Remove MinGW support

In OOo times, there'd originally been efforts to allow building on Windows with
MinGW.  Later, in LO times, this has been shifted to an attempt of cross-
compiling for Windows on Linux.  That attempt can be considered abandoned, and
the relevant code rotting.

Due to this heritage, there are now three kinds of MinGW-specific code in LO:

* Code from the original OOo native Windows effort that is no longer relevant
for the LO cross-compilation effort, but has never been removed properly.

* Code from the original OOo native Windows effort that is re-purposed for the
LO cross-compilation effort.

* Code that has been added specifially for the LO cross-compilation effort.

All three kinds of code are removed.

(An unrelated, remaining use of MinGW is for --enable-build-unowinreg, utilizing
--with-mingw-cross-compiler, MINGWCXX, and MINGWSTRIP.)

Change-Id: I49daad8669b4cbe49fa923050c4a4a6ff7dda568
Reviewed-on: https://gerrit.libreoffice.org/34127
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

12 files changed, 8 insertions, 297 deletions

diff --git a/include/cppuhelper/implementationentry.hxx b/include/cppuhelper/implementationentry.hxx
index e7bb34b838a6..36bf15af138d 100644
--- a/include/cppuhelper/implementationentry.hxx
+++ b/include/cppuhelper/implementationentry.hxx
@@ -22,16 +22,6 @@
 #include <cppuhelper/factory.hxx>
 #include <cppuhelper/cppuhelperdllapi.h>
 
-// MinGW wants it the one way around while MSVC wants it the other (cf.
-// <sourceforge.net/support/tracker.php?aid=3514133> "Syntactic __cdecl
-// incompatibility with MSVC"; and everywhere else, SAL_CALL is empty, so
-// doesn't matter):
-#if defined __GNUC__
-#define MY_FN_PTR(name) SAL_CALL (* name)
-#else
-#define MY_FN_PTR(name) (SAL_CALL * name)
-#endif
-
 namespace cppu
 {
 /** One struct instance represents all data necessary for registering one service implementation.
@@ -46,12 +36,12 @@ struct SAL_WARN_UNUSED ImplementationEntry
     /** Function that returns the implementation-name of the implementation
        (same as XServiceInfo.getImplementationName() ).
      */
-     rtl::OUString MY_FN_PTR( getImplementationName )();
+     rtl::OUString (SAL_CALL * getImplementationName)();
 
     /** Function that returns all supported servicenames of the implementation
        ( same as XServiceInfo.getSupportedServiceNames() ).
     */
-     css::uno::Sequence< rtl::OUString > MY_FN_PTR( getSupportedServiceNames ) ();
+     css::uno::Sequence< rtl::OUString > (SAL_CALL * getSupportedServiceNames) ();
 
     /** Function that creates a SingleComponentFactory.
 
@@ -59,7 +49,7 @@ struct SAL_WARN_UNUSED ImplementationEntry
         removed library unloading feature; always set to null.
     */
      css::uno::Reference< css::lang::XSingleComponentFactory >
-     MY_FN_PTR( createFactory )(
+     (SAL_CALL * createFactory)(
          ComponentFactoryFunc fptr,
          ::rtl::OUString const & rImplementationName,
          css::uno::Sequence< ::rtl::OUString > const & rServiceNames,
diff --git a/include/oox/helper/helper.hxx b/include/oox/helper/helper.hxx
index 1d9d1c480c9c..afbbef5322bd 100644
--- a/include/oox/helper/helper.hxx
+++ b/include/oox/helper/helper.hxx
@@ -208,7 +208,7 @@ public:
 #ifdef OSL_BIGENDIAN
     static void  convertLittleEndian( sal_Int8& ) {}     // present for usage in templates
     static void  convertLittleEndian( sal_uInt8& ) {}    // present for usage in templates
-#if !defined SAL_W32 || defined __MINGW32__ // cf. sal/types.h sal_Unicode
+#if !defined SAL_W32 // cf. sal/types.h sal_Unicode
     static void  convertLittleEndian( char16_t& rnValue )   { swap2( reinterpret_cast< sal_uInt8* >( &rnValue ) ); }
 #endif
     static void  convertLittleEndian( sal_Int16& rnValue )  { swap2( reinterpret_cast< sal_uInt8* >( &rnValue ) ); }
diff --git a/include/rtl/ustrbuf.hxx b/include/rtl/ustrbuf.hxx
index 57c73a8012f8..a313307dd7d6 100644
--- a/include/rtl/ustrbuf.hxx
+++ b/include/rtl/ustrbuf.hxx
@@ -779,8 +779,7 @@ public:
         return append( &c, 1 );
     }
 
