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/*
SPDX-FileCopyrightText: 2010 Patrick Spendrin <ps_ml@gmx.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
/*
* This helper program is needed for the Visual Studio compiler
* to find out the standard macros, there is no "gcc -dM -E -".
* A trick is used to find out the standard macros. You can
* exchange the compiler. The standard macros are written in
* a environment variable. This helper program analysis this
* variable and prints the output to stdout.
*/
#include <cstdio>
#include <cstdlib>
#include <cstring>
int main(int argc, char**argv)
{
char *next, *token, *tmp, *equal;
int nextlen, currentlen;
next = getenv("MSC_CMD_FLAGS");
while (next != NULL)
{
token = next;
next = strstr(next + 1, " -");
if(strncmp(token, " -D", 3) == 0) {
if(next != NULL)
nextlen = strlen(next);
else
nextlen = 0;
currentlen = strlen(token);
tmp = new char[(currentlen - nextlen + 1)];
strncpy(tmp, token, currentlen - nextlen);
tmp[currentlen - nextlen] = '\0';
equal = strchr(tmp, '=');
if(equal != NULL) *equal = ' ';
printf("#define %s\n", tmp + 3);
delete [] tmp;
}
}
// return an error so that the compiler doesn't check for the output
return 1;
}
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