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Forum: ARM programming with GCC/GNU tools ARM linker fail


Author: bogdanul2003 (Guest)
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I'm trying to compile RTEMS for a STM32F4DISCOVERY board. Everything 
goes well until the linker tries to find the linker script 
linkcmds.armv7m. I searched for the file on my system and I found it 
some places.

/opt/rtems-4.11/bin/ld/linkcmds.armv7m
/opt/rtems-4.11/arm-rtemseabi4.11/lib/linkcmds.armv7m
find: `/home/boil/.gvfs': Permission denied
/home/boil/Documents/b-rtems/arm-rtemseabi4.11/gumstix/lib/linkcmds.armv 
7m
/home/boil/Documents/arm-work/rtos/c/src/lib/libbsp/arm/shared/startup/l 
inkcmds.armv7m
/home/boil/Documents/arm-work/base_sp2/linkcmds.armv7m
/home/boil/Documents/arm-work/lib/linkcmds.armv7m
/home/boil/Documents/arm-work/bin/arm-rtemseabi4.11/stm32f4/lib/linkcmds 
.armv7m
/home/boil/Documents/rtems/c/src/lib/libbsp/arm/shared/startup/linkcmds. 
armv7m


And this is the last output when trying to comppile RTEMS

arm-rtemseabi4.11-gcc -Os -B ./../bin/arm-rtemseabi4.11/stm32f4/lib/ 
-specs bsp_specs -qrtems -mstructure-size-boundary=8 -march=armv7-m 
-mthumb -fno-schedule-insns2 -fno-common -O0 -g3 -ggdb -g -Wall 
-Wmissing-prototypes -Wimplicit-function-declaration 
-mstructure-size-boundary=8 -march=armv7-m -mthumb -fno-schedule-insns2 
-fno-common -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 
-DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_STRINGS_H=1 
-DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_CSTDIO=1 
-DHAVE_CSTDLIB=1 -DHAVE_IOSTREAM=1 
-I./../bin/arm-rtemseabi4.11/stm32f4/lib/include -I./inc  -g 
-Wstrict-prototypes -Wnested-externs ./obj/stm32f4_discovery.o 
./obj/stm32f4xx_exti.o ./obj/init.o ./obj/stm32f4xx_rcc.o ./obj/misc.o 
./obj/stm32f4xx_syscfg.o ./obj/apptask.o -o elf/base_sp.elf
/opt/rtems-4.11/lib/gcc/arm-rtemseabi4.11/4.7.1/../../../../arm-rtemseab 
i4.11/bin/ld:  cannot open linker script file linkcmds.armv7: No such 
file or directory
collect2: error: ld returned 1 exit status
make: *** [elf/base_sp.elf] Error 1

Can you tell how to fix this?

Author: Jörg Wunsch (dl8dtl) (Moderator)
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Try running the compiler with -v, then it ought to tell you in which
directories it is looking for the various files.

My guess is that it's the -specs bsp_specs option which might cause
it to look in a non-standard location.

Author: bogdanul2003 (Guest)
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Found the mistake ... the linker file used by ld included another linker 
file but with the wrong name

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