Refs fibercrypto#342, Adding granulated Os detection, fixing the dele…

…tion of a symlink, in windows works strange

Makefile

@@ -49,6 +49,21 @@ define is_version_correct
 $(if $(shell echo $1 | egrep '^[0-9]+\.[0-9]+\.[0-9]+$$'),1,0)
 endef
 
+ifeq ($(TRAVIS),true)
+  OS_NAME=$(TRAVIS_OS_NAME)
+else
+  ifeq ($(UNAME_S),Linux)
+    OS_NAME=linux
+  endif
+  ifeq ($(UNAME_S),Darwin)
+    OS_NAME=osx
+  endif
+  UNAME_W = $(shell uname -s | cut -d "_" -f1 )
+  ifeq ($(UNAME_W),MINGW64)
+    OS_NAME=windows
+  endif
+endif
+
 VERSION_IS_SEMANTIC_COMPLIANT = 0
 ifeq ($(call is_version_correct,$(VERSION_FIRMWARE)),0)
 	VERSION_FIRMWARE = $(VERSION_FIRMWARE_RAW)
@@ -69,11 +84,12 @@ ID_PRODUCT=1
 LANG=1
 COMBINED_VERSION=v$(VERSION_BOOTLOADER)-v$(VERSION_FIRMWARE)-$(ID_VENDOR)-$(ID_PRODUCT)-$(LANG)
 
-ifeq ($(UNAME_S), Darwin)
+ifeq ($(OS_NAME), osx)
 	LD_VAR=DYLD_LIBRARY_PATH
 else
 	LD_VAR=LD_LIBRARY_PATH
 endif
+
 check-version: ## Check that the tiny-firmware/VERSION match the current tag
 	@./ci-scripts/version.sh > tiny-firmware/VERSION
 	@if [ $$VERSION_IS_SEMANTIC_COMPLIANT -eq 1 ]; then git diff --exit-code tiny-firmware/VERSION; fi
@@ -106,7 +122,7 @@ build-deps: ## Build common dependencies (protob)
 	$(MAKE) -C tiny-firmware/protob/ build-c
 	# UNIX symbolic links don't supported by Windows, so the best way
 	# to use them is to create proper one in the begining of build
-ifeq ($(OS),Windows_NT)
+ifeq ($(OS_NAME), windows)
 	( cd ./tiny-firmware/vendor && rm skycoin-crypto)
 	( cd ./tiny-firmware/vendor && cmd /c 'mklink /d skycoin-crypto ..\..\skycoin-api\')
 endif
@@ -287,7 +303,11 @@ clean-lib: ## Delete all files generated by tiny-firmware library dependencies
 
 clean: bootloader-clean firmware-clean setup-libskycoin ## Delete all files generated by build
 	make -C tiny-firmware/vendor/libskycoin clean-libc
-	rm -fd ./tiny-firmware/vendor/libskycoin
+ifeq ($(OS_NAME), windows)
+	rm -rdf ./tiny-firmware/vendor/libskycoin
+else
+	rm -f ./tiny-firmware/vendor/libskycoin
+endif
 	$(MAKE) -C skycoin-api/ clean
 	$(MAKE) -C tiny-firmware/emulator/ clean
 	$(MAKE) -C tiny-firmware/protob/ clean-c