/*
 * ----------------------------------------------------------------------------
 * nmakehlp.c --
 *
 *	This is used to fix limitations within nmake and the environment.
 *
 * Copyright (c) 2002 by David Gravereaux.
 * Copyright (c) 2006 by Pat Thoyts
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * ----------------------------------------------------------------------------
 * RCS: @(#) $Id: nmakehlp.c,v 1.2 2009/01/22 14:36:58 patthoyts Exp $
 * ----------------------------------------------------------------------------
 */

#define _CRT_SECURE_NO_DEPRECATE
#include <windows.h>
#define NO_SHLWAPI_GDI
#define NO_SHLWAPI_STREAM
#define NO_SHLWAPI_REG
#include <shlwapi.h>
#pragma comment (lib, "user32.lib")
#pragma comment (lib, "kernel32.lib")
#pragma comment (lib, "shlwapi.lib")
#include <stdio.h>
#include <math.h>

/*
 * This library is required for x64 builds with _some_ versions of MSVC
 */
#if defined(_M_IA64) || defined(_M_AMD64)
#if _MSC_VER >= 1400 && _MSC_VER < 1500
#pragma comment(lib, "bufferoverflowU")
#endif
#endif

/* ISO hack for dumb VC++ */
#ifdef _MSC_VER
#define   snprintf	_snprintf
#endif



/* protos */

int		CheckForCompilerFeature(const char *option);
int		CheckForLinkerFeature(const char *option);
int		IsIn(const char *string, const char *substring);
int		GrepForDefine(const char *file, const char *string);
int		SubstituteFile(const char *substs, const char *filename);
int		QualifyPath(const char *path);
const char *    GetVersionFromFile(const char *filename, const char *match);
DWORD WINAPI	ReadFromPipe(LPVOID args);

/* globals */

#define CHUNK	25
#define STATICBUFFERSIZE    1000
typedef struct {
    HANDLE pipe;
    char buffer[STATICBUFFERSIZE];
} pipeinfo;

pipeinfo Out = {INVALID_HANDLE_VALUE, '\0'};
pipeinfo Err = {INVALID_HANDLE_VALUE, '\0'};

/*
 * exitcodes: 0 == no, 1 == yes, 2 == error
 */

int
main(
    int argc,
    char *argv[])
{
    char msg[300];
    DWORD dwWritten;
    int chars;

    /*
     * Make sure children (cl.exe and link.exe) are kept quiet.
     */

    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);

    /*
     * Make sure the compiler and linker aren't effected by the outside world.
     */

    SetEnvironmentVariable("CL", "");
    SetEnvironmentVariable("LINK", "");

    if (argc > 1 && *argv[1] == '-') {
	switch (*(argv[1]+1)) {
	case 'c':
	    if (argc != 3) {
		chars = snprintf(msg, sizeof(msg) - 1,
		        "usage: %s -c <compiler option>\n"
			"Tests for whether cl.exe supports an option\n"
			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return CheckForCompilerFeature(argv[2]);
	case 'l':
	    if (argc != 3) {
		chars = snprintf(msg, sizeof(msg) - 1,
	       		"usage: %s -l <linker option>\n"
			"Tests for whether link.exe supports an option\n"
			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return CheckForLinkerFeature(argv[2]);
	case 'f':
	    if (argc == 2) {
		chars = snprintf(msg, sizeof(msg) - 1,
			"usage: %s -f <string> <substring>\n"
			"Find a substring within another\n"
			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    } else if (argc == 3) {
		/*
		 * If the string is blank, there is no match.
		 */

		return 0;
	    } else {
		return IsIn(argv[2], argv[3]);
	    }
	case 'g':
	    if (argc == 2) {
		chars = snprintf(msg, sizeof(msg) - 1,
			"usage: %s -g <file> <string>\n"
			"grep for a #define\n"
			"exitcodes: integer of the found string (no decimals)\n",
			argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return GrepForDefine(argv[2], argv[3]);
	case 's':
	    if (argc == 2) {
		chars = snprintf(msg, sizeof(msg) - 1,
			"usage: %s -s <substitutions file> <file>\n"
			"Perform a set of string map type substutitions on a file\n"
			"exitcodes: 0\n",
			argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return SubstituteFile(argv[2], argv[3]);
	case 'V':
	    if (argc != 4) {
		chars = snprintf(msg, sizeof(msg) - 1,
		    "usage: %s -V filename matchstring\n"
		    "Extract a version from a file:\n"
		    "eg: pkgIndex.tcl \"package ifneeded http\"",
		    argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
		    &dwWritten, NULL);
		return 0;
	    }
	    printf("%s\n", GetVersionFromFile(argv[2], argv[3]));
	    return 0;
	case 'Q':
	    if (argc != 3) {
		chars = snprintf(msg, sizeof(msg) - 1,
		    "usage: %s -q path\n"
		    "Emit the fully qualified path\n"
		    "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
		    &dwWritten, NULL);
		return 2;
	    }
	    return QualifyPath(argv[2]);
	}
    }
    chars = snprintf(msg, sizeof(msg) - 1,
	    "usage: %s -c|-l|-f|-g|-V|-s|-Q ...\n"
	    "This is a little helper app to equalize shell differences between WinNT and\n"
	    "Win9x and get nmake.exe to accomplish its job.\n",
	    argv[0]);
    WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
    return 2;
}

int
CheckForCompilerFeature(
    const char *option)
{
    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    SECURITY_ATTRIBUTES sa;
    DWORD threadID;
    char msg[300];
    BOOL ok;
    HANDLE hProcess, h, pipeThreads[2];
    char cmdline[100];

    hProcess = GetCurrentProcess();

