[NEW Module] FindAlsa audio library (Advanced Linux Sound Architecture)

Modules/FindALSA.cmake

@@ -0,0 +1,32 @@
+# - Find alsa
+# Find the alsa libraries (asound)
+#
+#  This module defines the following variables:
+#     ALSA_FOUND       - True if ALSA_INCLUDE_DIR & ALSA_LIBRARY are found
+#     ALSA_LIBRARIES   - Set when ALSA_LIBRARY is found
+#     ALSA_INCLUDE_DIRS - Set when ALSA_INCLUDE_DIR is found
+#
+#     ALSA_INCLUDE_DIR - where to find asoundlib.h, etc.
+#     ALSA_LIBRARY     - the asound library
+#
+
+find_path(ALSA_INCLUDE_DIR NAMES asoundlib.h
+          PATH_SUFFIXES alsa
+          DOC "The ALSA (asound) include directory"
+)
+
+find_library(ALSA_LIBRARY NAMES asound
+          DOC "The ALSA (asound) library"
+)
+
+# handle the QUIETLY and REQUIRED arguments and set ALSA_FOUND to TRUE if 
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(ALSA DEFAULT_MSG ALSA_LIBRARY ALSA_INCLUDE_DIR)
+
+if(ALSA_FOUND)
+  set( ALSA_LIBRARIES ${ALSA_LIBRARY} )
+  set( ALSA_INCLUDE_DIRS ${ALSA_INCLUDE_DIR} )
+endif()
+
+mark_as_advanced(ALSA_INCLUDE_DIR ALSA_LIBRARY)