mirror of
https://gitee.com/openharmony/third_party_libsnd
synced 2024-11-27 03:50:29 +00:00
93 lines
2.2 KiB
CMake
93 lines
2.2 KiB
CMake
include (CheckCSourceRuns)
|
|
include (CMakePushCheckState)
|
|
|
|
macro (CLIP_MODE)
|
|
if ((NOT DEFINED CPU_CLIPS_NEGATIVE) AND (NOT DEFINED CPU_CLIPS_POSITIVE))
|
|
set (CLIP_MODE_POSITIVE_MESSAGE "Target processor clips on positive float to int conversion")
|
|
set (CLIP_MODE_NEGATIVE_MESSAGE "Target processor clips on negative float to int conversion")
|
|
|
|
message (STATUS "Checking processor clipping capabilities...")
|
|
|
|
if (CMAKE_CROSSCOMPILING)
|
|
|
|
set (CLIP_MSG "disabled")
|
|
set (CPU_CLIPS_POSITIVE FALSE CACHE BOOL ${CLIP_MODE_POSITIVE_MESSAGE})
|
|
set (CPU_CLIPS_NEGATIVE FALSE CACHE BOOL ${CLIP_MODE_NEGATIVE_MESSAGE})
|
|
|
|
else (NOT CMAKE_CROSSCOMPILING)
|
|
|
|
cmake_push_check_state ()
|
|
|
|
set (CMAKE_REQUIRED_QUIET TRUE)
|
|
if (LIBM_REQUIRED)
|
|
set (CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${M_LIBRARY})
|
|
endif ()
|
|
|
|
check_c_source_runs (
|
|
"
|
|
#define _ISOC9X_SOURCE 1
|
|
#define _ISOC99_SOURCE 1
|
|
#define __USE_ISOC99 1
|
|
#define __USE_ISOC9X 1
|
|
#include <math.h>
|
|
int main (void)
|
|
{ double fval ;
|
|
int k, ival ;
|
|
|
|
fval = 1.0 * 0x7FFFFFFF ;
|
|
for (k = 0 ; k < 100 ; k++)
|
|
{ ival = (lrint (fval)) >> 24 ;
|
|
if (ival != 127)
|
|
return 1 ;
|
|
|
|
fval *= 1.2499999 ;
|
|
} ;
|
|
|
|
return 0 ;
|
|
}
|
|
"
|
|
CPU_CLIPS_POSITIVE)
|
|
|
|
check_c_source_runs (
|
|
"
|
|
#define _ISOC9X_SOURCE 1
|
|
#define _ISOC99_SOURCE 1
|
|
#define __USE_ISOC99 1
|
|
#define __USE_ISOC9X 1
|
|
#include <math.h>
|
|
int main (void)
|
|
{ double fval ;
|
|
int k, ival ;
|
|
|
|
fval = -8.0 * 0x10000000 ;
|
|
for (k = 0 ; k < 100 ; k++)
|
|
{ ival = (lrint (fval)) >> 24 ;
|
|
if (ival != -128)
|
|
return 1 ;
|
|
|
|
fval *= 1.2499999 ;
|
|
} ;
|
|
|
|
return 0 ;
|
|
}
|
|
"
|
|
CPU_CLIPS_NEGATIVE)
|
|
|
|
cmake_pop_check_state ()
|
|
|
|
if (CPU_CLIPS_POSITIVE AND (NOT CPU_CLIPS_NEGATIVE))
|
|
set (CLIP_MSG "positive")
|
|
elseif (CPU_CLIPS_NEGATIVE AND (NOT CPU_CLIPS_POSITIVE))
|
|
set (CLIP_MSG "negative")
|
|
elseif (CPU_CLIPS_POSITIVE AND CPU_CLIPS_NEGATIVE)
|
|
set (CLIP_MSG "both")
|
|
else ()
|
|
set (CLIP_MSG "none")
|
|
endif ()
|
|
|
|
endif (CMAKE_CROSSCOMPILING)
|
|
|
|
message (STATUS "Checking processor clipping capabilities... ${CLIP_MSG}")
|
|
endif ()
|
|
endmacro (CLIP_MODE)
|