Added Pi3Web support

sapi/pi3web/Makefile.in

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+
+LTLIBRARY_NAME    = libsapi.la
+LTLIBRARY_SOURCES = pi3web_sapi.c
+
+include $(top_srcdir)/build/ltlib.mk

sapi/pi3web/README

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+PHP4 Module
+==========
+This module requires PHP4 as thread safe shared library. Have a look
+into the INSTALL file which accompanies that distribution.
+
+If you distribute this software bundled with the PHP software in source
+or binary form, then you must adhere to the PHP copyright conditions -
+the terms are reasonable.
+
+You should have checked out and built the PHP4 source package from the
+PHP CVS tree into the Pi3Web source directory called 'PHP4' first. Then
+build PHP4 as Pi3Web module and after that build the Pi3Web PHP4 wrapper:
+
+1. Checkout PHP4
+================
+cvs -d :pserver:cvsread@cvs.php.net:/repository login
+The required password is phpfi
+
+cvs -z3 -d :pserver:cvsread@cvs.php.net:/repository co php4
+
+You must also checkout the TSRM and the ZEND module from the ZEND cvs tree
+into the PHP4 root directory
+
+cvs -d :pserver:cvsread@cvs.zend.com:/repository login
+The required password is zend
+
+cvs -z3 -d :pserver:cvsread@cvs.zend.com:/repository co Zend TSRM
+
+2. Build PHP4 
+=============
+2.1 POSIX
+---------
+cd ./php4
+./buildconf
+./configure --with-pi3web
+make
+
+2.2 Win32
+---------
+other required downloads from the php website
+  - bison 1.25
+  - bindlib32
+  - number4.tar.gz
+nmake php4dllts.mak
+
+3. Build Pi3Web PHP4 wrapper
+============================
+Run make in the Pi3Web /Source/PHP4 directory.
+
+For further information refer to http://www.php.net/version4/

sapi/pi3web/config.m4

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+RESULT=no
+AC_MSG_CHECKING(for Pi3Web Support)
+AC_ARG_WITH(pi3web,
+[  --with-pi3web=DIR         Build PHP as an module for use with Pi3Web.],
+[
+	if test "$withval" = "yes"; then
+		PI3PATH=../.. # the default
+	else
+		PI3PATH=$withval
+	fi
+	pwd
+	test -f "$PI3PATH/PiAPI/PiAPI.h" || AC_MSG_ERROR(Unable to find PiAPI.h in $PI3PATH/PiAPI)
+	PHP_BUILD_THREAD_SAFE
+	AC_DEFINE(WITH_PI3WEB,1,[ ])
+	AC_ADD_INCLUDE($PI3PATH/PiAPI)
+	AC_ADD_INCLUDE($PI3PATH/Pi2API)
+	AC_ADD_INCLUDE($PI3PATH/Pi3API)
+	AC_ADD_INCLUDE($PI3PATH/PHP4)
+	PHP_SAPI=pi3web
+	PHP_BUILD_SHARED
+	INSTALL_IT="\$(SHELL) \$(srcdir)/install-sh -m 0755 $SAPI_SHARED $PI3PATH/bin/"
+	RESULT=yes
+])
+AC_MSG_RESULT($RESULT)
+
+dnl ## Local Variables:
+dnl ## tab-width: 4
+dnl ## End: