$NetBSD: patch-configure,v 1.2 2015/09/11 00:03:36 tnn Exp $

Make sure toolchain can assemble SSE stuff in addition to having intrinsics.
Add libdevq support from FreeBSD ports.

--- configure.orig	2015-09-04 22:02:51.000000000 +0000
+++ configure
@@ -858,6 +858,8 @@ GLPROTO_LIBS
 GLPROTO_CFLAGS
 XLIBGL_LIBS
 XLIBGL_CFLAGS
+LIBDEVQ_LIBS
+LIBDEVQ_CFLAGS
 LIBUDEV_LIBS
 LIBUDEV_CFLAGS
 MESA_LLVM
@@ -1154,6 +1156,8 @@ LIBDRM_CFLAGS
 LIBDRM_LIBS
 LIBUDEV_CFLAGS
 LIBUDEV_LIBS
+LIBDEVQ_CFLAGS
+LIBDEVQ_LIBS
 XLIBGL_CFLAGS
 XLIBGL_LIBS
 GLPROTO_CFLAGS
@@ -5231,6 +5235,7 @@ DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 LIBUDEV_REQUIRED=151
+LIBDEVQ_REQUIRED=0.0.2
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0
 LIBVA_REQUIRED=0.35.0
@@ -19694,7 +19699,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_
 #include <smmintrin.h>
 int main () {
     __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
-    c = _mm_max_epu32(a, b);
+    c = _mm_max_epu32(a, b); asm volatile ("movntdqa (%esi),%xmm3\n");
     return 0;
 }
 _ACEOF
@@ -20466,7 +20471,7 @@ _ACEOF
 $as_echo_n "checking if more special flags are required for pthreads... " >&6; }
         flag=no
         case ${host_os} in
-            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
+            aix* | freebsd* | dragonfly* | darwin*) flag="-D_THREAD_SAFE";;
             osf* | hpux*) flag="-D_REENTRANT";;
             solaris*)
             if test "$GCC" = "yes"; then
@@ -21349,6 +21354,89 @@ else
 fi
 
 
+
+# Check for libdevq
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBDEVQ" >&5
+$as_echo_n "checking for LIBDEVQ... " >&6; }
+if test -n "$LIBDEVQ_CFLAGS"; then
+    pkg_cv_LIBDEVQ_CFLAGS="$LIBDEVQ_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists
+ --print-errors \"libdevq-1.0 >= \$LIBDEVQ_REQUIRED\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libdevq-1.0 >= $LIBDEVQ_REQUIRED") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_LIBDEVQ_CFLAGS=`$PKG_CONFIG --cflags "libdevq-1.0 >=
+ $LIBDEVQ_REQUIRED" 2>/dev/null`
+              test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$LIBDEVQ_LIBS"; then
+    pkg_cv_LIBDEVQ_LIBS="$LIBDEVQ_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists
+ --print-errors \"libdevq-1.0 >= \$LIBDEVQ_REQUIRED\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libdevq-1.0 >= $LIBDEVQ_REQUIRED") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_LIBDEVQ_LIBS=`$PKG_CONFIG --libs "libdevq-1.0 >=
+ $LIBDEVQ_REQUIRED" 2>/dev/null`
+              test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+            LIBDEVQ_PKG_ERRORS=`$PKG_CONFIG --short-errors
+ --print-errors --cflags --libs "libdevq-1.0 >= $LIBDEVQ_REQUIRED"
+ 2>&1`
+        else
+            LIBDEVQ_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags
+ --libs "libdevq-1.0 >= $LIBDEVQ_REQUIRED" 2>&1`
+        fi
+    # Put the nasty error message in config.log where it belongs
+    echo "$LIBDEVQ_PKG_ERRORS" >&5
+
+    have_libdevq=no
+elif test $pkg_failed = untried; then
+         { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    have_libdevq=no
+else
+    LIBDEVQ_CFLAGS=$pkg_cv_LIBDEVQ_CFLAGS
+    LIBDEVQ_LIBS=$pkg_cv_LIBDEVQ_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    have_libdevq=yes
+fi
+
+
+
+
 if test "x$enable_dri" = xyes; then
     if test "$enable_static" = yes; then
         as_fn_error $? "Cannot use static libraries for DRI drivers" "$LINENO" 5
@@ -22060,6 +22148,10 @@ if test "$have_sysfs" = yes; then
     DEFINES="$DEFINES -DHAVE_SYSFS"
     have_pci_id=yes
 fi
+if test "$have_libdevq" = yes; then
+    DEFINES="$DEFINES -DHAVE_LIBDEVQ"
+    have_pci_id=yes
+fi
 
 # This is outside the case (above) so that it is invoked even for non-GLX
 # builds.
@@ -23002,6 +23094,8 @@ fi
 
 if test "x$need_pci_id$have_libudev" = xyesyes; then
     GBM_PC_REQ_PRIV="libudev >= $LIBUDEV_REQUIRED"
+elif test "x$need_libdevq" = xyes; then
+    GBM_PC_REQ_PRIV="libdevq-1.0 >= $LIBDEVQ_REQUIRED"
 else
     GBM_PC_REQ_PRIV=""
 fi
@@ -24558,9 +24652,6 @@ fi
                 CLANG_LIBDIR=${LLVM_LIBDIR}
             fi
             CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
-            if test ! -f "$CLANG_RESOURCE_DIR/include/stddef.h"; then :
-  as_fn_error $? "Could not find clang internal header stddef.h in $CLANG_RESOURCE_DIR Use --with-clang-libdir to specify the correct path to the clang libraries." "$LINENO" 5
-fi
         fi
     else
         MESA_LLVM=0