diff --git a/.travis-lin-mingw.sh b/.travis-lin-mingw.sh
new file mode 100755
index 000000000..0422a06f6
--- /dev/null
+++ b/.travis-lin-mingw.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+DIR=$PWD
+
+if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+	echo "WORK DIR:$DIR"
+	mkdir -p $DIR/build/linux-mingw32-release
+	cd $DIR/build/linux-mingw32-release
+	echo "cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=./cmake/linux-mingw32.cmake -DCMAKE_INSTALL_PREFIX=$PWD/_install $DIR"
+	cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=./cmake/linux-mingw32.cmake -DCMAKE_INSTALL_PREFIX=$PWD/_install $DIR 
+	echo "make"
+	make
+fi
+
diff --git a/.travis.yml b/.travis.yml
index b0f985012..b1832d57f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,9 +18,12 @@ addons:
       - g++-6
       - gcc-6
       - libusb-1.0.0-dev
+      - p7zip
+      - mingw-w64
 
 script:
   - git fetch --tags
   - printenv
   - cmake --version
   - ./.travis.sh
+  - ./.travis-lin-mingw.sh
diff --git a/.version b/.version
index dc1e644a1..ce6a70b9d 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-1.6.0
+1.6.0
\ No newline at end of file
diff --git a/cmake/Version.cmake b/cmake/Version.cmake
index e74d775d6..71859015c 100644
--- a/cmake/Version.cmake
+++ b/cmake/Version.cmake
@@ -1,51 +1,95 @@
 # Determine project version
 # * Using Git
 # * Local .version file
-find_package (Git QUIET)
+
+set(__detect_version 0)
+
+find_package (Git)
+
 if (GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
-	# Working off a git repo, using git versioning
-	# Check if HEAD is pointing to a tag
-	execute_process (
-		COMMAND             "${GIT_EXECUTABLE}" describe --always --tag
-		WORKING_DIRECTORY   "${PROJECT_SOURCE_DIR}"
-		OUTPUT_VARIABLE     PROJECT_VERSION
-		OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-	# If the sources have been changed locally, add -dirty to the version.
-	execute_process (
-	COMMAND             "${GIT_EXECUTABLE}" diff --quiet
-	WORKING_DIRECTORY   "${PROJECT_SOURCE_DIR}"
-	RESULT_VARIABLE     res)
-
-	if (res EQUAL 1)
-		set (PROJECT_VERSION "${PROJECT_VERSION}-dirty")
-	endif()
-
-	# strip a leading v off of the version as proceeding code expectes just the version numbering.
-	string(REGEX REPLACE "^v" "" PROJECT_VERSION ${PROJECT_VERSION})
-
-	string(REGEX REPLACE "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)(-[.0-9A-Za-z-]+)?([+][.0-9A-Za-z-]+)?$"
-		"\\1;\\2;\\3" PROJECT_VERSION_LIST ${PROJECT_VERSION})
-	list(LENGTH PROJECT_VERSION_LIST len)
-	if(len EQUAL 3)
-		list(GET PROJECT_VERSION_LIST 0 PROJECT_VERSION_MAJOR)
-		list(GET PROJECT_VERSION_LIST 1 PROJECT_VERSION_MINOR)
-		list(GET PROJECT_VERSION_LIST 2 PROJECT_VERSION_PATCH)
-	endif()
-elseif(EXISTS ${PROJECT_SOURCE_DIR}/.version)
-	#  If git is not available (e.g. when building from source package)
-	#  we can extract the package version from .version file.
-	file (STRINGS .version PROJECT_VERSION)
-
-	# TODO create function to extract semver from file or string and check if it is correct instead of copy-pasting
-	string(REGEX REPLACE "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)(-[.0-9A-Za-z-]+)?([+][.0-9A-Za-z-]+)?$"
-                     "\\1;\\2;\\3" PROJECT_VERSION_LIST ${PROJECT_VERSION})
-	list(GET PROJECT_VERSION_LIST 0 PROJECT_VERSION_MAJOR)
-	list(GET PROJECT_VERSION_LIST 1 PROJECT_VERSION_MINOR)
-	list(GET PROJECT_VERSION_LIST 2 PROJECT_VERSION_PATCH)
+    # Working off a git repo, using git versioning
+    # Check if HEAD is pointing to a tag
+    execute_process (
+        COMMAND             "${GIT_EXECUTABLE}" describe --always --tag
+        WORKING_DIRECTORY   "${PROJECT_SOURCE_DIR}"
+        OUTPUT_VARIABLE     PROJECT_VERSION
+        RESULT_VARIABLE     GIT_DESCRIBE_RESULT
+        ERROR_VARIABLE      GIT_DESCRIBE_ERROR
+        OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    if(GIT_DESCRIBE_RESULT EQUAL 0)
+        # If the sources have been changed locally, add -dirty to the version.
+        execute_process (
+        COMMAND             "${GIT_EXECUTABLE}" diff --quiet
+        WORKING_DIRECTORY   "${PROJECT_SOURCE_DIR}"
+        RESULT_VARIABLE     res)
+
+        if (res EQUAL 1)
+            set (PROJECT_VERSION "${PROJECT_VERSION}-dirty")
+        endif()
+
+        # strip a leading v off of the version as proceeding code expectes just the version numbering.
+        string(REGEX REPLACE "^v" "" PROJECT_VERSION ${PROJECT_VERSION})
+
+        string(REGEX REPLACE "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)(-[.0-9A-Za-z-]+)?([+][.0-9A-Za-z-]+)?$"
+            "\\1;\\2;\\3" PROJECT_VERSION_LIST ${PROJECT_VERSION})
+        list(LENGTH PROJECT_VERSION_LIST len)
+        if(len EQUAL 3)
+            list(GET PROJECT_VERSION_LIST 0 PROJECT_VERSION_MAJOR)
+            list(GET PROJECT_VERSION_LIST 1 PROJECT_VERSION_MINOR)
+            list(GET PROJECT_VERSION_LIST 2 PROJECT_VERSION_PATCH)
+            set(__detect_version 1)
+            set(__version_str "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
+            if(EXISTS "${PROJECT_SOURCE_DIR}/.version")
+                file(READ  "${PROJECT_SOURCE_DIR}/.version" __version_file)
+                if(NOT __version_str STREQUAL __version_file)
+                    message(STATUS "Rewrite ${PROJECT_SOURCE_DIR}/.version with ${__version_str}")
+                endif()
+            else()
+                file(WRITE "${PROJECT_SOURCE_DIR}/.version" ${__version_str})
+            endif()
+        else()
+            message(STATUS "Fail to extract version's parts from \"${PROJECT_VERSION}\"")
+        endif()
+
+    else(GIT_DESCRIBE_RESULT EQUAL 0)
+        message(WARNING "git describe failed.")
+        message(WARNING "${GIT_DESCRIBE_ERROR}")
+    endif(GIT_DESCRIBE_RESULT EQUAL 0)
 else()
-	message(FATAL_ERROR "Unable to determine project version")
+    message(STATUS "Git or repo not found.")
 endif()
 
