Otherwise, "tzdata" won't be found when cross-compiling and string-append will complain about types. Alternatively, "tzdata" could be moved from 'native-inputs' to 'inputs'. * gnu/packages/glib.scm (glib)[arguments]<#:phases>{pre-check}: Look up "tzdata" in 'native-inputs', not 'inputs'. --- gnu/packages/glib.scm | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)