chintu@linux-e8lx:~/jhbuild> cd ..
chintu@linux-e8lx:~>  export PKG_CONFIG_PATH=/home/chintu/mbe/lib/pkgconfig:/home/chintu/mbe/share/pkgconfig
chintu@linux-e8lx:~> cd jhbuild
chintu@linux-e8lx:~/jhbuild> ./autogen.sh
/opt/gnome/bin/gnome-autogen.sh
checking for autoconf >= 2.57...
  testing autoconf2.50... not found.
  testing autoconf... found 2.59
checking for automake >= 1.8...
  testing automake-1.8... found 1.8
checking for gnome-doc-utils >= 0.3.2...
  testing gnome-doc-prepare... found 0.5.3
checking for gnome-common >= 2.3.0...
  testing gnome-doc-common... found 2.12.0
Checking for required M4 macros...
Checking for forbidden M4 macros...
**Warning**: I am going to run `configure' with no arguments.
If you wish to pass any to it, please specify them on the
`/opt/gnome/bin/gnome-autogen.sh' command line.

Processing ./configure.ac
Running gnome-doc-common...
Running gnome-doc-prepare...
You should update your 'aclocal.m4' by running aclocal.
Running aclocal-1.8...
Running autoconf...
Running automake-1.8...
INSTALL INSTALL.autogen_bak differ: byte 1, line 1
Running ./configure --enable-maintainer-mode ...
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... yes
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 style of include used by make... GNU
checking dependency style of gcc... none
./configure: line 2836: PKG_PROG_PKG_CONFIG: command not found
./configure: line 2865: syntax error near unexpected token `GDU_MODULE_VERSION_CHECK,gnome-doc-utils'
./configure: line 2865: `  PKG_CHECK_MODULES(GDU_MODULE_VERSION_CHECK,gnome-doc-utils >= $GDU_REQUIRED_VERSION)'

Note that autotools are only required to build documentation;
type make -f Makefile.plain to build or install JHBuild without
the documentation
chintu@linux-e8lx:~/jhbuild>