-#if LIBO_INTERNAL_ONLY && \
-    (!defined SAL_W32 || defined __MINGW32__ || defined __clang__)
+#if LIBO_INTERNAL_ONLY && (!defined SAL_W32 || defined __clang__)
         // cf. sal/types.h sal_Unicode
     void append(sal_uInt16) = delete;
 #endif
diff --git a/include/sal/config.h b/include/sal/config.h
index a363b1922533..24612f70ec18 100644
--- a/include/sal/config.h
+++ b/include/sal/config.h
@@ -44,9 +44,6 @@
 #endif /* defined _MSC_VER */
 
 /* Provide ISO C99 compatible versions of snprint and vsnprintf */
-#ifdef __MINGW32__
-#define LO_SNPRINTF_DLLIMPORT
-#endif
 #ifndef _SNPRINTF_H
 #include <systools/win32/snprintf.h>
 #endif
diff --git a/include/sal/types.h b/include/sal/types.h
index 0aee64874fb6..a2e7b121b7c6 100644
--- a/include/sal/types.h
+++ b/include/sal/types.h
@@ -31,15 +31,6 @@
 extern "C" {
 #endif
 
-#if defined ( __MINGW32__ ) && !defined ( __USE_MINGW_ANSI_STDIO )
-/* Define to use the C99 formatting string for coherence reasons.
- * In mingw-w64 some functions are ported to the ms formatting string
- * some are not yet. This is the only way to make the formatting
- * strings work all the time
- */
-#define __USE_MINGW_ANSI_STDIO 1
-#endif
-
 /********************************************************************************/
 /* Data types
 */
@@ -141,11 +132,9 @@ typedef signed char sal_sChar;
 */
 typedef unsigned char sal_uChar;
 
-#if ( defined(SAL_W32) && !defined(__MINGW32__) )
+#if defined(SAL_W32)
     // http://msdn.microsoft.com/en-us/library/s3f49ktz%28v=vs.80%29.aspx
     // "By default wchar_t is a typedef for unsigned short."
-    // But MinGW has a native wchar_t, and on many places, we cannot deal with
-    // that, so sal_Unicode has to be explicitly typedef'd as sal_uInt16 there.
     typedef wchar_t sal_Unicode;
 #else
     #define SAL_UNICODE_NOTEQUAL_WCHAR_T
@@ -241,14 +230,10 @@ typedef void *                   sal_Handle;
 
 #define SAL_MAX_ENUM 0x7fffffff
 
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#if defined(_MSC_VER)
 #   define SAL_DLLPUBLIC_EXPORT    __declspec(dllexport)
 #   define SAL_JNI_EXPORT          __declspec(dllexport)
-#if defined(_MSC_VER)
 #   define SAL_DLLPUBLIC_IMPORT    __declspec(dllimport)
-#else
-#   define SAL_DLLPUBLIC_IMPORT
-#endif // defined(_MSC_VER)
 #   define SAL_DLLPRIVATE
 #   define SAL_DLLPUBLIC_TEMPLATE
 #   define SAL_DLLPUBLIC_RTTI
@@ -299,7 +284,7 @@ typedef void *                   sal_Handle;
    These macros are used for inline declarations of exception classes, as in
    rtl/malformeduriexception.hxx.
 */
-#if defined(__GNUC__) && ! defined(__MINGW32__)
+#if defined(__GNUC__)
 #   if defined(DISABLE_DYNLOADING)
 #      define SAL_EXCEPTION_DLLPUBLIC_EXPORT __attribute__((visibility("default")))
 #    else
diff --git a/include/systools/win32/comptr.hxx b/include/systools/win32/comptr.hxx
index db027274bc63..2a56ec92422a 100644
--- a/include/systools/win32/comptr.hxx
+++ b/include/systools/win32/comptr.hxx
@@ -174,15 +174,11 @@ class ComPtr
             }
         }
 
-#ifndef __MINGW32__
-
         template< class T_QUERYINTERFACE >
         HRESULT query(T_QUERYINTERFACE** pQuery)
         {
             return m_pInterface->QueryInterface(__uuidof(T_QUERYINTERFACE), (void**)pQuery);
         }
-#endif
-
 
         HRESULT query(REFIID rIID  ,
                       void** pQuery)
diff --git a/include/systools/win32/snprintf.h b/include/systools/win32/snprintf.h
index 4342add2f76d..94799d085e20 100644
--- a/include/systools/win32/snprintf.h
+++ b/include/systools/win32/snprintf.h
@@ -66,9 +66,6 @@ extern "C" {
     even if the buffer wasn't large
     enough to hold the string. */
 
-
-#if !defined(__MINGW32__) || defined (__NO_ISOCEXT)
-
 /* VS 2015 and above support ISO C snprintf */
 #if _MSC_VER < 1900
 
@@ -80,8 +77,6 @@ LO_SNPRINTF_DLLIMPORT int __cdecl snprintf( char *buffer, size_t count, const ch
 
