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# - Try to find Portaudio
# Once done this will define
#
# PortAudio_FOUND - system has Portaudio
# PortAudio_INCLUDE_DIRS - the Portaudio include directory
# PortAudio_LIBRARIES - Link these to use Portaudio
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
pkg_check_modules(PC_PortAudio portaudio-2.0)
endif()
find_path(PortAudio_INCLUDE_DIRS
NAMES
portaudio.h
PATHS
/usr/local/include
/usr/include
HINTS
${PC_PortAudio_INCLUDEDIR}
)
find_library(PortAudio_LIBRARIES
NAMES
portaudio
PATHS
/usr/local/lib
/usr/lib
/usr/lib64
HINTS
${PC_PortAudio_LIBDIR}
)
mark_as_advanced(PortAudio_INCLUDE_DIRS PortAudio_LIBRARIES)
# Found PortAudio, but it may be version 18 which is not acceptable.
if(EXISTS ${PortAudio_INCLUDE_DIRS}/portaudio.h)
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES_SAVED ${CMAKE_REQUIRED_INCLUDES})
set(CMAKE_REQUIRED_INCLUDES ${PortAudio_INCLUDE_DIRS})
CHECK_CXX_SOURCE_COMPILES(
"#include <portaudio.h>\nPaDeviceIndex pa_find_device_by_name(const char *name); int main () {return 0;}"
PortAudio2_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_SAVED})
unset(CMAKE_REQUIRED_INCLUDES_SAVED)
if(PortAudio2_FOUND)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PortAudio DEFAULT_MSG PortAudio_INCLUDE_DIRS PortAudio_LIBRARIES)
else(PortAudio2_FOUND)
message(STATUS
" portaudio.h not compatible (requires API 2.0)")
set(PortAudio_FOUND FALSE)
endif(PortAudio2_FOUND)
endif()
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