randrproto fontconfig libX11 libXdmcp libxcb mesa xkbcomp xserver git update 22 Mar 2015

xserver          commit 0a78b599b34cc8b5fe6fe82f90e90234e8ab7a56
libxcb           commit a90be9955d2c5a635f791d44db1154633b9d3322
libX11           commit 5a499ca7b064bf7e6a4fcc169f22862dce0c60c5
libXdmcp         commit 0c09444d276fbf46a0e8b427a4f6a325d0625742
xkbcomp          commit fc3e6ddb2c8e922ea80f2dc5cbc1df2102e30d99
randrproto       commit b1ba68df8a5fc113a387123ec2f312195e28e47f
fontconfig       commit 69ff6b6e260584e383c38b1b7034ddcbb23d214f
mesa             commit 397b491173f0d2df4deb44d21c170bf16840d507

5 files changed, 97 insertions, 7 deletions

diff --git a/mesalib/include/c11/threads_posix.h b/mesalib/include/c11/threads_posix.h
index f9c165df4..2182c2835 100644
--- a/mesalib/include/c11/threads_posix.h
+++ b/mesalib/include/c11/threads_posix.h
@@ -177,13 +177,8 @@ mtx_init(mtx_t *mtx, int type)
       && type != (mtx_try|mtx_recursive))
         return thrd_error;
     pthread_mutexattr_init(&attr);
-    if ((type & mtx_recursive) != 0) {
-#if defined(__linux__) || defined(__linux)
-        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
-#else
+    if ((type & mtx_recursive) != 0)
         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-#endif
-    }
     pthread_mutex_init(mtx, &attr);
     pthread_mutexattr_destroy(&attr);
     return thrd_success;
diff --git a/mesalib/include/c99_alloca.h b/mesalib/include/c99_alloca.h
index ed66fda01..5a3b8c19a 100644
--- a/mesalib/include/c99_alloca.h
+++ b/mesalib/include/c99_alloca.h
@@ -35,7 +35,7 @@
 
 #  define alloca _alloca
 
-#elif defined(__sun)
+#elif defined(__sun) || defined(__CYGWIN__)
 
 #  include <alloca.h>
 
diff --git a/mesalib/include/c99_compat.h b/mesalib/include/c99_compat.h
index f56f6f326..4fc91bc13 100644
--- a/mesalib/include/c99_compat.h
+++ b/mesalib/include/c99_compat.h
@@ -25,6 +25,8 @@
  *
  **************************************************************************/
 
+#include "no_extern_c.h"
+
 #ifndef _C99_COMPAT_H_
 #define _C99_COMPAT_H_
 
diff --git a/mesalib/include/c99_math.h b/mesalib/include/c99_math.h
index 0a49950cf..5b01d53a8 100644
--- a/mesalib/include/c99_math.h
+++ b/mesalib/include/c99_math.h
@@ -71,6 +71,7 @@ roundf(float x)
 #endif
 
 #ifndef INFINITY
+#include <float.h> // DBL_MAX
 #define INFINITY (DBL_MAX + DBL_MAX)
 #endif
 
@@ -161,4 +162,48 @@ llrintf(float f)
 #endif
 
 
+#if defined(fpclassify)
+/* ISO C99 says that fpclassify is a macro.  Assume that any implementation
+ * of fpclassify, whether it's in a C99 compiler or not, will be a macro.
+ */
+#elif defined(__cplusplus)
+/* For C++, fpclassify() should be defined in <cmath> */
+#elif defined(_MSC_VER)
+/* Not required on VS2013 and above.  Oddly, the fpclassify() function
+ * doesn't exist in such a form on MSVC.  This is an implementation using
+ * slightly different lower-level Windows functions.
+ */
+#include <float.h>
+
+static inline enum {FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_NORMAL}
+fpclassify(double x)
+{
+   switch(_fpclass(x)) {
+   case _FPCLASS_SNAN: /* signaling NaN */
+   case _FPCLASS_QNAN: /* quiet NaN */
+      return FP_NAN;
+   case _FPCLASS_NINF: /* negative infinity */
+   case _FPCLASS_PINF: /* positive infinity */
+      return FP_INFINITE;
+   case _FPCLASS_NN:   /* negative normal */
+   case _FPCLASS_PN:   /* positive normal */
+      return FP_NORMAL;
+   case _FPCLASS_ND:   /* negative denormalized */
+   case _FPCLASS_PD:   /* positive denormalized */
+      return FP_SUBNORMAL;
+   case _FPCLASS_NZ:   /* negative zero */
+   case _FPCLASS_PZ:   /* positive zero */
+      return FP_ZERO;
+   default:
+      /* Should never get here; but if we do, this will guarantee
+       * that the pattern is not treated like a number.
+       */
+      return FP_NAN;
+   }
+}
+#else
+#error "Need to include or define an fpclassify function"
+#endif
+
+
 #endif /* #define _C99_MATH_H_ */
diff --git a/mesalib/include/no_extern_c.h b/mesalib/include/no_extern_c.h
new file mode 100644
index 000000000..f79602c03
--- /dev/null
+++ b/mesalib/include/no_extern_c.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+ *
+ * Copyright 2014 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+/*
+ * Including system's headers inside `extern "C" { ... }` is not safe, as system
+ * headers may have C++ code in them, and C++ code inside extern "C"
+ * leads to syntatically incorrect code.
+ *
+ * This is because putting code inside extern "C" won't make __cplusplus define
+ * go away, that is, the system header being included thinks is free to use C++
+ * as it sees fits.
+ *
+ * Including non-system headers inside extern "C"  is not safe either, because
+ * non-system headers end up including system headers, hence fall in the above
+ * case too.
+ *
+ * Conclusion, includes inside extern "C" is simply not portable.
+ *
+ *
+ * This header helps surface these issues.
+ */
+
+#ifdef __cplusplus
+template<class T> class _IncludeInsideExternCNotPortable;
+#endif