- Let's add the config.m4 file too :-)

ext/mysqli/config.m4

@@ -0,0 +1,58 @@
+dnl $Id$
+dnl config.m4 for extension mysqli
+
+dnl Comments in this file start with the string 'dnl'.
+dnl Remove where necessary. This file will not work
+dnl without editing.
+
+dnl If your extension references something external, use with:
+
+PHP_ARG_WITH(mysqli, for mysqli support,
+[  --with-mysqli[=DIR]          Include mysqli support])
+
+if test "$PHP_MYSQLI" != "no"; then
+
+  SEARCH_PATH="/usr/local /usr"     # you might want to change this
+  if test -r $PHP_MYSQLI/; then # path given as parameter
+    SEARCH_PATH=$PHP_MYSQLI
+  else
+    AC_MSG_CHECKING([for mysqli files in default path])
+  fi
+
+  for i in $SEARCH_PATH ; do
+    if test -r $i/include/mysql/mysql.h; then
+      MYSQLI_DIR=$i/lib/mysql
+      MYSQLI_INC_DIR=$i/include/mysql
+      AC_MSG_RESULT(found in $i)
+    elif test -r $i/include/mysql.h; then
+      MYSQLI_DIR=$i/lib
+      MYSQLI_INC_DIR=$i/include
+      AC_MSG_RESULT(found in $i)
+    fi
+  done
+  
+  if test -z "$MYSQLI_DIR"; then
+    AC_MSG_RESULT([not found])
+    AC_MSG_ERROR([Please reinstall the mysqli distribution])
+  fi
+
+  # --with-mysqli -> add include path
+  PHP_ADD_INCLUDE($MYSQLI_INC_DIR)
+
+  # --with-mysqli -> check for lib and symbol presence
+  LIBNAME=mysqlclient 
+  LIBSYMBOL=mysql_bind_param
+
+  PHP_CHECK_LIBRARY($LIBNAME,$LIBSYMBOL,
+  [
+    PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $MYSQLI_DIR, MYSQLI_SHARED_LIBADD)
+    AC_DEFINE(HAVE_MYSQLILIB,1,[ ])
+  ],[
+    AC_MSG_ERROR([wrong mysql library version or lib not found])
+  ],[
+    -L$MYSQLI_DIR -lm -ldl
+  ])
+  PHP_SUBST(MYSQLI_SHARED_LIBADD)
+
+  PHP_NEW_EXTENSION(mysqli, mysqli.c mysqli_api.c mysqli_nonapi.c mysqli_fe.c, $ext_shared)
+fi