2012-03-17 22 views
-1

當我編譯我的程序時沒有使用g++ -o選項,它會失敗並出現以下錯誤: 它沒有抱怨的符號在我的程序中。爲什麼它會與-o選項編譯得很好,但如果沒有這個選項就無法編譯?g ++中沒有-o選項的分段錯誤

integer: In function `_start': 
(.text+0x0): multiple definition of `_start' 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 0 has invalid symbol index 11 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 1 has invalid symbol index 12 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 2 has invalid symbol index 2 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 3 has invalid symbol index 2 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 4 has invalid symbol index 11 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 5 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 6 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 7 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 8 has invalid symbol index 2 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 9 has invalid symbol index 2 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 10 has invalid symbol index 12 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 11 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 12 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 13 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 14 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 15 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 16 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 17 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 18 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 19 has invalid symbol index 13 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 20 has invalid symbol index 20 
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_line): relocation 0 has invalid symbol index 2 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crt1.o:/build/buildd/eglibc-2.11.1/csu/../sysdeps/x86_64/elf/start.S:109: first defined here 
integer: In function `_fini': 
(.fini+0x0): multiple definition of `_fini' 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crti.o:(.fini+0x0): first defined here 
integer:(.rodata+0x0): multiple definition of `_IO_stdin_used' 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crt1.o:(.rodata.cst4+0x0): first defined here 
integer: In function `__data_start': 
(.data+0x0): multiple definition of `__data_start' 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crt1.o:(.data+0x0): first defined here 
integer: In function `__data_start': 
(.data+0x8): multiple definition of `__dso_handle' 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtbegin.o:(.data+0x0): first defined here 
integer: In function `_init': 
(.init+0x0): multiple definition of `_init' 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crti.o:(.init+0x0): first defined here 
/tmp/ccWZQo46.o: In function `main': 
/home/imarembo/source/zaffire1/integer.cc:839: multiple definition of `main' 
integer:(.text+0xe4): first defined here 
/usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtend.o:(.dtors+0x0): multiple definition of `__DTOR_END__' 
integer:(.dtors+0x8): first defined here 
/usr/bin/ld: warning: Cannot create .eh_frame_hdr section, --eh-frame-hdr ignored. 
/usr/bin/ld: error in integer(.eh_frame); no .eh_frame_hdr table will be created. 
collect2: ld returned 1 exit status 

有沒有解釋?我在這裏錯過了什麼嗎?

使用G ++(Ubuntu的4.4.3-4ubuntu5.1)4.4.3

感謝

+0

'-o'作爲輸出?發佈你的命令行。 – Pubby 2012-03-17 10:45:22

+0

你顯然沒有說出全部的真相,除了'-o'之外,你還指定了哪些其他的東西? – 2012-03-17 10:49:10

+0

g ++ -o integer integer.cc(編譯好)但是當我做g ++ -g integer integer.cc(或g ++ integer integer.cc)時失敗 – maress 2012-03-17 10:55:46

回答

9

-o需要一個參數(輸出文件),你不能簡單地只刪除-o部分。

g++ -g integer integer.cc嘗試編譯integer.cc,然後將其與現有的可執行文件(integer)鏈接。你有符號衝突並不奇怪。

正確的命令是:g++ -g integer.cc`g++ integer.cc