[Bug 47959] New: WINE fails to configure on CYGWIN

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47959

            Bug ID: 47959
           Summary: WINE fails to configure on CYGWIN
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: build-env
          Assignee: wine-bugs at winehq.org
          Reporter: carlo.bramix at libero.it
      Distribution: ---

This bug has been splitted from bug #47951.

Assuming that you have installed all dependencies required by WINE, if you try
to configure the sources with CYGWIN, you will get some strange messages on the
console:


checking krb5/krb5.h usability... no
checking krb5/krb5.h presence... yes
configure: WARNING: krb5/krb5.h: present but cannot be compiled
configure: WARNING: krb5/krb5.h:     check for missing prerequisite headers?
configure: WARNING: krb5/krb5.h: see the Autoconf documentation
configure: WARNING: krb5/krb5.h:     section "Present But Cannot Be Compiled"
configure: WARNING: krb5/krb5.h: proceeding with the compiler's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to wine-devel at winehq.org ##
configure: WARNING:     ## ------------------------------------ ##
checking for krb5/krb5.h... no
checking gssapi/gssapi.h usability... no
checking gssapi/gssapi.h presence... yes
configure: WARNING: gssapi/gssapi.h: present but cannot be compiled
configure: WARNING: gssapi/gssapi.h:     check for missing prerequisite
headers?
configure: WARNING: gssapi/gssapi.h: see the Autoconf documentation
configure: WARNING: gssapi/gssapi.h:     section "Present But Cannot Be
Compiled"
configure: WARNING: gssapi/gssapi.h: proceeding with the compiler's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to wine-devel at winehq.org ##
configure: WARNING:     ## ------------------------------------ ##
checking for gssapi/gssapi.h... no
checking gssapi/gssapi_ext.h usability... no
checking gssapi/gssapi_ext.h presence... yes
configure: WARNING: gssapi/gssapi_ext.h: present but cannot be compiled
configure: WARNING: gssapi/gssapi_ext.h:     check for missing prerequisite
headers?
configure: WARNING: gssapi/gssapi_ext.h: see the Autoconf documentation
configure: WARNING: gssapi/gssapi_ext.h:     section "Present But Cannot Be
Compiled"
configure: WARNING: gssapi/gssapi_ext.h: proceeding with the compiler's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to wine-devel at winehq.org ##
configure: WARNING:     ## ------------------------------------ ##
checking for gssapi/gssapi_ext.h... no


Later, the configure scripts exits with this error:


In file included from ../wine/tools/makedep.c:23:0:
../wine/include/wine/port.h:52:20: fatal error: direct.h: No such file or
directory
compilation terminated.


The cause of these troubles is the addition of _WIN32 macro.
By adding it, some sources think to be under a pure Windows environment and
they try to include some files that do not exist inside a POSIX platform.

The solution is to remove this line from configure.ac:

https://github.com/wine-mirror/wine/blob/0fe003435e90dc32dd405a62af8fbcc20afc925d/configure.ac#L146

After that, at least the configuration could be completed, although with some
restrictions.
Tested with latest sources from the repository at the time of writing.

Sincerely.

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