cmake: fix PulseAudio.cmake version detection

diff --git a/cmake/FindPulse.cmake b/cmake/FindPulse.cmake
index 4456a53..acfc2c1 100644 (file)
--- a/cmake/FindPulse.cmake
+++ b/cmake/FindPulse.cmake
@@ -11,14 +11,14 @@ find_library(PULSE_LIBRARY pulse PATHS ${PULSE_LIBRARY_DIRS})
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Pulse DEFAULT_MSG PULSE_INCLUDE_DIR PULSE_LIBRARY)
 
 if(PULSE_LIBRARY)
-       execute_process(COMMAND "pactl" "--version" OUTPUT_VARIABLE PULSE_VERSION_OUTPUT)
-       STRING(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" PULSE_VERSION "${PULSE_VERSION_OUTPUT}")
-       if(NOT PULSE_VERSION)
-               message(FATAL_ERROR "PulseAudio is not installed")
-       endif()
-       STRING(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" PULSE_VERSION_MAJOR "${PULSE_VERSION}")
-       STRING(REGEX REPLACE "^[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" PULSE_VERSION_MINOR "${PULSE_VERSION}")
-       STRING(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" PULSE_VERSION_PATCH "${PULSE_VERSION}")
+       file(STRINGS "${PULSE_INCLUDE_DIR}/pulse/version.h" STR1 REGEX "PA_MAJOR")
+       file(STRINGS "${PULSE_INCLUDE_DIR}/pulse/version.h" STR2 REGEX "PA_MINOR")
+       file(STRINGS "${PULSE_INCLUDE_DIR}/pulse/version.h" STR3 REGEX "PA_MICRO")
+
+       string(REGEX MATCHALL "[0-9]+" PULSE_VERSION_MAJOR ${STR1})
+       string(REGEX MATCHALL "[0-9]+" PULSE_VERSION_MINOR ${STR2})
+       string(REGEX MATCHALL "[0-9]+" PULSE_VERSION_PATCH ${STR3})
+       
        if(PULSE_VERSION_PATCH EQUAL 0)
                set(PULSE_VERSION "${PULSE_VERSION_MAJOR}.${PULSE_VERSION_MINOR}")
        else()