 #endif
 
-#endif
-
 /* Conflict with STL_port inline implementation */
 
 #ifdef __cplusplus
diff --git a/include/systools/win32/uwinapi.h b/include/systools/win32/uwinapi.h
index cf89806f87fb..b441f3af6200 100644
--- a/include/systools/win32/uwinapi.h
+++ b/include/systools/win32/uwinapi.h
@@ -30,13 +30,6 @@
 #include "prewin.h"
 #include "postwin.h"
 
-#ifdef __MINGW32__
-#include <basetyps.h>
-#ifdef _UWINAPI_
-#define WINBASEAPI
-#endif
-#endif
-
 #ifdef __cplusplus
 
 inline bool IsValidHandle(HANDLE handle)
diff --git a/include/wntgcci/jni_md.h b/include/wntgcci/jni_md.h
deleted file mode 100644
index 3e596f45ac65..000000000000
--- a/include/wntgcci/jni_md.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-/* Fake jni_md.h for use when cross-compiling to Windows */
-
-#ifndef INCLUDED_WNTGCCI_JNI_MD_H
-#define INCLUDED_WNTGCCI_JNI_MD_H
-
-#define JNIEXPORT __declspec (dllexport)
-#define JNIIMPORT __declspec (dllimport)
-#define JNICALL   __stdcall
-
-typedef long jint;
-typedef __int64 jlong;
-typedef char jbyte;
-
-#endif // INCLUDED_WNTGCCI_JNI_MD_H
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/wntgcci/sehandler.hxx b/include/wntgcci/sehandler.hxx
deleted file mode 100644
index 5ba2ec1f2402..000000000000
--- a/include/wntgcci/sehandler.hxx
+++ /dev/null
@@ -1,128 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-
-// Provenance of this code unclear. From crosswin32-dtrans-mingw.diff,
-// but from where it got there, I don't know.
-
-
-#ifndef INCLUDED_WNTGCCI_SEHANDLER_HXX
-#define INCLUDED_WNTGCCI_SEHANDLER_HXX
-
-#if !defined( __MINGW32__ ) || defined ( _WIN64 )
-#error This file should be included only in a 32-bit MinGW compilation
-#endif
-
-#include <windows.h>
-#include <setjmp.h>
-
-#ifndef EH_UNWINDING
-// See _EH_UNWINDING in MSVS9/VC/crt/src/except.inc
-#define EH_UNWINDING 2
-#endif
-
-namespace {
-class __SEHandler
-{
-public:
-    __SEHandler() {}
-    ~__SEHandler() {}
-    typedef int (*PF)(void *, LPEXCEPTION_POINTERS);
-    typedef void (*PH)(void *, LPEXCEPTION_POINTERS);
-    typedef void (*PN)(void *);
-    void Set(jmp_buf jb, void *pdata=NULL, PF pfilter=NULL, PH phandlerbody=NULL, PN pfinal=NULL)
-    {
-        __builtin_memcpy(m_jmpbuf, jb, sizeof(jmp_buf));
-        m_pData=pdata;
-        switch (reinterpret_cast<int>(pfilter))
-            {
-            default:
-                m_filter=pfilter;
-                break;
-            case EXCEPTION_CONTINUE_EXECUTION:
-                m_filter=DefaultFilterContinueExecution;
-                break;
-            case EXCEPTION_EXECUTE_HANDLER:
-                m_filter=DefaultFilterExecuteHandler;
-                break;
-            case EXCEPTION_CONTINUE_SEARCH:
-                m_filter=DefaultFilterContinueSearch;
-                break;
-            }
-        if (phandlerbody)
-            m_handlerbody=phandlerbody;
-        else
-            m_handlerbody=DefaultHandler;
-        if (pfinal)
-            m_final=pfinal;
-        else
-            m_final=DefaultFinal;
-        m_ER.pHandlerClass = this;
-        m_ER.hp = handler;
-        asm("movl %%fs:0, %%eax\n\t"
-            "movl %%eax, %0": "=m" (m_ER.prev): : "%eax" );
-        asm("movl %0, %%eax\n\t"
-            "movl %%eax, %%fs:0": : "r" (&m_ER): "%eax" );
-    }
-    void Reset()
-    {
-        m_final(m_pData);
-        asm("movl %0, %%eax \n\t"
-            "movl %%eax, %%fs:0"
-            : : "m" (m_ER.prev): "%eax");
-    }
-private:
-    __SEHandler(const __SEHandler&);
-    __SEHandler& operator=(const __SEHandler&);
-    struct _ER {
-        _ER* prev;
-        PEXCEPTION_HANDLER hp;
-        __SEHandler *pHandlerClass;
-    };
-    static EXCEPTION_DISPOSITION handler(struct _EXCEPTION_RECORD *pExceptionRecord,
-                                         void * EstablisherFrame,
