clang-2.9 crt1 未找到错误
刚刚编译了 clang-2.9 版本,它无法链接 hello world 示例。出现错误:
crt1.o: No such file: No such file or directory
LLVM 配置为默认 + --enable-shared
。具有相同选项的 llvm-2.8 版本可以在同一台机器上正常工作。
$ clang -v a.c
clang version 2.9 (tags/RELEASE_29/final)
Target: i386-pc-linux-gnu
Thread model: posix
"/root/bin/clang" -cc1 -triple i386-pc-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name a.c -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -target-cpu pentium4 -target-linker-version 2.18 -momit-leaf-frame-pointer -v -resource-dir /root/lib/clang/2.9 -ferror-limit 19 -fmessage-length 157 -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/cc-2ueoYy.o -x c a.c
clang -cc1 version 2.9 based upon llvm 2.9 hosted on i386-pc-linux-gnu
ignoring nonexistent directory "/usr/local/include"
#include "..." search starts here:
#include <...> search starts here:
/root/lib/clang/2.9/include
/usr/include
End of search list.
a.c:1:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
main(){}
^~~~
1 warning generated.
"/usr/bin/ld" --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o a.out crt1.o crti.o crtbegin.o -L -L/../../.. /tmp/cc-2ueoYy.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed crtend.o crtn.o
/usr/bin/ld: crt1.o: No such file: No such file or directory
clang: error: linker command failed with exit code 1 (use -v to see invocation)
同样的错误在这里 http://permalink.gmane.org/gmane .comp.compilers.clang.devel/12101 和 http://comments.gmane.org/gmane.comp.compilers .clang.devel/14269 和 http://permalink .gmane.org/gmane.comp.compilers.llvm.bugs/11352
与 llvm-2.8 比较时我可以学到什么——新版本尝试自行组装文件,旧版本调用 gcc 进行组装和链接步骤。
Just compiled clang-2.9 release and it can't link an hello world example. There is the error:
crt1.o: No such file: No such file or directory
LLVM is configured as default + --enable-shared
. The llvm-2.8 build with same options works normally on the same machine.
$ clang -v a.c
clang version 2.9 (tags/RELEASE_29/final)
Target: i386-pc-linux-gnu
Thread model: posix
"/root/bin/clang" -cc1 -triple i386-pc-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name a.c -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -target-cpu pentium4 -target-linker-version 2.18 -momit-leaf-frame-pointer -v -resource-dir /root/lib/clang/2.9 -ferror-limit 19 -fmessage-length 157 -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/cc-2ueoYy.o -x c a.c
clang -cc1 version 2.9 based upon llvm 2.9 hosted on i386-pc-linux-gnu
ignoring nonexistent directory "/usr/local/include"
#include "..." search starts here:
#include <...> search starts here:
/root/lib/clang/2.9/include
/usr/include
End of search list.
a.c:1:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
main(){}
^~~~
1 warning generated.
"/usr/bin/ld" --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o a.out crt1.o crti.o crtbegin.o -L -L/../../.. /tmp/cc-2ueoYy.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed crtend.o crtn.o
/usr/bin/ld: crt1.o: No such file: No such file or directory
clang: error: linker command failed with exit code 1 (use -v to see invocation)
The same error was here http://permalink.gmane.org/gmane.comp.compilers.clang.devel/12101
and http://comments.gmane.org/gmane.comp.compilers.clang.devel/14269 and http://permalink.gmane.org/gmane.comp.compilers.llvm.bugs/11352
What I can learn while comparing with llvm-2.8 -- newer version tries to assemble file itself, and older version calls gcc to do assemble and link steps.
Please, this is not a duplicate of clang linker problem as I can't edit sources of LLVM, so the accepted solution isn't useful to me.
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正如 http://permalink.gmane.org/gmane.comp 所建议的那样。 compilers.llvm.bugs/11352(llvm bug 8897)这是因为
或
两种情况都适合我的安装。
为了解决这个问题,我将尝试将我的 gcc 版本添加到列表
GccVersions[]
中。这对我有帮助。
As suggested at http://permalink.gmane.org/gmane.comp.compilers.llvm.bugs/11352 (llvm bug 8897) this is because
or
Both cases are true for my installation.
To fix this, I'll try to add my version of gcc into list
GccVersions[]
.This helps me.