Dear All ! My name is DHHong and I'm Korean. I tried to install PHP on UNIX (SunOS 5.6 Generic_105181-26 sun4u sparc SUNW,Ultra-2), I got the error message like below. Please give me some help to solve this problem. Thanks in advance. regards, Dhhong. ------------------------------------------------------------------------------------------- [anamapps2:/usr/local/php-4.0.6]#./configure --with-mysql --with-apache=../apache_1.3.x --enable-track-vars loading cache ./config.cache checking for a BSD compatible install... ./install-sh -c checking whether build environment is sane... yes checking whether make sets ${MAKE}... yes checking for working aclocal... missing checking for working autoconf... missing checking for working automake... missing checking for working autoheader... missing checking for working makeinfo... missing checking whether to enable maintainer-specific portions of Makefiles... no checking host system type... sparc-sun-solaris2.6 checking for gawk... no checking for mawk... no checking for nawk... nawk checking for bison... no checking for byacc... no configure: warning: You will need bison if you want to regenerate the PHP parsers. checking for gcc... gcc checking whether the C compiler (gcc ) works... yes checking whether the C compiler (gcc ) is a cross-compiler... no checking whether we are using GNU C... yes checking whether gcc accepts -g... yes checking how to run the C preprocessor... gcc -E checking for AIX... no checking for gcc option to accept ANSI C... none needed checking for ranlib... : checking whether gcc and cc understand -c and -o together... yes checking whether ln -s works... yes checking for flex... lex checking for yywrap in -ll... yes checking lex output file root... ./configure: lex: not found configure: error: cannot find output from lex; giving up ------------------------------------------------------------------------------------------- -- PHP Install Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]