gistfile1.txt

bash-3.2$ brew install -v fish
[snip]
./configure --prefix=/usr/local/Cellar/fish/1.23.1 --without-xsel
checking if autoconf needs to be run... no
checking if autoheader needs to be run... no
checking for /usr/pkg/include include directory... no
checking for /usr/pkg/lib library directory... no
checking for /usr/pkg/bin command directory... no
checking for /sw/include include directory... no
checking for /sw/lib library directory... no
checking for /sw/bin command directory... no
checking for /opt/include include directory... no
checking for /opt/lib library directory... no
checking for /opt/bin command directory... no
checking for /opt/local/include include directory... no
checking for /opt/local/lib library directory... no
checking for /opt/local/bin command directory... no
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/cc accepts -g... yes
checking for /usr/bin/cc option to accept ISO C89... none needed
checking how to run the C preprocessor... /usr/bin/cc -E
checking for a BSD-compatible install... /usr/bin/install -c
checking for seq... seq
checking if -std=c99 works... yes
checking if we are compiling against glibc... no
checking build system type... i386-apple-darwin10.4.0
checking host system type... i386-apple-darwin10.4.0
checking target system type... i386-apple-darwin10.4.0
checking if we are under Solaris... no
checking if we are using non varargs tparm.... no
checking if we are under BSD... no
checking for /proc/self/stat... no
checking for library containing connect... none required
checking for library containing nanosleep... none required
checking for library containing setupterm... -lncurses
checking for library containing nan... none required
checking for library containing gettext... no
checking for library containing iconv_open... no
checking for library containing libiconv_open... -liconv
checking for library containing gettext... (cached) no
checking for library containing gettext... (cached) no
checking for library containing iconv_open... (cached) no
configure: error: Could not find an iconv implementation, needed to build fish
Exit status: 1
[snip]