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sr #110200: locale.c: build fails on uclibc without wchar

Submitter:  None
Submitted:  Sun 23 Feb 2020 11:47:10 AM UTC
Category:  None Priority:  5 - Normal
Severity:  4 - Important Status:  Done
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  GNU/Linux
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Sun 23 Feb 2020 11:47:10 AM UTC, original submission:  

bash unconditionally builds locale.c which depends on mblen since version 5.0 and

This results in the following build failure if wchar is not available:

/home/buildroot/autobuild/run/instance-0/output-1/host/bin/microblazeel-buildroot-linux-uclibc-gcc -L./builtins -L/home/buildroot/autobuild/run/instance-0/output-1/host/microblazeel-buildroot-linux-uclibc/sysroot/lib -L/home/buildroot/autobuild/run/instance-0/output-1/host/microblazeel-buildroot-linux-uclibc/sysroot/lib -L./lib/glob -L./lib/tilde  -L./lib/sh  -rdynamic -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2   -Wno-parentheses -Wno-format-security   -o bash shell.o eval.o general.o make_cmd.o print_cmd.o  dispose_cmd.o execute_cmd.o variables.o copy_cmd.o error.o expr.o flags.o jobs.o subst.o hashcmd.o hashlib.o mailcheck.o trap.o input.o unwind_prot.o pathexp.o sig.o test.o version.o alias.o array.o arrayfunc.o assoc.o braces.o bracecomp.o bashhist.o bashline.o  list.o stringlib.o locale.o findcmd.o redir.o pcomplete.o pcomplib.o syntax.o xmalloc.o signames.o -lbuiltins -lglob -lsh -lreadline -lhistory -lcurses -ltilde     -ldl
/home/buildroot/autobuild/run/instance-0/output-1/host/lib/gcc/microblazeel-buildroot-linux-uclibc/8.3.0/../../../../microblazeel-buildroot-linux-uclibc/bin/ld: locale.o: in function `set_default_locale':
(.text+0x260): undefined reference to `mblen'

To fix this issue, don't use mblen if HANDLE_MULTIBYTE is not defined, an other possibility would be to use MBLEN wrapper defined in shmbutil.h

More information can be found here:



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  • -email is unavailable- added by chet (Updated the item)
  • -email is unavailable- added by None (Submitted the item)

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-02-24 chet StatusNone Done
    2020-02-23 None Attached File- Added 0002-locale.c-fix-build-without-wchar.patch, #48478

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