build: add FindOrc.cmake

cmake/modules/FindOrc.cmake

@@ -0,0 +1,34 @@
+# - Try to find the Orc libraries
+# Once done this will define
+#
+#  ORC_FOUND - system has Orc
+#  ORC_INCLUDE_DIR - the Orc include directory
+#  ORC_LIBRARIES - Orc library
+
+# Copyright (c) 2008 Laurent Montel, <montel@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+if (NOT WIN32)
+   find_package(PkgConfig REQUIRED)
+   pkg_check_modules(PKG_ORC REQUIRED orc-0.4)
+endif(NOT WIN32)
+
+if (CMAKE_SIZEOF_VOID_P MATCHES "8")
+    set(GSTREAMER_ROOT $ENV{GSTREAMER_1_0_ROOT_X86_64})
+else ()
+    set(GSTREAMER_ROOT $ENV{GSTREAMER_1_0_ROOT_X86})
+endif ()
+
+find_path(ORC_INCLUDE_DIR orc/orc.h
+          PATH_SUFFIXES orc-0.4
+          HINTS ${PKG_ORC_INCLUDE_DIRS} ${PKG_ORC_INCLUDEDIR} ${GSTREAMER_ROOT}/include)
+
+find_library(ORC_LIBRARIES
+             NAMES orc-0.4
+             HINTS ${PKG_ORC_LIBRARY_DIRS} ${PKG_ORC_LIBDIR} ${GSTREAMER_ROOT}/lib)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(ORC  DEFAULT_MSG  ORC_LIBRARIES ORC_INCLUDE_DIR)