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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
include(FindPkgConfig)
pkg_check_modules(PC_PORTAUDIO portaudio-2.0)
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 ${CMAKE_REQUIRED_INCLUDES_SAVED})
unset(CMAKE_REQUIRED_INCLUDES_SAVED)
if(PORTAUDIO2_FOUND)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PORTAUDIO DEFAULT_MSG PORTAUDIO_INCLUDE_DIRS PORTAUDIO_LIBRARIES)
if (PORTAUDIO_FOUND AND NOT TARGET Portaudio::Portaudio)
add_library(Portaudio::Portaudio INTERFACE IMPORTED)
set_target_properties(Portaudio::Portaudio PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${PORTAUDIO_INCLUDE_DIRS}"
INTERFACE_LINK_LIBRARIES "${PORTAUDIO_LIBRARIES}"
)
endif()
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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