Re: g77 -mno-cygwin failed

Re: g77 -mno-cygwin failed

[Teun Burgers]

TX wrote:

> Hi All
> G77 in the latest GCC-3.3.3-1 doesn't work:
> 
> >g77 -mno-cygwin foo.f
> >g77: installation problem, cannot exec 'f771': No such file or
> directory
> 
> Can anyone help?

Compiling a Hello world fortran program with g77 -v reveals that

g77 -v -o hello hello.f

calls /usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/f771.exe. (OK)

g77 -v -mno-cygwin -o hello hello.f

calls f771.exe and can't find f771.exe along the path.
A problem with the specs file?

Teun

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Re: g77 -mno-cygwin failed

[Igor Pechtchanski]

On Thu, 25 Sep 2003, Teun Burgers wrote:

> TX wrote:
>
> > Hi All
> > G77 in the latest GCC-3.3.3-1 doesn't work:
> >
> > >g77 -mno-cygwin foo.f
> > >g77: installation problem, cannot exec 'f771': No such file or
> > directory
> >
> > Can anyone help?
>
> Compiling a Hello world fortran program with g77 -v reveals that
>
> g77 -v -o hello hello.f
>
> calls /usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/f771.exe. (OK)
>
> g77 -v -mno-cygwin -o hello hello.f
>
> calls f771.exe and can't find f771.exe along the path.
> A problem with the specs file?
>
> Teun

"g77 -mno-cygwin" will most likely call
/usr/lib/gcc-lib/i686-pc-mingw/3.3.1/f771.exe, which should be part of the
"gcc-mingw" package.  Unfortunately, "gcc-mingw" uses a weird packaging
scheme (a tarball inside a tarball), so you couldn't have used the package
search page to find that out.  Judging by the size of the tarball in the
latest "gcc-mingw-20030911-2" package (1.3M) vs. the one in 20020817-5
(2.1M), some files may be missing in the new version.  It's likely
f771.exe is one of them.  If you have the latest "gcc-mingw" installed,
"tar tf /etc/postinstall/gcc-mingw-3.3.1-20030804-1.tar | grep f77" should
confirm or deny my guess.
	Igor
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Re: g77 -mno-cygwin failed

[Roman Belenov]

Teun Burgers <burgers@ecn.nl> writes:

> g77 -v -mno-cygwin -o hello hello.f
>
> calls f771.exe and can't find f771.exe along the path.
> A problem with the specs file?

f771 is not included in gcc-mingw package, so I guess it's a problem
with distribution.

-- 
 							With regards, Roman.


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Re: g77 -mno-cygwin failed

[Gerrit P. Haase]

Roman schrieb:

> Teun Burgers <burgers@ecn.nl> writes:

>> g77 -v -mno-cygwin -o hello hello.f
>>
>> calls f771.exe and can't find f771.exe along the path.
>> A problem with the specs file?

> f771 is not included in gcc-mingw package, so I guess it's a problem
> with distribution.


Make some symlinks in the directory:
/usr/lib/gcc-lib/i686-pc-mingw/3.3.1/
to all the executables in this directory:
/usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/

as it was in 3.2-x:
$ ls -l /usr/lib/gcc-lib/i686-pc-mingw32/3.2
total 143
-rwxr-xr-x    1 gerrit   DomÀnen-    89490 Aug 17  2002 SYSCALLS.c.X*
lrwxrwxrwx    1 gerrit   DomÀnen-      144 Aug 28 12:05 cc1.exe -> ../../i686-pc-cygwin/3.2/cc1.exe
lrwxrwxrwx    1 gerrit   DomÀnen-      166 Aug 28 12:05 cc1obj.exe -> ../../i686-pc-cygwin/3.2/cc1obj.exe
lrwxrwxrwx    1 gerrit   DomÀnen-      152 Aug 28 12:05 cc1plus.exe -> ../../i686-pc-cygwin/3.2/cc1plus.exe
lrwxrwxrwx    1 gerrit   DomÀnen-      146 Aug 28 12:05 cpp0.exe -> ../../i686-pc-cygwin/3.2/cpp0.exe
lrwxrwxrwx    1 gerrit   DomÀnen-      150 Aug 28 12:05 crtbegin.o -> ../../i686-pc-cygwin/3.2/crtbegin.o
lrwxrwxrwx    1 gerrit   DomÀnen-      146 Aug 28 12:05 crtend.o -> ../../i686-pc-cygwin/3.2/crtend.o
lrwxrwxrwx    1 gerrit   DomÀnen-      146 Aug 28 12:05 f771.exe -> ../../i686-pc-cygwin/3.2/f771.exe
drwxrwxrwx+   3 gerrit   DomÀnen-     4096 Aug 28 12:05 include/
-rwxr-xr-x    1 gerrit   DomÀnen-    55372 Aug 17  2002 libgcc.a*
lrwxrwxrwx    1 gerrit   DomÀnen-      140 Aug 28 12:05 specs -> ../../i686-pc-cygwin/3.2/specs
lrwxrwxrwx    1 gerrit   DomÀnen-      154 Aug 28 12:05 tradcpp0.exe -> ../../i686-pc-cygwin/3.2/tradcpp0.exe


Gerrit
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Re: g77 -mno-cygwin failed

[Teun Burgers]

Igor Pechtchanski wrote:

> "g77 -mno-cygwin" will most likely call
> /usr/lib/gcc-lib/i686-pc-mingw/3.3.1/f771.exe, which should be part of the
> "gcc-mingw" package.  Unfortunately, "gcc-mingw" uses a weird packaging
> scheme (a tarball inside a tarball), so you couldn't have used the package
> search page to find that out.  Judging by the size of the tarball in the
> latest "gcc-mingw-20030911-2" package (1.3M) vs. the one in 20020817-5
> (2.1M), some files may be missing in the new version.

