new file mode 100644
--- /dev/null
+++ b/src/core/ngx_config.h
@@ -0,0 +1,131 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_CONFIG_H_INCLUDED_
+#define _NGX_CONFIG_H_INCLUDED_
+
+
+#if defined __DragonFly__ && !defined __FreeBSD__
+#define __FreeBSD__        4
+#define __FreeBSD_version  480101
+#endif
+
+
+#if defined __FreeBSD__
+#include <ngx_freebsd_config.h>
+
+
+#elif defined __linux__
+#include <ngx_linux_config.h>
+
+
+       /* Solaris */
+#elif defined sun && (defined __svr4__ || defined __SVR4)
+#include <ngx_solaris_config.h>
+
+
+#elif defined _WIN32
+#include <ngx_win32_config.h>
+
+
+#else /* posix */
+#include <ngx_posix_config.h>
+
+#endif
+
+
+#if !(WIN32)
+
+#define ngx_signal_helper(n)     SIG##n
+#define ngx_signal_value(n)      ngx_signal_helper(n)
+
+/* TODO: #ifndef */
+#define NGX_SHUTDOWN_SIGNAL      QUIT
+#define NGX_TERMINATE_SIGNAL     TERM
+#define NGX_NOACCEPT_SIGNAL      WINCH
+#define NGX_RECONFIGURE_SIGNAL   HUP
+
+#if (NGX_LINUXTHREADS)
+#define NGX_REOPEN_SIGNAL        INFO
+#define NGX_CHANGEBIN_SIGNAL     XCPU
+#else
+#define NGX_REOPEN_SIGNAL        USR1
+#define NGX_CHANGEBIN_SIGNAL     USR2
+#endif
+
+#endif
+
+
+
+/* TODO: platform specific: array[NGX_INVALID_ARRAY_INDEX] must cause SIGSEGV */
+#define NGX_INVALID_ARRAY_INDEX 0x80000000
+
+
+#if 1
+/* STUB: autoconf */
+typedef int                ngx_int_t;
+typedef u_int              ngx_uint_t;
+typedef int                ngx_flag_t;
+#define NGX_INT_T_LEN      sizeof("-2147483648") - 1
+#define NGX_INT_T_FMT      "d"
+#define NGX_UINT_T_FMT     "u"
+
+#else
+
+typedef long               ngx_int_t;
+typedef u_long             ngx_uint_t;
+typedef long               ngx_flag_t;
+#define NGX_INT_T_LEN      sizeof("-9223372036854775808") - 1
+#define NGX_INT_T_FMT      "lld"
+#define NGX_UINT_T_FMT     "llu"
+
+#endif
+
+/* TODO: auto */
+#define NGX_INT32_LEN      sizeof("-2147483648") - 1
+#define NGX_INT64_LEN      sizeof("-9223372036854775808") - 1
+#define NGX_OFF_T_LEN      sizeof("-9223372036854775808") - 1
+
+
+#if (SOLARIS)
+
+/* TODO: auto_conf */
+#define NGX_ALIGN       (_MAX_ALIGNMENT - 1)         /* platform word */
+#define NGX_ALIGN_CAST  (unsigned long)              /* size of the pointer */
+
+#else
+
+/* TODO: auto_conf */
+#define NGX_ALIGN       (sizeof(unsigned long) - 1)  /* platform word */
+#define NGX_ALIGN_CAST  (unsigned long)              /* size of the pointer */
+
+#endif
+
+#define ngx_align(p)    (char *) ((NGX_ALIGN_CAST p + NGX_ALIGN) & ~NGX_ALIGN)
+
+
+/* TODO: auto_conf: ngx_inline   inline __inline __inline__ */
+#ifndef ngx_inline
+#define ngx_inline   inline
+#endif
+
+#define NGX_ACCEPT_THRESHOLD   100
+
+#ifndef INADDR_NONE  /* Solaris */
+#define INADDR_NONE  ((unsigned int) -1)
+#endif
+
+#ifndef INET_ADDRSTRLEN  /* Win32 */
+#define INET_ADDRSTRLEN  16
+#endif
+
+#define NGX_MAXHOSTNAMELEN 64
+/*
+#define NGX_MAXHOSTNAMELEN MAXHOSTNAMELEN
+*/
+
+
+#endif /* _NGX_CONFIG_H_INCLUDED_ */