statically linking libmysqlclient ubuntu 12.04 32bits - hyperlink

Question

I am using XAMPP and tried with a clean install of Ubuntu 12.04 in a VM, the results are the same.
The program bellow compile and link easily with:
gcc c_mysql.c -l mysqlclient -o c_mysql
That is, produces the default dynamically liked program.
But getting a statically linked program is not so easy:
I tried successively the following ways after extensive googling. Any help will be
really appreciated:
1) gcc c_mysql1.c libmysqlclient.a -o c_mysql
[Library libmysqlclient.a not found]
2) gcc c_mysql1.c /usr/lib/i386-linux-gnu/libmysqlclient.a -o c_mysql
[Many undefined references]
3) gcc c_mysql1.c /usr/lib/i386-linux-gnu/libmysqlclient.a /usr/lib/i386-linux-gnu/libdl.a
[Many but less undefined references]
4) gcc c_mysql1.c /usr/lib/i386-linux-gnu/libmysqlclient.a /usr/lib/i386-linux-gnu/libdl.a -lpthread -lz -o c_mysql
[The minimum undefined references I could get]
/usr/lib/i386-linux-gnu/libmysqlclient.a(client_plugin.c.o): In function `mysql_load_plugin_v':
(.text+0x524): warning: Using 'dlopen' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x42): undefined reference to `pow'
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x50): undefined reference to `log'
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x62): undefined reference to `pow'
/usr/lib/i386-linux-gnu/libdl.a(dlopen.o): In function `dlopen':
(.text+0x1b): undefined reference to `__dlopen'
/usr/lib/i386-linux-gnu/libdl.a(dlclose.o): In function `dlclose':
(.text+0x1): undefined reference to `__dlclose'
/usr/lib/i386-linux-gnu/libdl.a(dlsym.o): In function `dlsym':
(.text+0x1b): undefined reference to `__dlsym'
/usr/lib/i386-linux-gnu/libdl.a(dlerror.o): In function `dlerror':
(.text+0x1): undefined reference to `__dlerror'
collect2: ld returned 1 exit status
-static makes many more undefined references (-static-libgcc is even worst).
/usr/lib/i386-linux-gnu/libmysqlclient.a(client_plugin.c.o): In function `mysql_load_plugin_v':
(.text+0x524): warning: Using 'dlopen' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(mf_pack.c.o): In function `unpack_dirname':
(.text+0x653): warning: Using 'getpwnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(libmysql.c.o): In function `read_user_name':
(.text+0x2a91): warning: Using 'getpwuid' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(mf_pack.c.o): In function `unpack_dirname':
(.text+0x667): warning: Using 'endpwent' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(client.c.o): In function `mysql_real_connect':
(.text+0x47b6): warning: Using 'getaddrinfo' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(libmysql.c.o): In function `mysql_server_init':
(.text+0x27fa): warning: Using 'getservbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x42): undefined reference to `pow'
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x50): undefined reference to `log'
/usr/lib/i386-linux-gnu/libmysqlclient.a(dh.cpp.o): In function `TaoCrypt::DH::GeneratePrivate(TaoCrypt::RandomNumberGenerator&, unsigned char*)':
(.text+0x62): undefined reference to `pow'
/usr/lib/i386-linux-gnu/libmysqlclient.a(my_compress.c.o): In function `my_compress_alloc':
(.text+0x68): undefined reference to `compress'
/usr/lib/i386-linux-gnu/libmysqlclient.a(my_compress.c.o): In function `my_uncompress':
(.text+0x1cf): undefined reference to `uncompress'
collect2: ld returned 1 exit status
#include <mysql/mysql.h>
#include <stdio.h>
#include <string.h>
#include <pthread.h>
int main()
{
MYSQL mysql;
MYSQL_RES *res;
MYSQL_ROW row;
char *query = "select * from dbtablename;";
int t,r;
mysql_init(&mysql);
//if(!mysql_real_connect(&mysql,"localhost", "dbusername", "dbpassword", "dbname", port, NULL, 0)) The connection data is fake. If you, for a big miracle make it compile statically, the program will not connect.
if(!mysql_real_connect(&mysql,"192.231.182.73","PinData","YULYU7M", "DB084", 0, NULL, 0)){
printf("Error connecting to database:%s\n",mysql_error(&mysql));
}
else{
printf("Connected to the remote database........");
}
t=mysql_query(&mysql,query);
if(t)
{
printf("Error making query:%s\n",mysql_error(&mysql));
}
else
{
printf("Query made ....\n");
res = mysql_use_result(&mysql);
if(res)
{
for(r=0;r<=mysql_field_count(&mysql);r++)
{
row = mysql_fetch_row(res);
if(row<0) break;
for(t=0;t<mysql_num_fields(res);t++)
printf("%s ",row[t]);
printf("\n");
}
}
mysql_free_result(res);
}
mysql_close(&mysql);
return 0;
}

Answer 1

After many trial and error and google search, the answer is: To statically link libmysqlclient you have to use the following options:
-lpthread -lm -lz -ldl
This makes the linker find on some libraries.
That is:
gcc -static-libgcc c_mysql1.c /usr/lib/i386-linux-gnu/libmysqlclient.a -lpthread -lm -lz -ldl -o c_mysql
However the general question is still open: Given a static library StaticLib, how to know in advance which options and libraries to use.
I can not believe the answer would be " trial and error and google search"