On Wednesday 12 October 2011 15:38:47 Matt Turner wrote: > On Wed, Oct 12, 2011 at 3:13 PM, Mike Frysinger wrote: > > On Saturday 08 October 2011 11:07:49 Diego Elio Pettenò wrote: > >> Il giorno sab, 08/10/2011 alle 11.33 +0000, Sven Vermeulen ha scritto: > >> > - The fix_libtool_files.sh command is now part of the toolchain > >> > eclass, so > >> > > >> > doesn't need to be ran by users anymore > >> > >> Moreover, that should only be needed for very old installs: libstdc++.la > >> that caused the trouble in the first place hasn't been around for over > >> an year (maybe two? I lost count), and the auto-fix of .la files in > >> recent Portage versions make it even less necessary. > > > > well, that's not entirely accurate. like libtool, now that we've dropped > > libstdc++.la, the majority of issues have "gone away". but we still > > install .la files for the other (much more infrequently used) internal > > gcc libraries. > > > > although this might be something we want to address in gcc. i was fine > > with dropping the libstdc++.la even though it listed things in > > dependency_libs because the only correct way (imo) to link C++ code is > > with `g++`. using `gcc -lstdc++` is not supported. > > > > i think cases can be made for the other internal gcc libraries: > > - libgomp.la: build/link with -fopenmp, not -lgomp > > - libgfortran*.la: build/link with `gfortran`, not `gcc -lgfortran` > > - libgcj*.la: build/link with `gcj`, not `gcc -lgcj` > > - libobjc.la: use -lobjc to link, but dependency_libs='' > > - libffi.la: use -lffi to link, but dependency_libs='' > > - libmudflap.la: build/link with `gcc -fmudflap`, not `gcc -lmudflap` > > - libgij.la: build/link with `gij`, not `gcc -lgij` > > - libquadmath.la: only used by fortran, and dependency_libs='' > > gcc's Optimize Options page > (http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html) has an > example of linking C, C++, and FORTRAN code together, where it uses > g++ -lgfortran. Just thought I'd mention it.
hmm, unusual, but good point. their example breaks when linking statically as fortran (always?) needs -lm, and with newer versions, -lquadmath. not sure how to address that other than leaving libgfortran.la in place :(. -mike
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