[f2py] Compiling/linking the Fortran source files manually

[Pearu Peterson]

On 04/26/2011 09:31 AM, Ben Forbes wrote:
> When I try that I get an error:
>
> numpy.distutils.fcompiler.CompilerNotFound

What is the output of the following command:

f2py -c --help-fcompiler

Pearu

> On Tue, Apr 26, 2011 at 4:07 PM, Pearu Peterson
> <pearu.peterson at gmail.com>  wrote:
>>
>>
>> On 04/26/2011 06:09 AM, Ben Forbes wrote:
>>> On Mon, Apr 25, 2011 at 5:34 PM, Ben Forbes<bdforbes at gmail.com>    wrote:
>>>> I'm having trouble getting f2py (from Enthought 7.0.2 64-bit) to play
>>>> nicely with my compiler (Intel Visual Fortran 11 build 067). I am
>>>> running Windows 7 64-bit. My source file is just a hello world
>>>> subroutine, and I am running "f2py -c helloworld.f90".
>>>
>>> I've made some progress on this:
>>> - I use "f2py helloworld.f90" to get helloworldmodule.c.
>>> - I copy over fortranobject.c and fortranobject.h.
>>> - I manually compile the C files using mingw 64-bit to get .o files.
>>
>> Btw, have you tried
>>
>> f2py -c -m foo helloworld.f90 --compiler=mingw32 --fcompiler=intelem
>>
>> Pearu
>>
>>> - I manually compile helloworld.f90 to .obj.
>>> - Now I to use lib.exe (from Visual C) to link everything together.
>>> - I rename the resultant .lib to helloworld.pyd.
>>>
>>> The problem I'm currently getting is that when I try to "import
>>> helloworld", it tells me:
>>>
>>> ImportError: DLL load failed: %1 is not a valid Win32 application.
>>>
>>> It appears I need a DLL with an entry point. How would I achieve this?
>>>
>>> Here are my commands for reference:
>>>
>>> C:\MinGW_64\bin\x86_64-w64-mingw32-gcc.exe -g -DDEBUG -DMS_WIN64
>>> -mno-cygwin -O0 -Wall -Wstrict-prototypes
>>> -IC:\Python27\lib\site-packages\numpy\core\include
>>> -IC:\Python27\include -IC:\Python27\PC -c fortranobject.c -o
>>> fortranobject.o
>>>
>>> C:\MinGW_64\bin\x86_64-w64-mingw32-gcc.exe -g -DDEBUG -DMS_WIN64
>>> -mno-cygwin -O0 -Wall -Wstrict-prototypes
>>> -IC:\Python27\lib\site-packages\numpy\core\include
>>> -IC:\Python27\include -IC:\Python27\PC -c helloworldmodule.c -o
>>> helloworldmodule.o
>>>
>>> "C:\Program Files (x86)\Intel\Compiler\11.1\067\bin\intel64\ifort.exe"
>>> /MT /c helloworld.f90
>>>
>>> "C:\Program Files (x86)\Microsoft Visual Studio
>>> 9.0\VC\Bin\x86_amd64\lib.exe" fortranobject.o helloworldmodule.o
>>> helloworld.obj c:\Python27\libs\python27.lib /LIBPATH:"C:\Program
>>> Files (x86)\Intel\Compiler\11.1\067\lib\ia32" /LIBPATH:"C:\Program
>>> Files (x86)\Microsoft Visual Studio 9.0\VC\Lib" /LIBPATH:"C:\Program
>>> Files (x86)\Microsoft Visual Studio 9.0\VC\PlatformSDK\Lib"
>>>
>>>
>>>
>>>> The first
>>>> apparent errors are when ifort is called:
>>>>
>>>> ifort: command line warning #10006: ignoring unknown option '/shared'
>>>> ifort: command line warning #10006: ignoring unknown option '/shared'
>>>> ifort: command line warning #10161: unrecognized source type
>>>> 'c:\users\bdforbes\appdata\local\temp\tmpu
>>>> pntzq\Release\users\bdforbes\appdata\local\temp\tmpupntzq\src.win-amd64-2.7\untitledmodule.o';
>>>> object f
>>>> ile assumed
>>>> ifort: command line warning #10161: unrecognized source type
>>>> 'c:\users\bdforbes\appdata\local\temp\tmpu
>>>> pntzq\Release\users\bdforbes\appdata\local\temp\tmpupntzq\src.win-amd64-2.7\fortranobject.o';
>>>> object fi
>>>> le assumed
>>>> ifort: command line warning #10161: unrecognized source type
>>>> 'c:\users\bdforbes\appdata\local\temp\tmpu
>>>> pntzq\Release\helloworld.o'; object file assumed
>>>> ifort: command line warning #10006: ignoring unknown option '/LC:\Python27\libs'
>>>> ifort: command line warning #10006: ignoring unknown option
>>>> '/LC:\Python27\PCbuild\amd64'
>>>> ifort: command line warning #10006: ignoring unknown option '/lpython27'
>>>> ifort: command line warning #10006: ignoring unknown option '/OU'
>>>> ifort: command line warning #10006: ignoring unknown option '/OT'
>>>> ifort: command line warning #10155: ignoring option '/optimize';
>>>> argument required
>>>> ifort: command line warning #10006: ignoring unknown option '/O.'
>>>> ifort: command line warning #10006: ignoring unknown option '/O\'
>>>> ifort: command line warning #10006: ignoring unknown option '/Ou'
>>>> ifort: command line warning #10006: ignoring unknown option '/On'
>>>> ifort: command line warning #10006: ignoring unknown option '/Ol'
>>>> ifort: command line warning #10006: ignoring unknown option '/Oe'
>>>> ifort: command line warning #10006: ignoring unknown option '/O.'
>>>> ifort: command line remark #10010: option '/Op' is deprecated and will
>>>> be removed in a future release.
>>>> See '/help deprecated'
>>>>
>>>> Is it possible for me to provide f2py with a pre-compiled object file
>>>> or static library? I know how to produce .obj and .lib, not sure how
>>>> to turn those into .o or .a or .so.
>>>>
>>>> Thanks for your help.
>>>>
>>>>
>>>> --
>>>> Benjamin D. Forbes
>>>> School of Physics
>>>> The University of Melbourne
>>>> Parkville, VIC 3010, Australia
>>>>
>>>
>>>
>>>
>>
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