[root@mythtv src]# sh autogen.sh
Generating build information using aclocal and autoconf...
autogen.sh: line 6: aclocal: command not found
configure.in:30: error: possibly undefined macro: AC_MSG_ERROR
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure.in:71: error: possibly undefined macro: AM_PATH_SDL
configure.in:74: error: possibly undefined macro: AM_PATH_ZLIB
configure.in:79: error: possibly undefined macro: AM_PATH_LIBPNG
configure.in:162: error: possibly undefined macro: AM_ARCH_DETECT
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for nasm... nasm
./configure: line 2943: syntax error near unexpected token `1.2.0,,AC_MSG_ERROR'
./configure: line 2943: `AM_PATH_SDL(1.2.0,,AC_MSG_ERROR(SDL >= 1.2.0 is required))'