+
+
+if(NOT __detect_version)
+    message(STATUS "Try to detect version from \"${PROJECT_SOURCE_DIR}/.version\" file.")
+    if(EXISTS ${PROJECT_SOURCE_DIR}/.version)
+        #  If git is not available (e.g. when building from source package)
+        #  we can extract the package version from .version file.
+        file (STRINGS .version PROJECT_VERSION)
+
+        # TODO create function to extract semver from file or string and check if it is correct instead of copy-pasting
+        string(REGEX REPLACE "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)(-[.0-9A-Za-z-]+)?([+][.0-9A-Za-z-]+)?$"
+                         "\\1;\\2;\\3" PROJECT_VERSION_LIST ${PROJECT_VERSION})
+        list(LENGTH PROJECT_VERSION_LIST len)
+        if(len EQUAL 3)
+            list(GET PROJECT_VERSION_LIST 0 PROJECT_VERSION_MAJOR)
+            list(GET PROJECT_VERSION_LIST 1 PROJECT_VERSION_MINOR)
+            list(GET PROJECT_VERSION_LIST 2 PROJECT_VERSION_PATCH)
+            set(__detect_version 1)
+        else()
+            message(STATUS "Fail to extract version's parts from \"${PROJECT_VERSION}\"")
+        endif()
+    else()
+        message(STATUS "File \"${PROJECT_SOURCE_DIR}/.version\" did not exists.")
+    endif()
+endif()
+
+if(NOT __detect_version)
+    message(FATAL_ERROR "Unable to determine project version")
+endif()
+
+
 message(STATUS "stlink version: ${PROJECT_VERSION}")
 message(STATUS "          Major ${PROJECT_VERSION_MAJOR} Minor ${PROJECT_VERSION_MINOR} Patch ${PROJECT_VERSION_PATCH}")
diff --git a/cmake/modules/FindLibUSB.cmake b/cmake/modules/FindLibUSB.cmake
index 5233e489d..2ad35b3d8 100644
--- a/cmake/modules/FindLibUSB.cmake
+++ b/cmake/modules/FindLibUSB.cmake
@@ -84,7 +84,8 @@ if(NOT LIBUSB_FOUND)
         file(MAKE_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
 
         if(${ZIP_EXECUTABLE} MATCHES "p7zip")
-            execute_process(COMMAND ${ZIP_EXECUTABLE} -d --keep -f ${LIBUSB_WIN_ARCHIVE_PATH} WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
+            #execute_process(COMMAND ${ZIP_EXECUTABLE} -d --keep -f ${LIBUSB_WIN_ARCHIVE_PATH} WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
+            execute_process(COMMAND ${ZIP_EXECUTABLE} -d ${LIBUSB_WIN_ARCHIVE_PATH} WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
         else()
             execute_process(COMMAND ${ZIP_EXECUTABLE} x -y ${LIBUSB_WIN_ARCHIVE_PATH} -o${LIBUSB_WIN_OUTPUT_FOLDER})
         endif()
diff --git a/src/usb.c b/src/usb.c
index 9df9d7296..81bd7ae2c 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -189,7 +189,7 @@ int _stlink_usb_version(stlink_t *sl) {
         cmd[i++] = STLINK_APIV3_GET_VERSION_EX;
 
         size = send_recv(slu, 1, cmd, slu->cmd_len, data, rep_len);
-        if (size != rep_len) {
+        if (size != (ssize_t)rep_len) {
             printf("[!] send_recv STLINK_APIV3_GET_VERSION_EX\n");
             return (int) size;
         }