There is a softlink missing in /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1 and
hence missing in gcc-mingw-3.3.1-20030804.tar
Making this softlink from within this subdir fixes the problem:

ln -s ../../i686-pc-cygwin/3.3.1/f771.exe f771.exe

Teun

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Re: g77 -mno-cygwin failed

[Igor Pechtchanski]

On Thu, 25 Sep 2003, Teun Burgers wrote:

> Igor Pechtchanski wrote:
>
> > "g77 -mno-cygwin" will most likely call
> > /usr/lib/gcc-lib/i686-pc-mingw/3.3.1/f771.exe, which should be part of the
> > "gcc-mingw" package.  Unfortunately, "gcc-mingw" uses a weird packaging
> > scheme (a tarball inside a tarball), so you couldn't have used the package
> > search page to find that out.  Judging by the size of the tarball in the
> > latest "gcc-mingw-20030911-2" package (1.3M) vs. the one in 20020817-5
> > (2.1M), some files may be missing in the new version.
>
> There is a softlink missing in /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1 and
> hence missing in gcc-mingw-3.3.1-20030804.tar
> Making this softlink from within this subdir fixes the problem:
>
> ln -s ../../i686-pc-cygwin/3.3.1/f771.exe f771.exe
>
> Teun

No, no, no!  This will produce an executable linked with Cygwin (as can be
verified by running "cygcheck" on it).  You don't want that -- you want
MinGW executables to be regular Windows programs, using MSVCRT.DLL as
their C/Fortran runtime.
	Igor
-- 
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"I have since come to realize that being between your mentor and his route
to the bathroom is a major career booster."  -- Patrick Naughton

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Re: g77 -mno-cygwin failed

[Gerrit P. Haase]

Igor Pechtchanski wrote:
>> There is a softlink missing in
>> /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1 and
>> hence missing in gcc-mingw-3.3.1-20030804.tar
>> Making this softlink from within this subdir fixes the problem:

>> ln -s ../../i686-pc-cygwin/3.3.1/f771.exe f771.exe

> No, no, no!  This will produce an executable linked with Cygwin (as can be
> verified by running "cygcheck" on it).  You don't want that -- you want
> MinGW executables to be regular Windows programs, using MSVCRT.DLL as
> their C/Fortran runtime.

Why?  What are the -mno-cygwin flags good for then?  This was also the
way it was in gcc-3.2-x and it worked IIRC.


Gerrit
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Re: g77 -mno-cygwin failed

[Igor Pechtchanski]

On Thu, 25 Sep 2003, Igor Pechtchanski wrote:

> On Thu, 25 Sep 2003, Teun Burgers wrote:
>
> > Igor Pechtchanski wrote:
> >
> > > "g77 -mno-cygwin" will most likely call
> > > /usr/lib/gcc-lib/i686-pc-mingw/3.3.1/f771.exe, which should be part of the
> > > "gcc-mingw" package.  Unfortunately, "gcc-mingw" uses a weird packaging
> > > scheme (a tarball inside a tarball), so you couldn't have used the package
> > > search page to find that out.  Judging by the size of the tarball in the
> > > latest "gcc-mingw-20030911-2" package (1.3M) vs. the one in 20020817-5
> > > (2.1M), some files may be missing in the new version.
> >
> > There is a softlink missing in /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1 and
> > hence missing in gcc-mingw-3.3.1-20030804.tar
> > Making this softlink from within this subdir fixes the problem:
> >
> > ln -s ../../i686-pc-cygwin/3.3.1/f771.exe f771.exe
> >
> > Teun
>
> No, no, no!  This will produce an executable linked with Cygwin (as can be
> verified by running "cygcheck" on it).  You don't want that -- you want
> MinGW executables to be regular Windows programs, using MSVCRT.DLL as
> their C/Fortran runtime.
>         Igor

Oops!  Apologies -- you were absolutely correct.  It's the "libgcc.a" that
needs to be Cygwin-independent; the executables are symlinked.

Note to self: verify the data before sending it to the list.  I usually
do.  Honest! :-D
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

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to the bathroom is a major career booster."  -- Patrick Naughton

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Re: g77 -mno-cygwin failed

[Teun Burgers]

Igor Pechtchanski wrote:

> > There is a softlink missing in /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1 and
> > hence missing in gcc-mingw-3.3.1-20030804.tar
> > Making this softlink from within this subdir fixes the problem:
> >
> > ln -s ../../i686-pc-cygwin/3.3.1/f771.exe f771.exe
> >
> > Teun
> 
> No, no, no!  This will produce an executable linked with Cygwin (as can be
> verified by running "cygcheck" on it).

Nope, the softlink *does* result in a correct dependency on msvcrt.dll (as
verified by cygcheck).

cc1.exe and cc1plus.exe in /usr/lib/gcc-lib/i686-pc-mingw32/3.3.1
are already softlinks to the executables in /usr/lib/gcc-lib/i686-pc-cygwin/3.3.1
created by unpacking gcc-mingw-3.3.1-20030804.tar.

Teun

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g77 -mno-cygwin failed

[TX]

Hi All
G77 in the latest GCC-3.3.3-1 doesn't work:

>g77 -mno-cygwin foo.f
>g77: installation problem, cannot exec 'f771': No such file or
directory

Can anyone help?


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