cmake HAVE_PORTAUDIO examples

savoirfairelinux/jami-daemon CMakeLists.txt :406

target_compile_definitions(${PROJECT_NAME} PRIVATE HAVE_PORTAUDIO)

JulNadeauCA/libagar CMakeChecks.cmake :2219

check_c_source_compiles("
#include <stdio.h>
#include <portaudio.h>

int
main(int argc, char *argv[])
{
	int rv;

	if ((rv = Pa_Initialize()) != paNoError) {
		if (Pa_IsFormatSupported(NULL, NULL, 48000.0) != 0) {
			return (0);
		} else {
			return (rv);
		}
	} else {
		Pa_Terminate();
		return (0);
	}
}
" HAVE_PORTAUDIO)