Chadwain Holness schreef op zo 20-02-2022 om 03:11 [-0500]:
It does look quite a bit better, but there's a cross-compilation
problem now: when cross-compiling, 'which' looks in the 'native-inputs'
instead of the 'inputs' (native-inputs = compiled for the architecture
the build is performed on, inputs = compiled for the architecture
'cgdb' will be run on). You can use 'search-input-file' to solve this:
#~(modify-phases %standard-phases
(add-after 'unpack 'fix-paths
(lambda* (#:key inputs #:allow-other-keys)
(define gdb (search-input-file inputs "bin/gdb"))
(define sh (search-input-file inputs "bin/sh"))
(substitute* "lib/util/fork_util.cpp"
(("GDB = \"gdb\"") (string-append "GDB = \"" gdb))
You are using a 'sh' from 'inputs' in 'fix-paths', so the package
'bash-minimal' needs to be included, otherwise the build would fail
('bash-minimal' is an (implicit) native-input, so the build failure
would not happen when compiling natively).
To test whether cross-compiling cgdb works, you can try
./pre-inst-env guix build cgdb --target=aarch64-linux-gnu
(warning: this might build a cross-compiler toolchain first, which can
take quite some time, and possibly 'gdb' is not cross-compilable!)