This patch includes

   * mingw-w64-headers/include/winnt.h: compile fixes for1 gcc-4.9.3
   * mingw-w64-headers/crt/math.h: Likewise
   * mingw-w64-headers/crt/float.h (FLT_EPSILON,DBL_EPSILON,LDBL_EPSILON): Add
   symbols.
   * mingw-w64-headers/crt/stat.h (S_ISLNK,S_ISSOCK,S_ISUID,S_ISGID,S_ISLINK):
   Add symbols.
   (lstat): Add function.
   * mingw-w64-headers/crt/_mingw_stat64.h: Likewise
   * mingw-w64-headers/crt/stdlib.h (realpath): Add function.

Needed for building with gcc-4.9.3 and using with cross-libtool-2.4.6.

Upstream status: not yet presented upstream.

diff --git a/mingw-w64-headers/crt/float.h b/mingw-w64-headers/crt/float.h
index 5874f4e..bdf4ead 100644
--- a/mingw-w64-headers/crt/float.h
+++ b/mingw-w64-headers/crt/float.h
@@ -22,6 +22,15 @@
 #if (__GNUC__ < 4)
 #error Corrupt install of gcc-s internal headers, or search order was changed.
 #else
+
+        /* From gcc-4.9.3 float.h.  */
+        #undef FLT_EPSILON
+        #undef DBL_EPSILON
+        #undef LDBL_EPSILON
+        #define FLT_EPSILON	__FLT_EPSILON__
+        #define DBL_EPSILON	__DBL_EPSILON__
+        #define LDBL_EPSILON	__LDBL_EPSILON__
+
 	/* #include_next <float_ginclude.h> */

    	/* Number of decimal digits, q, such that any floating-point number with q
diff --git a/mingw-w64-headers/crt/math.h b/mingw-w64-headers/crt/math.h
index 1e970f4..99a332f 100644
--- a/mingw-w64-headers/crt/math.h
+++ b/mingw-w64-headers/crt/math.h
@@ -216,6 +216,7 @@ extern "C" {
 #endif
   }

+#if 0
   __CRT_INLINE long double __cdecl fabsl (long double x)
   {
 #ifdef __arm__
@@ -226,6 +227,7 @@ extern "C" {
     return res;
 #endif
   }
+#endif

   __CRT_INLINE double __cdecl fabs (double x)
   {
@@ -905,7 +907,7 @@ __mingw_choose_expr (                                         \
 /* 7.12.7.3  */
   extern double __cdecl hypot (double, double) __MINGW_ATTRIB_DEPRECATED_MSVC2005; /* in libmoldname.a */
   extern float __cdecl hypotf (float x, float y);
-#ifndef __CRT__NO_INLINE
+#if 0 //ndef __CRT__NO_INLINE
   __CRT_INLINE float __cdecl hypotf (float x, float y) { return (float) hypot ((double)x, (double)y);}
 #endif
   extern long double __cdecl hypotl (long double, long double);
/a>/<a href='/guix/log/gnu/installer?id=87eaa4207208e16e5e1b22b60ba4ff5c3d035023'>installer</a>/<a href='/guix/log/gnu/installer/aux-files?id=87eaa4207208e16e5e1b22b60ba4ff5c3d035023'>aux-files</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/installer/aux-files?id=87eaa4207208e16e5e1b22b60ba4ff5c3d035023&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-05-13 23:46:08 +0200'>2019-05-13</span></td><td><a href='/guix/commit/gnu/installer/aux-files?id=76269f6bc4200ef79aa80a8a6160ae269c2a36c9'>installer: Use 'glibc-supported-locales'.</a><span class='msg-avail'>...<span class='msg-tooltip'>The list of locales supported by glibc is now built from source.

* gnu/installer/locale.scm (locale-string-&gt;locale): Add optional
'codeset' parameter and honor it.
(supported-locales-&gt;locales): Rewrite to 'read' from SUPPORTED-LOCALES.
* gnu/installer.scm (compute-locale-step): Pass the result of
'glibc-supported-locales' instead of the "aux-files/SUPPORTED" file.
* gnu/installer/aux-files/SUPPORTED: Remove.
* gnu/local.mk (dist_installer_DATA): Remove it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-17 14:04:20 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/aux-files?id=d0f3a672dcbdfefd3556b6a21985ff0e35eed3be'>gnu: Add graphical installer support.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Require that guile-newt is available.
* gnu/installer.scm: New file.
* gnu/installer/aux-files/logo.txt: New file.
* gnu/installer/build-installer.scm: New file.
* gnu/installer/connman.scm: New file.
* gnu/installer/keymap.scm: New file.
* gnu/installer/locale.scm: New file.
* gnu/installer/newt.scm: New file.
* gnu/installer/newt/ethernet.scm: New file.
* gnu/installer/newt/hostname.scm: New file.
* gnu/installer/newt/keymap.scm: New file.
* gnu/installer/newt/locale.scm: New file.
* gnu/installer/newt/menu.scm: New file.
* gnu/installer/newt/network.scm: New file.
* gnu/installer/newt/page.scm: New file.
* gnu/installer/newt/timezone.scm: New file.
* gnu/installer/newt/user.scm: New file.
* gnu/installer/newt/utils.scm: New file.
* gnu/installer/newt/welcome.scm: New file.
* gnu/installer/newt/wifi.scm: New file.
* gnu/installer/steps.scm: New file.
* gnu/installer/timezone.scm: New file.
* gnu/installer/utils.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add previous files.
* gnu/system.scm: Export %root-account.
* gnu/system/install.scm (%installation-services): Use kmscon instead of linux
VT for all tty.
(installation-os)[users]: Add the graphical installer as shell of the root
account.
[packages]: Add font related packages.
* po/guix/POTFILES.in: Add installer files.
</span></span></td><td>Mathieu Othacehe</td></tr>