gcc -mno-cygwin creates cygwin executables!

[Teun Burgers]

Consider the following 3 line program:

main () {
        pthread_create();
}

This compiles and links with

gcc -mno-cygwin -o zz zz.c -lpthread

It should not link since this is part of a configure test for threads
AC_SEARCH_LIBS(pthread_create, -lpthread) that should
fail with CC='gcc -mno-cygwin'

There are 2 problems here:

1) gcc -mno-cygwin searches for libs in /usr/lib.
   Should it?

2) libpthread.a is link to libcygwin.a. If the
   thread routines were in a separate library the link
   would still fail as it should.

Teun Burgers

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