cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore fpic/fPIC for windows32 targets.

	* i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
	fpic/fPIC for windows32 targets.
	* i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
	paths with '/'.
	* i386/mingw32.h (CPP_SPEC): Define.
	(CPP_PREDEFINES): Add MINGW32 version id.
	* i386/crtdll.h (CPP_PREDEFINES): Likewise.

From-SVN: r25121

gcc/ChangeLog

@@ -7,6 +7,14 @@ Tue Feb  9 17:27:29 GMT 1999  Nathan Sidwell  <nathan@acm.org>
 
 Tue Feb  9 16:52:22 1999  Mumit Khan  <khan@xraylith.wisc.edu>
 
+	* i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore 
+	fpic/fPIC for windows32 targets.
+	* i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
+	paths with '/'.
+	* i386/mingw32.h (CPP_SPEC): Define.
+	(CPP_PREDEFINES): Add MINGW32 version id.
+	* i386/crtdll.h (CPP_PREDEFINES): Likewise.
+
 	* Makefile.in (collect2$(exeext)): Delete redundant dependency and
 	add missing exeext to target.
 

gcc/config/i386/crtdll.h

@@ -3,7 +3,7 @@
    as distinct from winnt.h, which is used to build GCC for use with a
    windows style library and tool set and uses the Microsoft tools.
    This variant uses CRTDLL.DLL insted of MSVCRTDLL.DLL.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -24,7 +24,7 @@ Boston, MA 02111-1307, USA. */
 
 #undef CPP_PREDEFINES
 #define CPP_PREDEFINES "-Di386 -D_WIN32 -DWIN32 -D__WIN32__ \
-  -D__MINGW32__ -DWINNT  -D_X86_=1 -D__STDC__=1\
+  -D__MINGW32__=0.2 -DWINNT  -D_X86_=1 -D__STDC__=1\
   -D__stdcall=__attribute__((__stdcall__)) \
   -D_stdcall=__attribute__((__stdcall__)) \
   -D__cdecl=__attribute__((__cdecl__)) \

gcc/config/i386/cygwin.h

@@ -2,7 +2,7 @@
    hosting on Windows NT 3.x, using a Unix style C library and tools,
    as distinct from winnt.h, which is used to build GCC for use with a
    windows style library and tool set and uses the Microsoft tools.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -235,6 +235,20 @@ switch_to_section (section, decl) 				\
     fprintf (FILE, "\n");			\
   } while (0)
 
+/* Don't allow flag_pic to propagate since gas may produce invalid code
+   otherwise. */
+
+#undef  SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS					\
+do {									\
+  if (flag_pic)								\
+    {									\
+      warning ("-f%s ignored for target (all code is position independent)",\
+	       (flag_pic > 1) ? "PIC" : "pic");				\
+      flag_pic = 0;							\
+    }									\
+} while (0)								\
+
 /* Define this macro if references to a symbol must be treated
    differently depending on something about the variable or
    function named by the symbol (such as what section it is in).

gcc/config/i386/mingw32.h

@@ -2,7 +2,7 @@
    hosting on Windows32, using GNU tools and the Windows32 API Library,
    as distinct from winnt.h, which is used to build GCC for use with a
    windows style library and tool set and uses the Microsoft tools.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -31,7 +31,7 @@ Boston, MA 02111-1307, USA. */
    distinguish MSVC from CRTDLL runtime in mingw headers. */
 #undef CPP_PREDEFINES
 #define CPP_PREDEFINES "-Di386 -D_WIN32 -DWIN32 -D__WIN32__ \
-  -D__MINGW32__ -D__MSVCRT__ -DWINNT  -D_X86_=1 -D__STDC__=1\
+  -D__MINGW32__=0.2 -D__MSVCRT__ -DWINNT  -D_X86_=1 -D__STDC__=1\
   -D__stdcall=__attribute__((__stdcall__)) \
   -D_stdcall=__attribute__((__stdcall__)) \
   -D__cdecl=__attribute__((__cdecl__)) \
@@ -44,6 +44,9 @@ Boston, MA 02111-1307, USA. */
 
 #define STANDARD_INCLUDE_COMPONENT "MINGW32"
 
+#undef CPP_SPEC
+#define CPP_SPEC "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE}"
+
 /* For Windows applications, include more libraries, but always include
    kernel32.  */
 #undef LIB_SPEC

gcc/config/i386/xm-cygwin.h

 /* Configuration for GNU C-compiler for hosting on Windows NT.
    using a unix style C library.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -47,9 +47,15 @@ do {									\
   if (_epath != NULL && *_epath != 0					\
       && cygwin32_posix_path_list_p (_epath))				\
     {									\
+      char *p;								\
       _win32epath = (char *) xmalloc					\
 	(cygwin32_posix_to_win32_path_list_buf_size (_epath));		\
       cygwin32_posix_to_win32_path_list (_epath, _win32epath);		\
+      for (p = _win32epath; p && *p; ++p)				\
+        {								\
+	  if (*p == '\\')						\
+	    *p = '/';							\
+	}								\
     }									\
   (VAR) = _win32epath;							\
 } while (0)