Cross compiling under Windows for Linux Post: 302359068

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Top Forums Programming Cross compiling under Windows for Linux Post 302359068 by Shompis on Monday 5th of October 2009 06:11:42 PM

10-05-2009

Registered User

Hi,

Resurrecting this old thread.

I am in a similiar situation, however, we already have a native compiler on linux that will build 32bit and 64bit linux cross compilers. Now we want to go a step further and be able to cross-compile on a Windows host. The native compiler is based on GCC 3.3.3 and built with GCC 3.3.3, while the cross-compilers are GCC 4.1.2 compliant. We have sysroots in place for 32bit and 64bit, and the native compiler, and link in the source codes for GCC and Binutils. My question is, if we the criteria above, is it really necessary for me to install the crosstool mentioned in the link regarding cross-compiler in cygwin? Would it be sufficient to build the native compiler with Cygwin GCC 3.3.3 and link in necessary rpms (which we extract of course) from the linux distros), and then with the native compiler build the cross-compilers?

I would like to do as little changes as possible in the code we already have. Right now we build everything with make, and the source codes and binaries from the linux distros (we only take what it necessary, so only the relevant rpms are stored) are in rpm format.. The native compiler is buillt in a similiar way, i.e. source code for binutils, gcc from the linux distro are available, in addition to a set of rpm binaries.

So I guess install cygwin, gcc 3.3.3, rpm tools, and gnu make?

Thanks in advance!

Shompis

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os_type

os_type(3alleg4)						  Allegro manual						  os_type(3alleg4)

NAME

       os_type - Stores the detected type of the OS. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       extern int os_type;

DESCRIPTION

       Set by allegro_init() to one of the values:

	  OSTYPE_UNKNOWN    - unknown, or regular MSDOS
	  OSTYPE_WIN3	    - Windows 3.1 or earlier
	  OSTYPE_WIN95	    - Windows 95
	  OSTYPE_WIN98	    - Windows 98
	  OSTYPE_WINME	    - Windows ME
	  OSTYPE_WINNT	    - Windows NT
	  OSTYPE_WIN2000    - Windows 2000
	  OSTYPE_WINXP	    - Windows XP
	  OSTYPE_WIN2003    - Windows 2003
	  OSTYPE_WINVISTA   - Windows Vista
	  OSTYPE_OS2	    - OS/2
	  OSTYPE_WARP	    - OS/2 Warp 3
	  OSTYPE_DOSEMU     - Linux DOSEMU
	  OSTYPE_OPENDOS    - Caldera OpenDOS
	  OSTYPE_LINUX	    - Linux
	  OSTYPE_SUNOS	    - SunOS/Solaris
	  OSTYPE_FREEBSD    - FreeBSD
	  OSTYPE_NETBSD     - NetBSD
	  OSTYPE_IRIX	    - IRIX
	  OSTYPE_DARWIN     - Darwin
	  OSTYPE_QNX	    - QNX
	  OSTYPE_UNIX	    - Unknown Unix variant
	  OSTYPE_BEOS	    - BeOS
	  OSTYPE_MACOS	    - MacOS
	  OSTYPE_MACOSX     - MacOS X

SEE ALSO

       allegro_init(3alleg4), os_version(3alleg4), os_multitasking(3alleg4)

Allegro 							   version 4.4.2						  os_type(3alleg4)