Can't install on Windows via pip about pygsl HOT 1 OPEN

# Some systems do not provide gsl-config. So here the locations can be entered
 # by hand.
 import os

# The path to the directory where gsl is installed. Currently setup.py assumes
# that the include files are located in "prefix/include". 
prefix = os.path.join("C:\\", "OpenSource", "local")

cflags = "-g -I" + os.path.join(prefix, "include")

libs   = "-L" + os.path.join(prefix, "lib")+ " -lgsl -lgslcblas -lm"

# Enter the correct GSL versions by hand..
version = "2.7"

# swig_extension.py needs swig to generate the approbriate wrapper files. This
# variable only needs to be correct is you use USE_SWIG=1 in setup.py
swig = os.path.join("C:\\", "OpenSource", "swig", "swig-4.1.1", "swig")
#swig = os.path.join("C:\\", "Programs", "Swig", "SWIG-1.3.19", "swig")

<swig_extension.SWIG_Extension('__callback') at 0x25b364dc350>
Building testing ufuncs!
#29 extension modules
running gsl_wrappers
Exporting parser tree using swig: ['C:\\OpenSource\\swig\\swig-4.1.1\\swig', '-I
C:\\OpenSource\\local\\include', '-xml', 'C:\\Users\\Alexandre\\Downloads\\pygsl
-2.3.3.tar\\pygsl-2.3.3\\pygsl-2.3.3\\testing\\src\\sf\\sf.i']
error: [WinError 2] The system cannot find the file specified