Convert toolchain prefix to CMake-style path, and quote usages.

Fixes space-including paths, such as the default install path for
the GCC ARM toolset on Windows.

cmake/gcc_stm32.cmake

@@ -6,6 +6,8 @@ SET(STM32_SUPPORTED_FAMILIES L0 F0 F1 F2 F3 F4 F7 CACHE INTERNAL "stm32 supporte
 IF(NOT TOOLCHAIN_PREFIX)
      SET(TOOLCHAIN_PREFIX "/usr")
      MESSAGE(STATUS "No TOOLCHAIN_PREFIX specified, using default: " ${TOOLCHAIN_PREFIX})
+ELSE()
+     FILE(TO_CMAKE_PATH "${TOOLCHAIN_PREFIX}" TOOLCHAIN_PREFIX)
 ENDIF()
 
 IF(NOT TARGET_TRIPLET)
@@ -25,15 +27,15 @@ IF(NOT STM32_FAMILY)
     ENDIF()
 ENDIF()
 
-STRING(TOUPPER ${STM32_FAMILY} STM32_FAMILY)
-LIST(FIND STM32_SUPPORTED_FAMILIES ${STM32_FAMILY} FAMILY_INDEX)
+STRING(TOUPPER "${STM32_FAMILY}" STM32_FAMILY)
+LIST(FIND STM32_SUPPORTED_FAMILIES "${STM32_FAMILY}" FAMILY_INDEX)
 IF(FAMILY_INDEX EQUAL -1)
     MESSAGE(FATAL_ERROR "Invalid/unsupported STM32 family: ${STM32_FAMILY}")
 ENDIF()
 
-SET(TOOLCHAIN_BIN_DIR ${TOOLCHAIN_PREFIX}/bin)
-SET(TOOLCHAIN_INC_DIR ${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET}/include)
-SET(TOOLCHAIN_LIB_DIR ${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET}/lib)
+SET(TOOLCHAIN_BIN_DIR "${TOOLCHAIN_PREFIX}/bin")
+SET(TOOLCHAIN_INC_DIR "${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET}/include")
+SET(TOOLCHAIN_LIB_DIR "${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET}/lib")
 
 SET(CMAKE_SYSTEM_NAME Generic)
 SET(CMAKE_SYSTEM_PROCESSOR arm)
@@ -46,20 +48,20 @@ ENDIF()
 
 IF(${CMAKE_VERSION} VERSION_LESS 3.6.0)
     INCLUDE(CMakeForceCompiler)
-    CMAKE_FORCE_C_COMPILER(${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX} GNU)
-    CMAKE_FORCE_CXX_COMPILER(${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-g++${TOOL_EXECUTABLE_SUFFIX} GNU)
+    CMAKE_FORCE_C_COMPILER("${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX}" GNU)
+    CMAKE_FORCE_CXX_COMPILER("${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-g++${TOOL_EXECUTABLE_SUFFIX}" GNU)
 ELSE()
     SET(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
-    SET(CMAKE_C_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX})
-    SET(CMAKE_CXX_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-g++${TOOL_EXECUTABLE_SUFFIX})
+    SET(CMAKE_C_COMPILER "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX}")
+    SET(CMAKE_CXX_COMPILER "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-g++${TOOL_EXECUTABLE_SUFFIX}")
 ENDIF()
-SET(CMAKE_ASM_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX})
+SET(CMAKE_ASM_COMPILER "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOL_EXECUTABLE_SUFFIX}")
 
-SET(CMAKE_OBJCOPY ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objcopy${TOOL_EXECUTABLE_SUFFIX} CACHE INTERNAL "objcopy tool")
-SET(CMAKE_OBJDUMP ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objdump${TOOL_EXECUTABLE_SUFFIX} CACHE INTERNAL "objdump tool")
-SET(CMAKE_SIZE ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-size${TOOL_EXECUTABLE_SUFFIX} CACHE INTERNAL "size tool")
-SET(CMAKE_DEBUGER ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gdb${TOOL_EXECUTABLE_SUFFIX} CACHE INTERNAL "debuger")
-SET(CMAKE_CPPFILT ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-c++filt${TOOL_EXECUTABLE_SUFFIX} CACHE INTERNAL "C++filt")
+SET(CMAKE_OBJCOPY "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objcopy${TOOL_EXECUTABLE_SUFFIX}" CACHE INTERNAL "objcopy tool")
+SET(CMAKE_OBJDUMP "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objdump${TOOL_EXECUTABLE_SUFFIX}" CACHE INTERNAL "objdump tool")
+SET(CMAKE_SIZE "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-size${TOOL_EXECUTABLE_SUFFIX}" CACHE INTERNAL "size tool")
+SET(CMAKE_DEBUGER "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gdb${TOOL_EXECUTABLE_SUFFIX}" CACHE INTERNAL "debuger")
+SET(CMAKE_CPPFILT "${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-c++filt${TOOL_EXECUTABLE_SUFFIX}" CACHE INTERNAL "C++filt")
 
 SET(CMAKE_C_FLAGS_DEBUG "-Og -g" CACHE INTERNAL "c compiler flags debug")
 SET(CMAKE_CXX_FLAGS_DEBUG "-Og -g" CACHE INTERNAL "cxx compiler flags debug")
@@ -71,7 +73,7 @@ SET(CMAKE_CXX_FLAGS_RELEASE "-Os -flto" CACHE INTERNAL "cxx compiler flags relea
 SET(CMAKE_ASM_FLAGS_RELEASE "" CACHE INTERNAL "asm compiler flags release")
 SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "-flto" CACHE INTERNAL "linker flags release")
 
-SET(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET} ${EXTRA_FIND_PATH})
+SET(CMAKE_FIND_ROOT_PATH "${TOOLCHAIN_PREFIX}/${TARGET_TRIPLET}" ${EXTRA_FIND_PATH})
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)