Sean Sill | 7 Dec 19:23 2014
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libstdc++-6.dll seg fault.

Hello,

  I'm trying to build Open Lighting Architecture for mingw on Windows 7 64bit.

It depends on google protobufs, and I had a problem similar to this:

So I removed the libstdc++.dll.a from /mingw/bin/ and it solved it.

My main application builds fine but when I run make check most if not all tests fail with the same pop up. "Application failed to start 00xc0000005" When I look with gdb I get this backtrace

http://pastebin.com/JWKM17dP

and here's a look at make check output


None of the solutions offered in the stack overflow fix the problem. It seems to be run time. I can check the path and /mingw/bin is the first place it should look for libstdc++.dll but it seems to come from c:\windows\SysWOW64 first

Any help would be greatly appreciated.

Thanks,
Sean Sill
Electronic Systems Consultant/Contractor
Electrical and Computer Engineering Alumni from
Missouri University of Science and Technology(Missouri S&T)
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Paric Pat | 5 Dec 18:57 2014
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just impossible to settup

Dear users

I tried to settup mingw from the automatic settup installer, but it just DOEST not work!!!!

It is just IMPOSSIBLE to download any file from the installer "mingw-get-setup.exd" !!!   I am on windows 7 64bits. Whats going on???

Please solve this problem out..

Cheers,

Patrice.


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And Notachance | 4 Dec 21:13 2014
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force recompile all?

I am working on a project and I want mingw to recompile EVERYTHING not just changed .c and .h files.

Is there a command line switch that will force a complete recompile?

And/Or is there a web address for command line switches.

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Graeme Paterson | 3 Dec 23:38 2014
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bug? in gcc 4.8.1 complex acos

Works in Ubuntu, not in mingw. Used to works in earlier mingw but I've 
upgraded, have lost the old version.

#include <stdio.h>
#include <complex.h>

int main() {
     double complex A;
     double complex a;
     A = 1.1;
     a = cacos( A ); // fails id abs(A) > 1.0
     printf("%.12g %.12g\n", creal(a), cimag(a) ); // prints '-1.#IND 0' 
wrong
     a = cacos( 1.1 ); // calculated at compile time, OK
     printf("%.12g %.12g\n", creal(a), cimag(a) ); // prints '0 
-0.443568254385' correct
     return 0;
}

in cmd prompt:
 >gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.8.1/lto-wrapper.exe
Target: mingw32
Configured with: ../gcc-4.8.1/configure --prefix=/mingw --host=mingw32 
--build=mingw32 --without-pic --enable-shared --e
nable-static --with-gnu-ld --enable-lto --enable-libssp 
--disable-multilib --enable-languages=c,c++,fortran,objc,obj-c++
,ada --disable-sjlj-exceptions --with-dwarf2 --disable-win32-registry 
--enable-libstdcxx-debug --enable-version-specific
-runtime-libs --with-gmp=/usr/src/pkg/gmp-5.1.2-1-mingw32-src/bld 
--with-mpc=/usr/src/pkg/mpc-1.0.1-1-mingw32-src/bld --
with-mpfr= --with-system-zlib --with-gnu-as --enable-decimal-float=yes 
--enable-libgomp --enable-threads --with-libiconv
-prefix=/mingw32 --with-libintl-prefix=/mingw --disable-bootstrap 
LDFLAGS=-s CFLAGS=-D_USE_32BIT_TIME_T
Thread model: win32
gcc version 4.8.1 (GCC)

 >ld -v
GNU ld (GNU Binutils) 2.24

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Martin Reekie | 1 Dec 11:55 2014
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Problem with installing running current MinGW on XP

Folks,

Apologies if I'm being stupid here, but I've hit a problem installing 
MinGW on two Windows XP machines.  I installed on a Windows 7 PC and all 
was well.  I then went through the same download and installation 
process on two WIndows XP machines, and the installation went fine, but 
on trying to compile I always get the message:
"The procedure entry point libiconv could not be located in the dynamic 
link library libiconv-2.dll".

I believe I have set the path correctly with C:\MinGW\bin near the front.

Any help would be much appreciated.

Martin

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And Notachance | 30 Nov 16:48 2014
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help with mingw force rebuild all?

Hi I might have missed the question posted on the forums but I am wondering...

I am building slashem, and I just rebuilt the current version 11/23/2014 and when I check the version
history it says 05/05/2014.

Now this isn't a slashem question.

The version I just compiled is VERY different than my last one, and it is confirmed that the changes I made
have been implemented.

I was just wondering is there a "rebuild all" command line switch that I can use that will start from the
beginning and totally rebuild everything?

And not just rebuild changed .c or .h files.

and if there is a list of command line switches is there a web page link to them?

I either suck at searching or can't find it.

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Tom Szczesny | 28 Nov 03:51 2014
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intltool

Hi -

I use the mingw-builds project with msys
I attempted to install the GNU MDK (MIX development kit)
the "configure" command fails with the message 

configure: error: your intltool is too old.  You need intltool 0.37 or later.

What version of intltool is currently packaged with the mingw-builds/msys package?
Is it possible for me to update the to intltool 0.37 (or later).