    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
    ZeroMemory(&si, sizeof(STARTUPINFO));
    si.cb = sizeof(STARTUPINFO);
    si.dwFlags   = STARTF_USESTDHANDLES;
    si.hStdInput = INVALID_HANDLE_VALUE;

    ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES));
    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
    sa.lpSecurityDescriptor = NULL;
    sa.bInheritHandle = FALSE;

    /*
     * Create a non-inheritible pipe.
     */

    CreatePipe(&Out.pipe, &h, &sa, 0);

    /*
     * Dupe the write side, make it inheritible, and close the original.
     */

    DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE,
	    DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);

    /*
     * Same as above, but for the error side.
     */

    CreatePipe(&Err.pipe, &h, &sa, 0);
    DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE,
	    DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);

    /*
     * Base command line.
     */

    lstrcpy(cmdline, "cl.exe -nologo -c -TC -Zs -X -Fp.\\_junk.pch ");

    /*
     * Append our option for testing
     */

    lstrcat(cmdline, option);

    /*
     * Filename to compile, which exists, but is nothing and empty.
     */

    lstrcat(cmdline, " .\\nul");

    ok = CreateProcess(
	    NULL,	    /* Module name. */
	    cmdline,	    /* Command line. */
	    NULL,	    /* Process handle not inheritable. */
	    NULL,	    /* Thread handle not inheritable. */
	    TRUE,	    /* yes, inherit handles. */
	    DETACHED_PROCESS, /* No console for you. */
	    NULL,	    /* Use parent's environment block. */
	    NULL,	    /* Use parent's starting directory. */
	    &si,	    /* Pointer to STARTUPINFO structure. */
	    &pi);	    /* Pointer to PROCESS_INFORMATION structure. */

    if (!ok) {
	DWORD err = GetLastError();
	int chars = snprintf(msg, sizeof(msg) - 1,
		"Tried to launch: \"%s\", but got error [%u]: ", cmdline, err);

	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS|
		FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID)&msg[chars],
		(300-chars), 0);
	WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg,lstrlen(msg), &err,NULL);
	return 2;
    }

    /*
     * Close our references to the write handles that have now been inherited.
     */

    CloseHandle(si.hStdOutput);
    CloseHandle(si.hStdError);

    WaitForInputIdle(pi.hProcess, 5000);
    CloseHandle(pi.hThread);

    /*
     * Start the pipe reader threads.
     */

    pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID);
    pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID);

    /*
     * Block waiting for the process to end.
     */

    WaitForSingleObject(pi.hProcess, INFINITE);
    CloseHandle(pi.hProcess);

    /*
     * Wait for our pipe to get done reading, should it be a little slow.
     */

    WaitForMultipleObjects(2, pipeThreads, TRUE, 500);
    CloseHandle(pipeThreads[0]);
    CloseHandle(pipeThreads[1]);

    /*
     * Look for the commandline warning code in both streams.
     *  - in MSVC 6 & 7 we get D4002, in MSVC 8 we get D9002.
     */

    return !(strstr(Out.buffer, "D4002") != NULL
             || strstr(Err.buffer, "D4002") != NULL
             || strstr(Out.buffer, "D9002") != NULL
             || strstr(Err.buffer, "D9002") != NULL
             || strstr(Out.buffer, "D2021") != NULL
             || strstr(Err.buffer, "D2021") != NULL);
}

int
CheckForLinkerFeature(
    const char *option)
{
    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    SECURITY_ATTRIBUTES sa;
    DWORD threadID;
    char msg[300];
    BOOL ok;
    HANDLE hProcess, h, pipeThreads[2];
    char cmdline[100];

    hProcess = GetCurrentProcess();

    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
    ZeroMemory(&si, sizeof(STARTUPINFO));
    si.cb = sizeof(STARTUPINFO);
    si.dwFlags   = STARTF_USESTDHANDLES;
    si.hStdInput = INVALID_HANDLE_VALUE;

    ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES));
    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
    sa.lpSecurityDescriptor = NULL;
    sa.bInheritHandle = TRUE;

    /*
     * Create a non-inheritible pipe.
     */

    CreatePipe(&Out.pipe, &h, &sa, 0);

    /*
     * Dupe the write side, make it inheritible, and close the original.
     */

    DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE,
	    DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);

    /*
     * Same as above, but for the error side.
     */

    CreatePipe(&Err.pipe, &h, &sa, 0);
    DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE,
	    DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);

    /*
     * Base command line.
     */

    lstrcpy(cmdline, "link.exe -nologo ");

