[petsc-dev] [buildsystem] fortranlib-autodetection

[Satish Balay]

right now - you can do this with:

--with-clib-autodetect=0 --with-fortranlib-autodetect=0 --with-cxxlib-autodetect=0 LIBS="-Bstatic -lfoo -Bdynamic"

or whatever the correct interlanguage library interoperability list
is..

Satish


On Mon, 11 Apr 2011, Chen Shen wrote:

> Hi all,
> 
> In config/compilers: checkFortranLibraries(), we run the fortran linker with
> -v options, and detect the list of fortran libraries to be linked. I can see
> that -L -l and -rpath options are parsed, and finally added to the
> PCC_LINKER_LIBS macro.
> 
> The default behavior of ifort/icc is to link to the static version of the
> following libs: imf, svml, ifport, ifcore, etc, so ifort -v will output the
> -Bstatic option for these libraries.
> 
> However, -Bstatic and -Bdynamic options are ignored in
> checkFortranLibraries(). Because -Bdynamic is the default for GCC/ICC, the
> dynamic library will be linked to the final application program. It is
> therefore impossible to link to the static version of intel libraries.
> 
> Currently I ignore PCC_LINKER_LIBS and do my own detection. Fortunately I am
> dealing with fewer systems/compilers, and a dirty script sufficed.
> But I guess it's best to detect -Bstatic/-Bdynamic
> in checkFortranLibraries(). The same comments apply to clib-autodetection.
> Do you think this is the way to go? Thanks!
> 
> 
> Best regards,
> Shen Chen
>