#14411: cross-compile libsample
Signed-off-by: Emeric Vigier <emeric.vigier@savoirfairelinux.com>
diff --git a/jni/libsamplerate-0.1.8/M4/clip_mode.m4 b/jni/libsamplerate-0.1.8/M4/clip_mode.m4
new file mode 100644
index 0000000..57c94a9
--- /dev/null
+++ b/jni/libsamplerate-0.1.8/M4/clip_mode.m4
@@ -0,0 +1,124 @@
+dnl @synopsis AC_C_CLIP_MODE
+dnl
+dnl Determine the clipping mode when converting float to int.
+dnl @version 1.0 May 17 2003
+dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
+dnl
+dnl Permission to use, copy, modify, distribute, and sell this file for any
+dnl purpose is hereby granted without fee, provided that the above copyright
+dnl and this permission notice appear in all copies. No representations are
+dnl made about the suitability of this software for any purpose. It is
+dnl provided "as is" without express or implied warranty.
+
+
+
+
+
+
+
+dnl Find the clipping mode in the following way:
+dnl 1) If we are not cross compiling test it.
+dnl 2) IF we are cross compiling, assume that clipping isn't done correctly.
+
+AC_DEFUN([AC_C_CLIP_MODE],
+[AC_CACHE_CHECK(processor clipping capabilities,
+ ac_cv_c_clip_type,
+
+# Initialize to unknown
+ac_cv_c_clip_positive=unknown
+ac_cv_c_clip_negative=unknown
+
+
+if test $ac_cv_c_clip_positive = unknown ; then
+ AC_TRY_RUN(
+ [[
+ #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 ;
+ }
+ ]],
+ ac_cv_c_clip_positive=yes,
+ ac_cv_c_clip_positive=no,
+ ac_cv_c_clip_positive=unknown
+ )
+
+ AC_TRY_RUN(
+ [[
+ #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 ;
+ }
+ ]],
+ ac_cv_c_clip_negative=yes,
+ ac_cv_c_clip_negative=no,
+ ac_cv_c_clip_negative=unknown
+ )
+ fi
+
+if test $ac_cv_c_clip_positive = yes ; then
+ ac_cv_c_clip_positive=1
+else
+ ac_cv_c_clip_positive=0
+ fi
+
+if test $ac_cv_c_clip_negative = yes ; then
+ ac_cv_c_clip_negative=1
+else
+ ac_cv_c_clip_negative=0
+ fi
+
+[[
+case "$ac_cv_c_clip_positive$ac_cv_c_clip_negative" in
+ "00")
+ ac_cv_c_clip_type="none"
+ ;;
+ "10")
+ ac_cv_c_clip_type="positive"
+ ;;
+ "01")
+ ac_cv_c_clip_type="negative"
+ ;;
+ "11")
+ ac_cv_c_clip_type="both"
+ ;;
+ esac
+ ]]
+
+)
+]
+
+)# AC_C_CLIP_MODE
+
+