Hi all,
I'm trying to compile uClinux at MPS (Microcontroller Prototyping
System). Here I have a customized Cortex M4 processor on it, this means
that the peripherals could customized loaded into a FPGA.
Used files:
uCLinux-dist (20200315)
CodeSourcery G++ 4.4.1
and a patch directly from ARM.
I currently could compile the Kernel and the uClibc, but after entering
the userland, I come into trouble. The limits.h from the compiler has a
special directive called # include_next <limits.h>. So I looked for the
next limits.h file in all the directorys.
Here is the output:
------------------8<---------------------8<-----------------------8<---------
make[1]: Entering directory `/mnt/drive/uClinux-dist/user'
make -j1 /mnt/drive/uClinux-dist/prop
/mnt/drive/uClinux-dist/vendors/MPS/CM3/. busybox dhcpcd-new games
gdbserver inetd init login net-tools ping ramimage sash telnetd || exit $?
make[2]: Entering directory `/mnt/drive/uClinux-dist/user'
[ ! -d "/mnt/drive/uClinux-dist/prop" ] || ( touch
/mnt/drive/uClinux-dist/prop/.sgbuilt_user && make -j1 -C
/mnt/drive/uClinux-dist/prop ) || exit $?
make[2]: Nothing to be done for `/mnt/drive/uClinux-dist/vendors/MPS/CM3/.'.
[ ! -d "busybox" ] || ( touch busybox/.sgbuilt_user && make -j1 -C
busybox ) || exit $?
make[3]: Entering directory `/mnt/drive/uClinux-dist/user/busybox'
make[4]: `__build' is up to date.
CC applets/applets.o
In file included from include/libbb.h:41,
from include/busybox.h:10,
from applets/applets.c:11:
/home/quotrader/CodeSourcery/Sourcery_G++_Lite/arm-none-linux-gnueabi/libc/usr/include/limits.h:23:
warning: #warning LIBC_LIMITS_H_CS
In file included from
/home/quotrader/CodeSourcery/Sourcery_G++_Lite/arm-none-linux-gnueabi/libc/usr/include/limits.h:125,
from include/libbb.h:41,
from include/busybox.h:10,
from applets/applets.c:11:
/mnt/drive/uClinux-dist/uClibc/include/limits.h:22: warning: #warning
LIBC_LIMITS_uC
/mnt/drive/uClinux-dist/uClibc/include/limits.h:124: fatal error:
limits.h: No such file or directory
compilation terminated.
make[4]: *** [applets/applets.o] Error 1
make[3]: *** [applets] Error 2
make[3]: Leaving directory `/mnt/drive/uClinux-dist/user/busybox'
make[2]: *** [busybox] Error 2
make[2]: Leaving directory `/mnt/drive/uClinux-dist/user'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/mnt/drive/uClinux-dist/user'
make: *** [subdirs] Error 1
------------------8<---------------------8<-----------------------8<---------
/mnt/drive/uClinux-dist/uClibc/include/limits.h:124: fatal error:
limits.h: No such file or directory
^- this message says me, that he couldn't find the next limits.h. In all
the limits.h's I found there was this directive:
# include_next <limits.h>
I don't understand this mechanism. So could some please tell me: How
does it work and when somebody knows how I fix this problem.
Thanks for every answer.
Greets
Frank
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