<![CDATA[向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除]]> http://www.jackxiang.com/index.php zh-cn http://www.jackxiang.com/post// <![CDATA[GCC编译命令出错 In function my_uncompress]]> jack <xdy108@126.com> Fri, 31 Dec 2010 16:24:03 +0000 http://www.jackxiang.com/post// gcc -g connect_db.c -L/usr/lib/mysql -lmysqlclient -lz

注意：
如果 /tmp/ccTGmMS21.o: In function 'main':
/tmp/ccTGmMS21.o(.text+0x11): undefined reference to 'mysql_init'
那么参数增加-L参数

如果 /usr/lib/mysql/libmysqlclient.a(my_compress.o): In function 'my_uncompress':
my_compress.o(.text+0xaa): undefined reference to `uncompress'
那么增加-lz参数

如下问题，也是加上-lz:
/usr/local/mysql/lib/mysql//libmysqlclient.a(my_compress.o): In function `my_uncompress':
my_compress.c:(.text+0x60): undefined reference to `uncompress'
/usr/local/mysql/lib/mysql//libmysqlclient.a(my_compress.o): In function `my_compress_alloc':
my_compress.c:(.text+0x102): undefined reference to `compress'
/usr/local/mysql/lib/mysql//libmysqlclient.a(my_compress.o): In function `my_compress':
my_compress.c:(.text+0x1ae): undefined reference to `compress'
/usr/local/mysql/lib/mysql//libmysqlclient.a(my_compress.o): In function `unpackfrm':
my_compress.c:(.text+0x2bc): undefined reference to `uncompress'
/usr/local/mysql/lib/mysql//libmysqlclient.a(my_compress.o): In function `packfrm':
my_compress.c:(.text+0x3bb): undefined reference to `compress'
collect2: ld returned 1 exit status

如下：
g++ -o out mysql_fetch_rows.cpp str.cpp str.h  -I/usr/local/mysql/include/mysql/ -L/usr/local/mysql/lib/mysql/  -lmysqlclient -lz
]]> http://www.jackxiang.com/post//#blogcomment <![CDATA[[评论] GCC编译命令出错 In function my_uncompress]]> <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 http://www.jackxiang.com/post//#blogcomment