Compiling with Cygwin-1.5.4-1 gives symbol errors

James MacLean macleajb@ednet.ns.ca
Tue Sep 16 17:30:00 GMT 2003


Hi Folks,

Compiled programs with Cygwin-1.3.22-1, but now, even with fresh Cygwin
installs, I am getting errors like :

/usr/lib/gcc-lib/i686-pc-cygwin/3.2/../../../../i686-pc-cygwin/bin/ld:
warning: cannot find entry symbol _WinMainCRTStartup; defaulting to 00401000

and:

Info: resolving _optarg by linking to __imp__optarg (auto-import)

The resulting binaries run, but are not quite working :(. I expect it may
have something to do with needed to rebuild some of the libraries for the
new CygWin, but everything not from the CygWin install has been compiled
locally.

Simple example:

#include <stdio.h>

int main(int argc, char ** argv) {
  printf("Hello\n");
  return(4);
}

gcc -mwindows -o hello hello.c

gives:

/usr/lib/gcc-lib/i686-pc-cygwin/3.2/../../../../i686-pc-cygwin/bin/ld:
warning: cannot find entry symbol _WinMainCRTStartup; defaulting to 00401000

Simple solution :)?,
JES

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