    /*
     * Append our option for testing.
     */

    lstrcat(cmdline, option);

    ok = CreateProcess(
	    NULL,	    /* Module name. */
	    cmdline,	    /* Command line. */
	    NULL,	    /* Process handle not inheritable. */
	    NULL,	    /* Thread handle not inheritable. */
	    TRUE,	    /* yes, inherit handles. */
	    DETACHED_PROCESS, /* No console for you. */
	    NULL,	    /* Use parent's environment block. */
	    NULL,	    /* Use parent's starting directory. */
	    &si,	    /* Pointer to STARTUPINFO structure. */
	    &pi);	    /* Pointer to PROCESS_INFORMATION structure. */

    if (!ok) {
	DWORD err = GetLastError();
	int chars = snprintf(msg, sizeof(msg) - 1,
		"Tried to launch: \"%s\", but got error [%u]: ", cmdline, err);

	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS|
		FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID)&msg[chars],
		(300-chars), 0);
	WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg,lstrlen(msg), &err,NULL);
	return 2;
    }

    /*
     * Close our references to the write handles that have now been inherited.
     */

    CloseHandle(si.hStdOutput);
    CloseHandle(si.hStdError);

    WaitForInputIdle(pi.hProcess, 5000);
    CloseHandle(pi.hThread);

    /*
     * Start the pipe reader threads.
     */

    pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID);
    pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID);

    /*
     * Block waiting for the process to end.
     */

    WaitForSingleObject(pi.hProcess, INFINITE);
    CloseHandle(pi.hProcess);

    /*
     * Wait for our pipe to get done reading, should it be a little slow.
     */

    WaitForMultipleObjects(2, pipeThreads, TRUE, 500);
    CloseHandle(pipeThreads[0]);
    CloseHandle(pipeThreads[1]);

    /*
     * Look for the commandline warning code in the stderr stream.
     */

    return !(strstr(Out.buffer, "LNK1117") != NULL ||
	    strstr(Err.buffer, "LNK1117") != NULL ||
	    strstr(Out.buffer, "LNK4044") != NULL ||
	    strstr(Err.buffer, "LNK4044") != NULL);
}

DWORD WINAPI
ReadFromPipe(
    LPVOID args)
{
    pipeinfo *pi = (pipeinfo *) args;
    char *lastBuf = pi->buffer;
    DWORD dwRead;
    BOOL ok;

  again:
    if (lastBuf - pi->buffer + CHUNK > STATICBUFFERSIZE) {
	CloseHandle(pi->pipe);
	return (DWORD)-1;
    }
    ok = ReadFile(pi->pipe, lastBuf, CHUNK, &dwRead, 0L);
    if (!ok || dwRead == 0) {
	CloseHandle(pi->pipe);
	return 0;
    }
    lastBuf += dwRead;
    goto again;

    return 0;  /* makes the compiler happy */
}

int
IsIn(
    const char *string,
    const char *substring)
{
    return (strstr(string, substring) != NULL);
}

/*
 * Find a specified #define by name.
 *
 * If the line is '#define TCL_VERSION "8.5"', it returns 85 as the result.
 */

int
GrepForDefine(
    const char *file,
    const char *string)
{
    char s1[51], s2[51], s3[51];
    FILE *f = fopen(file, "rt");

    if (f == NULL) {
	return 0;
    }

    do {
	int r = fscanf(f, "%50s", s1);

	if (r == 1 && !strcmp(s1, "#define")) {
	    /*
	     * Get next two words.
	     */

	    r = fscanf(f, "%50s %50s", s2, s3);
	    if (r != 2) {
		continue;
	    }

	    /*
	     * Is the first word what we're looking for?
	     */

	    if (!strcmp(s2, string)) {
		double d1;

		fclose(f);

		/*
		 * Add 1 past first double quote char. "8.5"
		 */

		d1 = atof(s3 + 1);		  /*    8.5  */
		while (floor(d1) != d1) {
		    d1 *= 10.0;
		}
		return ((int) d1);		  /*    85   */
	    }
	}
    } while (!feof(f));

    fclose(f);
    return 0;
}

/*
 * GetVersionFromFile --
 * 	Looks for a match string in a file and then returns the version
 * 	following the match where a version is anything acceptable to
 * 	package provide or package ifneeded.
 */

const char *
GetVersionFromFile(
    const char *filename,
    const char *match)
{
    size_t cbBuffer = 100;
    static char szBuffer[100];
    char *szResult = NULL;
    FILE *fp = fopen(filename, "rt");

    if (fp != NULL) {
	/*
	 * Read data until we see our match string.
	 */

	while (fgets(szBuffer, cbBuffer, fp) != NULL) {
	    LPSTR p, q;

	    p = strstr(szBuffer, match);
	    if (p != NULL) {
		/*
		 * Skip to first digit.
		 */

		while (*p && !isdigit(*p)) {
		    ++p;
		}

		/*
		 * Find ending whitespace.
		 */

		q = p;
		while (*q && (isalnum(*q) || *q == '.')) {
		    ++q;
		}

		memcpy(szBuffer, p, q - p);
		szBuffer[q-p] = 0;
		szResult = szBuffer;
		break;
	    }
	}
	fclose(fp);
    }
    return szResult;
}

/*
 * List helpers for the SubstituteFile function
 */

typedef struct list_item_t {
    struct list_item_t *nextPtr;
    char * key;
    char * value;
} list_item_t;

