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LLVM Linux Build Issues Collection

License: GNU General Public License v2.0

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symbol multiply defined

I found several "symbol multiply defined" errors, and I known some objects should not be linked together. I try to parse -ld commands in makeout.txt but these command seems too complicated. I will try again later.

llvm-link-9 /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_nat_l3proto_ipv4.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ipt_MASQUERADE.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_conntrack_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_defrag_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_nat.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_nat_proto_icmp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_mangle.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_reject_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_log_ipv4.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ip_tables.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_conntrack_proto_icmp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_nat_masquerade_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ipt_REJECT.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_reject_ipv4.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ip_tables.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_mangle.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_filter.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_filter.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_log_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_nat_ipv4.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ipt_REJECT.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/iptable_nat.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_defrag_ipv4.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/ipt_MASQUERADE.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/nf_nat_masquerade_ipv4.llvm.bc -o /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/ipv4/netfilter/built-in.llvm.bc
error: Linking globals named 'init_module': symbol multiply defined!

llvm-link-9 /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_comment.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_tcpudp.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_core.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_proto_udp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_proto_unknown.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_proto_generic.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_acct.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/x_tables.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_standalone.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_proto.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/x_tables.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_mark.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_nat.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_LOG.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_extend.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_expect.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_log_common.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_tcpudp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_sockopt.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_proto_common.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_log_common.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/core.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_l3proto_generic.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_mac.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_core.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_time.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_helper.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_multiport.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_limit.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_mac.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_log.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_nat.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_REDIRECT.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_LOG.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_proto_udp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_TCPMSS.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_time.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_proto_tcp.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_mark.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_comment.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_seqadj.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_multiport.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_REDIRECT.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_limit.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_queue.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_conntrack_helper.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/xt_TCPMSS.mod.llvm.bc /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/nf_nat_proto_tcp.llvm.bc -o /home/liuqiang/Desktop/linux-3.18.20-llvm-bitcode/net/netfilter/built-in.llvm.bc
error: Linking globals named '__this_module': symbol multiply defined!

duplicated inline assembly

even i use -override, i still get duplicated inline assembly in vmlinux.bc

       6 module asm ".text"
       7 module asm ".balign 4"
       8 module asm ".arm"
       9 module asm "\09.macro\09it, cond"
      10 module asm "\09.endm"
      11 module asm "\09.macro\09itt, cond"
      12 module asm "\09.endm"
      13 module asm "\09.macro\09ite, cond"
      14 module asm "\09.endm"
      15 module asm "\09.macro\09ittt, cond"
      16 module asm "\09.endm"
      17 module asm "\09.macro\09itte, cond"
      18 module asm "\09.endm"
      19 module asm "\09.macro\09itet, cond"
      20 module asm "\09.endm"
      21 module asm "\09.macro\09itee, cond"
      22 module asm "\09.endm"
      23 module asm "\09.macro\09itttt, cond"
      24 module asm "\09.endm"
      25 module asm "\09.macro\09ittte, cond"
      26 module asm "\09.endm"
      27 module asm "\09.macro\09ittet, cond"
      28 module asm "\09.endm"
      29 module asm "\09.macro\09ittee, cond"
      30 module asm "\09.endm"
      31 module asm "\09.macro\09itett, cond"
      32 module asm "\09.endm"
      33 module asm "\09.macro\09itete, cond"
      34 module asm "\09.endm"
      35 module asm "\09.macro\09iteet, cond"
      36 module asm "\09.endm"
      37 module asm "\09.macro\09iteee, cond"
      38 module asm "\09.endm"
      39 module asm ""

duplicated for thousands of times because the header arch/arm/include/asm/unified.h is added to every .S file in compilation

/home/liuqiang/Desktop/staging_dir/toolchain-arm_v5t_gcc-4.3.3+cs_uClibc-
0.9.30.1_eabi/usr/bin/arm-openwrt-linux-gcc -Wp,-MD,arch/arm/lib/.copy_to_user.o.d  -nostdinc 
-isystem /home/liuqiang/Desktop/staging_dir/toolchain-arm_v5t_gcc-4.3.3+cs_uClibc-
0.9.30.1_eabi/usr/bin/../lib/gcc/arm-openwrt-linux-uclibcgnueabi/4.3.3/include -Iinclude
  -I/home/liuqiang/Desktop/test-kernel/linux-2.6.32-pure/arch/arm/include -include include/linux/autoconf.h -D__KERNEL__ -mlittle-endian -Iarch/arm/mach-orion5x/include 
-Iarch/arm/plat-orion/include -D__ASSEMBLY__ -mabi=aapcs-linux -mno-thumb-interwork  
-D__LINUX_ARM_ARCH__=5 -march=armv5te -mtune=marvell-f -include asm/unified.h -msoft-float
-c -o arch/arm/lib/copy_to_user.o arch/arm/lib/copy_to_user.S

but it may not be critical, because i can visit other functions normally

any idea to remove duplicated inline assembly?

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