Found the following significant warnings:
  c_functions.c:279:81: warning: format specifies type 'int' but the argument has type 'long long' [-Wformat]
  c_functions.c:288:86: warning: format specifies type 'int' but the argument has type 'long long' [-Wformat]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/SFSI.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 17.0.6 (3)’
Package has ‘vignettes’ subdirectory but apparently no vignettes.
Perhaps the ‘VignetteBuilder’ information is missing from the
DESCRIPTION file?
Found the following significant warnings:
  c_functions.c:279:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  c_functions.c:288:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/SFSI.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-13 (Debian 13.2.0-9) 13.2.0’
Package has ‘vignettes’ subdirectory but apparently no vignettes.
Perhaps the ‘VignetteBuilder’ information is missing from the
DESCRIPTION file?
Found the following significant warnings:
  c_functions.c:279:81: warning: format specifies type 'int' but the argument has type 'long long' [-Wformat]
  c_functions.c:288:86: warning: format specifies type 'int' but the argument has type 'long long' [-Wformat]
See ‘/data/gannet/ripley/R/packages/tests-clang/SFSI.Rcheck/00install.out’ for details.
* used C compiler: ‘clang version 17.0.6’
Found the following significant warnings:
  c_functions.c:279:32: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  c_functions.c:288:35: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
See ‘/data/gannet/ripley/R/packages/tests-devel/SFSI.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-13 (GCC) 13.2.0’
Found the following significant warnings:
  c_functions.c:279:32: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  c_functions.c:288:35: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
See 'd:/Rcompile/CRANpkg/local/4.4/SFSI.Rcheck/00install.out' for details.
* used C compiler: 'gcc.exe (GCC) 12.3.0'