Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/b4e78faab3ce31543ca59a97f8d7d19d66ac608b/lib/zlib You should set ROOT_URL correctly, otherwise the web may not work correctly.
upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
 
 
 
 
 
 
u-boot/lib/zlib
Masahiro Yamada afc366f01b Replace <compiler.h> with <linux/compiler.h> 10 years ago
..
Makefile lib: descend into sub directories only when it is necessary 12 years ago
adler32.c
deflate.c
deflate.h
inffast.c
inffast.h
inffixed.h
inflate.c
inflate.h
inftrees.c
inftrees.h
trees.c
trees.h
zlib.c
zlib.h Replace <compiler.h> with <linux/compiler.h> 10 years ago
zutil.c
zutil.h