Tom
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draymond | 26 Nov 20:21 2014
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Re: rsync fails with files over 2GB

> Not a compiler problem. A 32-bit gcc can use 64-bit integers.
>
> The problem is that MSYS defines off_t as a 32-bit integer [1].  
> Because off_t has a sign bit, the maximum file size is 2GB - 1.  
> There is no way to fix this without breaking compatibility in MSYS:  
> one who changes off_t to 64-bit would also need to recompile all  
> programs that use MSYS.

> I can rsync a 2.2G file with MSYS2  
> <http://sourceforge.net/projects/msys2/>, so MSYS2 must have fixed  
> this.
> --George Koehler
>
> [1] See 'typedef long off_t;' in
> http://sourceforge.net/p/mingw/msys-runtime/ci/master/tree/newlib/libc/include/sys/types.h

It has been a while since this thread was started.  Has there been any  
effort to improve large file support in MSYS?  Also, I took a look at  
MSYS2 and I couldn't find rsync.exe.  George, was there an additional  
package you installed to get that binary?

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nam ake | 16 Nov 15:58 2014
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wcswidth

I've been searched in wchar.h this function.
yet I can't find where it is located.

can anyone point me where wcswidth located?

thanx
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chivin90 | 11 Nov 23:56 2014
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Error compiling complex.h with c++ (GCC 4.8.1)

I wrote code for complex numbers using include file <Mingw /include
/complex.h> . When I compile the file

>> gcc test.c -o test.exe
works correctly. However, when I compile another file <fft.c> where by
>> c ++ -o fft.c fft.exe
I have the following error:

fft.c:420:23: error: ISO c++ forbids declaration of declaration of 'make_cv'
with no type [-fpermissive] 
   complex* make_cv(int n){

fft.c: In function '__complex__' int* make_cv(int)': 
ftt.c:421:20:error: ISO C++ forbids declaration of 'type name' with no type
[-fpermissive]
   return (complex*)malloc(sizeof(complex)*n);

fft.c: 16:17: error: ISO C++ forbids declaration of 'type name'  with no
type[-fpermissive]
   #define complex _Complex

fft.c:421:38: note: in expansion of macro 'complex'
   return (complex*) malloc(sizeof(complex)*n);

The source code of the function is as follows
#ifndef complex
#define complex _Complex
#endif
complex* make_cv(int n) {
    return (complex*) malloc(sizeof (complex) * n);
}

I am using c++ (GCC 4.8.1).

Chivin

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Earnie Boyd | 10 Nov 22:14 2014
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Fwd: 32+64-bit[+arm?] target version of MSYS

---------- Forwarded message ----------
From:  <jmichae3@...>
Date: Sun, Nov 2, 2014 at 3:16 AM
Subject: 32+64-bit[+arm?] target version of MSYS
To: earnie@...

do I need to add a target for ARM? I hear this is in process.
it would not be hard to add another target, there are few changes.
basically it's a copy of the same MSYS folder, but reoriented towards
a 64-bit target compiler, and another towards a 32-bit compiler, ...

I noticed you wrote the postinstall script. may I modify it somewhat?

http://www.mingw.org/msysdvlpr.shmtl

the above page in the /msys/postinstall/pi.sh is now a 404 error.

I needed to have it do several extra things:
- if no /etc/fstab exists, show and offer to copy /etc/fstab.sample to
/etc/fstab. it has some sample stuff for wxwidgets target dirs for 32
and 64-bit, boost 32 and 64-bit, etc, and 32 and 64-bit target
compiler and 32 and 64-bit host combinations depending on your
platform and compiler selection.

if no ~/.profile exists, offer to copy my helpful new
/postinstall/sample.profile to ~/.profile

these are the changes to the readme I propose to append:

11/1/2014 jmichae3
profile, /etc/fstab.sample Reworked and retargeted for 32+64-bit
compilation by using separate installs by jmichae3

The way to get started is by copying
MSYS-20111123-64\msys\etc\fstab.sample to MSYS-20111123-64\msys\etc\fstab
and then editing fstab, you can use any text editor you like.
then, edit MSYS-20111123-64\msys\etc\profile

a home .profile (/postinstall/sample.profile) will be offered to
copy to ~/.profile (the home dir). the /postinstall/pi.sh script has been
modified do do this.
if you wish to do a manual copy or merge in the changes, winmerge
works pretty well.
http://sf.net/projects/winmerge

compiler selection of 32 (32h) or 64-bit (64h) host is performed by
renaming the text /mingw64h64t in ~/.profile or commenting/uncommenting
and you can edit it with your favorite editor or vim.
( MSYS-20111123-64\msys\home\%USERNAME%.profile )
and you can edit it with your favorite editor or vim.
Example: the above is a 64-bit host (64h). to use a 32-bit host compiler,
change /mingw64h64t to /mingw32h64t and you won't have to change
/etc/fstab and ~/.profile unless you install a new compiler version.
in ~/.profile you may or may not have to change compilertype, but you
probably will have to change
compilerversion

you can find vim command help at
http://www.cs.cornell.edu/courses/cs312/2006fa/software/quick-vim.pdf
you will find that notepad doesn't handle *nix line endings well.

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Gmane