/* insert a list item into the list (list may be null) */
static list_item_t *
list_insert(list_item_t **listPtrPtr, const char *key, const char *value)
{
    list_item_t *itemPtr = malloc(sizeof(list_item_t));
    if (itemPtr) {
	itemPtr->key = strdup(key);
	itemPtr->value = strdup(value);
	itemPtr->nextPtr = NULL;

	while(*listPtrPtr) {
	    listPtrPtr = &(*listPtrPtr)->nextPtr;
	}
	*listPtrPtr = itemPtr;
    }
    return itemPtr;
}

static void
list_free(list_item_t **listPtrPtr)
{
    list_item_t *tmpPtr, *listPtr = *listPtrPtr;
    while (listPtr) {
	tmpPtr = listPtr;
	listPtr = listPtr->nextPtr;
	free(tmpPtr->key);
	free(tmpPtr->value);
	free(tmpPtr);
    }
}

/*
 * SubstituteFile --
 *	As windows doesn't provide anything useful like sed and it's unreliable
 *	to use the tclsh you are building against (consider x-platform builds -
 *	eg compiling AMD64 target from IX86) we provide a simple substitution
 *	option here to handle autoconf style substitutions.
 *	The substitution file is whitespace and line delimited. The file should
 *	consist of lines matching the regular expression:
 *	  \s*\S+\s+\S*$
 *
 *	Usage is something like:
 *	  nmakehlp -S << $** > $@
 *        @PACKAGE_NAME@ $(PACKAGE_NAME)
 *        @PACKAGE_VERSION@ $(PACKAGE_VERSION)
 *        <<
 */

int
SubstituteFile(
    const char *substitutions,
    const char *filename)
{
    size_t cbBuffer = 1024;
    static char szBuffer[1024], szCopy[1024];
    char *szResult = NULL;
    list_item_t *substPtr = NULL;
    FILE *fp, *sp;

    fp = fopen(filename, "rt");
    if (fp != NULL) {

	/*
	 * Build a list of substutitions from the first filename
	 */

	sp = fopen(substitutions, "rt");
	if (sp != NULL) {
	    while (fgets(szBuffer, cbBuffer, sp) != NULL) {
		char *ks, *ke, *vs, *ve;
		ks = szBuffer;
		while (ks && *ks && isspace(*ks)) ++ks;
		ke = ks;
		while (ke && *ke && !isspace(*ke)) ++ke;
		vs = ke;
		while (vs && *vs && isspace(*vs)) ++vs;
		ve = vs;
		while (ve && *ve && !(*ve == '\r' || *ve == '\n')) ++ve;
		*ke = 0, *ve = 0;
		list_insert(&substPtr, ks, vs);
	    }
	    fclose(sp);
	}

	/* debug: dump the list */
#ifdef _DEBUG
	{
	    int n = 0;
	    list_item_t *p = NULL;
	    for (p = substPtr; p != NULL; p = p->nextPtr, ++n) {
		fprintf(stderr, "% 3d '%s' => '%s'\n", n, p->key, p->value);
	    }
	}
#endif
	
	/*
	 * Run the substitutions over each line of the input
	 */
	
	while (fgets(szBuffer, cbBuffer, fp) != NULL) {
	    list_item_t *p = NULL;
	    for (p = substPtr; p != NULL; p = p->nextPtr) {
		char *m = strstr(szBuffer, p->key);
		if (m) {
		    char *cp, *op, *sp;
		    cp = szCopy;
		    op = szBuffer;
		    while (op != m) *cp++ = *op++;
		    sp = p->value;
		    while (sp && *sp) *cp++ = *sp++;
		    op += strlen(p->key);
		    while (*op) *cp++ = *op++;
		    *cp = 0;
		    memcpy(szBuffer, szCopy, sizeof(szCopy));
		}
	    }
	    printf(szBuffer);
	}
	
	list_free(&substPtr);
    }
    fclose(fp);
    return 0;
}

/*
 * QualifyPath --
 *
 *	This composes the current working directory with a provided path
 *	and returns the fully qualified and normalized path.
 *	Mostly needed to setup paths for testing.
 */

int
QualifyPath(
    const char *szPath)
{
    char szCwd[MAX_PATH + 1];
    char szTmp[MAX_PATH + 1];
    char *p;
    GetCurrentDirectory(MAX_PATH, szCwd);
    while ((p = strchr(szPath, '/')) && *p)
	*p = '\\';
    PathCombine(szTmp, szCwd, szPath);
    PathCanonicalize(szCwd, szTmp);
    printf("%s\n", szCwd);
    return 0;
}

/*
 * Local variables:
 *   mode: c
 *   c-basic-offset: 4
 *   fill-column: 78
 *   indent-tabs-mode: t
 *   tab-width: 8
 * End:
 */

#------------------------------------------------------------- -*- Makefile -*-
# rules.vc --
#
#	Microsoft Visual C++ makefile include for decoding the commandline
#	macros.  This file does not need editing to build Tcl.
#
#	This version is modified from the Tcl source version to support
#	building extensions using nmake.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
# 
# Copyright (c) 2001-2002 David Gravereaux.
# Copyright (c) 2003-2008 Patrick Thoyts
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------

!ifndef _RULES_VC
_RULES_VC = 1

cc32		= $(CC)   # built-in default.
link32		= link
lib32		= lib
rc32		= $(RC)   # built-in default.

