Knot:
In order to use MySQL in the C ++ project created under codeblocks, I worked so hard for half an afternoon that I finally breathed a sigh of relief and completed the compilation.
Many of them succeeded in repeated failures several times. A taste of being an individual is only an impulse to make me feel overwhelmed.
However, the problem is still solved after all.
While the unforgettable pain has not vanished, record the process as soon as possible. It takes a few hours to complete the task and is used as a backup.
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Record:
Configure the C ++ project under codeblocks for MySQL:
Goto project-> build options
A. compiler settings tab-> Other
Options: 'mysql _ config -- cflags'
B. linker settings tab-> Other
Options: 'mysql _ config -- libs'
To get codecompletion you probably need to add the include dir
Your project
C. search directories tab->
Compiler:/usr/include/MySQL |
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Problem:
To understand what mysql_config is?
After mysql_config is used, why is the lmysqlclient Parameter not required?
I found some descriptions of mysql_config with the problem. Reprinted as follows:
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Reprinted:
// Reprint the statement: the following text comes from: Java getting started training network
#
Mysql_config provides useful information about compiling MySQL clients and connecting them to MySQL.
Mysql_config supports the following options:
?
-- Cflags
The compiler flag is used to find include files and key compiler flags and definitions used to compile the libmysqlclient library.
?
-- Include
Compiler option, used to find MySQL contained files (Note: Normally, use "?" Cflags ).
?
-- Libmysqld-libs, --- embedded
The required libraries and options to connect to the MySQL Embedded Server.
?
-- Libs
The required libraries and options for connecting to the mysql client library.
?
-- Libs_r
The required libraries and options to link with the thread-safe MYSQL client library.
?
-- Port
The default TCP/IP Port number, which is defined when MySQL is configured.
?
-- Socket
The default UNIX socket file, which is defined when MySQL is configured.
?
-- Version
Version and MySQL distribution version.
If mysql_config is called without any options, a list of all options supported by mysql_config and their values are displayed:
Shell> mysql_config
Usage:
/Usr/local/MySQL/bin/mysql_config [Options]
Options:
-- Cflags
[-I/usr/local/MySQL/include/MySQL-mcpu = pentiumpro]
-- Include
[-I/usr/local/MySQL/include/MySQL]
-- Libs
[-L/usr/local/MySQL/lib/MySQL-lmysqlclient-LZ
-Lcrypt-lnsl-lm-L/usr/lib-lssl-lcrypto]
-- Libs_r
[-L/usr/local/MySQL/lib/MySQL-lmysqlclient_r
-Lpthread-LZ-lcrypt-lnsl-lm-lpthread]
-- Socket
[/Tmp/MySQL. Sock]
-- Port
[3306]
-- Version
[4.0.16]
-- Libmysqld-libs
[-L/usr/local/MySQL/lib/MySQL-lmysqld-lpthread-LZ
-Lcrypt-lnsl-lm-lpthread-LRT]
You can use mysql_config on the command line and include values for specific options. For example, to compile a mysql client program,
You can use mysql_config, as shown in the following example:
Shell>
CFG =/usr/local/MySQL/bin/mysql_config
Shell> Sh-c "gcc-O progname
'$ Cfg -- cflags' progname. c' $ cfg -- libs '"
When using mysql_config in this way, you must call it within the character.
In this way, the shell can be notified to execute it, and its output can be substituted into the Environment command.
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