Among other things this is required to build aginst Glibc 2.28+,
see:
4af4a4a718
Otherwise it fails on build like that:
----------------------->8------------------------
CC lib/fts.o
lib/freadptr.c: In function 'freadptr':
lib/freadptr.c:119:3: error: #error "Please port gnulib freadptr.c to your platform! Look at the definition of fflush, fread, getc, getc_unlocked on your system, then report this to bug-gnulib."
#error "Please port gnulib freadptr.c to your platform! Look at the definition of fflush, fread, getc, getc_unlocked on your system, then report this to bug-gnulib."
^~~~~
----------------------->8------------------------
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>