I suspect your problem is that, at least with the recent gnu compilers, the Fortran 'c_logical' maps to the C _Bool, not the C int.
-Bill On Wed, Feb 17, 2021 at 11:38 AM Paul Schmidt-Walter <paul.schmidt-wal...@posteo.de> wrote: > > Dear Team, > > My package 'LWFBrook90R' (https://github.com/pschmidtwalter/LWFBrook90R) > was recently released on CRAN, but there are additional LTO Issues > (https://www.stats.ox.ac.uk/pub/bdr/LTO/LWFBrook90R.out) with the > compiled code, that need to be fixed soon. > > I would like to reproduce the LTO warnings locally to see if possible > solutions fix them, but dont know how to build and check with LTO. I am > a newbie on Ubuntu 18.04 and hope to get help in this case. > > There is information provided on how to configure R to reproduce the > test (https://www.stats.ox.ac.uk/pub/bdr/LTO/README.txt), but I simply > don't know how to "build with configure --enable-lto" and I also can't > find the "config.site" file on my system to enable the respective > compiler flags (see below). > > Any help is appreciated! > > Paul > > --- > > LTO-Readme.txt: > > Compilation logs for CRAN packages using x86_64 Fedora 32 Linux > (currently using GCC 10.1)built with configure --enable-lto and > config.site: > > CFLAGS="-g -O2 -Wall -pedantic -mtune=native" > FFLAGS="-g -O2 -mtune=native -Wall -pedantic" > CXXFLAGS="-g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes > -Wno-deprecated-declarations -Wno-parentheses" > AR=gcc-ar > RANLIB=gcc-ranlib > > Look for [-Wlto-type-mismatch] warnings. In some cases these involve > Fortran CHARACTER arguments where the length is passed as a 'hidden' > argument at the end, giving mismatches such as > > sblas.f:3951:14: note: type ‘long int’ should match type ‘void’ > > To work around these, define USE_FC_LEN_T and include Rconfig.h > (perhaps via R.h) before including BLAS.h or Lapack.h or your own > C proptypes for Fortran functions. Then amend the actual calls to include > character length arguments: see the example of > src/library/stats/src/rWishart.c > > in the R sources. > > --- > > ______________________________________________ > R-package-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel