C:\Users\USER\.chicken-install\cache\base64
λ chicken-install.exe -cached http-client
building base64
   D:/chicken//bin/csc -setup-mode -static -I C:\Users\USER\.chicken-install\cache\base64 -emit-link-file C:\Users\USER\.chicken-install\cache\base64\base64.link -host -D compiling-extension -c -unit base64 -D compiling-static-extension -C -IC:\Users\USER\.chicken-install\cache\base64 -O2 -d1 base64.scm -o C:\Users\USER\.chicken-install\cache\base64\base64.static.obj
creating subprocess failed

Error: shell command terminated with nonzero exit code
1
"C:\\Users\\USER\\.chicken-install\\cache\\base64\\base64.build.bat"

C:\Users\USER\.chicken-install\cache\base64
λ cat base64.
base64.build.bat    base64.import.scm   base64.scm
base64.egg          base64.install.bat  base64.so
C:\Users\USER\.chicken-install\cache\base64
λ cat base64.build.bat
@echo off

set PATH="D:/chicken//bin";%PATH%
set CHICKEN_CC="gcc"
set CHICKEN_CXX="g++"
set CHICKEN_CSC="D:/chicken//bin/csc"
set CHICKEN_CSI="D:/chicken//bin/csi"
cd "C:\Users\USER\.chicken-install\cache\base64"

"D:\chicken\\bin\chicken-do" "C:\Users\USER\.chicken-install\cache\base64\base64.so" "C:\Users\USER\.chicken-install\cache\base64\base64.import.scm" : "base64.scm" "C:\Users\USER\.chicken-install\cache\base64\base64.egg"   : "D:/chicken//bin/csc" -host -D compiling-extension -J -s -setup-mode -I C:\Users\USER\.chicken-install\cache\base64 -C -IC:\Users\USER\.chicken-install\cache\base64 "-O2" "-d1" "base64.scm" -o "C:\Users\USER\.chicken-install\cache\base64\base64.so"
if errorlevel 1 exit /b 1

"D:\chicken\\bin\chicken-do" "C:\Users\USER\.chicken-install\cache\base64\base64.static.obj" "C:\Users\USER\.chicken-install\cache\base64\base64.link" : "base64.scm" "C:\Users\USER\.chicken-install\cache\base64\base64.egg"   : "D:/chicken//bin/csc" -setup-mode -static -I C:\Users\USER\.chicken-install\cache\base64 -emit-link-file "C:\Users\USER\.chicken-install\cache\base64\base64.link" -host -D compiling-extension -c -unit base64 -D compiling-static-extension -C -IC:\Users\USER\.chicken-install\cache\base64 "-O2" "-d1" "base64.scm" -o "C:\Users\USER\.chicken-install\cache\base64\base64.static.obj"
if errorlevel 1 exit /b 1

"D:\chicken\\bin\chicken-do" "C:\Users\USER\.chicken-install\cache\base64\base64.import.so" : "base64.import.scm" : "D:/chicken//bin/csc" -setup-mode -s -host -I C:\Users\USER\.chicken-install\cache\base64 -C -IC:\Users\USER\.chicken-install\cache\base64 "-O2" "-d0" "base64.import.scm" -o "C:\Users\USER\.chicken-install\cache\base64\base64.import.so"
if errorlevel 1 exit /b 1