cmake: add libsamplerate find module

2 files changed, 71 insertions, 4 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c22266c06c6..8ed9b03c161 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -376,10 +376,10 @@ if(UNIX AND NOT APPLE)
 	endif()
 
 	if(WITH_SAMPLERATE)
-		set(SAMPLERATE /usr)
-		set(SAMPLERATE_INCLUDE_DIRS ${SAMPLERATE}/include)
-		set(SAMPLERATE_LIBRARIES samplerate)
-		set(SAMPLERATE_LIBPATH ${SAMPLERATE}/lib)
+		find_package(Samplerate)
+		if(NOT SAMPLERATE_FOUND)
+			set(WITH_SAMPLERATE OFF)
+		endif()
 	endif()
 
 	if(WITH_OPENCOLLADA)
diff --git a/build_files/cmake/Modules/FindSamplerate.cmake b/build_files/cmake/Modules/FindSamplerate.cmake
new file mode 100644
index 00000000000..1312693346d
--- /dev/null
+++ b/build_files/cmake/Modules/FindSamplerate.cmake
@@ -0,0 +1,67 @@
+# - Find Samplerate library
+# Find the native Samplerate includes and library
+# This module defines
+#  SAMPLERATE_INCLUDE_DIRS, where to find samplerate.h, Set when
+#                        SAMPLERATE_INCLUDE_DIR is found.
+#  SAMPLERATE_LIBRARIES, libraries to link against to use Samplerate.
+#  SAMPLERATE_ROOT_DIR, The base directory to search for Samplerate.
+#                    This can also be an environment variable.
+#  SAMPLERATE_FOUND, If false, do not try to use Samplerate.
+#
+# also defined, but not for general use are
+#  SAMPLERATE_LIBRARY, where to find the Samplerate library.
+
+#=============================================================================
+# Copyright 2002-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# If SAMPLERATE_ROOT_DIR was defined in the environment, use it.
+IF(NOT SAMPLERATE_ROOT_DIR AND NOT $ENV{SAMPLERATE_ROOT_DIR} STREQUAL "")
+  SET(SAMPLERATE_ROOT_DIR $ENV{SAMPLERATE_ROOT_DIR})
+ENDIF()
+
+SET(_samplerate_SEARCH_DIRS
+  ${SAMPLERATE_ROOT_DIR}
+  /usr/local
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+)
+
+FIND_PATH(SAMPLERATE_INCLUDE_DIR samplerate.h
+  HINTS
+    ${_samplerate_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include
+)
+
+FIND_LIBRARY(SAMPLERATE_LIBRARY
+  NAMES "samplerate"
+  HINTS ${_samplerate_SEARCH_DIRS}
+  PATH_SUFFIXES lib64 lib
+  )
+
+# handle the QUIETLY and REQUIRED arguments and set SAMPLERATE_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Samplerate DEFAULT_MSG
+    SAMPLERATE_LIBRARY SAMPLERATE_INCLUDE_DIR)
+
+IF(SAMPLERATE_FOUND)
+  SET(SAMPLERATE_LIBRARIES ${SAMPLERATE_LIBRARY})
+  SET(SAMPLERATE_INCLUDE_DIRS ${SAMPLERATE_INCLUDE_DIR})
+ENDIF(SAMPLERATE_FOUND)
+
+MARK_AS_ADVANCED(
+  SAMPLERATE_INCLUDE_DIR
+  SAMPLERATE_LIBRARY
+)