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Date: Thu, 8 Apr 2010 17:16:01 +0200
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Subject: Re: "GCC is not found" and "compiler cannot create executables"  	errors
From: david sastre <d DOT sastre DOT medina AT gmail DOT com>
To: cygwin <cygwin AT cygwin DOT com>
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Answers to different posts:

$ which cc
/usr/bin/cc
$ cc -v
Usando especificaciones internas.
Objetivo: i686-pc-cygwin
Configurado con:
/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4/configure
--srcdir=3D/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4
--prefix=3D/usr --exec-prefix=3D/usr --bindir=3D/usr/bin --sbindir=3D/usr/s=
bin
--libexecdir=3D/usr/lib --datadir=3D/usr/share --localstatedir=3D/var
--sysconfdir=3D/etc --infodir=3D/usr/share/info --mandir=3D/usr/share/man
--datadir=3D/usr/share --infodir=3D/usr/share/info --mandir=3D/usr/share/man
-v --with-gmp=3D/usr --with-mpfr=3D/usr --enable-bootstrap
--enable-version-specific-runtime-libs --with-slibdir=3D/usr/bin
--libexecdir=3D/usr/lib --enable-static --enable-shared
--enable-shared-libgcc --disable-__cxa_atexit --with-gnu-ld
--with-gnu-as --with-dwarf2 --disable-sjlj-exceptions
--enable-languages=3Dada,c,c++,fortran,java,objc,obj-c++
--disable-symvers --enable-libjava --program-suffix=3D-4
--enable-libgomp --enable-libssp --enable-libada
--enable-threads=3Dposix --with-arch=3Di686 --with-tune=3Dgeneric
--enable-libgcj-sublibs CC=3Dgcc-4 CXX=3Dg++-4 CC_FOR_TARGET=3Dgcc-4
CXX_FOR_TARGET=3Dg++-4 GNATMAKE_FOR_TARGET=3Dgnatmake
GNATBIND_FOR_TARGET=3Dgnatbind AS=3D/opt/gcc-tools/bin/as.exe
AS_FOR_TARGET=3D/opt/gcc-tools/bin/as.exe LD=3D/opt/gcc-tools/bin/ld.exe
LD_FOR_TARGET=3D/opt/gcc-tools/bin/ld.exe
--with-ecj-jar=3D/usr/share/java/ecj.jar
Modelo de hilos: posix
gcc versi=C3=B3n 4.3.4 20090804 (release) 1 (GCC)

That flags come from:
$ cat /etc/make.conf
export CHOST=3D"i686-pc-cygwin"
export CFLAGS=3D"-march=3Dprescott -O2 -pipe -fomit-frame-pointer"
export CXXFLAGS=3D"${CFLAGS}"

That is a file I source before calling ./configure to optimize the
compilation process for my cpu model.
$ cat /proc/cpuinfo
vendor_id       : GenuineIntel
cpu family      : 6
model           : 15
model name      : Intel(R) Core(TM)2 Duo CPU     T7100  @ 1.80GHz


Regards.

2010/4/8, david sastre <d DOT sastre DOT medina AT gmail DOT com>:
> Sorry for the private mail, didn't mean to do that.
> Resend to the list.
>
> ---------- Forwarded message ----------
> From: david sastre <d DOT sastre DOT medina AT gmail DOT com>
> Date: Thu, 8 Apr 2010 17:02:27 +0200
> Subject: Re: "GCC is not found" and "compiler cannot create executables"
> errors
> To: Eric Blake <eblake AT redhat DOT com>
>
> 2010/4/8, Eric Blake wrote:
>> On 04/08/2010 08:36 AM, david sastre wrote:
>>>
>>> Also, direct gcc invocation exits silenlty:
>>> $ gcc hola.mundo.c
>>
>> Generally the sign of a missing .dll.  What does 'cygcheck gcc' say?
>
> $ cygcheck gcc
> Found: C:\cygwin\bin\gcc.exe
> Found: C:\cygwin\bin\gcc.exe
>  -> C:\cygwin\etc\alternatives\gcc
>  -> C:\cygwin\bin\gcc-4.exe
> C:\cygwin\bin\gcc-4.exe
>   C:\cygwin\bin\cyggcc_s-1.dll
>     C:\cygwin\bin\cygwin1.dll
>       C:\WINDOWS\system32\ADVAPI32.DLL
>         C:\WINDOWS\system32\KERNEL32.dll
>           C:\WINDOWS\system32\ntdll.dll
>         C:\WINDOWS\system32\RPCRT4.dll
>           C:\WINDOWS\system32\Secur32.dll
>
>> Also, following these directions:
>>
>>> Problem reports:       http://cygwin.com/problems.html
>>
>> and attaching a text file of your 'cygcheck -svr' output might make the
>> solution obvious.
>
> Attached. Sorry for that huge file but, as stated in the link you provide=
d:
>
> " Please do not compress or otherwise encode the output (of cygcheck -svr=
)"
>
> Regards.
>

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