!ifndef INSTALLDIR
### Assume the normal default.
_INSTALLDIR	= C:\Program Files\Tcl
!else
### Fix the path separators.
_INSTALLDIR	= $(INSTALLDIR:/=\)
!endif

#----------------------------------------------------------
# Set the proper copy method to avoid overwrite questions
# to the user when copying files and selecting the right
# "delete all" method.
#----------------------------------------------------------

!if "$(OS)" == "Windows_NT"
RMDIR	= rmdir /S /Q
ERRNULL  = 2>NUL
!if ![ver | find "4.0" > nul]
CPY	= echo y | xcopy /i >NUL
COPY	= copy >NUL
!else
CPY	= xcopy /i /y >NUL
COPY	= copy /y >NUL
!endif
!else # "$(OS)" != "Windows_NT"
CPY	= xcopy /i >_JUNK.OUT # On Win98 NUL does not work here.
COPY	= copy >_JUNK.OUT # On Win98 NUL does not work here.
RMDIR	= deltree /Y
NULL    = \NUL # Used in testing directory existence
ERRNULL = >NUL # Win9x shell cannot redirect stderr
!endif
MKDIR   = mkdir

#------------------------------------------------------------------------------
# Determine the host and target architectures and compiler version.
#------------------------------------------------------------------------------

_HASH=^#
_VC_MANIFEST_EMBED_EXE=
_VC_MANIFEST_EMBED_DLL=
VCVER=0
!if ![echo VCVERSION=_MSC_VER > vercl.x] \
    && ![echo $(_HASH)if defined(_M_IX86) >> vercl.x] \
    && ![echo ARCH=IX86 >> vercl.x] \
    && ![echo $(_HASH)elif defined(_M_AMD64) >> vercl.x] \
    && ![echo ARCH=AMD64 >> vercl.x] \
    && ![echo $(_HASH)endif >> vercl.x] \
    && ![cl -nologo -TC -P vercl.x $(ERRNULL)]
!include vercl.i
!if ![echo VCVER= ^\> vercl.vc] \
    && ![set /a $(VCVERSION) / 100 - 6 >> vercl.vc]
!include vercl.vc
!endif
!endif
!if ![del $(ERRNUL) /q/f vercl.x vercl.i vercl.vc]
!endif

!if ![reg query HKLM\Hardware\Description\System\CentralProcessor\0 /v Identifier | findstr /i x86]
NATIVE_ARCH=IX86
!else
NATIVE_ARCH=AMD64
!endif

# Since MSVC8 we must deal with manifest resources.
!if $(VCVERSION) >= 1400
_VC_MANIFEST_EMBED_EXE=if exist [email protected] mt -nologo -manifest [email protected] -outputresource:$@;1
_VC_MANIFEST_EMBED_DLL=if exist [email protected] mt -nologo -manifest [email protected] -outputresource:$@;2
!endif

!ifndef MACHINE
MACHINE=$(ARCH)
!endif

!ifndef CFG_ENCODING
CFG_ENCODING	= \"cp1252\"
!endif

!message ===============================================================================

#----------------------------------------------------------
# build the helper app we need to overcome nmake's limiting
# environment.
#----------------------------------------------------------

!if !exist(nmakehlp.exe)
!if [$(cc32) -nologo nmakehlp.c -link -subsystem:console > nul]
!endif
!endif

#----------------------------------------------------------
# Test for compiler features
#----------------------------------------------------------

### test for optimizations
!if [nmakehlp -c -Ot]
!message *** Compiler has 'Optimizations'
OPTIMIZING	= 1
!else
!message *** Compiler does not have 'Optimizations'
OPTIMIZING	= 0
!endif

OPTIMIZATIONS   =

!if [nmakehlp -c -Ot]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Ot
!endif

!if [nmakehlp -c -Oi]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Oi
!endif

!if [nmakehlp -c -Op]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Op
!endif

!if [nmakehlp -c -fp:strict]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -fp:strict
!endif

!if [nmakehlp -c -Gs]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Gs
!endif

!if [nmakehlp -c -GS]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GS
!endif

!if [nmakehlp -c -GL]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GL
!endif

DEBUGFLAGS     =

!if [nmakehlp -c -RTC1]
DEBUGFLAGS     = $(DEBUGFLAGS) -RTC1
!elseif [nmakehlp -c -GZ]
DEBUGFLAGS     = $(DEBUGFLAGS) -GZ
!endif

COMPILERFLAGS  =-W3 /D_ATL_XP_TARGETING /DUNICODE /D_UNICODE

# In v13 -GL and -YX are incompatible.
!if [nmakehlp -c -YX]
!if ![nmakehlp -c -GL]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -YX
!endif
!endif

!if "$(MACHINE)" == "IX86"
### test for pentium errata
!if [nmakehlp -c -QI0f]
!message *** Compiler has 'Pentium 0x0f fix'
COMPILERFLAGS  = $(COMPILERFLAGSS) -QI0f
!else
!message *** Compiler does not have 'Pentium 0x0f fix'
!endif
!endif

