Building recutils on core-updates fails like this: ------ libtool: compile: gcc -DHAVE_CONFIG_H -I. -I../src -g -O2 -MT fseterr.lo -MD -MP -MF .deps/fseterr.Tpo -c fseterr.c -fPIC -DPIC -o .libs/fseterr.o fseterr.c: In function 'fseterr': fseterr.c:77:3: error: #error "Please port gnulib fseterr.c to your platform! Look at the definitions of ferror and clearerr on your system, then report this to bug-gnulib." #error "Please port gnulib fseterr.c to your platform! Look at the definitions of ferror and clearerr on your system, then report this to bug-gnulib." ^ make[3]: *** [Makefile:1954: fseterr.lo] Error 1 make[3]: *** Waiting for unfinished jobs.... make[3]: Leaving directory '/tmp/guix-build-recutils-1.7.drv-0/recutils-1.7/lib' make[2]: *** [Makefile:1978: all-recursive] Error 1 make[2]: Leaving directory '/tmp/guix-build-recutils-1.7.drv-0/recutils-1.7/lib' make[1]: *** [Makefile:1711: all] Error 2 make[1]: Leaving directory '/tmp/guix-build-recutils-1.7.drv-0/recutils-1.7/lib' make: *** [Makefile:1553: all-recursive] Error 1 Backtrace: 4 (primitive-load "/gnu/store/90i6lvh1fnd65dihfmsaqnppfi5?") In ice-9/eval.scm: 191:35 3 (_ _) In srfi/srfi-1.scm: 863:16 2 (every1 # ?) In /gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/gnu-build-system.scm: 799:28 1 (_ _) In /gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/utils.scm: 616:6 0 (invoke _ . _) /gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/utils.scm:616:6: In procedure invoke: Throw to key `srfi-34' with args `(#)'. builder for `/gnu/store/57jzkxnw545jkckn856pmbkhz2xa7q87-recutils-1.7.drv' failed with exit code 1 ------