abinfo "Appending -std=gnu17 to fix build with GCC >= 15 ..."
# FIXME:
# In file included from casprintf.c:9:
# srcdir/lib/util/include/bool.h:13:5: error: cannot use keyword ‘false’ as enumeration constant
#    13 |     false = 0,
#       |     ^~~~~
# srcdir/lib/util/include/bool.h:13:5: note: ‘false’ is a keyword with ‘-std=c23’ onwards
# srcdir/lib/util/include/bool.h:15:3: error: expected ‘;’, identifier or ‘(’ before ‘bool’
#    15 | } bool;
#       |   ^~~~
# srcdir/lib/util/include/bool.h:15:3: warning: useless type name in empty declaration
export CFLAGS="${CFLAGS} -std=gnu17"
