UPDATED - 1.23.0, with a minor tweak to the text thanks to the anon poster on the original post.

Getting fish working with Leopard was a bit trickier than expected as MacPorts is still having a few issues with the switch, hopefully this explanation will help anyone else that wishes to use it.

First, install Macports 1.6.0 for 10.5 which can be found on the MacPorts website. Then:

$ sudo rm /opt/local/bin/ginstall

$ sudo ln -s /usr/bin/install /opt/local/bin/ginstall

Various modifications to the Portfile are required to get the latest fish and to make this build with Macports. The Portfile can be found in fish Portfile /opt/local/var/macports/sources/rsync.macports.org/release/ports/shells/fish/Portfile.

First I removed the line:

    depends_buildbin:doxygen:doxygen

This makes the build a whole lot faster (with the downside that help no longer works, but wget can easily fix that issue - the documentation is on the fish website).

This requires that the line:

        reinplace "s|LDFLAGS= |LDFLAGS= -liconv |g" "${worksrcpath}/Makefile"

is replaced by the following two lines:

        reinplace "s|LDFLAGS = |LDFLAGS = -liconv |g" "${worksrcpath}/Makefile"

        reinplace "s|all: \$\(PROGRAMS\) user_doc|all: \$\(PROGRAMS\) |" "${worksrcpath}/Makefile"

Now change the following line:

    platform darwin 8 {

to:

    platform darwin 9 {

And:

    version                 1.22.3

to:

    version                 1.23.0

And:

    checksums               md5 016a5944861ea48e363521c240834415

to:

    checksums               md5 aa2f09bb54652b16bf4f7708848a7416

Finally, start the install:

$ sudo port install fish

And enjoy.