Re: Problem compiling with MySql support

Alejandro Guerrieri wrote:

> Dear Stipe,
> 
> conftest.c:
> --
> #line 4467 "configure"
> #include "confdefs.h"
> /* Override any gcc2 internal prototype to avoid an error.  */
> /* We use char because int might match the return type of a gcc2
>     builtin and then its argument prototype would still apply.  */
> char mysql_init();
> 
> int main() {
> mysql_init()
> ; return 0; }
> --
> 
> First I ran a flat compile:
> 
> ]# gcc conftest.c
> /tmp/ccyfJ0bD.o(.text+0x11): In function `main':
> : undefined reference to `mysql_init'
> collect2: ld returned 1 exit status
> 
> (Silly me) I wasn't specifying the right libraries and paths. Then I've
> tried running it as config.log showed (I removed the redirector "1>&5" to
> get any output on the console).
> 
> gcc -o
> nftest  -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -I/usr/include/libxml2   -rdynamic
> conftest.c -lmysqlclient  -L'/usr/lib/mysql' -lmysqlclient -lz -lcrypt -lnsl
>  -lm  -lresolv -lnsl -lm  -lpthread -L/usr/lib -lxml2 -lz -lm
> 
> And it compiled perfectly. I then ran ./conftest and it executed and
> returned without complaining about anything (nor displaying anything).
> 
> Just for kicks, I've run ldd to find out the linkage:
> 
> ]# ldd conftest
>         libmysqlclient.so.10 => /usr/lib/mysql/libmysqlclient.so.10
> (0x4001e000)
>         libz.so.1 => /usr/lib/libz.so.1 (0x40056000)
>         libcrypt.so.1 => /lib/libcrypt.so.1 (0x40064000)
>         libnsl.so.1 => /lib/libnsl.so.1 (0x40091000)
>         libm.so.6 => /lib/tls/libm.so.6 (0x400a6000)
>         libresolv.so.2 => /lib/libresolv.so.2 (0x400c8000)
>         libpthread.so.0 => /lib/tls/libpthread.so.0 (0x400da000)
>         libxml2.so.2 => /usr/lib/libxml2.so.2 (0x400e9000)
>         libc.so.6 => /lib/tls/libc.so.6 (0x42000000)
>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
> 
> I am also including my gcc/ld versions, just in case:
> 
> ]# gcc -v
> Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/specs
> Configured with:
> ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info
>  --enable-shared --enable-threads=posix --disable-checking --with-system-zli
> b --enable-__cxa_atexit --host=i386-redhat-linux
> Thread model: posix
> gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
> 
> ]# ld -v
> GNU ld version 2.13.90.0.18 20030206

hmmmmmm, sorry, that's all I could offer from remote.

Everything looks fine from here.

I guess you should try to dig into the configure[.in] process yourself 
or consult one of your local gurus.

Stipe

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