Error build libmng

[Zio Ciano]

I have build mozilla and the dipendency libmng output this error:

Makefile.am:12: to `configure.in' and run `aclocal' and `autoconf'
again.
building configure script
configure.in:8: error: possibly undefined macro: AM_INIT_AUTOMAKE
      If this token and others are legitimate, please use
m4_pattern_allow.
      See the Autoconf documentation.
configure.in:17: error: possibly undefined macro: AM_C_PROTOTYPES
configure.in:21: error: possibly undefined macro: AM_PROG_LIBTOOL
./configure: line 1306: syntax error near unexpected token `libmng,'
./configure: line 1306: `AM_INIT_AUTOMAKE(libmng, 1.0.6)'
Creating /var/log/lunar/compile/libmng-1.0.6.bz2 
! Problem detected during BUILD

Someone  to help me.
Tanks.

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Zio Ciano                |
Mail: ziociano at ntol.it   |
(o_   LC: 297601         |
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