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HELP: GNUARM in KEIL ???

I opened C:\Keil\ARM\GNU\Examples\Blinky project
and opened Project->manage->components..books dialog to set the GNUARM tools:select USE GNU compiler

GNU-tool-prefix:arm-none-eabi-
cynus Folder: C:\Program Files\CodeSourcery\Sourcery G++ Lite

then Build target :

then a lot of error MSGs:

Build target 'MCB2100 Flash'
assembling Startup.s...
Assembler messages:
Error: Error: can't open .FlashStartup.o for reading: No such file or directory
compiling Serial.c...
Serial.c(10): error: LPC21xx.h: No such file or directory
Serial.c: In function 'init_serial':
Serial.c(16): error: 'PINSEL0' undeclared (first use in this function)
Serial.c(16): error: (Each undeclared identifier is reported only once
Serial.c(16): error: for each function it appears in.)
Serial.c(17): error: 'U1LCR' undeclared (first use in this function)
Serial.c(18): error: 'U1DLL' undeclared (first use in this function)
Serial.c: In function 'putchar':
Serial.c(26): error: 'U1LSR' undeclared (first use in this function)
Serial.c(27): error: 'U1THR' undeclared (first use in this function)
Serial.c: In function 'getchar':
Serial.c(36): error: 'U1LSR' undeclared (first use in this function)
Serial.c(38): error: 'U1RBR' undeclared (first use in this function)
arm-none-eabi-gcc: .Flashserial.o: No such file or directory
compiling Blinky.c...
Blinky.c(10): error: LPC21xx.h: No such file or directory
Blinky.c: In function 'delay':
Blinky.c(33): error: 'ADCR' undeclared (first use in this function)
Blinky.c(33): error: (Each undeclared identifier is reported only once
Blinky.c(33): error: for each function it appears in.)
Blinky.c(35): error: 'ADDR' undeclared (first use in this function)
Blinky.c: In function 'main':
Blinky.c(53): error: 'IODIR1' undeclared (first use in this function)
Blinky.c(54): error: 'ADCR' undeclared (first use in this function)
Blinky.c(60): error: 'IOSET1' undeclared (first use in this function)
Blinky.c(62): error: 'IOCLR1' undeclared (first use in this function)
arm-none-eabi-gcc: .Flashblinky.o: No such file or directory
Target not created

why???

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