编译zlib-1.2.3出错

SG 2015-10-21 03:49:30

编译器路径是：



[griffin@buildserver2 zlib-1.2.8]$ ls /usr/local/ecos20/gnutools/mipsisa32-elf/bin/

mipsisa32-elf-addr2line  mipsisa32-elf-as   mipsisa32-elf-c++filt  mipsisa32-elf-g++  mipsisa32-elf-gccbug  mipsisa32-elf-ld  mipsisa32-elf-objcopy  mipsisa32-elf-ranlib   mipsisa32-elf-size     mipsisa32-elf-strip

mipsisa32-elf-ar         mipsisa32-elf-c++  mipsisa32-elf-cpp      mipsisa32-elf-gcc  mipsisa32-elf-gcov    mipsisa32-elf-nm  mipsisa32-elf-objdump  mipsisa32-elf-readelf  mipsisa32-elf-strings  ProgramStore

[griffin@buildserver2 zlib-1.2.8]$

出错LOG 如下：



/usr/local/ecos20/gnutools/mipsisa32-elf/bin/mipsisa32-elf-ar rc libz.a adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o 

/usr/local/ecos20/gnutools/mipsisa32-elf/bin/mipsisa32-elf-gcc -O3 -DUSE_MMAP -o example example.o -L. libz.a

/usr/local/ecos20/gnutools/mipsisa32-elf/bin/../lib/gcc-lib/mipsisa32-elf/3.2.1/../../../../mipsisa32-elf/bin/ld: warning: cannot find entry symbol _start; defaulting to 000000000040003c

example.o: In function `test_compress':

example.o(.text+0x2c): undefined reference to `strlen'

example.o(.text+0xa0): undefined reference to `strcmp'

example.o(.text+0xb8): undefined reference to `printf'

我的Makefile 如下：



CROSS_COMPILE=/usr/local/ecos20/gnutools/mipsisa32-elf/bin/mipsisa32-elf-



CC=$(CROSS_COMPILE)gcc



CFLAGS=-O3 -DUSE_MMAP

#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7

#CFLAGS=-g -DDEBUG

#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \

#           -Wstrict-prototypes -Wmissing-prototypes



LDFLAGS=-L. libz.a

LDSHARED=$(CROSS_COMPILE)gcc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map 

CPP=$(CROSS_COMPILE)gcc -E



LIBS=libz.a

SHAREDLIB=libz.so

SHAREDLIBV=libz.so.1.2.3

SHAREDLIBM=libz.so.1



AR=$(CROSS_COMPILE)ar rc

RANLIB=$(CROSS_COMPILE)ranlib

TAR=tar

SHELL=/bin/sh

EXE=



prefix =/home/griffin/Lab2/SFTP/install/zlib-1.2.3

exec_prefix =${prefix}

libdir =${exec_prefix}/lib

includedir =${prefix}/include

mandir =${prefix}/share/man

man3dir = ${mandir}/man3



OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \

       zutil.o inflate.o infback.o inftrees.o inffast.o



OBJA =

# to use the asm code: make OBJA=match.o