./configure output:
--- CUT ---
checking for crypt in -lcrypt... (cached) yes
checking whether SSL libraries are needed for c-client... /usr/lib
checking whether IMAP works... yes
checking for Informix support... no
checking for Ingres II support... no
checking for InterBase support... yes
checking for IRCG support... yes
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags
--ldflags./configure: line 37434: 13399 Broken pipe             $IRCG_CONFIG --ldflags
configure: error: I cannot run the ircg-config script which should have been installed by IRCG. Please ensure that the script is in your PATH or point --with-ircg-config to the path of the script.
--END
-- commandline --./configure --with-servlet --with-zlib --enable-bcmath --with-bz2 --enable-calendar --with-jpeg-dir --with-tiff-dir --with-db --enable-dba --with-gdbm --with-ndbmf --with-flatfile --enable-dbase --enable-dbx --enable-dio --with-dom --with-zlib-dir --with-dom-xslt --with-dom-exslt --enable-exif --enable-filepro --enable-ftp --with-gd --with-jpeg-dir --with-png-dir --with-zlib-dir --with-xpm-dir --with-ttf --with-freetype-dir --with-t1lib --enable-gd-native-ttf  --with-gettext --with-hyperwave  --with-iconv --with-imap --with-imap-ssl --with-interbase --with-ircg  --with-ircg-config --with-java --with-ldap --enable-mbstring --enable-mbregex --with-mcal --with-mcrypt --with-mcve --with-mhash --enable-mime-magic --with-ming --with-mnogosearch --with-msession --with-msql --with-mssql --with-mysql --with-mysql-sock --with-zlib-dir --with-ncurses --with-oci8 --with-adabas --with-sapdb --with-solid --with-ibm-db2 --with-empress --with-empress-bcs --with-birdstep --with-custom-odbc --with-iodbc --with-esoob --with-unixODBC --with-openlink --with-dbmaker --with-oracle --disable-overload --with-ovrimos --enable-pcntl  --with-pdflib --with-jpeg-dir --with-png-dir --with-zlib-dir --with-tiff-dir --with-pfpro --with-pgsql --with-pspell --with-qtdom --with-libedit --with-readline --with-recode --with-mm --enable-shmop --with-snmp --enable-ucd-snmp-hack --enable-sockets --with-regex --with-swf --with-sybase --with-sybase-ct --enable-sysvmsg --enable-sysvsem --enable-sysvshm --enable-wddx --with-expat-dir --with-xmlrpc --with-expat-dir --with-iconv-dir --enable-xslt --with-expat-dir --with-xslt-sablot --with-iconv-dir --with-sablot-js --with-yaz --enable-yp --with-zip