Looks like a bug in gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81712

You probably have to patch gcc 4.* as it was only backported until gcc 5.5

On 3/29/22 21:01, Ekaitz Zarraga wrote:
>> And you try to compile that using `guix build -m manifest.scm` the compilation fails. The same happens when choosing 4.8.
>
> More specifically I mean the output of that command is:
>
> ./md-unwind-support.h:60:47: error: dereferencing pointer to incomplete type
> ...
> error: in phase 'build': uncaught exception:
> %exception #<&invoke-error program: "make" arguments: ("-j" "8" "LDFLAGS_FOR_TARGET=-B/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib -Wl,-dynamic-linker -Wl,/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib/ld-linux-x86-64.so.2" "LDFLAGS=-Wl,-rpath=/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib -Wl,-dynamic-linker -Wl,/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib/ld-linux-x86-64.so.2" "BOOT_CFLAGS=-O2 -g0") exit-status: 2 term-signal: #f stop-signal: #f>
> phase `build' failed after 256.1 seconds
> command "make" "-j" "8" "LDFLAGS_FOR_TARGET=-B/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib -Wl,-dynamic-linker -Wl,/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib/ld-linux-x86-64.so.2" "LDFLAGS=-Wl,-rpath=/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib -Wl,-dynamic-linker -Wl,/gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib/ld-linux-x86-64.so.2" "BOOT_CFLAGS=-O2 -g0" failed with status 2
> builder for `/gnu/store/bx2zldsx3by529hri5pfx15k12f67gzb-gcc-4.7.4.drv' failed with exit code 1
> build of /gnu/store/bx2zldsx3by529hri5pfx15k12f67gzb-gcc-4.7.4.drv failed
> View build log at '/var/log/guix/drvs/bx/2zldsx3by529hri5pfx15k12f67gzb-gcc-4.7.4.drv.gz'.
> guix build: error: build of `/gnu/store/bx2zldsx3by529hri5pfx15k12f67gzb-gcc-4.7.4.drv' failed