Unable to build yelp

[Stephen Grant]

I did:

port -v install gnome

and it got to here and barfed:

--->  Configuring yelp
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... ./install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of  
Makefiles... no
checking for style of include used by make... GNU
checking for gcc... /usr/bin/gcc-4.0
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 /usr/bin/gcc-4.0 accepts -g... yes
checking for /usr/bin/gcc-4.0 option to accept ISO C89... none needed
checking dependency style of /usr/bin/gcc-4.0... gcc3
checking for intltool >= 0.35.0... 0.40.6 found
checking for intltool-update... /opt/local/bin/intltool-update
checking for intltool-merge... /opt/local/bin/intltool-merge
checking for intltool-extract... /opt/local/bin/intltool-extract
checking for xgettext... /opt/local/bin/xgettext
checking for msgmerge... /opt/local/bin/msgmerge
checking for msgfmt... /opt/local/bin/msgfmt
checking for perl... /opt/local/bin/perl
checking for XML::Parser... ok
checking for gconftool-2... /opt/local/bin/gconftool-2
Using config source xml:merged:/opt/local/etc/gconf/gconf.xml.defaults  
for schema installation
Using $(sysconfdir)/gconf/schemas as install directory for schema files
checking whether ln -s works... yes
checking for gcc... (cached) /usr/bin/gcc-4.0
checking whether we are using the GNU C compiler... (cached) yes
checking whether /usr/bin/gcc-4.0 accepts -g... (cached) yes
checking for /usr/bin/gcc-4.0 option to accept ISO C89... (cached)  
none needed
checking dependency style of /usr/bin/gcc-4.0... (cached) gcc3
checking whether we are using the GNU C++ compiler... yes
checking whether /usr/bin/g++-4.0 accepts -g... yes
checking dependency style of /usr/bin/g++-4.0... gcc3
checking for gcc... (cached) /usr/bin/gcc-4.0
checking whether we are using the GNU C compiler... (cached) yes
checking whether /usr/bin/gcc-4.0 accepts -g... (cached) yes
checking for /usr/bin/gcc-4.0 option to accept ISO C89... (cached)  
none needed
checking dependency style of /usr/bin/gcc-4.0... (cached) gcc3
checking for library containing strerror... none required
checking how to run the C preprocessor... /usr/bin/cpp-4.0
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking build system type... i386-apple-darwin9.6.1
checking host system type... i386-apple-darwin9.6.1
checking for a sed that does not truncate output... /usr/bin/sed
checking for ld used by /usr/bin/gcc-4.0... /usr/libexec/gcc/i686- 
apple-darwin9/4.0.1/ld
checking if the linker (/usr/libexec/gcc/i686-apple-darwin9/4.0.1/ld)  
is GNU ld... no
checking for /usr/libexec/gcc/i686-apple-darwin9/4.0.1/ld option to  
reload object files... -r
checking for BSD-compatible nm... /usr/bin/nm -p
checking how to recognize dependent libraries... pass_all
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking how to run the C++ preprocessor... /usr/bin/g++-4.0 -E
checking for g77... no
checking for xlf... no
checking for f77... no
checking for frt... no
checking for pgf77... no
checking for cf77... no
checking for fort77... no
checking for fl32... no
checking for af77... no
checking for xlf90... no
checking for f90... no
checking for pgf90... no
checking for pghpf... no
checking for epcf90... no
checking for gfortran... no
checking for g95... no
checking for xlf95... no
checking for f95... no
checking for fort... no
checking for ifort... no
checking for ifc... no
checking for efc... no
checking for pgf95... no
checking for lf95... no
checking for ftn... no
checking whether we are using the GNU Fortran 77 compiler... no
checking whether  accepts -g... no
checking the maximum length of command line arguments... 196608
checking command to parse /usr/bin/nm -p output from /usr/bin/gcc-4.0  
object... ok
checking for objdir... .libs
checking for ar... ar
checking for ranlib... ranlib
checking for strip... strip
checking for dsymutil... dsymutil
checking for nmedit... nmedit
checking for -single_module linker flag... yes
checking for -exported_symbols_list linker flag... yes
checking if /usr/bin/gcc-4.0 supports -fno-rtti -fno-exceptions... no
checking for /usr/bin/gcc-4.0 option to produce PIC... -fno-common
checking if /usr/bin/gcc-4.0 PIC flag -fno-common works... yes
checking if /usr/bin/gcc-4.0 static flag -static works... no
checking if /usr/bin/gcc-4.0 supports -c -o file.o... yes
checking whether the /usr/bin/gcc-4.0 linker (/usr/libexec/gcc/i686- 
apple-darwin9/4.0.1/ld) supports shared libraries... yes
checking dynamic linker characteristics... darwin9.6.1 dyld
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by /usr/bin/g++-4.0... /usr/libexec/gcc/i686- 
apple-darwin9/4.0.1/ld
checking if the linker (/usr/libexec/gcc/i686-apple-darwin9/4.0.1/ld)  
is GNU ld... no
checking whether the /usr/bin/g++-4.0 linker (/usr/libexec/gcc/i686- 
apple-darwin9/4.0.1/ld) supports shared libraries... yes
checking for /usr/bin/g++-4.0 option to produce PIC... -fno-common
checking if /usr/bin/g++-4.0 PIC flag -fno-common works... yes
