在Ubuntu下的CodeBlocks中将gfortran库链接到c ++程序 [英] Linking gfortran libraries to c++ program in CodeBlocks under Ubuntu

问题描述

我在Vmware下有一个Ubuntu，并使用Code :: Blocks，因为我不是一个非常强大的命令行用户
，并且更喜欢IDE到Vim + console。

我试图编译一个使用c ++ wrapper来fortran库的程序。
然而编译给了我以下错误：

$ p $ 对`_gfortran_compare_string'的未定义引用



这种类型的错误很多，而其他类似的错误也很多。

我有gfortran 4.6.3。我发现搜索它可能是一个链接问题，并且人们说
使用链接器的-lgfortran选项。当我将这添加到Code :: Blocks中的链接器选项时，它不会改变任何内容，错误会继续。所以，这里有一些问题：

1. 这是链接器的正确选项吗？


2. 可能我必须为链接器提供一个直接访问fortran库的路径吗？


3. 如何查找fortran库的安装位置？ （我对Linux没有太多了解（（（）
）

4. 我做错了什么以及如何解决它。

解决方案

我的猜测类似于/ bin / lib / usr / lib或/ usr / local / lib，只要看看你的文件系统。没有Linuix的工作，也许是其他人？

Kim Kulling

I have an Ubuntu under Vmware, and use Code::Blocks, as I am not a very powerful command line user and prefer IDE to Vim+console.

I am trying to compile a program which uses a c++ wrapper to fortran library. However compiling gives me the following errors:

undefined reference to `_gfortran_compare_string'

There are a lot of errors of this type and a bunch of other similar to this one.

I have gfortran 4.6.3. I found searching that it is probably a linking problem, and people say to use -lgfortran option for linker. When I add this to linker options in the Code::Blocks it does not change anything, errors continue. So, here are some question:

1. Is this a correct option for linker?
2. May be I have to give linker a direct path to the fortran library?
3. How do I find where are the fortran libraries installed? (I don't know a lot about linux ((( )
4. What am I doing wrong and how to fix it.

解决方案

My guess is something like /bin/lib /usr/lib or /usr/local/lib. Just take a look into your filesystem. Unfortunately I do not have a Linuix at work. Maybe someone else?

Kim Kulling

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