Use find cmake modules for more backends

1 files changed, 43 insertions, 0 deletions

diff --git a/cmake/FindPulseAudio.cmake b/cmake/FindPulseAudio.cmake
new file mode 100644
index 00000000..1f6f843a
--- /dev/null
+++ b/cmake/FindPulseAudio.cmake
@@ -0,0 +1,43 @@
+# - Find PulseAudio includes and libraries
+#
+#   PULSEAUDIO_FOUND        - True if PULSEAUDIO_INCLUDE_DIR &
+#                             PULSEAUDIO_LIBRARY are found
+#   PULSEAUDIO_LIBRARIES    - Set when PULSEAUDIO_LIBRARY is found
+#   PULSEAUDIO_INCLUDE_DIRS - Set when PULSEAUDIO_INCLUDE_DIR is found
+#
+#   PULSEAUDIO_INCLUDE_DIR - where to find pulse/pulseaudio.h, etc.
+#   PULSEAUDIO_LIBRARY     - the pulse library
+#   PULSEAUDIO_VERSION_STRING - the version of PulseAudio found
+#
+
+find_path(PULSEAUDIO_INCLUDE_DIR
+          NAMES pulse/pulseaudio.h
+          DOC "The PulseAudio include directory"
+)
+
+find_library(PULSEAUDIO_LIBRARY
+             NAMES pulse
+             DOC "The PulseAudio library"
+)
+
+if(PULSEAUDIO_INCLUDE_DIR AND EXISTS "${PULSEAUDIO_INCLUDE_DIR}/pulse/version.h")
+    file(STRINGS "${PULSEAUDIO_INCLUDE_DIR}/pulse/version.h" pulse_version_str
+         REGEX "^#define[\t ]+pa_get_headers_version\\(\\)[\t ]+\\(\".*\"\\)")
+
+    string(REGEX REPLACE "^.*pa_get_headers_version\\(\\)[\t ]+\\(\"([^\"]*)\"\\).*$" "\\1"
+           PULSEAUDIO_VERSION_STRING "${pulse_version_str}")
+    unset(pulse_version_str)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(PulseAudio
+    REQUIRED_VARS PULSEAUDIO_LIBRARY PULSEAUDIO_INCLUDE_DIR
+    VERSION_VAR PULSEAUDIO_VERSION_STRING
+)
+
+if(PULSEAUDIO_FOUND)
+    set(PULSEAUDIO_LIBRARIES ${PULSEAUDIO_LIBRARY})
+    set(PULSEAUDIO_INCLUDE_DIRS ${PULSEAUDIO_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(PULSEAUDIO_INCLUDE_DIR PULSEAUDIO_LIBRARY)