近期使用gdb调试分析mysql 8.0.18源码，发现gdb版本过低，无法有效跟踪mysql 8.0.18源码。另外，当时为了编译安装mysql 8.0.18源码，升级了默认的gcc版本到gcc 8.3.1。由此可见，gcc与gdb版本之间兼容依赖关系。

已安装textinfo-6.6.tar.gz

http://ftp.gnu.org/gnu/gdb/

[root@mysql8018 gdb_dir]# tar zxvf gdb-8.3.1.tar.gz

[root@mysql8018 local]# cd /gdb_dir/

[root@mysql8018 gdb_dir]# ll

总用量 37244

drwxr-xr-x. 17 root root 4096 12月 3 22:44 gdb-8.3.1

-rw-r--r--. 1 root root 38130999 12月 3 22:28 gdb-8.3.1.tar.gz

[root@mysql8018 gdb-8.3.1]# export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mpc-1.1.0/lib:/usr/local/mpfr-3.1.2/lib:/usr/local/gmp-5.1.3/lib

[root@mysql8018 gdb-8.3.1]#

[root@mysql8018 gdb-8.3.1]# locate textinfo|grep -i --color /bin

/textinfo_dir/texinfo-6.6/tp/maintain/lib/libintl-perl/sample/simplecal/bin

/textinfo_dir/texinfo-6.6/tp/maintain/lib/libintl-perl/sample/simplecal/bin/simplecal.pl

/usr/local/textinfo-6.6/bin

[root@mysql8018 gdb-8.3.1]# export PATH=$PATH:/usr/local/textinfo-6.6/bin

[root@mysql8018 gdb-8.3.1]#

[root@mysql8018 gdb-8.3.1]# ./configure --prefix=/usr/local/gdb-8.3.1

[root@mysql8018 gdb-8.3.1]# make

[root@mysql8018 gdb-8.3.1]# make install

[root@mysql8018 ~]# /usr/local/gdb-8.3.1/bin/gdb --version

GNU gdb (GDB) 8.3.1

Copyright (C) 2019 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.