-----Original Message-----
From: [email protected]
> Is it possible to just specify *all* of the possible libraries that might
> be needed, skip the validation, and leave it to EU::MM to automatically
> remove the ones that don't exist ?
Didn't really give a very good account of this - crap post. Sorry, I'll try
to elaborate.
On Windows, we're relying on this code in F77.pm:
$F77config{MinGW}{GFortran}{Link} = sub {
# do stuff
return( "-L$dir -L/usr/lib -lgfortran -lquadmath -lm" );
};
Now, I can change the return to:
return( "-L$dir -L/usr/lib -lgfortran -lquadmath -lm -lrubbish" );
where "-lrubbish" is a non-existent and unlocatable library.
Having made that change, it makes no difference to the usability of
ExtUtils-F77. It still builds, tests and installs fine:
##########################################
C:\sisyphusion\ExtUtils-F77>perl -Mblib t/require.t
1..2
ExtUtils::F77: Version 1.19
Loaded ExtUtils::F77 version 1.19
Found compiler gfortran.exe
ExtUtils::F77: Using system=MSWin32 compiler=<undefined>
ExtUtils::F77: Unable to guess and/or validate system/compiler configuration
ExtUtils::F77: Will try system=Generic Compiler=GFortran
ExtUtils::F77:
Validating -Lc:/mingw/bin/../lib/gcc/mingw32/4.7.0 -L/usr/lib -lg
fortran -lquadmath -lm -lrubbish
ExtUtils::F77: Unable to find library -lrubbish
ExtUtils::F77: Well that didn't appear to validate. Well I will try it
anyway.
ExtUtils::F77: Compiler: gfortran
ExtUtils::F77: Cflags: -O
ok 1
ok 2
##########################################
When it comes to building PDL using this EU-F77 installation, Slatec and
Minuit still build fine.
Firstly, during the 'Makefile.PL' step I find:
##########################################
Writing Makefile for PDL::CallExt
ExtUtils::F77: Version 1.19
Loaded ExtUtils::F77 version 1.19
Found compiler gfortran.exe
ExtUtils::F77: Using system=MSWin32 compiler=<undefined>
ExtUtils::F77: Unable to guess and/or validate system/compiler configuration
ExtUtils::F77: Will try system=Generic Compiler=GFortran
ExtUtils::F77:
Validating -Lc:/mingw/bin/../lib/gcc/mingw32/4.7.0 -L/usr/lib -lg
fortran -lquadmath -lm -lrubbish
ExtUtils::F77: Unable to find library -lrubbish
ExtUtils::F77: Well that didn't appear to validate. Well I will try it
anyway.
ExtUtils::F77: Compiler: gfortran
ExtUtils::F77: Cflags: -O
(ExtUtils Version 1.19)
Compiling the test Fortran program...
Executing the test program...
Congratulations you seem to have a working f77!
Building PDL::Slatec. Turn off WITH_SLATEC if there are any problems
Warning (mostly harmless): No library found for -lrubbish
Generating a dmake-style Makefile
Writing Makefile for PDL::Slatec
##########################################
And further on:
##########################################
Writing Makefile for PDL::Transform
ExtUtils::F77: Using system=MSWin32 compiler=<undefined>
ExtUtils::F77: Unable to guess and/or validate system/compiler configuration
ExtUtils::F77: Will try system=Generic Compiler=GFortran
ExtUtils::F77:
Validating -Lc:/mingw/bin/../lib/gcc/mingw32/4.7.0 -L/usr/lib -lg
fortran -lquadmath -lm -lrubbish
ExtUtils::F77: Unable to find library -lrubbish
ExtUtils::F77: Well that didn't appear to validate. Well I will try it
anyway.
ExtUtils::F77: Compiler: gfortran
ExtUtils::F77: Cflags: -O
(ExtUtils Version 1.19)
Compiling the test Fortran program...
Executing the test program...
Congratulations you seem to have a working f77!
Building PDL::Minuit. Turn off WITH_MINUIT if there are any problems
Stand alone Minuit library will be built...
Warning (mostly harmless): No library found for -lrubbish
Generating a dmake-style Makefile
Writing Makefile for PDL::Minuit
##########################################
As you can see, EU-MM removes the link to the unfound librubbish library on
both occasions, thus avoiding what would otherwise be fatal errors.
And then PDL-2.014_01 builds and tests fine (including slatec and minuit).
So ... are you sure that linking to non-existent libraries is really an
issue ?
The removal of links to unlocatable libraries is a design feature of EU-MM,
and works on all systems afaik.
Cheers,
Rob
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