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+
+
+
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])
;;
esac
AC_C_BIGENDIAN([
AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian])
])
AS_IF([test x"$ac_cv_c_bigendian" = x"universal"], [
AC_DEFINE(OF_UNIVERSAL, 1, [Whether we are building a universal binary])
])
AC_MSG_CHECKING(for SIZE_MAX)
AC_EGREP_CPP(yes, [
#include <stdint.h>
#include <limits.h>
#ifdef SIZE_MAX
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+
-
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-
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-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
AC_CHECK_SIZEOF(double)
AS_IF([test x"$ac_cv_sizeof_float" != x"4" -o x"$ac_cv_sizeof_double" != x"8"],
[AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
AC_MSG_CHECKING(for floating point endianess)
fp_endianess="unknown"
AS_IF([test x"$ac_cv_c_bigendian" != x"universal"], [
AC_TRY_COMPILE([
double endianess = 2.993700760838795055656993580068609688772747263874402942272934826871811872228512759832626847251963763755836687759498519784550143745834860002945223766052808125982053455555265216112722718870586961456110693379343178124592311441022662940307099598578775368547768968914916965731708568179631324904813506101190853720749196062963892799499230635163056742330563321122389331703618066046034494287335316842529021563862331183541255013987734473643350285400060357711238514186776429325214739886098119655678483017894951556639821088508565036657794343031121375178126860889964700274558728491825977274341798997758923017217660272136611938897932105874133412726223468780517578125e-259;
], [
], [
AS_IF([$EGREP BigEnd conftest.$ac_objext >/dev/null], [
AC_DEFINE(OF_FLOAT_BIG_ENDIAN, 1,
[Whether floats are big endian])
fp_endianess="big endian"
], [
AS_IF([$EGREP dnEgiB conftest.$ac_objext >/dev/null], [
fp_endianess="little endian"
])
])
AC_TRY_COMPILE([
double endianess = 2.993700760838795055656993580068609688772747263874402942272934826871811872228512759832626847251963763755836687759498519784550143745834860002945223766052808125982053455555265216112722718870586961456110693379343178124592311441022662940307099598578775368547768968914916965731708568179631324904813506101190853720749196062963892799499230635163056742330563321122389331703618066046034494287335316842529021563862331183541255013987734473643350285400060357711238514186776429325214739886098119655678483017894951556639821088508565036657794343031121375178126860889964700274558728491825977274341798997758923017217660272136611938897932105874133412726223468780517578125e-259;
], [
], [
AS_IF([$EGREP BigEnd conftest.$ac_objext >/dev/null], [
AC_DEFINE(OF_FLOAT_BIG_ENDIAN, 1,
[Whether floats are big endian])
fp_endianess="big endian"
], [
AS_IF([$EGREP dnEgiB conftest.$ac_objext >/dev/null], [
fp_endianess="little endian"
])
])
])
], [
fp_endianess="universal"
])
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
|