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I now have the lib includeed in my make but i still get the same "undefined reference"? Since the -lc (libc.a) only includes a symbolic link to the libcygwin.a i tried to include the libcygwin.a explicitly but it still doesn't work. I must have made some fundamental error.....? /Daniel arm-elf-gcc -mcpu=arm7tdmi -L/lib -o LED_BLINK led_blink.o ../../periph/pio/lib_pio.o ../../periph/power_saving/lib_p s40800.o ../../periph/aic/lib_aic.o ../../periph/ebi/lib_ebi.o ../../periph/mem/ram_test.o ../../periph/mem/relocate.o ../../periph/special_ function/lib_sf.o ../../periph/spi/lib_spi.o ../../periph/stdc/lib_err.o ../../periph/timer_counter/lib_tc.o ../../periph/usart/lib_usart.o ../../periph/watchdog/lib_wd.o ../../periph/watchdog/irq_wd.o -lcygwin -lc -lgcc crt0.o: In function `have_jeeni0': crt0.o(.text+0xc0): undefined reference to `memcpy' crt0.o: In function `have_jeeni1': crt0.o(.text+0xdc): undefined reference to `memset' crt0.o(.text+0xf0): undefined reference to `exit' crt0.o(.text+0xf4): undefined reference to `__stack_start__' crt0.o(.text+0xf8): undefined reference to `__stackirq_start__' crt0.o(.text+0x104): undefined reference to `__start__' led_blink.o: In function `delay': led_blink.o(.text+0xdc): undefined reference to `PIO_DESC' led_blink.o: In function `main': led_blink.o(.text+0x1a4): undefined reference to `printf' led_blink.o(.text+0x1c0): undefined reference to `PIO_DESC' ../../periph/watchdog/irq_wd.o: In function `PtWDBase': ../../periph/watchdog/irq_wd.o(.text+0x0): undefined reference to `WD_BASE' /tools/H-i686-pc-cygwin/lib/gcc-lib/arm-elf/2.95.2/libgcc.a(__main.o): In function `__do_global_ctors': __main.o(.text+0xbc): undefined reference to `atexit' collect2: ld returned 1 exit status make: *** [LED_BLINK] Error 1 bash.exe-2.04$ -----Original Message----- From: Richard Earnshaw [mailto:rearnsha@arm.com] Sent: den 29 mars 2001 12:32 To: Andersson Daniel Cc: crossgcc@sourceware.cygnus.com; Richard.Earnshaw@arm.com Subject: Re: Difference in assemble language > Hi, > > I am slightly coming around the assembler problem now by manually editing > the files. However, when i compile my files a get some strange problem (se > below) > > bash.exe-2.04$ make > arm-elf-gcc -mcpu=arm7tdmi -lgcc -nostdlib -o > LED_BLINK led_blink.o ../../periph/pio/lib_pio.o ../../periph/power_savi > ng/lib_ps40800.o ../../periph/aic/lib_aic.o ../../periph/ebi/lib_ebi.o > ../../periph/mem/ram_test.o ../../periph/mem/relocate.o ../../periph/ > special_function/lib_sf.o ../../periph/spi/lib_spi.o > ../../periph/stdc/lib_err.o ../../periph/timer_counter/lib_tc.o > ../../periph/usart/lib_ > usart.o ../../periph/watchdog/lib_wd.o ../../periph/watchdog/irq_wd.o > -Tlinkerscript.ld -lgcc > crt0.o: In function `have_jeeni0': > crt0.o(.text+0xc0): undefined reference to `memcpy' > crt0.o(.text+0xc0): relocation truncated to fit: R_ARM_PC24 memcpy > crt0.o: In function `have_jeeni1': > crt0.o(.text+0xdc): undefined reference to `memset' > crt0.o(.text+0xdc): relocation truncated to fit: R_ARM_PC24 memset > crt0.o(.text+0xf0): undefined reference to `exit' > crt0.o(.text+0xf0): relocation truncated to fit: R_ARM_PC24 exit memcpy, memset and exit are all in libc.a, but you have told the linker not to include that when linking (-nostdlib). ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com
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