added missing FindPixman script

CMakeModules/FindPixman.cmake

@@ -0,0 +1,40 @@
+# - Find Pixman
+# Find the Pixman libraries
+#
+#  This module defines the following variables:
+#     PIXMAN_FOUND        - true if PIXMAN_INCLUDE_DIR & PIXMAN_LIBRARY are found
+#     PIXMAN_LIBRARIES    - Set when PIXMAN_LIBRARY is found
+#     PIXMAN_INCLUDE_DIRS - Set when PIXMAN_INCLUDE_DIR is found
+#
+#     PIXMAN_INCLUDE_DIR  - where to find pixman.h, etc.
+#     PIXMAN_LIBRARY      - the Pixman library
+#
+
+#=============================================================================
+# Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#=============================================================================
+
+find_path(PIXMAN_INCLUDE_DIR NAMES pixman.h PATH_SUFFIXES pixman-1)
+
+find_library(PIXMAN_LIBRARY NAMES pixman-1)
+
+find_package_handle_standard_args(pixman-1 DEFAULT_MSG PIXMAN_LIBRARY PIXMAN_INCLUDE_DIR)
+
+if(PIXMAN-1_FOUND)
+  set(PIXMAN_LIBRARIES ${PIXMAN_LIBRARY})
+  set(PIXMAN_INCLUDE_DIRS ${PIXMAN_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(PIXMAN_INCLUDE_DIR PIXMAN_LIBRARY)