gfortran:在64位系统中编译32位可执行文件 [英] gfortran: compiling 32-bit executable in 64-bit system
问题描述
我正在AMD Athlon(tm)64 X2双核处理器5200+×2上运行具有Linux内核3.5.0-51-通用的Ubuntu 12.10(64位).我有GNU Fortran(Ubuntu/Linaro 4.7.2-2ubuntu1)4.7.2.
I'm running Ubuntu 12.10 (64-bit), with Linux kernel 3.5.0-51-generic, on an AMD Athlon(tm) 64 X2 Dual Core Processor 5200+ ×2. I have GNU Fortran (Ubuntu/Linaro 4.7.2-2ubuntu1) 4.7.2.
我正在尝试将一些代码编译为32位可执行文件.我检查了所有必需的库是否已安装在系统上(我在以前在32位计算机上编译的程序上运行了ldd,并下载了缺少的软件包).我尝试运行$ gfortran foo.f -m32 -L/lib/i386-linux-gnu,但是出现以下错误:
I'm trying to compile some code into a 32-bit executable. I've checked that all the needed libraries are installed on my system (I ran ldd on a program previously compiled on a 32-bit computer, and downloaded the missing packages). I tried running $ gfortran foo.f -m32 -L/lib/i386-linux-gnu, but I get the following errors:
/usr/bin/ld: cannot find crt1.o: No such file or directory
/usr/bin/ld: cannot find crt1.o: No such file or directory
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgfortran.so when searching for -lgfortran
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgfortran.a when searching for -lgfortran
/usr/bin/ld: cannot find -lgfortran
/usr/bin/ld: cannot find -lm
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: cannot find -lgcc_s
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc.a when searching for -lgcc
/usr/bin/ld: cannot find -lgcc
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libquadmath.so when searching for -lquadmath
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libquadmath.a when searching for -lquadmath
/usr/bin/ld: cannot find -lquadmath
/usr/bin/ld: cannot find -lm
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: cannot find -lgcc_s
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc.a when searching for -lgcc
/usr/bin/ld: cannot find -lgcc
/usr/bin/ld: cannot find -lc
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: cannot find -lgcc_s
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/libgcc.a when searching for -lgcc
/usr/bin/ld: cannot find -lgcc
/usr/bin/ld: cannot find crtn.o: No such file or directory
collect2: returned 1 exit status
我检查了/usr/lib/gcc/i686-linux-gnu/4.7和/usr/lib/gcc/i686-linux-gnu/4.7.2目录,它们都为空.
I checked the /usr/lib/gcc/i686-linux-gnu/4.7 and /usr/lib/gcc/i686-linux-gnu/4.7.2 directories, and they are both empty.
您能帮我解决这个问题吗?我做了研究,但是这是我所能做到的.
Can you please help me solve this problem? I did my research but this was as far as I could get.
提前谢谢!
推荐答案
64位库/usr/lib/gcc/x86_64-linux-gnu/...
不适用于您的32位编译器.您需要安装multilib编译器软件包(请参见 https://help.ubuntu.com/community/InstallingCompilers ).例如:
The 64-bit libraries /usr/lib/gcc/x86_64-linux-gnu/...
don't apply to your 32-bit compile. You need to install the multilib compiler packages (see https://help.ubuntu.com/community/InstallingCompilers). For example:
sudo apt-get install gfortran-multilib
现在gfortran -m32 foo.f
应该可以工作.
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