[schilytools] Fail to build on Alpine Linux on a Raspberry 5 ( aarch64 )

[Dennis Clarke]

Just a strange message I see today and I have no clue why that would
happen. Has to be an Alpine Linux MUSL LibC weirdness :


         ==> COMPILING "OBJ/aarch64-linux-gcc/snprintf.o"
In file included from /usr/include/fortify/unistd.h:26,
                  from ../include/schily/unistd.h:45,
                  from snprintf.c:21:
/usr/include/fortify/stdio.h:114:1: error: 'snprintf' undeclared here 
(not in a function)
   114 | _FORTIFY_FN(snprintf) int snprintf(char *__s, size_t __n,
       | ^~~~~~~~~~~
In file included from ../include/schily/stdio.h:39,
                  from snprintf.c:22:
/usr/include/fortify/stdio.h:24:1: note: 'snprintf' is defined in header 
'<stdio.h>'; this is probably fixable by adding '#include <stdio.h>'
    23 | #include_next <stdio.h>
   +++ |+#include <stdio.h>
    24 |
/usr/include/fortify/stdio.h: In function 'snprintf':
/usr/include/fortify/stdio.h:122:16: error: called object 
'__orig_snprintf' is not a function or function pointer
   122 |         return __orig_snprintf(__s, __n, __f, 
__builtin_va_arg_pack());
       |                ^~~~~~~~~~~~~~~
/usr/include/fortify/stdio.h:114:1: note: declared here
   114 | _FORTIFY_FN(snprintf) int snprintf(char *__s, size_t __n,
       | ^~~~~~~~~~~
/usr/include/fortify/stdio.h: In function 'sprintf':
/usr/include/fortify/stdio.h:131:23: error: called object 
'__orig_snprintf' is not a function or function pointer
   131 |                 __r = __orig_snprintf(__s, __b, __f, 
__builtin_va_arg_pack());
       |                       ^~~~~~~~~~~~~~~
/usr/include/fortify/stdio.h:114:1: note: declared here
   114 | _FORTIFY_FN(snprintf) int snprintf(char *__s, size_t __n,
       | ^~~~~~~~~~~
smake: *** Code 1 (Operation not permitted) from command line for target 
'OBJ/aarch64-linux-gcc/snprintf.o'.
smake: The following command caused the error:
echo "  ==> COMPILING \"OBJ/aarch64-linux-gcc/snprintf.o\""; gcc    -O 
  -DSCHILY_BUILD -IOBJ/aarch64-linux-gcc -I../incs/aarch64-linux-gcc 
-I../include       -Istdio -DUSE_SCANSTACK  -DPORT_ONLY 
-DNO_GETLINE_COMPAT     -D_GNU_SOURCE   -c -o 
OBJ/aarch64-linux-gcc/snprintf.o snprintf.c
smake: Couldn't make 'all'.
smake: Leaving  '/root/schily-2024-03-21/./psmake/smake'[2] from 
directory '/root/schily-2024-03-21/libschily'
smake: Default commandline target: 'all'
smake: Doing                       exit(1)
smake: *** Code 1 (Operation not permitted) from command line for target 
'all'.
smake: The following command caused the error:
for MK in libschily.mk libschily_p.mk noshlschily.mk ; 
       \
         do                                                              \
                 (                                                       \
                 if [ -r ./$MK ] ; then                                  \
                         echo "  ==> MAKING \"all\" ON SUBCOMPONENT 
\"SRCROOT/libschily/$MK\""; "/root/schily-2024-03-21/./psmake/smake" -f 
$MK  XARCH=aarch64-linux-gcc all;\
                 else                                                    \
                         echo "NOTICE: Partial source 
(SRCROOT/libschily/$MK) missing";\
                 fi                                                      \
                 );                                                      \
         done
smake: Couldn't make 'all'.
smake: Leaving  '/root/schily-2024-03-21/./psmake/smake'[1] from 
directory '/root/schily-2024-03-21/libschily'
smake: Default commandline target: 'all'
smake: Doing                       exit(1)
smake: *** Code 1 (Operation not permitted) from command line for target 
'all'.
smake: The following command caused the error:
list="";                                                        \
         if [ -d TARGETS -a -f TARGETS/__slot ]; then 
        \
                 list=`echo TARGETS/[0123456789][0123456789]* | 
        \
                         sed -e 's;TARGETS/[0123456789][0123456789];;g' 
| sed -e 's;!@!;/;g'`;\
         fi; 
        \
         for DIR in ${list} ; 
        \
         do 
        \
                 ( 
        \
                 echo "  ==> MAKING \"all\" ON SUBDIRECTORY 
\"SRCROOT/$DIR\"";\
                 if [ -d ./$DIR -a -r ./$DIR/Makefile ] ; then 
        \
                         cd ./$DIR && 
"/root/schily-2024-03-21/./psmake/smake"  XARCH=aarch64-linux-gcc 
DIRNAME=SRCROOT/$DIR all;                \
                 else 
        \
                         echo "NOTICE: Partial source (SRCROOT/$DIR) 
missing";\
                 fi 
        \
                 ); 
        \
         done
smake: Couldn't make 'all'.
Command exited with non-zero status 1


Yep.


hermes#
hermes# uname -a
Linux hermes.bw.genunix.com 6.12.13-0-rpi #1-Alpine SMP PREEMPT Thu Feb 
13 22:15:47 UTC 2025 aarch64 Linux
hermes#
hermes# cat /proc/version
Linux version 6.12.13-0-rpi (buildozer at build-3-21-aarch64) (gcc (Alpine 
14.2.0) 14.2.0, GNU ld (GNU Binutils) 2.43.1) #1-Alpine SMP PREEMPT Thu 
Feb 13 22:15:47 UTC 2025
hermes#
hermes# gcc --version
gcc (Alpine 14.2.0) 14.2.0
Copyright (C) 2024 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

hermes#
hermes# ldd --version
musl libc (aarch64)
Version 1.2.5
Dynamic Program Loader
Usage: /lib/ld-musl-aarch64.so.1 [options] [--] pathname
hermes#

Weird.



-- 
--
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken