STM32F407探索者综合实验59编译失败

Build target 'Test'
compiling usart3.c...
..\HARDWARE\USART3\usart3.c(124): error:  #928: incorrect use of va_start
        va_start(ap,fmt);
..\HARDWARE\USART3\usart3.c(124): error:  #253: expected a ","
        va_start(ap,fmt);
..\HARDWARE\USART3\usart3.c(124): error:  #29: expected an expression
        va_start(ap,fmt);
..\HARDWARE\USART3\usart3.c: 0 warnings, 3 errors
compiling ff.c...
..\FATFS\src\ff.c(4513): error:  #928: incorrect use of va_start
        va_start(arp, fmt);
..\FATFS\src\ff.c(4513): error:  #253: expected a ","
        va_start(arp, fmt);
..\FATFS\src\ff.c(4513): error:  #29: expected an expression
        va_start(arp, fmt);
..\FATFS\src\ff.c(4543): error:  #929: incorrect use of va_arg
                        p = va_arg(arp, TCHAR*);
..\FATFS\src\ff.c(4552): error:  #929: incorrect use of va_arg
                        putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue;
..\FATFS\src\ff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..\FATFS\src\ff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..\FATFS\src\ff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..\FATFS\src\ff.c: 0 warnings, 8 errors
compiling bitstreamf.c...
..\AUDIOCODEC\flac\flacdec\bitstreamf.c(31): error:  #5: cannot open source input file "stdbool.h": No such file or directory
  #include  
..\AUDIOCODEC\flac\flacdec\bitstreamf.c: 0 warnings, 1 error
compiling flacdecoder.c...
..\AUDIOCODEC\flac\flacdec\flacdecoder.c(35): error:  #5: cannot open source input file "stdbool.h": No such file or directory
  #include
..\AUDIOCODEC\flac\flacdec\flacdecoder.c: 0 warnings, 1 error
"..\OBJ\TEST.axf" - 13 Error(s), 0 Warning(s).
Target not created.



解决方法：
    原因 是ADS1.2和MDK的冲突导致。
     卸载ADS1.2、删除其环境变量
        变量名：ARMCC5LIB
        变量值 :D:\Keil\ARM\ARMCC\lib
   重启电脑！一定要重启电脑！