Re: [devel] Re: как правильно слинковать динамическую библиотеку

["Dmitry V. Levin" <ldv@altlinux.org>]

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On Wed, Dec 25, 2002 at 08:51:34PM +0300, Alexey Tourbin wrote:
> > Если существует реальное использование этой библиотеки без задействования
> > dlopen(3), то не стоит; если не существует, то нужно добавить.
> 
> $ echo "main(){}" > ldtest.c
> $ gcc ldtest.c -llua -llualib
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `log'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `sqrt'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `ceil'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `floor'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `dlclose'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `fmod'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `cos'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `sin'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `atan2'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `dlopen'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `pow'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `log10'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `dlsym'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `exp'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `tan'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `atan'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `asin'
> /usr/lib/gcc-lib/i586-alt-linux/2.96/../../../liblualib.so: undefined reference to `acos'
> collect2: ld returned 1 exit status
> $
> 
> Т.е. с liblua.so всё нормально, а к liblualib.so нужно ещё -lm -ldl?

Исходя из вышеприведенного, да.


--
ldv

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