': (.text+0xfc9): undefined reference to `elf_getscn' stacktool-in.o: In function `elf_open': (.text+0xfdd): undefined reference to `elf_ndxscn' stacktool-in.o: In function `elf_open': (.text+0xff2): undefined reference to `gelf_getshdr' stacktool-in.o: In function `elf_open': (.text+0x100e): undefined reference to `elf_strptr' stacktool-in.o: In function `elf_open': (.text+0x1029): undefined reference to `elf_getdata' stacktool-in.o: In function `elf_open': (.text+0x1101): undefined reference to `elf_nextscn' stacktool-in.o: In function `elf_open': (.text+0x119e): undefined reference to `gelf_getsym' stacktool-in.o: In function `elf_open': (.text+0x11b8): undefined reference to `elf_strptr' stacktool-in.o: In function `elf_open': (.text+0x13d4): undefined reference to `gelf_getrela' collect2: error: ld returned 1 exit status Makefile:33: recipe for target 'stacktool' failed make[2]: *** [stacktool] Error 1 Makefile:53: recipe for target 'stacktool' failed make[1]: *** [stacktool] Error 2 Makefile:1502: recipe for target 'tools/stacktool' failed make: *** [tools/stacktool] Error 2 The patch below addresses this issue for me. -- >From 9ec5827aa726300394c0155657820f2595008116 Mon Sep 17 00:00:00 2001 From: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx> Date: Tue, 15 Sep 2015 16:45:27 +0000 Subject: [PATCH] x86/stacktool: Fix LDFLAGS order in Makefile When building tools/stacktool I get a compiler error which causes libelf to not properly link. This patch adjusts the LDFLAG after the object file, which allows gcc to properly link. Signed-off-by: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx> --- tools/stacktool/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/stacktool/Makefile b/tools/stacktool/Makefile index 87a3ee0..9f5d2f9 100644 --- a/tools/stacktool/Makefile +++ b/tools/stacktool/Makefile @@ -39,7 +39,7 @@ $(STACKTOOL): $(STACKTOOL_IN) diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \ diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \ || echo "Warning: stacktool: x86 instruction decoder differs from kernel" >&2 )) || true - $(QUIET_LINK)$(CC) $(LDFLAGS) $(STACKTOOL_IN) -o $@ + $(QUIET_LINK)$(CC) $(STACKTOOL_IN) $(LDFLAGS) -o $@ clean: $(call QUIET_CLEAN, stacktool) $(RM) $(STACKTOOL) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