!if "$(MACHINE)" == "IA64"
### test for Itanium errata
!if [nmakehlp -c -QIA64_Bx]
!message *** Compiler has 'B-stepping errata workarounds'
COMPILERFLAGS   = $(COMPILERFLAGS) -QIA64_Bx
!else
!message *** Compiler does not have 'B-stepping errata workarounds'
!endif
!endif

# Prevents "LNK1561: entry point must be defined" error compiling from VS-IDE:
!ifndef LINKER_TESTFLAGS
LINKER_TESTFLAGS = /DLL /NOENTRY /OUT:nmhlp-out.txt
!endif

!if "$(MACHINE)" == "IX86"
### test for -align:4096, when align:512 will do.
!if [nmakehlp -l -opt:nowin98]
!message *** Linker has 'Win98 alignment problem'
ALIGN98_HACK	= 1
!else
!message *** Linker does not have 'Win98 alignment problem'
ALIGN98_HACK	= 0
!endif
!else
ALIGN98_HACK	= 0
!endif

LINKERFLAGS     =

!if [nmakehlp -l -ltcg $(LINKER_TESTFLAGS)]
LINKERFLAGS     =-ltcg
!endif

#----------------------------------------------------------
# Decode the options requested.
#----------------------------------------------------------

!if "$(OPTS)" == "" || [nmakehlp -f "$(OPTS)" "none"]
STATIC_BUILD	= 0
TCL_THREADS	= 1
DEBUG		= 0
SYMBOLS		= 0
PROFILE		= 0
PGO		= 0
MSVCRT		= 1
LOIMPACT	= 0
TCL_USE_STATIC_PACKAGES	= 0
USE_THREAD_ALLOC = 1
UNCHECKED       = 0
!else
!if [nmakehlp -f $(OPTS) "static"]
!message *** Doing static
STATIC_BUILD	= 1
!else
STATIC_BUILD	= 0
!endif
!if [nmakehlp -f $(OPTS) "nomsvcrt"]
!message *** Doing nomsvcrt
MSVCRT		= 0
!else
!if [nmakehlp -f $(OPTS) "msvcrt"]
!message *** Doing msvcrt
MSVCRT		= 1
!else
!if !$(STATIC_BUILD)
MSVCRT		= 1
!else
MSVCRT		= 0
!endif
!endif
!endif
!if [nmakehlp -f $(OPTS) "staticpkg"] && $(STATIC_BUILD)
!message *** Doing staticpkg
TCL_USE_STATIC_PACKAGES	= 1
!else
TCL_USE_STATIC_PACKAGES	= 0
!endif
!if [nmakehlp -f $(OPTS) "nothreads"]
!message *** Compile explicitly for non-threaded tcl
TCL_THREADS	= 0
USE_THREAD_ALLOC= 0
!else
TCL_THREADS     = 1
USE_THREAD_ALLOC= 1
!endif
!if [nmakehlp -f $(OPTS) "symbols"]
!message *** Doing symbols
DEBUG		= 1
!else
DEBUG		= 0
!endif
!if [nmakehlp -f $(OPTS) "pdbs"]
!message *** Doing pdbs
SYMBOLS		= 1
!else
SYMBOLS		= 0
!endif
!if [nmakehlp -f $(OPTS) "profile"]
!message *** Doing profile
PROFILE		= 1
!else
PROFILE		= 0
!endif
!if [nmakehlp -f $(OPTS) "pgi"]
!message *** Doing profile guided optimization instrumentation
PGO		= 1
!elseif [nmakehlp -f $(OPTS) "pgo"]
!message *** Doing profile guided optimization
PGO		= 2
!else
PGO		= 0
!endif
!if [nmakehlp -f $(OPTS) "loimpact"]
!message *** Doing loimpact
LOIMPACT	= 1
!else
LOIMPACT	= 0
!endif
!if [nmakehlp -f $(OPTS) "thrdalloc"]
!message *** Doing thrdalloc
USE_THREAD_ALLOC = 1
!endif
!if [nmakehlp -f $(OPTS) "tclalloc"]
!message *** Doing tclalloc
USE_THREAD_ALLOC = 0
!endif
!if [nmakehlp -f $(OPTS) "unchecked"]
!message *** Doing unchecked
UNCHECKED = 1
!else
UNCHECKED = 0
!endif
!endif

#----------------------------------------------------------
# Figure-out how to name our intermediate and output directories.
# We wouldn't want different builds to use the same .obj files
# by accident.
#----------------------------------------------------------

#----------------------------------------
# Naming convention:
#   t = full thread support.
#   s = static library (as opposed to an
#	import library)
#   g = linked to the debug enabled C
#	run-time.
#   x = special static build when it
#	links to the dynamic C run-time.
#----------------------------------------
SUFX	    = tsgx

!if $(DEBUG)
BUILDDIRTOP = Debug
!else
BUILDDIRTOP = Release
!endif

!if "$(MACHINE)" != "IX86"
BUILDDIRTOP =$(BUILDDIRTOP)_$(MACHINE)
!endif
!if $(VCVER) > 6
BUILDDIRTOP =$(BUILDDIRTOP)_VC$(VCVER)
!endif

