--- trunk/configure.ac	2007-01-16 16:58:44.000000000 +0000
+++ trunk/configure.ac	2007-01-16 18:09:26.000000000 +0000
@@ -69,11 +69,11 @@
 AC_HEADER_STDC
 
 if test "$DRI" != no; then
-        AC_CHECK_FILE([${sdkdir}/dri.h],
+        AC_CHECK_BUILD_FILE([${sdkdir}/dri.h],
                       [have_dri_h="yes"], [have_dri_h="no"])
-        AC_CHECK_FILE([${sdkdir}/sarea.h],
+        AC_CHECK_BUILD_FILE([${sdkdir}/sarea.h],
                       [have_sarea_h="yes"], [have_sarea_h="no"])
-        AC_CHECK_FILE([${sdkdir}/dristruct.h],
+        AC_CHECK_BUILD_FILE([${sdkdir}/dristruct.h],
                       [have_dristruct_h="yes"], [have_dristruct_h="no"])
 fi
 
@@ -113,7 +113,7 @@
 
 AM_CONDITIONAL(XVMC, test x$XVMC = xyes)
 
-AC_CHECK_FILE([${sdkdir}/xf86Module.h],
+AC_CHECK_BUILD_FILE([${sdkdir}/xf86Module.h],
               [have_xf86Module_h="yes"], [have_xf86Module_h="no"])
 
 # Check the ABI_VIDEODRV_VERSION
--- /dev/null	2003-09-15 14:40:47.000000000 +0100
+++ trunk/m4/check-build.m4	2007-01-16 18:07:37.000000000 +0000
@@ -0,0 +1,13 @@
+# Check for the existence of FILE.
+AC_DEFUN([AC_CHECK_BUILD_FILE],
+[AS_VAR_PUSHDEF([ac_File], [ac_cv_file_$1])dnl
+AC_CACHE_CHECK([for $1], ac_File,
+[if test -r "$1"; then
+  AS_VAR_SET(ac_File, yes)
+else
+  AS_VAR_SET(ac_File, no)
+fi])
+AS_IF([test AS_VAR_GET(ac_File) = yes], [$2], [$3])[]dnl
+AS_VAR_POPDEF([ac_File])dnl
+])# AC_CHECK_BUILD_FILE
+