autoconfiscate libdrm
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..4fb505d
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,46 @@
+#  Copyright 2005 Adam Jackson.
+#
+#  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
+#  on the rights to use, copy, modify, merge, publish, distribute, sub
+#  license, 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 (including the next
+#  paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+#  ADAM JACKSON 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.
+
+AC_PREREQ(2.57)
+AC_INIT([libdrm], 1.0.0, [dri-devel@lists.sourceforge.net], libdrm)
+AC_CONFIG_SRCDIR([Makefile.am])
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+AM_CONFIG_HEADER([libdrm/config.h])
+
+AC_PROG_LIBTOOL
+AC_PROG_CC
+
+AC_HEADER_STDC
+
+AC_ARG_ENABLE(system, AC_HELP_STRING([--enable-system],
+              [Configure to be the system libdrm]),
+              [SYSTEM=$enableval], [SYSTEM=no])
+AM_CONDITIONAL(SYSTEM, [test x$SYSTEM = xyes])
+if test x$SYSTEM = xyes; then
+    libdir=/lib
+    includedir=/usr/include
+    pkgconfigdir=/usr/lib/pkgconfig
+else
+    pkgconfigdir=${libdir}/pkgconfig
+fi
+AC_SUBST(pkgconfigdir)
+
+AC_OUTPUT([Makefile libdrm/Makefile libdrm.pc])