[Bug 1939] New: strverscmp failure
bugzilla at busybox.net
bugzilla at busybox.net
Thu Jun 3 16:33:15 UTC 2010
https://bugs.busybox.net/show_bug.cgi?id=1939
Summary: strverscmp failure
Product: uClibc
Version: 0.9.31
Platform: Other
OS/Version: Linux
Status: NEW
Severity: minor
Priority: P5
Component: Shared Library Support
AssignedTo: unassigned at uclibc.org
ReportedBy: dugulengwuxue at gmail.com
CC: uclibc-cvs at uclibc.org
Estimated Hours: 0.0
When I build the cross tool for arm based on buildroot-2010.05 with
uClibc-0.9.31, which can build successfully.
But when I try to use this cross compiler to compile some program such as
tree-1.5.2, which will call strverscmp(), it will failure when do link:
arm-linux-gcc -O2 -Wall -fomit-frame-pointer -D__USE_GNU -DLINUX
-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -c -o tree.o tree.c
tree.c: In function 'main':
tree.c:507: warning: pointer targets in passing argument 1 of 'printit' differ
in signedness
tree.c: In function 'listdir':
tree.c:759: warning: pointer targets in passing argument 1 of 'printit' differ
in signedness
tree.c:772: warning: pointer targets in passing argument 1 of 'printit' differ
in signedness
tree.c: In function 'printit':
tree.c:1234: warning: pointer targets in passing argument 1 of 'strlen' differ
in signedness
tree.c:1235: warning: pointer targets in passing argument 2 of 'mbstowcs'
differ in signedness
arm-linux-gcc -static -L/opt/buildroot-2010.05/staging/usr/lib -lc -o tree
tree.o
tree.o: In function `versort':
tree.c:(.text+0x2160): undefined reference to `strverscmp'
collect2: ld returned 1 exit status
make: *** [tree] Error 1
I try modify head file uClibc-0.9.31/include/features.h and add __USE_GNU
defined in it, and rebuild the cross compiler, it failure again.
Then I use arm-linux-objdump -x uClibc-0.9.31/lib/libc.a, I can find
strverscmp() is defined in the static library, but why does the cross compiler
can not find and link it?
strverscmp.os: file format elf32-littlearm
rw-r--r-- 0/0 1280 Jun 3 22:45 2010 strverscmp.os
architecture: arm, flags 0x00000011:
HAS_RELOC, HAS_SYMS
start address 0x00000000
private flags = 4000000: [Version4 EABI]
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 0000010c 00000000 00000000 00000034 2**2
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
1 .data 00000000 00000000 00000000 00000140 2**0
CONTENTS, ALLOC, LOAD, DATA
2 .bss 00000000 00000000 00000000 00000140 2**0
ALLOC
3 .rodata 0000004c 00000000 00000000 00000140 2**0
CONTENTS, ALLOC, LOAD, READONLY, DATA
4 .note.GNU-stack 00000000 00000000 00000000 0000018c 2**0
CONTENTS, READONLY
5 .ARM.attributes 00000031 00000000 00000000 0000018c 2**0
CONTENTS, READONLY
SYMBOL TABLE:
00000000 l df *ABS* 00000000 strverscmp.c
00000000 l d .text 00000000 .text
00000000 l d .data 00000000 .data
00000000 l d .bss 00000000 .bss
0000003c l O .rodata 00000010 next_state.1574
00000000 l O .rodata 0000003c result_type.1575
00000000 l d .rodata 00000000 .rodata
00000000 l d .note.GNU-stack 00000000 .note.GNU-stack
00000000 l d .ARM.attributes 00000000 .ARM.attributes
00000000 g F .text 0000010c .hidden __GI_strverscmp
00000000 *UND* 00000000 _GLOBAL_OFFSET_TABLE_
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