[root@INTELLIGENT-ROBOT apache_1.3.27]# ./configure --prefix=/usr/local/apache --activate-module=src/modules/php4/libphp4.a --enable-rule=SHARED_CORE --enable-module=so --enable-shared=max
Configuring for Apache, Version 1.3.27
+ using installation path layout: Apache (config.layout)
+ activated php4 module (modules/php4/libphp4.a)
Creating Makefile
Creating Configuration.apaci in src
Creating Makefile in src
+ configured for Linux platform
+ setting C compiler to gcc
+ setting C pre-processor to gcc -E
+ checking for system header files
+ adding selected modules
    o php4_module uses ConfigStart/End
+ using system Expat
+ enabling generation of Apache core as DSO
+ using -ldl for vendor DSO support
+ checking sizeof various data types
+ doing sanity check on compiler and options
** A test compilation with your Makefile configuration
** failed.  The below error output from the compilation
** test will give you an idea what is failing. Note that
** Apache requires an ANSI C Compiler, such as gcc.

======== Error Output for sanity check ========
cd ..; gcc  -DLINUX=22 -fpic -DSHARED_CORE `./apaci`     -o helpers/dummy helpers/dummy.c   -Wl,-rpath,/usr/local/mysql/lib/mysql  -rdynamic -L/usr/local/mysql/lib/mysql -Lmodules/php4 -L../modules/php4 -L../../modules/php4 -lmodphp4    -rdynamic -L/usr/local/mysql/lib/mysql -lcrypt   -lcrypt -lmysqlclient -lz -lresolv
-lm -ldl -lnsl  -lcrypt -lcrypt   -lm -lcrypt -lexpat -ldl
/usr/bin/ld: cannot find -lmodphp4
collect2: ld returned 1 exit status
make: *** [dummy] Error 1
============= End of Error Report =============

Aborting!
[root@INTELLIGENT-ROBOT apache_1.3.27]#