Mail Archives: cygwin/1997/07/06/15:45:02
I've browsed through the mailing archives and all the documentation
I could find, but still haven't been able to figure out how to get
code compiled under the GNU Win32 environment to work with code
compiled with MSVC. From what I can gather, the link phase has to
be done with the Microsoft link.exe. OK, fine. Here's my sample
program:
#include <stdio.h>
int main (int argc, char *argv[])
{
printf ("Hello, world\n");
return (0);
}
I compile the above with "gcc -c foo.c -o foo.o" and try to do the
link as follows:
link foo.o libcygwin.a libkernel32.a /subsystem:console
This give an error message about an unresolved symbol _mainCRTStartup,
so I added the /entry:main option to get:
link foo.o libcygwin.a libkernel32.a /subsystem:console /entry:main
This compiles fine and builds an executable, but when I run it the
program returns with no output. Any ideas? I tried /subsystem:windows
and got identical results. Until I can get a simple test link this
working, I don't want to try linking in any "real" code from the MSVC
environment. FYI, I'm running under NT 4.0 on a Pentium II.
If somebody can get this running, I *promise* I'll write something up
to put in the FAQ that's more descriptive than what's there now!
- Paul
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