checking if /usr/bin/g++-4.0 static flag -static works... no
checking if /usr/bin/g++-4.0 supports -c -o file.o... yes
checking whether the /usr/bin/g++-4.0 linker (/usr/libexec/gcc/i686- 
apple-darwin9/4.0.1/ld) supports shared libraries... yes
checking dynamic linker characteristics... darwin9.6.1 dyld
(cached) (cached) checking how to hardcode library paths into  
programs... immediate
appending configuration tag "F77" to libtool
checking for pkg-config... /opt/local/bin/pkg-config
checking pkg-config is at least version 0.16... yes
checking for GLIB - version >= 2.0.0... yes (version 2.20.0)
checking whether /usr/bin/gcc-4.0 and cc understand -c and -o  
together... yes
checking whether gcc understands -Wno-sign-compare... yes
checking what warning flags to pass to the C compiler... -Wall - 
Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-sign-compare
checking what language compliance flags to pass to the C compiler...
checking what warning flags to pass to the C++ compiler... -Wall -Wno- 
unused
checking what language compliance flags to pass to the C++ compiler...
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for LC_MESSAGES... yes
checking libintl.h usability... yes
checking libintl.h presence... yes
checking for libintl.h... yes
checking for ngettext in libc... no
checking for bindtextdomain in -lintl... yes
checking for ngettext in -lintl... yes
checking for dgettext in -lintl... yes
checking for bind_textdomain_codeset... yes
checking for msgfmt... (cached) /opt/local/bin/msgfmt
checking for dcgettext... yes
checking if msgfmt accepts -c... yes
checking for gmsgfmt... /opt/local/bin/msgfmt
checking for xgettext... (cached) /opt/local/bin/xgettext
checking for YELP... yes
checking for gsed... /usr/bin/sed
checking for X... libraries /usr/X11/lib, headers /usr/X11/include
checking whether -R must be followed by a space... no
checking for gethostbyname... yes
checking for connect... yes
checking for remove... yes
checking for shmat... yes
checking for IceConnectionNumber in -lICE... yes
checking for YELP_SEARCH... no
checking for gzopen in -lz... yes
checking for lzmadec_open in -llzmadec... no
checking for bzread in -lbz2... no
checking for BZ2_bzread in -lbz2... yes
checking for gawk... (cached) awk
checking which gecko to use... firefox
checking manual gecko home set... Package firefox was not found in the  
pkg-config search path.
Perhaps you should add the directory containing `firefox.pc'
to the PKG_CONFIG_PATH environment variable
No package 'firefox' found
Package firefox-unstable was not found in the pkg-config search path.
Perhaps you should add the directory containing `firefox-unstable.pc'
to the PKG_CONFIG_PATH environment variable
No package 'firefox-unstable' found
checking for compiler -fshort-wchar option... yes
checking whether to enable C++ RTTI... no
checking whether we have a gtk 2 gecko build... configure: error: This  
program needs a gtk 2 gecko build
Error: Target org.macports.configure returned: configure failure:  
shell command " cd "/opt/local/var/macports/build/ 
_opt_local_var_macports_sources_rsync 
.macports.org_release_ports_gnome_yelp/work/yelp-2.24.0" && ./ 
configure --prefix=/opt/local --with-gecko=firefox " returned error 1
Command output: checking if msgfmt accepts -c... yes
checking for gmsgfmt... /opt/local/bin/msgfmt
checking for xgettext... (cached) /opt/local/bin/xgettext
checking for YELP... yes
checking for gsed... /usr/bin/sed
checking for X... libraries /usr/X11/lib, headers /usr/X11/include
checking whether -R must be followed by a space... no
checking for gethostbyname... yes
checking for connect... yes
checking for remove... yes
checking for shmat... yes
checking for IceConnectionNumber in -lICE... yes
checking for YELP_SEARCH... no
checking for gzopen in -lz... yes
checking for lzmadec_open in -llzmadec... no
checking for bzread in -lbz2... no
checking for BZ2_bzread in -lbz2... yes
checking for gawk... (cached) awk
checking which gecko to use... firefox
checking manual gecko home set... Package firefox was not found in the  
pkg-config search path.
Perhaps you should add the directory containing `firefox.pc'
to the PKG_CONFIG_PATH environment variable
No package 'firefox' found
Package firefox-unstable was not found in the pkg-config search path.
Perhaps you should add the directory containing `firefox-unstable.pc'
to the PKG_CONFIG_PATH environment variable
No package 'firefox-unstable' found
checking for compiler -fshort-wchar option... yes
checking whether to enable C++ RTTI... no
checking whether we have a gtk 2 gecko build... configure: error: This  
program needs a gtk 2 gecko build

Warning: the following items did not execute (for yelp):  
org.macports.activate org.macports.configure org.macports.build  
org.macports.destroot org.macports.install
Error: The following dependencies failed to build: gnome-desktop-suite  
yelp zenity
Error: Status 1 encountered during processing.

Any ideas?

Thanks.

Steve Grant