As item 4.2 in the FAQ states, configure only supports being told the location of the top level apache dir.  But when apache is built using shadow dirs (as in apache/src.sun4u-sun-solaris2.260 configure cannot handle it).

The following patch modifies configure.in (for the APACI case only - sorry) to first check if the withval was actually a src dir and if so use it.

Oh and I just noticed that php does not handle being built in a separate dir.

--sjg

*** configure.in.~1~    Mon Jul 20 07:55:47 1998
--- configure.in        Tue Jul 28 09:56:33 1998
***************
*** 213,221 ****
          withval=/usr/local/etc/httpd
        fi
        if test "$withval" != "no"; then
!         if test -f $withval/src/include/httpd.h; then
!           APACHE_INCLUDE="-I$withval/src/include -I$withval/src/os/unix"
!           APACHE_TARGET=$withval/src/modules/php3
                if test ! -d $APACHE_TARGET; then
                        mkdir $APACHE_TARGET
                fi
--- 213,228 ----
          withval=/usr/local/etc/httpd
        fi
        if test "$withval" != "no"; then
!               x=`dirname $withval`
!               if test -f $x/src/include/httpd.h; then
!                               withval_src=$withval
!                               withval=$x
!               else
!                               withval_src=$withval/src
!               fi
!         if test -f $withval_src/include/httpd.h; then
!           APACHE_INCLUDE="-I$withval_src/include -I$withval_src/os/unix"
!           APACHE_TARGET=$withval_src/modules/php3
                if test ! -d $APACHE_TARGET; then
                        mkdir $APACHE_TARGET
                fi
***************
*** 228,249 ****
            AC_DEFINE(APACHE)
            AC_MSG_RESULT(yes - Shared Apache 1.3.x)
                STRONGHOLD=
!               if test -f $withval/src/include/ap_config.h; then
                AC_DEFINE(HAVE_AP_CONFIG_H)
                fi
!               if test -f $withval/src/include/ap_compat.h; then
                AC_DEFINE(HAVE_AP_COMPAT_H)
!               if test ! -f $withval/src/include/ap_config_auto.h; then
        AC_MSG_ERROR(Please run Apache's configure or src/Configure program once and try again)
                fi
                else
!               if test -f $withval/src/include/compat.h; then
                AC_DEFINE(HAVE_OLD_COMPAT_H)
                fi
                fi
        else
            AC_MSG_RESULT(no)
!           AC_MSG_ERROR(Invalid Apache directory - unable to find httpd.h under $withval/src/include)
          fi
        fi
        AC_SUBST(APACHE_INCLUDE)
--- 235,256 ----
            AC_DEFINE(APACHE)
            AC_MSG_RESULT(yes - Shared Apache 1.3.x)
                STRONGHOLD=
!               if test -f $withval_src/include/ap_config.h; then
                AC_DEFINE(HAVE_AP_CONFIG_H)
                fi
!               if test -f $withval_src/include/ap_compat.h; then
                AC_DEFINE(HAVE_AP_COMPAT_H)
!               if test ! -f $withval_src/include/ap_config_auto.h; then
        AC_MSG_ERROR(Please run Apache's configure or src/Configure program once and try again)
                fi
                else
!               if test -f $withval_src/include/compat.h; then
                AC_DEFINE(HAVE_OLD_COMPAT_H)
                fi
                fi
        else
            AC_MSG_RESULT(no)
!           AC_MSG_ERROR(Invalid Apache directory - unable to find httpd.h under $withval_src/include)
          fi
        fi
        AC_SUBST(APACHE_INCLUDE)