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# - Find Open Sound System
#
# OSS_FOUND - True if OSS headers found.
# This file is Allegro-specific and requires the following variables to be
# set elsewhere:
# ALLEGRO_HAVE_MACHINE_SOUNDCARD_H
# ALLEGRO_HAVE_LINUX_SOUNDCARD_H
# ALLEGRO_HAVE_SYS_SOUNDCARD_H
# ALLEGRO_HAVE_SOUNDCARD_H
if(OSS_INCLUDE_DIR)
# Already in cache, be silent
set(OSS_FIND_QUIETLY TRUE)
endif(OSS_INCLUDE_DIR)
set(CMAKE_REQUIRED_DEFINITIONS)
if(ALLEGRO_HAVE_SOUNDCARD_H OR ALLEGRO_HAVE_SYS_SOUNDCARD_H OR
ALLEGRO_HAVE_MACHINE_SOUNDCARD_H OR ALLEGRO_LINUX_SYS_SOUNDCARD_H)
if(ALLEGRO_HAVE_MACHINE_SOUNDCARD_H)
set(CMAKE_REQUIRED_DEFINITIONS -DALLEGRO_HAVE_MACHINE_SOUNDCARD_H)
endif(ALLEGRO_HAVE_MACHINE_SOUNDCARD_H)
if(ALLEGRO_HAVE_LINUX_SOUNDCARD_H)
set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-DALLEGRO_HAVE_LINUX_SOUNDCARD_H)
endif(ALLEGRO_HAVE_LINUX_SOUNDCARD_H)
if(ALLEGRO_HAVE_SYS_SOUNDCARD_H)
set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-DALLEGRO_HAVE_SYS_SOUNDCARD_H)
endif(ALLEGRO_HAVE_SYS_SOUNDCARD_H)
if(ALLEGRO_HAVE_SOUNDCARD_H)
set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-DALLEGRO_HAVE_SOUNDCARD_H)
endif(ALLEGRO_HAVE_SOUNDCARD_H)
check_c_source_compiles("
#ifdef ALLEGRO_HAVE_SOUNDCARD_H
#include <soundcard.h>
#endif
#ifdef ALLEGRO_HAVE_SYS_SOUNDCARD_H
#include <sys/soundcard.h>
#endif
#ifdef ALLEGRO_HAVE_LINUX_SOUNDCARD_H
#include <linux/soundcard.h>
#endif
#ifdef ALLEGRO_HAVE_MACHINE_SOUNDCARD_H
#include <machine/soundcard.h>
#endif
int main(void) {
audio_buf_info abi;
return 0;
}"
OSS_COMPILES
)
set(CMAKE_REQUIRED_DEFINITIONS)
endif(ALLEGRO_HAVE_SOUNDCARD_H OR ALLEGRO_HAVE_SYS_SOUNDCARD_H OR
ALLEGRO_HAVE_MACHINE_SOUNDCARD_H OR ALLEGRO_LINUX_SYS_SOUNDCARD_H)
# Handle the QUIETLY and REQUIRED arguments and set OSS_FOUND to TRUE if
# all listed variables are TRUE.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OSS DEFAULT_MSG
OSS_COMPILES)
mark_as_advanced(OSS_COMPILES)
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