ubuntu10.10下编译glibc

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原文地址::http://blog.lchx.me/index.php/ubuntu10-10%E4%B8%8B%E7%BC%96%E8%AF%91glibc/


目的很单纯,就是下一个glibc看看源码,学习学习。学习之前想编译一下,编译不过当然不爽。
分享一下,希望对同样目的单纯的人有所帮助。

glibc源码下载地址ftp://ftp.gnu.org/gnu/glibc/
一开始下载了glibc-2.9.tar.bz2

configure: error:
*** These critical programs are missing or too old: as ld
*** Check the INSTALL file for required versions.

出现这个错误,估计是和内核版本不匹配。
查看下系统使用的libc的版本号

~$ ls -l /lib/libc.so.6
lrwxrwxrwx 1 root root 14 2012-11-03 23:16 /lib/libc.so.6 -> libc-2.12.1.so

因为只是学习,版本不重要,就下了glibc-2.12.2。

然后解压到glibc-2.12.2目录。

~/glibc-2.12.2$ ./configure 
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for gcc... gcc
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
configure: error: you must configure in a separate build directory

glibc能直接在源码根目录下编译。

~$ mkdir glibc
~$ cd glibc
~/glibc$ ~/glibc-2.12.2/configure
*** On GNU/Linux systems the GNU C Library should not be installed into
*** /usr/local since this might make your system totally unusable.
*** We strongly advise to use a different prefix.  For details read the FAQ.
*** If you really mean to do this,run configure again using the extra
*** parameter `--disable-sanity-checks'.

不推荐安装到/usr/local,自己添加设在路径,这里需要使用绝对路径才行

~/glibc$ ~/glibc-2.12.2/configure --prefix=/home/lu_chengxiang/glibc
configure: creating ./config.status
config.status: creating config.make
config.status: creating Makefile
config.status: creating config.h
config.status: executing default commands
~/glibc$ make
make[1]: *** 没有规则可以创建“/home/lu_chengxiang/glibc/abi-versions.h”需要的目标
“/home/lu_chengxiang/glibc/Versions.all”。 停止。

又有 了个新问题,这是应为ubuntu默认装了mawk,只需安装gawk就可一解决

~/glibc$ sudo apt-get install gawk
~/glibc$ make
../sysdeps/i386/fpu/s_frexp.S: Assembler messages:
../sysdeps/i386/fpu/s_frexp.S:66: Error: invalid identifier for ".ifdef"
../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line,first unrecognized
 character is `1'
../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line,first unrecognized
 character is `1'
../sysdeps/i386/fpu/s_frexp.S:66: Error: Missing symbol name in directive
../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line,first unrecognized
 character is `.'
../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line,first unrecognized
 character is `1'
../sysdeps/i386/fpu/s_frexp.S:66: Error: expected comma after name `' in .size
 directive
../sysdeps/i386/fpu/s_frexp.S:66: Error: ".endif" without ".if"
../sysdeps/i386/fpu/s_frexp.S:66: Error: junk `.get_pc_thunk.dx' after expression

这个错误不解释,解释不了。修改两个文件就行了
加号表示添加该行代码

~/glibc$ vim ../glibc-2.12.2/sysdeps/unix/sysv/linux/i386/sysdep.h
/* There is some commonality.  */
#include <sysdeps/unix/i386/sysdep.h>
#include 
#include 
/* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO.  */
#include 
#include 

+#if defined __i686 && defined __ASSEMBLER__
+#undef __i686
+#define __i686 __i686
+#endif
~/glibc$ vim ../glibc-2.12.2/nptl/sysdeps/pthread/pt-initfini.c
/* Embed an #include to pull in the alignment and .end directives. */
asm ("\n#include \"defs.h\"");

+asm ("\n#if defined __i686 && defined __ASSEMBLER__");
+asm ("\n#undef __i686");
+asm ("\n#define __i686 __i686");
+asm ("\n#endif");

/* The initial common code ends here. */
asm ("\n/*@HEADER_ENDS*/");
~/glibc$ make
In file included from ../sysdeps/unix/sysv/linux/syslog.c:10:
../misc/syslog.c: In function ‘__vsyslog_chk’:
../misc/syslog.c:123: sorry,unimplemented: inlining Failed in call to ‘syslog’
: function body not available
../misc/syslog.c:155: sorry,unimplemented: called from here

现实是残酷的,又出错了。
解决方法从网上查的,试了好多,终于找到可行的。
export CFLAGS="-O2 -U_FORTIFY_SOURCE -march=i686 -mtune=native -fno-stack-protector"

~/glibc$ ~/glibc-2.12.2/configure --prefix=/home/lu_chengxiang/glibc
~/glibc$ make

终于可以安心学习的。 还没出错的同志门可以直接执行紫色部分的命令,没装g++的先把g++装上,不然好像装不了的,我就不验证了。

原文链接:https://www.f2er.com/ubuntu/354458.html

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