support building on Windows, by @dotnfc in issue #14

Author: z4yx

toolchain.cmake

@@ -4,9 +4,15 @@ set(triple arm-none-eabi)
 set(CMAKE_SYSTEM_NAME Generic)
 SET(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 
-set(CMAKE_C_COMPILER "${CROSS_COMPILE}gcc")
+if (CMAKE_HOST_WIN32)
+    set (TOOLCHAIN_SUFFIX .exe)
+else()
+    set (TOOLCHAIN_SUFFIX "")
+endif()
+
+set(CMAKE_C_COMPILER "${CROSS_COMPILE}gcc${TOOLCHAIN_SUFFIX}")
 set(CMAKE_C_COMPILER_TARGET ${triple})
-set(CMAKE_CXX_COMPILER "${CROSS_COMPILE}g++")
+set(CMAKE_CXX_COMPILER "${CROSS_COMPILE}g++${TOOLCHAIN_SUFFIX}")
 set(CMAKE_CXX_COMPILER_TARGET ${triple})
-set(CMAKE_ASM_COMPILER "${CROSS_COMPILE}gcc")
+set(CMAKE_ASM_COMPILER "${CROSS_COMPILE}gcc${TOOLCHAIN_SUFFIX}")
 set(CMAKE_ASM_COMPILER_TARGET ${triple})