kmixer: check for ALSA via module

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

kmixer/CMakeLists.txt

@@ -7,6 +7,15 @@ if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
     add_definitions(${QT_DEFINITIONS} ${KDE4_DEFINITIONS})
 endif()
 
+find_package(ALSA REQUIRED)
+set_package_properties(ALSA PROPERTIES
+    DESCRIPTION "Advanced Linux Sound Architecture"
+    URL "https://alsa-project.org/wiki/Main_Page"
+    PURPOSE "KMixer ALSA backend"
+)
+
+include_directories(${ALSA_INCLUDE_DIR})
+
 set(kmixer_sources
     kmixer.cpp
 )
@@ -15,7 +24,7 @@ add_executable(kmixer ${kmixer_sources})
 target_link_libraries(kmixer
     ${KDE4_KDEUI_LIBS}
     ${KDE4_KFILE_LIBS}
-    asound
+    ${ALSA_LIBRARIES}
 )
 
 install(TARGETS kmixer DESTINATION ${KDE4_BIN_INSTALL_DIR})