!if !$(DEBUG) || $(DEBUG) && $(UNCHECKED)
SUFX	    = $(SUFX:g=)
!endif

TMP_DIRFULL = .\$(BUILDDIRTOP)\$(PROJECT)_ThreadedDynamicStaticX

!if !$(STATIC_BUILD)
TMP_DIRFULL = $(TMP_DIRFULL:Static=)
SUFX	    = $(SUFX:s=)
EXT	    = dll
TMP_DIRFULL = $(TMP_DIRFULL:X=)
SUFX	    = $(SUFX:x=)
!else
TMP_DIRFULL = $(TMP_DIRFULL:Dynamic=)
EXT	    = lib
!if !$(MSVCRT)
TMP_DIRFULL = $(TMP_DIRFULL:X=)
SUFX	    = $(SUFX:x=)
!endif
!endif

!if !$(TCL_THREADS)
TMP_DIRFULL = $(TMP_DIRFULL:Threaded=)
SUFX	    = $(SUFX:t=)
!endif

!ifndef TMP_DIR
TMP_DIR	    = $(TMP_DIRFULL)
!ifndef OUT_DIR
OUT_DIR	    = .\$(BUILDDIRTOP)
!endif
!else
!ifndef OUT_DIR
OUT_DIR	    = $(TMP_DIR)
!endif
!endif


#----------------------------------------------------------
# Decode the statistics requested.
#----------------------------------------------------------

!if "$(STATS)" == "" || [nmakehlp -f "$(STATS)" "none"]
TCL_MEM_DEBUG	    = 0
TCL_COMPILE_DEBUG   = 0
!else
!if [nmakehlp -f $(STATS) "memdbg"]
!message *** Doing memdbg
TCL_MEM_DEBUG	    = 1
!else
TCL_MEM_DEBUG	    = 0
!endif
!if [nmakehlp -f $(STATS) "compdbg"]
!message *** Doing compdbg
TCL_COMPILE_DEBUG   = 1
!else
TCL_COMPILE_DEBUG   = 0
!endif
!endif


#----------------------------------------------------------
# Decode the checks requested.
#----------------------------------------------------------

!if "$(CHECKS)" == "" || [nmakehlp -f "$(CHECKS)" "none"]
TCL_NO_DEPRECATED	    = 0
WARNINGS		    = -W3
!else
!if [nmakehlp -f $(CHECKS) "nodep"]
!message *** Doing nodep check
TCL_NO_DEPRECATED	    = 1
!else
TCL_NO_DEPRECATED	    = 0
!endif
!if [nmakehlp -f $(CHECKS) "fullwarn"]
!message *** Doing full warnings check
WARNINGS		    = -W4
!if [nmakehlp -l -warn:3 $(LINKER_TESTFLAGS)]
LINKERFLAGS		    = $(LINKERFLAGS) -warn:3
!endif
!else
WARNINGS		    = -W3
!endif
!if [nmakehlp -f $(CHECKS) "64bit"] && [nmakehlp -c -Wp64]
!message *** Doing 64bit portability warnings
WARNINGS		    = $(WARNINGS) -Wp64
!endif
!endif

!if $(PGO) > 1
!if [nmakehlp -l -ltcg:pgoptimize $(LINKER_TESTFLAGS)]
LINKERFLAGS	= $(LINKERFLAGS:-ltcg=) -ltcg:pgoptimize
!else
MSG=^
This compiler does not support profile guided optimization.
!error $(MSG)
!endif
!elseif $(PGO) > 0
!if [nmakehlp -l -ltcg:pginstrument $(LINKER_TESTFLAGS)]
LINKERFLAGS	= $(LINKERFLAGS:-ltcg=) -ltcg:pginstrument
!else
MSG=^
This compiler does not support profile guided optimization.
!error $(MSG)
!endif
!endif

#----------------------------------------------------------
# Set our defines now armed with our options.
#----------------------------------------------------------

OPTDEFINES	= -DTCL_CFGVAL_ENCODING=$(CFG_ENCODING) -DSTDC_HEADERS

!if $(TCL_MEM_DEBUG)
OPTDEFINES	= $(OPTDEFINES) -DTCL_MEM_DEBUG
!endif
!if $(TCL_COMPILE_DEBUG)
OPTDEFINES	= $(OPTDEFINES) -DTCL_COMPILE_DEBUG -DTCL_COMPILE_STATS
!endif
!if $(TCL_THREADS)
OPTDEFINES	= $(OPTDEFINES) -DTCL_THREADS=1
!if $(USE_THREAD_ALLOC)
OPTDEFINES	= $(OPTDEFINES) -DUSE_THREAD_ALLOC=1
!endif
!endif
!if $(STATIC_BUILD)
OPTDEFINES	= $(OPTDEFINES) -DSTATIC_BUILD
!endif
!if $(TCL_NO_DEPRECATED)
OPTDEFINES	= $(OPTDEFINES) -DTCL_NO_DEPRECATED
!endif

