* installing *source* package 'RBF' ... ** package 'RBF' successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: 'gcc.exe (GCC) 12.3.0' make[1]: Entering directory '/d/temp/RtmpEzg5wI/R.INSTALL112dc680d69e1/RBF/src' gcc -I"D:/RCompile/recent/R-4.3.3/include" -DNDEBUG -I"d:/rtools43/x86_64-w64-mingw32.static.posix/include" -pedantic -Wstrict-prototypes -O2 -Wall -mfpmath=sse -msse2 -mstackrealign -c RBF-fn.c -o RBF-fn.o RBF-fn.c: In function 'kernel_huber_lin': RBF-fn.c:256:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 256 | for(i=0; i