install php4-problems!

Hi everybody, Please help!!!! I am trying to install PHP4.0.2 on Suse Linux 6.4 with server Apache 1.3.12.This is what I am getting: linux:~/Desktop/php-4.0.2 # ./configure --prefix=/usr/local/php --with-config-file-path=/usr/sbin/apxs --enable-track-vars --enable-magic-quotes --enable-debugger loading cache ./config.cache checking for a BSD compatible install... /usr/bin/ginstall -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... found checking whether to enable maintainer-specific portions of Makefiles... no checking host system type... i686-pc-linux-gnu checking for gawk... gawk 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... ranlib checking whether gcc and cc understand -c and -o together... yes checking whether ln -s works... yes checking for flex... no checking for lex... no ./configure: flex: command not found checking for flex... lex checking for yywrap in -ll... no checking lex output file root... ./configure: lex: command not found configure: error: cannot find output from lex; giving up linux:~/Desktop/php-4.0.2 # make make: *** No targets specified and no makefile found. Stop. I would greatly appreciate your help. Regards, Bassem Abi-Farah __________________________________________________ Do You Yahoo!? Yahoo! Photos - 35mm Quality Prints, Now Get 15 Free! http://photos.yahoo.com/