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From: Pieter <pieter.thysebaert@gmail.com>
Newsgroups: comp.lang.ada
Subject: GCC 4.4.1 linux to mingw32 cross compiler gnat
Date: Fri, 14 Aug 2009 06:24:04 -0700 (PDT)
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Date: 2009-08-14T06:24:04-07:00
List-Id: <comp.lang.ada>

Hello All,


I'm struggling in getting my GCC 4.4.1 x86_64-pc-linux-gnu to i686-pc-
mingw32 cross-compiler to work with Ada;

First, I successfully installed and bootstrapped binutils, mingw-
runtime and w32api and put those in my PATH

I've compiled pristine FSF gcc sources with --enable-threads --enable-
languages=c,c++,fortran,java,ada --enable-libada --enable-libgcj --
enable-libgomp --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu
--target=i686-pc-mingw32 --prefix=/usr/local/cross-tools/i686-pc-
mingw32

After installing, i tired test.adb:

with Ada.Text_IO;
use Ada.Text_IO;

Procedure test is
Begin
  Put_Line("Hello world");
End test;


i686-pc-mingw32-gnatmake gives me:
i686-pc-mingw32-gcc -c test.adb
i686-pc-mingw32-gnatmake: "test.ali" incompatible ALI file, please
recompile
i686-pc-mingw32-gnatmake: "test.adb" compilation error

test.ali looks like this (first few lines)

V "GNAT Lib v4.4"
M P W=b
P SS
R
nnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

U test%b                test.adb                00d000d0 NE OO SU IL
KM
W ada%s                 ada.ads                 ada.ali
W ada.text_io%s         a-textio.adb            a-textio.ali

D ada.ads               20070406091342 9c7dd3ea
D a-except.ads          20090409232307 b54b55de


For comparison, the contents of the installed text_io.ali in the i686-
pc-mingw32 dirs is
i
V "GNAT Lib v4.4"
A -gnatwa
A -O2
A -W
A -Wall
A -g
A -gnatp
A -gnatg
A -mtune=generic
P SS
R
nnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnn

U text_io%s		text_io.ads		82bd3c91 NE OL
W ada%s			ada.ads			ada.ali
W ada.text_io%s		a-textio.adb		a-textio.ali

D ada.ads		20070406091342 9c7dd3ea
D a-except.ads		20090409232307 b54b55de
D a-finali.ads		20090409232307 9eaace


I'll admit that, foolishly, I have compiled this cross-gcc 4.4.1 using
native gcc 4.3.1 (not 4.4.1) while the official manual recommends
compiling native same version first.

Would that be the reason for this incompatbility ? (although from the
ali it looks like both have the 4.4 version so it doesn't look like a
wrongly-picked compiler to me)

I'm asking because I think I've read somewhere (possibly here) that
someone got this exact setup (gcc 4.4.1 targeting mingw32 to work for
ada)


Anyone tried this and has an idea?

Thanks,
Pieter