diff --unified --recursive --text --color openlibm-0.7.0/Make.inc openlibm-0.7.0.new/Make.inc
--- openlibm-0.7.0/Make.inc	2019-12-10 03:43:44.000000000 +0100
+++ openlibm-0.7.0.new/Make.inc	2020-01-24 10:26:02.822334200 +0100
@@ -3,7 +3,7 @@
 # Default build rule for any Makefile in this project: all
 default: all
 
-OS := $(shell uname)
+OS := WINNT
 # Do not forget to bump SOMINOR when changing VERSION,
 # and SOMAJOR when breaking ABI in a backward-incompatible way
 VERSION = 0.7.0