-                                         struct _CONTEXT *ContextRecord,
-                                         void * /*DispatcherContext*/)
-    {
-        __SEHandler* pThis = reinterpret_cast< _ER * >(EstablisherFrame)->pHandlerClass;
-        if  (pExceptionRecord->ExceptionFlags & EH_UNWINDING)
-            {
-                pThis->m_final(pThis->m_pData);
-                return ExceptionContinueSearch;
-            }
-        EXCEPTION_POINTERS ep={pExceptionRecord, ContextRecord};
-        switch (pThis->m_filter(pThis->m_pData, &ep))
-            {
-            case EXCEPTION_EXECUTE_HANDLER:
-                RtlUnwind(EstablisherFrame, &&__set_label, pExceptionRecord, 0);
-            __set_label:
-                pThis->m_handlerbody(pThis->m_pData, &ep);
-                ContextRecord->Ebp = pThis->m_jmpbuf[0];
-                ContextRecord->Eip = pThis->m_jmpbuf[1];
-                ContextRecord->Esp = pThis->m_jmpbuf[2];
-                return ExceptionContinueExecution;
-            case EXCEPTION_CONTINUE_SEARCH:
-                return ExceptionContinueSearch;
-            case EXCEPTION_CONTINUE_EXECUTION:
-                return ExceptionContinueExecution;
-            }
-        return ExceptionContinueExecution;
-    }
-    static int DefaultFilterContinueSearch(void *, LPEXCEPTION_POINTERS) { return EXCEPTION_CONTINUE_SEARCH; }
-    static int DefaultFilterContinueExecution(void *, LPEXCEPTION_POINTERS) { return EXCEPTION_CONTINUE_EXECUTION; }
-    static int DefaultFilterExecuteHandler(void *, LPEXCEPTION_POINTERS) { return EXCEPTION_EXECUTE_HANDLER; }
-    static void DefaultHandler(void *, LPEXCEPTION_POINTERS) {}
-    static void DefaultFinal(void *) {}
-    typedef int (*handler_p)(struct _EXCEPTION_RECORD *ExceptionRecord,
-                             void * EstablisherFrame,
-                             struct _CONTEXT *ContextRecord,
-                             void * DispatcherContext);
-    _ER m_ER;
-    void *m_pData;
-    PN m_final;
-    PH m_handlerbody;
-    PF m_filter;
-    jmp_buf m_jmpbuf;
-};
-
-} // namespace {
-
-#endif // INCLUDED_WNTGCCI_SEHANDLER_HXX
diff --git a/include/wntgccx/jni_md.h b/include/wntgccx/jni_md.h
deleted file mode 100644
index add4e2640d8a..000000000000
--- a/include/wntgccx/jni_md.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-/* Fake jni_md.h for use when cross-compiling to Windows */
-
-#ifndef INCLUDED_WNTGCCX_JNI_MD_H
-#define INCLUDED_WNTGCCX_JNI_MD_H
-
-#define JNIEXPORT __declspec (dllexport)
-#define JNIIMPORT __declspec (dllimport)
-#define JNICALL
-
-typedef long jint;
-typedef __int64 jlong;
-typedef char jbyte;
-
-#endif // INCLUDED_WNTGCCX_JNI_MD_H
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/wntgccx/sehandler.hxx b/include/wntgccx/sehandler.hxx
deleted file mode 100644
index e80a8283e429..000000000000
--- a/include/wntgccx/sehandler.hxx
+++ /dev/null
@@ -1,46 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-
-/* From mingw-w64 excpt.h */
-
-#ifndef INCLUDED_WNTGCCX_SEHANDLER_HXX
-#define INCLUDED_WNTGCCX_SEHANDLER_HXX
-
-#if !defined( __MINGW32__ ) || !defined ( _WIN64 )
-#error This file should be included only in a 64-bit MinGW compilation
-#endif
-
-#ifdef __try
-#undef __try
-#endif
-
-#if 0
-#define __try \
-  __asm__ __volatile__ ("\t.l_startw:\n" \
-  );
-#else
-#define __try \
-  if (true)
-#endif
-
-#ifdef __except
-#undef __except
-#endif
-
-#if 0
-#define __except(exvalue) \
-  __asm__ __volatile__ ("\tnop\n" \
-  "\t.seh_handler __C_specific_handler, @except\n" \
-  "\t.seh_handlerdata\n" \
-  "\t.long 1\n" \
-  "\t.rva .l_startw, .l_endw, " __MINGW64_STRINGIFY(exvalue) " ,.l_endw\n" \
-  "\t.text\n" \
-  "\t.l_endw: nop\n" \
-  );
-#else
-#define __except(exvalue) \
-  if (false)
-#endif
-
-
-#endif // INCLUDED_WNTGCCX_SEHANDLER_HXX
-