Ok so it built the second time I tried, so maybe it was just gremlins in my computer, but im at least documenting this here.
gcc ibm1004.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -Wstrict-prototypes -Wold-style-definition -fno-math-errno -fPIC -I../include -I/tmp/guix-build-glibc-2.28.drv-0/build/iconvdata -I/tmp/guix-build-glibc-2.28.drv-0/build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include-fixed -isystem /gnu/store/3c9a43ifhbjm8lsc1s183y8a8874fz01-linux-libre-headers-4.14.67/include -D_LIBC_REENTRANT -include /tmp/guix-build-glibc-2.28.drv-0/build/libc-modules.h -DMODULE_NAME=iconvdata -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1004.os -MD -MP -MF /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1004.os.dt -MT /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1004.os gcc ibm1026.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -Wstrict-prototypes -Wold-style-definition -fno-math-errno -fPIC -I../include -I/tmp/guix-build-glibc-2.28.drv-0/build/iconvdata -I/tmp/guix-build-glibc-2.28.drv-0/build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include-fixed -isystem /gnu/store/3c9a43ifhbjm8lsc1s183y8a8874fz01-linux-libre-headers-4.14.67/include -D_LIBC_REENTRANT -include /tmp/guix-build-glibc-2.28.drv-0/build/libc-modules.h -DMODULE_NAME=iconvdata -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1026.os -MD -MP -MF /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1026.os.dt -MT /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1026.os gcc cp1125.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -Wstrict-prototypes -Wold-style-definition -fno-math-errno -fPIC -I../include -I/tmp/guix-build-glibc-2.28.drv-0/build/iconvdata -I/tmp/guix-build-glibc-2.28.drv-0/build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include-fixed -isystem /gnu/store/3c9a43ifhbjm8lsc1s183y8a8874fz01-linux-libre-headers-4.14.67/include -D_LIBC_REENTRANT -include /tmp/guix-build-glibc-2.28.drv-0/build/libc-modules.h -DMODULE_NAME=iconvdata -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1125.os -MD -MP -MF /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1125.os.dt -MT /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1125.os In file included from ./8bit-gap.c:117:0, from ibm1163.c:28: ../iconv/skeleton.c: In function ?gconv?: ../iconv/skeleton.c:375:24: internal compiler error: Segmentation fault # define FUNCTION_NAME gconv ^ ../iconv/skeleton.c:390:1: note: in expansion of macro ?FUNCTION_NAME? FUNCTION_NAME (struct __gconv_step *step, struct __gconv_step_data *data, ^ gcc cp1250.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -Wstrict-prototypes -Wold-style-definition -fno-math-errno -fPIC -I../include -I/tmp/guix-build-glibc-2.28.drv-0/build/iconvdata -I/tmp/guix-build-glibc-2.28.drv-0/build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include-fixed -isystem /gnu/store/3c9a43ifhbjm8lsc1s183y8a8874fz01-linux-libre-headers-4.14.67/include -D_LIBC_REENTRANT -include /tmp/guix-build-glibc-2.28.drv-0/build/libc-modules.h -DMODULE_NAME=iconvdata -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1250.os -MD -MP -MF /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1250.os.dt -MT /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1250.os gcc cp1251.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -Wstrict-prototypes -Wold-style-definition -fno-math-errno -fPIC -I../include -I/tmp/guix-build-glibc-2.28.drv-0/build/iconvdata -I/tmp/guix-build-glibc-2.28.drv-0/build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include -isystem /gnu/store/4sqps8dczv3g7rwbdibfz6rf5jlk7w90-gcc-5.5.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.5.0/include-fixed -isystem /gnu/store/3c9a43ifhbjm8lsc1s183y8a8874fz01-linux-libre-headers-4.14.67/include -D_LIBC_REENTRANT -include /tmp/guix-build-glibc-2.28.drv-0/build/libc-modules.h -DMODULE_NAME=iconvdata -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1251.os -MD -MP -MF /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1251.os.dt -MT /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/cp1251.os Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[2]: *** [../o-iterator.mk:9: /tmp/guix-build-glibc-2.28.drv-0/build/iconvdata/ibm1163.os] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/tmp/guix-build-glibc-2.28.drv-0/glibc-2.28/iconvdata' make[1]: *** [Makefile:258: iconvdata/others] Error 2 make[1]: Leaving directory '/tmp/guix-build-glibc-2.28.drv-0/glibc-2.28' make: *** [Makefile:9: all] Error 2 Backtrace: 4 (primitive-load "/gnu/store/l306q7nnhf2636jjk0gk9a3rqdn?") In ice-9/eval.scm: 191:35 3 (_ _) In srfi/srfi-1.scm: 863:16 2 (every1 #<procedure 9455c0 at /gnu/store/gfprsx2m62cvq?> ?) 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 `(#<condition &invoke-error [program: "make" arguments: ("-j" "16") exit-status: 2 term-signal: #f stop-signal: #f] 491800>)'. builder for `/gnu/store/0l7q8sv8d70q0sbnvdwz1m4s6gvaqdyc-glibc-2.28.drv' failed with exit code 1 build of /gnu/store/0l7q8sv8d70q0sbnvdwz1m4s6gvaqdyc-glibc-2.28.drv failed
