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  139.      <br><h1 class="page-title">Cross-compiling for go32v2 under linux</h1>
    140. 

  140.    
    141. 

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    142. 

  142. <div align='right'>
    143. 

  143.   <A href='/notifications/request-new?pretty%5fname=Cross%2dcompiling+for+go32v2+under+linux&amp;return%5furl=%2fbboards%2fmessage%3fmessage%5fid%3d252000%26forum%5fid%3d24083&amp;type%5fid=173140&amp;object%5fid=252000&amp;user%5fid=0'>Notify me of responses</A>
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  152.       <br>First of all excuse me my English, it's not my native language.

    153. 

  153. 

    154. 

  154. The problem occured when i tried to compile a sourcefile for DOS under linux, typing such code:

    155. 

  155. 

    156. 

  156. <PRE>

    157. 

  157. [root@localhost 2.3.1]# ./ppc386 -Tgo32v2 ./test.pas 

    158. 

  158. Free Pascal Compiler version 2.3.1 [2007/05/27] for i386

    159. 

  159. Copyright (c) 1993-2007 by Florian Klaempfl

    160. 

  160. Target OS: GO32 V2 DOS extender

    161. 

  161. Compiling ./test.pas

    162. 

  162. Fatal: Can't find unit System used by Program

    163. 

  163. Fatal: Compilation aborted

    164. 

  164. </PRE>

    165. 

  165. 

    166. 

  166. Then i tried to include path to unit System:

    167. 

  167. 

    168. 

  168. <PRE>

    169. 

  169. [root@localhost 2.3.1]# ./ppc386 -Tgo32v2 -Fu/fpc/rtl/go32v2/ /root/my-big-work/test.pas 

    170. 

  170. Free Pascal Compiler version 2.3.1 [2007/05/27] for i386

    171. 

  171. Copyright (c) 1993-2007 by Florian Klaempfl

    172. 

  172. Target OS: GO32 V2 DOS extender

    173. 

  173. Compiling /root/my-big-work/test.pas

    174. 

  174. Compiling /fpc/rtl/go32v2/system.pp

    175. 

  175. system.pp(34,2) Fatal: Can't open include file "systemh.inc"

    176. 

  176. Fatal: Compilation aborted

    177. 

  177. </PRE>

    178. 

  178. 

    179. 

  179. I've included lot of paths i could find. After a few attempt i got huge list of errors while compiling `test.pas', so that i couldn't believe it should be so difficult to cross-compile a sourcefile for DOS.

    180. 

  180. I've tried to compile a compiler for DOS by getting fpc sources and typing:

    181. 

  181. 

    182. 

  182. <PRE>

    183. 

  183. cd compiler

    184. 

  184. make clean

    185. 

  185. make cycle OS_TARGET=go32v2

    186. 

  186. </PRE>

    187. 

  187. 

    188. 

  188. After prolonged compiling ' got such error:

    189. 

  189. 

    190. 

  190. <PRE>

    191. 

  191. i386-go32v2-as -o ../../rtl/units/i386-go32v2/prt0.o v2prt0.as

    192. 

  192. make: i386-go32v2-as: Command not found

    193. 

  193. make: *** [prt0.o] Error 127

    194. 

  194. </PRE>

    195. 

  195. 

    196. 

  196. So, what should i do to get a compiler, that could compile programs for DOS? (I'm using Fedora Core 6 (Red Hat Linux kernel) and i would like to run my programs through Dosbox DOS Emulator under FC6)
    197. 

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    205. 

  205.         
    206. 

  206.            -- <a href="messages-by-user?forum_id=24083&amp;user_id=251990">Alexey Taran</a>, Май 27, 2007 13:01
    207. 

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  212.             <a href="message-mail?forum_id=24083&amp;message_id=252000">(email)</a>
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  221. </blockquote>
    222. 

  222. 

  223.  <br><h1>Answers:</h1>
    224. 

  224.  
    225. 

  225.   <h2></h2>
    226. 

  226.   <a name="252042"></a>
    227. 

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    235. 

  235.       <br>Well, you are experimenting in the right direction.&nbsp; What you need is a cross-assembler and linker. Perhaps they are in your distribution, otherwise you need to build them yourself or find them on the internet. Then you can build a go32 by executing a make command in the rtl directory. After that you can cross-compile.
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  244.         
    245. 

