Fixed cmake script and windows pathing. (#53)

* Fixed cmake script and windows pathing.

CMakeLists.txt

@@ -1,6 +1,14 @@
 cmake_minimum_required(VERSION 3.1)
 project(aws-c-mqtt C)
 
+if (DEFINED CMAKE_PREFIX_PATH)
+    file(TO_CMAKE_PATH ${CMAKE_PREFIX_PATH} CMAKE_PREFIX_PATH)
+endif()
+
+if (DEFINED CMAKE_INSTALL_PREFIX)
+    file(TO_CMAKE_PATH ${CMAKE_INSTALL_PREFIX} CMAKE_INSTALL_PREFIX)
+endif()
+
 if (UNIX AND NOT APPLE)
     include(GNUInstallDirs)
 elseif(NOT DEFINED CMAKE_INSTALL_LIBDIR)

codebuild/common-windows.bat

@@ -1,26 +1,26 @@
 set CMAKE_ARGS=%*
 
-set BUILDS_DIR=%TEMP%/builds
-set INSTALL_DIR=%BUILDS_DIR%/install
+set BUILDS_DIR=%TEMP%\builds
+set INSTALL_DIR=%BUILDS_DIR%\install
 mkdir %BUILDS_DIR%
 mkdir %INSTALL_DIR%
 
 CALL :install_library aws-c-common
 CALL :install_library aws-c-io
 
-mkdir %BUILDS_DIR%/aws-c-mqtt-build
-cd %BUILDS_DIR%/aws-c-mqtt-build
-cmake %CMAKE_ARGS% -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX=%INSTALL_DIR% -DCMAKE_PREFIX_PATH=%INSTALL_DIR%  %CODEBUILD_SRC_DIR% || goto error
+mkdir %BUILDS_DIR%\aws-c-mqtt-build
+cd %BUILDS_DIR%\aws-c-mqtt-build
+cmake %CMAKE_ARGS% -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX="%INSTALL_DIR%" -DCMAKE_PREFIX_PATH="%INSTALL_DIR%"  %CODEBUILD_SRC_DIR% || goto error
 cmake --build . --config RelWithDebInfo || goto error
 ctest -V || goto error
 
 goto :EOF
 
 :install_library
-mkdir %BUILDS_DIR%/%~1-build
-cd %BUILDS_DIR%/%~1-build
+mkdir %BUILDS_DIR%\%~1-build
+cd %BUILDS_DIR%\%~1-build
 git clone https://github.com/awslabs/%~1.git
-cmake %CMAKE_ARGS% -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX=%INSTALL_DIR% -DCMAKE_PREFIX_PATH=%INSTALL_DIR% %~1 || goto error
+cmake %CMAKE_ARGS% -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX="%INSTALL_DIR%" -DCMAKE_PREFIX_PATH="%INSTALL_DIR%" %~1 || goto error
 cmake --build . --target install --config RelWithDebInfo || goto error
 exit /b %errorlevel%