!if !$(DEBUG)
OPTDEFINES	= $(OPTDEFINES) -DNDEBUG
!if $(OPTIMIZING)
OPTDEFINES	= $(OPTDEFINES) -DTCL_CFG_OPTIMIZED
!endif
!endif
!if $(PROFILE)
OPTDEFINES	= $(OPTDEFINES) -DTCL_CFG_PROFILED
!endif
!if "$(MACHINE)" == "IA64" || "$(MACHINE)" == "AMD64"
OPTDEFINES	= $(OPTDEFINES) -DTCL_CFG_DO64BIT
!endif
!if $(VCVERSION) < 1300
OPTDEFINES	= $(OPTDEFINES) -DNO_STRTOI64
!endif


#----------------------------------------------------------
# Locate the Tcl headers to build against
#----------------------------------------------------------

!if "$(PROJECT)" == "tcl"

_TCL_H          = ..\generic\tcl.h

!else

# If INSTALLDIR set to tcl root dir then reset to the lib dir.
!if exist("$(_INSTALLDIR)\include\tcl.h")
_INSTALLDIR=$(_INSTALLDIR)\lib
!endif

!if !defined(TCLDIR)
!if exist("$(_INSTALLDIR)\..\include\tcl.h")
TCLINSTALL	= 1
_TCLDIR		= $(_INSTALLDIR)\..
_TCL_H          = $(_INSTALLDIR)\..\include\tcl.h
TCLDIR          = $(_INSTALLDIR)\..
!else
MSG=^
Failed to find tcl.h.  Set the TCLDIR macro.
!error $(MSG)
!endif
!else
_TCLDIR	= $(TCLDIR:/=\)
!if exist("$(_TCLDIR)\include\tcl.h")
TCLINSTALL	= 1
_TCL_H          = $(_TCLDIR)\include\tcl.h
!elseif exist("$(_TCLDIR)\generic\tcl.h")
TCLINSTALL	= 0
_TCL_H          = $(_TCLDIR)\generic\tcl.h
!else
MSG =^
Failed to find tcl.h.  The TCLDIR macro does not appear correct.
!error $(MSG)
!endif
!endif
!endif

#--------------------------------------------------------------
# Extract various version numbers from tcl headers
# The generated file is then included in the makefile.
#--------------------------------------------------------------

!if [echo REM = This file is generated from rules.vc > version.vc]
!endif
!if [echo TCL_MAJOR_VERSION = \>> versions.vc] \
   && [nmakehlp -V "$(_TCL_H)" TCL_MAJOR_VERSION >> versions.vc]
!endif
!if [echo TCL_MINOR_VERSION = \>> versions.vc] \
   && [nmakehlp -V "$(_TCL_H)" TCL_MINOR_VERSION >> versions.vc]
!endif
!if [echo TCL_PATCH_LEVEL = \>> versions.vc] \
   && [nmakehlp -V "$(_TCL_H)" TCL_PATCH_LEVEL >> versions.vc]
!endif

!include versions.vc

#--------------------------------------------------------------
# Setup tcl version dependent stuff headers
#--------------------------------------------------------------

!if "$(PROJECT)" != "tcl"

TCL_VERSION	= $(TCL_MAJOR_VERSION)$(TCL_MINOR_VERSION)

!if $(TCLINSTALL)
TCLSH		= "$(_TCLDIR)\bin\tclsh$(TCL_VERSION)$(SUFX).exe"
!if !exist($(TCLSH)) && $(TCL_THREADS)
TCLSH           = "$(_TCLDIR)\bin\tclsh$(TCL_VERSION)t$(SUFX).exe"
!endif
TCLSTUBLIB	= "$(_TCLDIR)\lib\tclstub$(TCL_VERSION).lib"
TCLIMPLIB	= "$(_TCLDIR)\lib\tcl$(TCL_VERSION)$(SUFX).lib"
TCL_LIBRARY	= $(_TCLDIR)\lib
TCL_INCLUDES    = -I"$(_TCLDIR)\include"
!else
TCLSH		= "$(_TCLDIR)\win\$(BUILDDIRTOP)\tclsh$(TCL_VERSION)$(SUFX).exe"
!if !exist($(TCLSH)) && $(TCL_THREADS)
TCLSH		= "$(_TCLDIR)\win\$(BUILDDIRTOP)\tclsh$(TCL_VERSION)t$(SUFX).exe"
!endif
TCLSTUBLIB	= "$(_TCLDIR)\win\$(BUILDDIRTOP)\tclstub$(TCL_VERSION).lib"
TCLIMPLIB	= "$(_TCLDIR)\win\$(BUILDDIRTOP)\tcl$(TCL_VERSION)$(SUFX).lib"
TCL_LIBRARY	= $(_TCLDIR)\library
TCL_INCLUDES	= -I"$(_TCLDIR)\generic" -I"$(_TCLDIR)\win"
!endif

!endif

#----------------------------------------------------------
# Display stats being used.
#----------------------------------------------------------

!message *** Intermediate directory will be '$(TMP_DIR)'
!message *** Output directory will be '$(OUT_DIR)'
!message *** Suffix for binaries will be '$(SUFX)'
!message *** Optional defines are '$(OPTDEFINES)'
!message *** Compiler version $(VCVER). Target machine is $(MACHINE)
!message *** Compiler options '$(COMPILERFLAGS) $(OPTIMIZATIONS) $(DEBUGFLAGS)'
!message *** Link options '$(LINKERFLAGS)'

!endif