I hope this info is useful... # ./configure checking build system type... hppa1.1-hp-hpux11.11 checking host system type... hppa1.1-hp-hpux11.11 checking which template to use... hpux checking whether to build with 64-bit integer date/time support... no checking whether to build with recode support... no checking whether NLS is wanted... no checking for default port number... 5432 checking for default soft limit on number of connections... 32 checking for gcc... no checking for cc... cc checking for C compiler default output... 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 cc accepts -g... yes configure: using CFLAGS=-O2 checking whether the C compiler still works... yes checking how to run the C preprocessor... cc -E checking whether to build with Tcl... no checking whether to build with Tk... no checking whether to build Perl modules... no checking whether to build Python modules... no checking whether to build Java/JDBC tools... no checking whether to build with Kerberos 4 support... no checking whether to build with Kerberos 5 support... no checking whether to build with PAM support... no configure: using CPPFLAGS= configure: using LDFLAGS= checking for gawk... no checking for mawk... no checking for nawk... no checking for awk... awk checking for flex... no configure: WARNING: <---------------------------------------------------------------installed *** Without Flex you will not be able to build PostgreSQL from CVS or *** change any of the scanner definition files. You can obtain Flex from *** a GNU mirror site. (If you are using the official distribution of *** PostgreSQL then you do not need to worry about this because the Flex *** output is pre-generated.) checking whether ln -s works... yes checking for ld used by GCC... /usr/ccs/bin/ld checking if the linker (/usr/ccs/bin/ld) is GNU ld... no checking for ranlib... ranlib checking for lorder... lorder checking for tar... /usr/bin/tar checking for strip... strip checking whether it is possible to strip libraries... no checking for bison... no configure: WARNING: <--------------------------------------------------------------installed *** Without Bison you will not be able to build PostgreSQL from CVS or *** change any of the parser definition files. You can obtain Bison from *** a GNU mirror site. (If you are using the official distribution of *** PostgreSQL then you do not need to worry about this because the Bison *** output is pre-generated.) To use a different yacc program (possible, *** but not recommended), set the environment variable YACC before running *** 'configure'. checking for perl... /usr/bin/perl checking for main in -lbsd... no checking for setproctitle in -lutil... no checking for main in -lm... yes checking for main in -ldl... no checking for main in -lnsl... yes checking for main in -lsocket... no checking for main in -lipc... no checking for main in -lIPC... no checking for main in -llc... no checking for main in -ldld... yes checking for main in -lld... no checking for main in -lcompat... no checking for main in -lBSD... yes checking for main in -lgen... yes checking for main in -lPW... yes checking for main in -lresolv... no checking for library containing getopt_long... no checking for main in -lunix... no checking for library containing crypt... none required checking for __inet_ntoa in -lbind... no checking for library containing fdatasync... none required checking for shmget in -lcygipc... no checking for readline... no configure: error: readline library not found <-------------------------------------installed If you have readline already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-readline to disable readline support. --------------------------------------------------------------------------------------------------------- bison 1.875 bison flex 2.5.4.2000-03-01 Flex (a superset of lex) vrl 1.3 vrl Bison, FLex, and Readline are all installed; But as the configure output shows, it cannot find them... Is there something I need to do to my environment to fix this. --------------------------------------------------------------------------------------------------------- If I run "./configure --without-readline" I get the error: checking types of arguments for accept()... configure: error: could not determine argument types This is an HPUX workstation with the latest patches, running 11.11 # ll /usr/bin/cc total 0 lrwxr-x--- 1 root sys 18 Sep 12 10:50 /usr/bin/cc@ -> /usr/local/bin/gcc* # ll /usr/bin/make total 0 lrwxr-x--- 1 root sys 19 Sep 12 10:50 /usr/bin/make@ -> /usr/local/bin/make* # java -version java version "1.3.1.01-release" Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1.01-release-010816-12:37) Java HotSpot(TM) Server VM (build 1.3.1 1.3.1.01-release-010816-11:04-PA_RISC1.1 PA1.1, mixed mode)