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Old 08-27-2008, 05:07 AM   #1
swift2008
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all about cross compilation


hi all
i would like to know about cross compilation.

1.what is meant by cross compilation.
2.what is the use and where can we use and can i use it fedora 9.
3.how to do it(step by step).
4.i have to cross compile "hello gtk" (helloword.c).

any help it should be appreciable
 
Old 08-27-2008, 05:25 AM   #2
vkmgeek
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cross compilation is basically your Host Platform/OS/Kernel and the Target platform/OS/Kernel for which you are compiling your source are Different........

And there is always Cross tool chain (if needed) is available............
 
Old 08-27-2008, 05:33 AM   #3
pinniped
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1. A cross-compiler is a compiler which can build software intended to run on the same operating system but a different CPU, or on a different operating system (with the same or different CPU).

2. The traditional use of a cross-compiler has been to build software for a less capable computer using software on a more capable computer (compiles faster, more convenient to use, etc). For example, some versions of the Macintosh System were built on a Cray supercomputer. You can build your own cross-compiler to do things such as build an operating system and software for an ARM CPU - this is fairly popular in the world of "embedded" computing. If you really feel like it, you can even use a compiler on an Intel Pentium computer running Linux to build software for a PowerPC computer running OSX Leopard.

I have no idea if there are pre-built cross-compilers on Fedora9.

3. See the GNU GCC documentation on cross compiling; you can find it via the FSF website. You can also go to the Linux From Scratch project and look at the documentation of the CLFS subproject; that gives you an abridged version of how to build a cross-compiler.

4. I have no idea what you're talking about. Cross compile what program on what computer for what other computer?
 
Old 08-27-2008, 05:49 AM   #4
swift2008
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hey! good explanation.

Quote:
Originally Posted by pinniped View Post
4. I have no idea what you're talking about. Cross compile what program on what computer for what other computer?
i seen the word helloworld in the link and i did not understand the tutorial it self.
http://linux.bytesex.org/cross-compiler.html
so i kept my querry here.
 
  


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