Sorry. The file extension was the solution: $ mv c c.c $ gcc c.c $ ./a.out 4096
Feb 10, 2019, 10:28 AM by zna...@tutanota.com: > Installation of gcc-toolchain did not help. > > $ guix package -I |grep gcc > gcc-toolchain 8.2.0 out > /gnu/store/xwk99qi92pm3zqd95mvjx4mkdmg8plpk-gcc-toolchain-8.2.0 > > $ gcc c > c: file not recognized: file format not recognized > collect2: error: ld returned 1 exit status > > $ cat c > #include <sys/stat.h> > #include <stdio.h> > > int main(void) > { > struct stat stats; > > if (!stat("/", &stats)) > { > printf("%u\n", stats.st_blksize); > } > } > > > > Feb 9, 2019, 2:35 PM by > rek...@elephly.net <mailto:rek...@elephly.net>> : > >> >> zna...@tutanota.com <mailto:zna...@tutanota.com>>> writes: >> >>> Hi! I compile this >>> >>> https://stackoverflow.com/questions/6161823/dd-how-to-calculate-optimal-blocksize >>> >>> <https://stackoverflow.com/questions/6161823/dd-how-to-calculate-optimal-blocksize>>>> >>> <>>> >>> https://stackoverflow.com/questions/6161823/dd-how-to-calculate-optimal-blocksize >>> >>> <https://stackoverflow.com/questions/6161823/dd-how-to-calculate-optimal-blocksize>>>> >>> > >>> >>> and get this: >>> >>> $ gcc c.c >>> collect2: fatal error: cannot find 'ld' >>> compilation terminated. >>> >>> $ whereis ld >>> ld: >>> >>> $ gcc --version >>> gcc (GCC) 8.2.0 >>> >>> How to solve this? >>> >> >> I’m assuming that you installed the “gcc” package. Don’t do that. >> Install “gcc-toolchain” instead. >> >> guix package -r gcc -i gcc-toolchain >> >> -- >> Ricardo >> > >