  245.            -- <a href="messages-by-user?forum_id=24083&amp;user_id=454">Daniël Mantione</a>, Май 27, 2007 15:26
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  251.             <a href="message-mail?forum_id=24083&amp;message_id=252042">(email)</a>
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  263.   <a name="252092"></a>
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    272. 

  272.       <br>1. Ok, i've got `binutils' source and compiled a cross-assembler `i386-go32v2-as' & cross-linker `i386-go32v2-ld'. I've putted that to /rtl/go32v2 and tried to run `make'. It was compiled without errors. So i typed:

    273. 

  273. 

    274. 

  274. <PRE>

    275. 

  275. cd compiler

    276. 

  276. make cycle

    277. 

  277. make install

    278. 

  278. </PRE>

    279. 

  279. 

    280. 

  280. and tried to compile my `test.pas' using new ppc386 compiler. I've got such error:

    281. 

  281. 

    282. 

  282. <PRE>

    283. 

  283. ./ppc386 -Tgo32v2 ./test.pas

    284. 

  284. Free Pascal Compiler version 2.3.1 [2007/05/27] for i386

    285. 

  285. Copyright (c) 1993-2007 by Florian Klaempfl

    286. 

  286. Target OS: GO32 V2 DOS extender

    287. 

  287. Compiling /root/my-big-work/test.pas

    288. 

  288. Fatal: Can't find unit System used by Program

    289. 

  289. Fatal: Compilation aborted

    290. 

  290. </PRE>

    291. 

  291. 

    292. 

  292. So, where is my mistake? I thought that i've got a cross-compiler, but it isn't true.<BR>

    293. 

  293. 2. I've tried to make a cross-compiler for win32, but i couldn't understand which target OS set for compiling cross-assembler & linker - `cygwin' or `mingw'? What is the difference between them?<BR><BR>

    294. 

  294. ---------------------<BR><BR>

    295. 

  295. I hope i've done right. My goal is to get a cross-compiler from linux (FC6) to go32v2. So, here is my actions:<BR>

    296. 

  296. 1. I've got `binutils' source and putted it to /binutils. After

    297. 

  297. <PRE>

    298. 

  298. cd /binutils

    299. 

  299. mkdir cross-utils

    300. 

  300. cd ./cross-utils

    301. 

  301. ../configure --target=i386-pc-go32

    302. 

  302. make

    303. 

  303. </PRE>

    304. 

  304. i've found few new folders with `as-new' and `ld-new', my cross-assembler and cross-linker. I renamed them to `i386-go32v2-as ' and `i386-go32v2-ld', and copied to /usr/bin.<BR>

    305. 

  305. 2. Having fpc sources, i've typed:

    306. 

  306. <PRE>

    307. 

  307. cd /fpc/compiler

    308. 

  308. make clean

    309. 

  309. make cycle

    310. 

  310. make install INSTALL_PREFIX=/usr/local

    311. 

  311. </PRE>

    312. 

  312. So, i've got new compiler, `ppcnew' say. I've continued:

    313. 

  313. <PRE>

    314. 

  314. cd /fpc/rtl/go32v2

    315. 

  315. make distclean # or make clean. I think, it doesn't matter.

    316. 

  316. make all OS_TARGET=go32v2 PP=/path_to_new_compiler/ppcnew

    317. 

  317. </PRE>

    318. 

  318. Some time passed while making, and i've got `i386-go32v2' folder in /fpc/rtl/units. So, i copied it to /path_to_new_compiler/units. After i tried to compile `hello world' and it worked!<BR>

    319. 

  319. Thanks a lot, you really helped me to deal with cross-compiling, because i didn't know about the importance of `as' and `ld' utils. :) <BR>

    320. 

  320. P.S. I've tried to make a cross-compiler for win32, and it also worked!
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  327.       
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    329. 

  329.         
    330. 

  330.            -- <a href="messages-by-user?forum_id=24083&amp;user_id=251990">Alexey Taran</a>, Май 28, 2007 00:35
    331. 

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  336.             <a href="message-mail?forum_id=24083&amp;message_id=252092">(email)</a>
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  357.       <br>Also have a look at</p>
    358. 

  358. <p><a href="http://www.stack.nl/~marcov/buildfaq.pdf">http://www.stack.nl/~marcov/buildfaq.pdf</a></p>
    359. 

  359. <p style="margin-bottom: 0px;">for some crosscompiling background info
    360. 

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  369.            -- <a href="messages-by-user?forum_id=24083&amp;user_id=2823">Marco van de Voort</a>, Июнь 13, 2007 12:25
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