交叉编译 make出错 -Wendif-labels

zrgay

1. 第一步解压后configure的时候没出错。
   
2. [root@localhost pbc-0.5.12]# CC=arm-linux-gcc ./configure -host=arm-linux --prefix=/usr/local/arm
   
3. configure: WARNING: if you wanted to set the --build type, don't use --host.
   
4.   If a cross compiler is detected then cross compile mode will be used
   
5. checking for a BSD-compatible install... /usr/bin/install -c
   
6. checking whether build environment is sane... yes
   
7. checking for arm-linux-strip... arm-linux-strip
   
8. checking for a thread-safe mkdir -p... /bin/mkdir -p
   
9. checking for gawk... gawk
   
10. checking for suffix of object files... o
    
11. checking whether we are using the GNU C compiler... yes
    
12. checking whether arm-linux-gcc accepts -g... yes
    
13. checking for unistd.h... yes
    
14. checking for dlfcn.h... yes
    
15. checking for objdir... .libs
    
16. checking if arm-linux-gcc supports -fno-rtti -fno-exceptions... yes
    
17. checking for arm-linux-gcc option to produce PIC... -fPIC -DPIC
    
18. checking if arm-linux-gcc PIC flag -fPIC -DPIC works... yes
    
19. checking whether arm-linux-gcc accepts -g... (cached) yes
    
20. global build variables
    
21. ...
    
22. -----------------------------------------
    
23. Tue Oct 11 13:56:18 CST 2011
    
24. host info: arm-unknown-linux-gnu
    
25. optimized build: no
    
26. LDFLAGS:   
    
27. CPPFLAGS:   
    
28. CFLAGS: -Wall -W -Wfloat-equal -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wredundant-decls -Wendif-labels -Wshadow -pipe -ffast-math -U__STRICT_ANSI__ -std=gnu99 -g -O2
    
29. -----------------------------------------
    
30. 第二步我make，结果就出错了
    
31. [root@localhost pbc-0.5.12]# make
    
32. make all-recursive
    
33. make[1]: 进入目录"root/pbc-0.5.12"
    
34. Making all in .
    
35. make[2]: 进入目录"root/pbc-0.5.12"
    
36. /bin/sh ./libtool --tag=CC --mode=compile arm-linux-gcc -DHAVE_CONFIG_H -I. -Iinclude -Wall -W -Wfloat-equal -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wredundant-decls -Wendif-labels -Wshadow -pipe -ffast-math -U__STRICT_ANSI__ -std=gnu99 -g -O2 -MT libpbc_la-field.lo -MD -MP -MF .deps/libpbc_la-field.Tpo -c -o libpbc_la-field.lo `test -f 'arith/field.c' || echo './'`arith/field.c
    
37. libtool: compile: arm-linux-gcc -DHAVE_CONFIG_H -I. -Iinclude -Wall -W -Wfloat-equal -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wredundant-decls -Wendif-labels -Wshadow -pipe -ffast-math -U__STRICT_ANSI__ -std=gnu99 -g -O2 -MT libpbc_la-field.lo -MD -MP -MF .deps/libpbc_la-field.Tpo -c arith/field.c -fPIC -DPIC -o .libs/libpbc_la-field.o
    
38. cc1: unrecognized option `-Wendif-labels'
    
39. make[2]: *** [libpbc_la-field.lo] 错误 1
    
40. make[2]:离开目录"root/pbc-0.5.12"
    
41. make[1]: *** [all-recursive] 错误 1
    
42. make[1]: 离开目录"root/pbc-0.5.12"
    
43. make: *** [all] 错误 2
    

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cc1: unrecognized option `-Wendif-labels'
这个错误是因为什么？